PGN Chess Game 144th MGU open (BUL)

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[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.1"]
[White "Metev, Martin"]
[Black "Simov, Zahari"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "2052"]
[BlackElo "1694"]
[PlyCount "21"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C61: Ruy Lopez: Bird's Defence} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5.
O-O c6 6. Bc4 d6 7. Re1 (7. c3 dxc3 8. Nxc3 Nf6 9. Qb3 Qc7 10. d4 b5 11. Bd3
Rb8 12. Bg5 b4 13. Ne2 Be7 14. Rac1 O-O 15. Qc2 Bb7 16. e5 dxe5 17. Bxf6 Bxf6
18. Bxh7+ Kh8 19. Qf5 Bc8 20. Qh5 Bg4 21. Qxg4 Kxh7 {
Schneider,L (2410)-Semakoff,A (2260) Gausdal 1981 1-0 (34)}) 7... Qf6 $146 (
7... Ne7 8. Qf3 Be6 9. Bxe6 fxe6 10. Qb3 Qd7 11. f4 g6 12. f5 gxf5 13. exf5 e5
14. Rf1 Nd5 15. c4 Nf4 16. Qf3 Qxf5 17. Re1 Rg8 18. Kh1 O-O-O 19. g3 Qd3 20.
Qf2 Ng6 21. Nc3 dxc3 22. dxc3 {
Cloutier,M (2042)-Verdejo,J (1900) Montreal 2013 0-1 (46)}) (7... Be7 8. Qf3
Nh6 9. d3 Bg5 10. Bxg5 Qxg5 11. h3 O-O 12. c3 b5 13. Bb3 Qe5 14. Rc1 Be6 15.
Bxe6 fxe6 16. Qe2 Nf5 17. a4 dxc3 18. Rxc3 Nd4 19. Qd2 b4 20. Rxc6 Nxc6 21. Qc2
Nd4 22. Qd1 {Amor Aguilera,B-Garcia Trapiello,R Asturias 2000 0-1}) (7... Be6
8. d3 g6 9. Bxe6 fxe6 10. e5 Bg7 11. exd6 Qxd6 12. Qg4 Kf7 13. Nd2 Nf6 14. Qe2
Rhe8 15. Nc4 Qd5 16. Ne5+ Kg8 17. Bf4 Nh5 18. Bd2 Re7 19. Bg5 Ree8 20. Qe4 Nf6
21. Qh4 Rf8 22. Bh6 {Ryvova,A (2057)-Ramirez,M (1940) Turin 2006 1/2}) (7...
Be7 8. d3 $14) 8. c3 $16 Be6 (8... Be7 9. d3 $16) 9. Qb3 (9. Bxe6 fxe6 10. cxd4
Qxd4 $16) 9... b5 (9... O-O-O $5 10. Bxe6+ Qxe6 11. cxd4 Qxb3 12. axb3 d5 $16)
10. Bxe6 fxe6 (10... Qxe6 11. cxd4 Nf6 12. Nc3 $16) 11. e5 (11. e5 dxe5 12.
cxd4 $16) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.2"]
[White "Kosturkov, Hristo"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1662"]
[BlackElo "2044"]
[PlyCount "22"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B20: Sicilian: Unusual White 2nd moves} 1. c4 e5 2. e4 c5 3. a3 $146 (3. f4
Bd6 (3... exf4 4. Nf3 Nc6 5. d4 cxd4 6. Bxf4 Bb4+ 7. Nbd2 Nf6 8. Bd3 Nh5 9. Bg5
f6 10. Nh4 O-O 11. Qxh5 Ne5 12. Qe2 fxg5 13. Nf5 Qa5 14. Rd1 d5 15. O-O Nxd3
16. Qxd3 dxe4 17. Nh6+ gxh6 18. Rxf8+ {Alekhine,A-Kalinsh,A Riga 1935 0-1}) 4.
Nc3 Nc6 5. Nf3 exf4 6. d3 Nge7 7. Be2 Ng6 8. O-O O-O 9. Nd5 Nce7 10. b3 Nxd5
11. exd5 a5 12. Bb2 Nh4 13. d4 Nf5 14. Qd3 Ne3 15. Rfe1 Ra6 16. dxc5 Bxc5 17.
Bd4 Bxd4 {Cochrane,J-Staunton,H London 1842 0-1}) (3. Be2 d6 4. d3 Nc6 5. Nc3
Nge7 6. Be3 f5 7. Bg5 Be6 8. h4 Qd7 9. Nd5 O-O-O 10. Nf3 h6 11. Bd2 Rg8 12. g3
Kb8 13. a3 Nd4 14. Nxd4 cxd4 15. Nxe7 Bxe7 16. Bf3 Rgf8 17. Qe2 Qa4 {
Hoen,L-Haag,W (2305) Boeblingen 1996 0-1 (35)}) (3. a4 a5 4. g4 g5 5. d3 d6 6.
f3 f6 7. b3 b6 8. h3 h6 9. Ke2 Ke7 {1/2 (9) Ammerlaan,R-Goverde,R Hengelo 1998}
) (3. Ne2 d6 4. Ng3 Nc6 5. Nc3 Nge7 6. Be2 Nd4 7. Nd5 Nxd5 8. cxd5 Qh4 9. d3
Be7 10. O-O O-O 11. f4 f5 12. fxe5 dxe5 13. exf5 Bxf5 14. Nxf5 Nxf5 15. Bg4 g6
16. Bd2 h5 17. Bxf5 gxf5 {Staunton,H-Cochrane,J London 1842 1-0}) 3... a5 4.
Nc3 Nc6 5. d3 d6 6. Nf3 Nge7 (6... Bd7 7. Be2 $11) 7. Bg5 (7. Be2 h6 $14) 7...
f6 8. Bh4 (8. Be3 g6 $11) 8... Ng6 (8... g5 9. Bg3 $11) 9. Bg3 f5 10. exf5 Bxf5
11. Be2 Be7 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.3"]
[White "Hristov, Hristo Mitov"]
[Black "Georgiev, Nikolay"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2035"]
[BlackElo "1563"]
[PlyCount "59"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C47: Scotch Four Knights and Four Knights with 4 g3} 1. e4 e5 2. Nf3 Nc6 3.
Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+ 9. Qe2 Nxd5
10. Qxe7+ Kxe7 11. Bd2 Nxc3 12. bxc3 Bd6 13. Be4 $146 (13. O-O Be6 14. c4 (14.
Rfe1 Kd7 15. c4 g6 16. Rad1 Rhe8 17. Be3 c5 18. Rb1 Reb8 19. Rb5 Rxb5 20. cxb5
c6 21. a4 cxb5 22. axb5 Rc8 23. Be4 Ke7 24. Ra1 Rc7 25. Ra6 {
1/2 (25) Gola,K (2212)-Kastelik,A (1942) Rewal 2010}) (14. a4 a5 15. c4 Rhb8
16. Bc3 g6 17. Rfb1 Rxb1+ 18. Rxb1 Bd7 19. Be4 Ra6 20. h4 c5 21. Ra1 Be6 22.
Bb7 Ra7 23. Bd5 Bf5 24. Re1+ Kf8 25. Bf6 Ra6 26. Bg5 Kg7 27. Bd2 Bxc2 28. Re8
Bf8 {Lagvilava,G (2299)-Genova,L (2162) Warsaw 2001 1-0 (36)}) 14... c5 15. f4
g6 16. Bc3 Rhg8 17. f5 gxf5 18. Bxf5 Bxc4 19. Rfe1+ Kf8 20. Bxh7 Rg4 21. Be4
Re8 22. Bf3 Rxe1+ 23. Rxe1 Rg6 24. a4 Be6 25. a5 Rh6 26. g3 c4 27. Bd4 Bb4 {
Polyanskiy,V-Glukhov,M Novokuznetsk 2014 1/2 (61)}) (13. Rb1) 13... Bd7 14. O-O
Rab8 15. Rfe1 Kd8 (15... Kf6 16. h4 h6 17. Rad1 $11) 16. Be3 a5 17. Bd4 f6 18.
c4 c5 19. Bc3 a4 20. g3 h5 21. h4 Re8 (21... Be6 $5 $11) 22. Bg6 $16 Rxe1+ 23.
Rxe1 (23. Bxe1 $143 Be5 24. c3 Be6 $15) 23... a3 24. Bxh5 Rb2 $4 (24... Be5
$142 25. Re3 Bxc3 26. Rxc3 Rb2 27. Rxa3 Rxc2 28. Ra8+ Ke7 $14) 25. Bxb2 $18
axb2 26. f4 Bf5 (26... g5 27. hxg5 fxg5 28. Rb1 $18) 27. Rb1 Bxc2 $2 (27... g5
$18) 28. Rxb2 Bd3 29. Be2 Be4 30. h5 (30. h5 Bc6 31. Kf2 $18) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.4"]
[White "Stathopoulos, Fotios"]
[Black "Stamenov, Valeriy"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1499"]
[BlackElo "1942"]
[PlyCount "62"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 1. e4 e5 2. Nf3
Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 O-O 6. O-O d6 7. h3 Na5 8. Bb3 Nxb3 9. axb3 h6
10. Bd2 (10. d4 exd4 11. Nxd4 Re8 12. Re1 Bf8 13. f4 b6 14. Qd3 Bb7 15. Bd2 a6
16. Nf5 g6 17. Ng3 Bg7 18. Rad1 Nd7 19. b4 a5 20. bxa5 Nc5 21. Qf1 bxa5 22. Kh2
h5 23. Qc4 h4 24. Nh1 Ba6 {
Hagesaether,P (2155)-Dervishi,E (2310) Halle 1995 1-0 (51)}) 10... c5 $146 (
10... Be6 11. Ne2 Nh7 12. d4 (12. Ng3 f5 13. exf5 Bxf5 14. Nh2 Bg5 15. f4 exf4
16. Bxf4 Bd7 17. Bxg5 Nxg5 18. Nf3 Bc6 19. Nd4 Bd7 20. Rxf8+ Qxf8 21. Qf1 a6
22. Qxf8+ Rxf8 23. Re1 Re8 {
1/2 (23) Sperling,R (1518)-Jarvers,H (1470) Germany 2009}) 12... exd4 13. Nfxd4
Bd7 14. Ng3 Bf6 15. Bc3 Re8 16. Qd3 a6 17. Rfe1 Be5 18. Ndf5 Bxf5 19. exf5 Bxc3
20. Rxe8+ Qxe8 21. bxc3 Qd7 22. Nh5 f6 23. Qf3 c6 24. Rd1 Re8 {
1/2 (24) Miljkovic,M (2188)-Barisic,P (1923) Gorazde 2009}) 11. Nb5 a6 12. Ba5
(12. Na3 $5 $11) 12... b6 $15 13. Bd2 Bxh3 14. gxh3 axb5 15. Rb1 $2 (15. Rxa8
$142 $5 Qxa8 16. Nh4 $15) 15... Nh7 16. Kh2 f5 17. Rg1 f4 18. Rg2 Kh8 19. Qg1
Rg8 20. c3 (20. b4 Qd7 $17) 20... g5 21. Rd1 (21. Ra1 Nf6 $19) 21... Bf6 (21...
Qe8 22. Ne1 $19) 22. c4 (22. b4 $5 h5 23. Ne1 Qd7 $19) 22... b4 $19 23. Bc1 (
23. Qh1 h5 24. Kg1 Ra2 $19) 23... Qe7 (23... Qd7 24. Nd2 $19) 24. Nd2 Nf8 25.
f3 (25. Nf3 Ne6 $19) 25... Ne6 26. Kh1 Nd4 27. Qh2 Rg7 28. Rdg1 Kg8 29. h4 Rh7
30. Qh3 Qe6 (30... Kh8 31. h5 $19) 31. Qh2 (31. Qxe6+ Nxe6 32. h5 Nd4 $19)
31... Raa7 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.5"]
[White "Andreev, Dobrotich"]
[Black "Kamenov, Filip"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1928"]
[PlyCount "51"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C68: Ruy Lopez: Exchange Variation, sidelines} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Bxc6 dxc6 5. Nc3 Qf6 6. d4 Bg4 $146 (6... exd4 7. Bg5 (7. Qxd4 Bg4 8. Qxf6
Nxf6 9. Ne5 Be6 10. Nd3 O-O-O 11. Bg5 Be7 12. e5 Nd5 13. Bxe7 Nxe7 14. O-O-O {
1/2 (14) Shtyrenkov,V (2393)-Kovalev,A (2518) Alushta 2010}) (7. Nxd4 Bd7 8.
Be3 O-O-O 9. Qe2 Bb4 10. O-O Nh6 11. Nb3 Rhe8 12. Nc5 Bxc5 13. Bxc5 Qe5 14. Be3
Ng4 15. f4 Qe7 16. Rae1 f5 17. e5 Be6 18. h3 Nxe3 19. Qxe3 Qb4 20. b3 Qd4 21.
Kf2 c5 {Corrales Jimenez,F (2577)-Nemcova,K (2282) Wheeling 2014 1-0 (39)})
7... Qg6 8. Qxd4 Be7 (8... Bd6 9. O-O-O Be6 10. h4 h5 11. Rhe1 Ne7 12. Ne5 Qh7
13. Nc4 Bxc4 14. Qxc4 f6 15. e5 fxe5 16. Qe6 g6 17. Ne4 Rf8 18. Nxd6+ cxd6 19.
Rxd6 Rf7 20. Rd7 Kf8 21. Qd6 Re8 22. Rxe5 Qg7 23. Rxb7 {
Van de Oudeweetering,A (2304)-De Groote,J (2131) Netherlands 2013 1-0}) 9. Bxe7
Nxe7 10. O-O-O Be6 11. Qe3 O-O 12. Kb1 Rae8 13. h4 Qh5 14. Ng5 Bc8 15. Qf4 f6
16. Nf3 Qa5 17. h5 b5 18. h6 g6 19. Rhe1 Be6 20. Nd4 Bc4 21. Nb3 {
Wendel,W-Olson,A Stockholm 1920 1-0 (35)}) (6... exd4 $5 7. Qxd4 Qxd4 8. Nxd4
Bd6 $11) 7. dxe5 $16 Bxf3 8. exf6 (8. gxf3 $143 Qxe5 9. f4 Qe7 $11) (8. Qxf3 $6
Qxe5 9. Bf4 Qe6 10. Bxc7 Rc8 $16) 8... Bxd1 9. fxg7 Bxg7 10. Nxd1 O-O-O 11. Ne3
Ne7 12. c3 Rd6 13. Bd2 Rhd8 14. O-O-O Bh6 15. Nc4 Re6 (15... Bxd2+ 16. Nxd2 Ng6
17. Nc4 Rxd1+ 18. Rxd1 $16) 16. Bxh6 Rxd1+ 17. Kxd1 Rxh6 18. Ke2 Re6 19. f3 f5
20. Nd2 Nd5 21. g3 Nf6 22. Ke3 Rd6 $2 (22... fxe4 $142 23. Nxe4 Kd7 $16) 23.
exf5 $18 Nd5+ 24. Ke2 Ne7 25. Nc4 (25. Ne4 Rd8 26. g4 Nd5 $18) 25... Rd8 26. g4
1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.6"]
[White "Ezekiev, Ognyan"]
[Black "Georgiev, Dimitar"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1818"]
[PlyCount "46"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{A00: Irregular Openings} 1. e3 e5 2. f3 d5 3. c3 Bd6 $146 (3... c5 4. d3 Nf6
5. Na3 Bd7 6. b3 Bd6 7. f4 exf4 8. exf4 O-O 9. g3 Re8+ 10. Kf2 Nc6 11. Be3 Ng4+
12. Ke2 Nxe3 13. Qc1 Nc2+ 14. Kd2 Nxa1 15. Qxa1 c4 16. dxc4 Bxa3 17. b4 dxc4
18. Be2 {Sidavong,D-Chin,Y Taipa 2014 0-1}) 4. d3 Nc6 5. c4 Nf6 6. e4 (6. cxd5
Nxd5 7. Nc3 Bc5 8. Nxd5 Qxd5 $17) 6... dxc4 (6... dxe4 7. Nc3 $19) 7. dxc4 (7.
Be3 $142 $5 $17) 7... Nxe4 $1 $19 8. fxe4 Qh4+ 9. Ke2 (9. Kd2 Bb4+ (9... Qxe4
$6 10. Nc3 Qg6 11. Bd3 $19) 10. Nc3 Bg4 $19) 9... Qxe4+ (9... Bc5 10. Qe1 Qxe4+
11. Kd1 Bg4+ 12. Nf3 $19) 10. Be3 Bg4+ 11. Nf3 Qg6 (11... Bc5 12. Qd3 Nd4+ 13.
Kd2 Bxf3 14. Bxd4 Qxd4 15. Qxd4 Bxd4 16. Nc3 $19) 12. Ke1 $2 (12. h3 Bf5 13.
Nc3 $11) 12... e4 $19 13. c5 Be5 $4 (13... Be7 14. Nc3 Rd8 15. Qb1 exf3 16.
Qxg6 hxg6 17. Kf2 fxg2 18. Bxg2 $19) 14. Nbd2 $4 (14. Nxe5 $142 Nxe5 15. Qd4
$14) 14... exf3 $19 15. gxf3 Bd7 16. Rg1 Qe6 (16... Qh5 17. Qe2 O-O-O 18. f4
Qxe2+ 19. Bxe2 Bxb2 20. Rd1 $19) 17. Bc4 Qe7 18. Qb3 $4 (18. Qe2 $142 $19)
18... Nd4 (18... Bxb2 19. Bxf7+ Kf8 20. Kf2 Qh4+ 21. Kg2 $19) 19. Qd3 (19. Qxb7
O-O 20. Qe4 Bf5 21. Bxd4 Bxe4 22. Bxe5 Qxe5 23. fxe4 Rad8 $19) 19... Bf5 20.
Bg5 (20. Ne4 Nxf3+ 21. Ke2 Nxg1+ 22. Rxg1 Bxh2 23. Rf1 $19) 20... f6 21. Ne4
Nxf3+ 22. Qxf3 Bxe4 23. Qe2 O-O-O (23... O-O-O 24. Be3 Rhe8 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.7"]
[White "Kostov, Nikolay"]
[Black "Ferdov, Stavri"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1763"]
[PlyCount "24"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{A40: Unusual replies to 1 d4} 1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. Nf3 b6 5. g3 Bb7
6. Bg2 d6 7. O-O Ne7 8. e4 O-O 9. Be3 Nd7 10. Qd2 $146 Re8 11. h4 (11. Bh6 e5
$14) 11... c5 (11... d5 $5 $11) 12. Rad1 Nf6 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "1.8"]
[White "Ivanov, Nayden"]
[Black "Mladenov, Andrey"]
[Result "1-0"]
[ECO "B30"]
[BlackElo "1707"]
[PlyCount "61"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 1. e4 c5 2. Nf3 Nc6 3. Nc3
e5 4. Bc4 Be7 5. O-O Nf6 6. d3 d6 7. Bg5 O-O 8. Bxf6 Bxf6 9. Nd5 Bg4 (9... Bg5
10. c3 Bh6 11. a3 a6 12. b4 b5 13. Bb3 Be6 14. h3 Kh8 15. Ne3 Bxe3 16. fxe3 c4
17. dxc4 bxc4 18. Ba2 Na7 19. a4 f6 20. Qe2 Qc7 21. Rfd1 Qc6 22. Bb1 a5 23. Bc2
Nc8 24. Rab1 {Balogh,C (2537)-Timofeev,A (2661) Gothenburg 2005 1/2 (94)}) (
9... g6 10. Nxf6+ Qxf6 11. h3 Be6 12. Nh2 h5 13. Qd2 Rad8 14. Bxe6 fxe6 {
1/2 (14) Meribanov,V (2380)-Fedorov,A (2569) Minsk 2014}) 10. h3 Bh5 11. a3
$146 (11. c3 Rb8 (11... Kh8 12. a3 a6 13. b4 b5 14. Bb3 Bg5 15. a4 bxa4 16.
Bxa4 Ne7 17. bxc5 Nxd5 18. exd5 f5 {
0-1 (18) Meribanov,V (2331)-Iljin,T (2482) Alushta 2012}) 12. a3 b5 13. Ba2 Bg5
14. b4 Kh8 15. g4 Bg6 {0-1 (15) Balogh,C (2513)-Zhigalko,S (2478) Warsaw 2004})
(11. Qe2 Nd4 12. Qd1 Nxf3+ 13. gxf3 Rc8 14. Kh1 Re8 15. Rg1 Bh4 16. Rg2 Qd7 17.
Kh2 Bg6 18. Qg1 Kh8 19. a4 Rg8 20. Bb5 Qd8 21. Rg4 Be7 22. Re1 a6 23. Bc4 Bh5
24. Rg3 Bh4 25. Rg2 Bxf3 {
Nguyen T Cam,L-Nguyen Thi Anh,M Ho Chi Minh City 2005 1-0 (58)}) 11... Nd4 12.
c3 (12. g4 $142 Bg6 13. Nxd4 cxd4 14. f4 exf4 15. Nxf4 $14) 12... Nxf3+ $17 13.
gxf3 Bh4 14. Qe2 Qg5+ (14... Kh8 $5 15. Qe3 f5 $17) 15. Kh2 $11 Kh8 16. Rg1 Qd8
17. Qe3 f5 18. f4 fxe4 19. dxe4 (19. Qxe4 b5 20. Bb3 Bxf2 $15) 19... exf4 $17
20. Qd2 Rb8 21. Be2 Bg6 (21... f3 $142 $5 22. Bd3 Qe8 $17) 22. Bf3 $15 Qe8 23.
Rg4 {The pressure on f4 grows} (23. Rae1 $5 $15) 23... Bh5 $17 24. Rxh4 (24.
Rag1 Bxg4 25. Rxg4 Qh5 $17) 24... Bxf3 25. Rg1 (25. Rxf4 $142 Qe5 26. Qe3 $17)
25... g5 $4 (25... Qe5 $142 26. c4 b5 27. cxb5 Bxe4 $17) 26. Rxg5 $14 Qd8 $4 (
26... Bxe4 $142 27. c4 Bf5 $14) 27. Rxf4 $18 Rxf4 28. Qxf4 Bd1 (28... Bxe4 29.
Nf6 Bc2 30. Rg8+ Qxg8 31. Nxg8 Kxg8 32. Qxd6 Rf8 33. Qxc5 a6 $18) 29. c4 Qf8
30. Qd2 Bb3 (30... Qf3 31. Nc3 Rf8 32. Nxd1 Qf4+ 33. Qxf4 Rxf4 $18) 31. Qc3+ (
31. Qc3+ Qg7 32. Qxg7#) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.1"]
[White "Georgiev, Dimitar"]
[Black "Metev, Martin"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1818"]
[BlackElo "2052"]
[PlyCount "14"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} 1. d4 e6 2. e4 d5 3. Nc3
Bb4 4. e5 c5 5. a3 Ba5 6. Nf3 Ne7 7. Be3 $146 (7. Bd2 cxd4 8. Nxd4 Nbc6 9. Bb5
O-O 10. Nxc6 bxc6 11. Bd3 Qc7 12. f4 a6 13. O-O Ng6 14. Rb1 Bb6+ 15. Kh1 c5 16.
Qh5 c4 17. Be2 Qe7 18. Rf3 Qh4 19. Rh3 Qxh5 20. Bxh5 Rb8 21. Ne2 Bd7 {
Ratolistka,J-Cucka,J Chocen 1950 1/2 (41)}) (7. dxc5 Bxc3+ 8. bxc3 Qc7 (8...
Nd7 9. Bb5 O-O 10. Bxd7 Bxd7 11. Be3 Bb5 12. Nd4 Ba6 13. Ne2 Nc6 14. Bd4 Qc7
15. f4 f6 16. exf6 Nxd4 17. cxd4 Bxe2 18. Qxe2 Rxf6 19. O-O b6 20. cxb6 Qxb6
21. c3 Rc8 22. Qe3 h6 23. g3 {Guimond,M-Sambuev,B (2517) Gatineau 2011 1-0 (35)
}) 9. Bd3 Nd7 10. O-O Nxe5 11. Nxe5 Qxe5 12. Qf3 Bd7 13. Bf4 Qf6 14. Qg3 Nf5
15. Bxf5 Qxf5 16. Qxg7 O-O-O 17. Bg3 Rhg8 18. Qd4 Rg4 19. Qd2 Bc6 20. f3 Rc4
21. Rab1 e5 {Wohl,A (2448)-Testor,S (2192) Bayern 2005 1-0 (56)}) (7. Bb5+ Bd7
8. O-O cxd4 9. Nxd4 Nbc6 10. Nf3 Bxc3 11. Bxc6 Bxc6 12. bxc3 Bb5 13. Re1 Rc8
14. Nd4 Ba6 15. Bd2 Ng6 16. Qg4 Qh4 17. Qf3 O-O 18. g3 Qh3 19. Qg2 Qxg2+ 20.
Kxg2 Rc7 21. g4 Ne7 {Ivekovic,A (1888)-Sargac,R (2220) Valpovo 2009 0-1 (41)})
(7. dxc5 Bxc3+ 8. bxc3 Nd7 $11) 7... Nf5 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.2"]
[White "Gelemerov, Yane"]
[Black "Andreev, Dobrotich"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2044"]
[BlackElo "1928"]
[PlyCount "83"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B11: Caro-Kann: Two Knights Variation} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3
Bxf3 5. Qxf3 Nf6 6. d3 e6 7. a3 Nbd7 8. g3 Bc5 9. Bg2 a5 10. O-O O-O 11. a4
$146 (11. Qe2 Bd4 (11... dxe4 12. dxe4 e5 13. Kh2 Re8 14. Nb1 Ba7 15. Nd2 Nc5
16. a4 Ne6 17. Nc4 Qc7 18. Bd2 Bc5 19. Nxa5 Rxa5 20. b4 Bxb4 21. Bxb4 Raa8 22.
Rfd1 Red8 23. a5 Rxd1 24. Rxd1 Rd8 25. Rxd8+ Qxd8 26. Bc3 {
Areshchenko,A (2671)-Postny,E (2592) Chennai 2011 1/2 (38)}) (11... Qc7 12. Kh1
Rfe8 13. f4 dxe4 14. dxe4 e5 15. f5 h6 16. g4 Nh7 17. Bd2 Be7 18. Be1 b5 19. a4
b4 20. Nd1 Bg5 21. Bg3 Nb6 22. b3 Rad8 23. Ne3 Bf4 24. Bf2 Nf6 25. Rad1 Rxd1
26. Rxd1 {Sandalakis,N (1971)-Pogan,N (2313) Heraklion 2014 0-1 (50)}) 12. Nd1
dxe4 13. dxe4 Qc7 14. Kh2 e5 15. h4 Rfe8 16. a4 Nf8 17. Ne3 Ne6 18. Nf5 Bc5 19.
c3 Bf8 20. Qf3 Nd7 21. h5 Ndc5 22. Be3 Rad8 23. Qg4 Kh8 24. Bf3 Nb3 25. Rae1
Nd2 {Lamoureux,C (2379)-Simeonidis,I (2261) Antalya 2006 1/2 (46)}) (11. Qd1
dxe4 12. d4 Ba7 13. Be3 Nd5 14. Nxe4 Nxe3 15. fxe3 f5 16. Nc3 Qg5 17. Qf3 e5
18. h4 Qf6 19. d5 e4 20. Nxe4 fxe4 21. Qxe4 Qe5 22. dxc6 Qxe4 23. Bxe4 bxc6 24.
Bxc6 Rad8 25. Bd5+ Kh8 {
Maksimov,O (2380)-Riazantsev,A (2594) Moscow 2006 0-1 (44)}) (11. exd5 exd5 12.
Re1 Qc7 $11) 11... Ne8 (11... Re8 12. Qd1 Qb6 13. Rb1 $15) 12. Kh2 (12. Qd1 Qb6
$11) 12... Nc7 13. Qe2 (13. Qd1 d4 14. Ne2 e5 $11) 13... Re8 14. f4 {
White prepares the advance e5} f5 15. Bd2 Nf6 16. Rae1 Qb8 17. e5 Nd7 18. g4 g6
19. Nd1 Be7 (19... d4 20. Nf2 $11) 20. Rg1 (20. d4 Qa7 21. Qf2 Qb6 $11) 20...
Nf8 (20... d4 21. Bf3 $11) 21. Ref1 Qa7 22. Be1 (22. Ne3 Kh8 $14) 22... b5 (
22... Bc5 $5 23. Rh1 d4 $11) 23. axb5 $14 cxb5 (23... Bc5 $5 24. bxc6 Bxg1+ 25.
Rxg1 fxg4 26. hxg4 Qb6 $16) 24. gxf5 $16 exf5 25. Ne3 Rad8 $2 (25... Bc5 $142
26. Bf2 Bxe3 27. Bxe3 Qa6 $16) 26. Nxf5 $1 $18 Bc5 (26... gxf5 27. Bxd5+ {
Mate attack Clearance Deflection Pinning}) (26... -- $140 27. Nxe7+ {Threat}
Rxe7 (27... Kf7 28. Nc6 {Combination}) (27... Kg7 28. Nc6 {Combination}) (27...
Kh8 28. Nc6 {Combination}) 28. Bh4 {Combination}) 27. Bf2 (27. d4 $5 Bxd4 28.
Nxd4 Qxd4 29. Bxa5 Rd7 30. Bxc7 Rxc7 31. Qxb5 Rd8 $18) 27... Nfe6 28. Bxc5 Qxc5
29. Nh6+ Kg7 30. Ng4 Nd4 (30... Kh8 31. f5 gxf5 32. Rxf5 $18) 31. Qf2 Nce6 32.
Nf6 Rf8 (32... Qxc2 33. Nxe8+ Rxe8 34. Bxd5 Qxf2+ 35. Rxf2 $18) 33. c3 (33. Qh4
$142 $5 h6 34. Qg4 Rxf6 (34... Qxc2 $4 35. f5 Nxf5 36. Rxf5 $18) 35. exf6+ Kxf6
$18) 33... Nf5 34. d4 Qc4 (34... Qc6 35. Ra1 a4 36. Bf1 $18) 35. Ra1 a4 $2 (
35... b4 36. Qd2 Rxf6 37. exf6+ Kxf6 38. Rxa5 $18) 36. Bf1 Qc6 (36... Qc7 37.
Bd3 Rxf6 38. exf6+ Kxf6 39. Bxf5 Kxf5 $18) 37. Bd3 Ne7 (37... Nexd4 38. cxd4
Qe6 $18) 38. Qh4 h6 (38... Rh8 39. Nh5+ Kf7 40. Qf6+ Ke8 41. Qxh8+ Kd7 42. Nf6+
Kc8 43. Qxh7 Qb7 44. Bxg6 Nxg6 45. Qxg6 Rh8 $18) 39. Bxg6 $1 Nxg6 (39... Nxg6
40. f5 {Passed pawn Decoy Double attack}) (39... -- $140 40. Be8+ {Mate threat}
) 40. Rxg6+ $1 Kxg6 41. Qh5+ Kg7 42. Rg1+ (42. Rg1+ Ng5 43. Rxg5+ hxg5 44. Qh7#
) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.3"]
[White "Ferdov, Stavri"]
[Black "Hristov, Hristo Mitov"]
[Result "0-1"]
[ECO "A42"]
[BlackElo "2035"]
[PlyCount "68"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B06: Modern Defence} 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Nge2 e5 6. d5
Nce7 7. g3 f5 8. Bg2 Nf6 9. O-O O-O 10. Bg5 $146 (10. f3 c5 (10... h6 11. Bd2
Kh7 12. Qc2 Bd7 13. Rae1 Rc8 14. exf5 Bxf5 15. Qb3 c6 16. Ne4 cxd5 17. Nxf6+
Bxf6 18. cxd5 b6 19. Rc1 Rf7 20. g4 Bd7 21. Rxc8 Bxc8 22. Rd1 Ng8 23. Nc3 Be7
24. Be3 Nf6 25. h3 {Kock,H (2155)-Kummer,H (1868) Latschach 2009 1-0 (82)}) 11.
Bd2 h5 12. f4 Nxe4 13. Nxe4 fxe4 14. Bxe4 Bg4 15. Qe1 Qd7 16. fxe5 Rxf1+ 17.
Qxf1 Rf8 18. Qe1 Bxe5 19. Bc3 Bxc3 20. Nxc3 Nf5 21. Qd2 {
1/2 (21) Bilek,I-Uhlmann,W Szombathely 1966}) (10. h3 Kh8 11. Kh2 fxe4 12. Bg5
h6 13. Bxf6 Rxf6 14. Nxe4 Rf7 15. g4 b6 16. Rc1 Ng8 17. N2g3 Qh4 18. Kg1 a5 19.
b3 Bd7 20. a3 Nf6 21. Nd2 Bxg4 22. Qc2 Bh5 23. Rce1 Raf8 24. Re3 Nh7 {
Benitah,Y (2350)-Lupu,M (2485) Bourbon Lancy 1997 0-1}) (10. f4 Nxe4 11. Nxe4
fxe4 12. Bxe4 Bg4 13. Qd3 Qd7 14. Nc3 Nf5 15. fxe5 Bxe5 16. Bf4 Bh3 17. Bg2
Bxg2 18. Kxg2 Nh4+ 19. gxh4 Bxf4 20. Qh3 Qxh3+ 21. Kxh3 Be5 22. Ne4 h6 23. Kg2
b6 24. Rxf8+ Rxf8 {Voulon,O (1983)-Tochtenhagen,W (2067) Germany 2012 0-1 (42)}
) 10... h6 11. Bd2 g5 (11... c6 12. Qb3 $11) 12. exf5 (12. Qb3 a5 $14) 12...
Bxf5 $11 13. Qb3 b6 14. Rfe1 Qd7 15. Qb5 Qd8 16. f4 (16. Qa6 $142 $11) 16...
gxf4 $17 17. gxf4 Ng6 18. fxe5 (18. Qb3 Nh5 19. Rf1 Ngxf4 20. Nxf4 Nxf4 21.
Bxf4 exf4 $17) 18... Nxe5 (18... Ng4 $142 19. Rf1 Qh4 $19) 19. Ng3 $4 (19. Nd4
Nfg4 20. Nxf5 Rxf5 $19) 19... Bd3 (19... Bd7 $142 20. Qb3 Nfg4 $19) 20. Bf1 $4
(20. Rxe5 $142 dxe5 21. Qc6 $17) 20... Nf3+ (20... Nfg4 $142 21. Bxd3 Nxd3 22.
Re2 Bd4+ 23. Kg2 $19) 21. Kg2 Nxe1+ 22. Rxe1 Bxf1+ (22... Ng4 23. Kh3 Nf2+ 24.
Kg2 Qf6 $19) 23. Rxf1 a6 (23... Ng4 24. Rxf8+ Qxf8 25. Nce4 $19) 24. Qb3 $2 (
24. Qc6 $19) 24... Ng4 25. Nf5 $4 (25. Rxf8+ Qxf8 (25... Bxf8 $6 26. Nce4 $19)
26. Nce4 Qf7 $19) 25... Qd7 (25... Nxh2 $142 26. Rf2 Ng4 $19) 26. Qc2 Rae8 27.
Qd3 (27. h3 Ne5 28. Ne2 Nxc4 $19) 27... Re5 (27... Rf6 28. Nxh6+ Rxh6 29. Bxh6
Bxh6 30. Qg6+ Bg7 31. Rf4 $19) 28. Ng3 Rxf1 29. Qxf1 Ne3+ 30. Bxe3 Rxe3 31.
Nce4 (31. Qf4 Re7 $19) 31... Qf7 32. Qc1 (32. Qf2 Qxf2+ 33. Kxf2 $19) 32...
Qf3+ 33. Kg1 (33. Kh3 Rxe4 34. Qc2 Qg4+ 35. Kg2 Rxc4 36. Qd3 $19) 33... Rxe4
34. Nxe4 (34. h3 Qxg3+ 35. Kf1 Bd4 36. Qe3 Rxe3 37. a3 Re1#) 34... Bd4+ (34...
Bd4+ 35. Qe3 Bxe3+ 36. Nf2 Qxf2+ 37. Kh1 Qf1#) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.4"]
[White "Stamenov, Valeriy"]
[Black "Ivanov, Nayden"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1942"]
[PlyCount "67"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4
exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Be7 11.
Bxe7 Nxe7 12. Nxd4 Qxd1 13. Raxd1 O-O-O 14. Nxe6 Rxd1 15. Rxd1 fxe6 16. Ng5 e5
$146 (16... Nf5 17. Nxe6 (17. g4 Nd6 18. Re1 h6 19. Nxe6 Kd7 20. h3 g6 21. b3
b6 22. Nf4 Rg8 23. Nd5 Rg7 24. c4 Rf7 25. Kg2 c6 26. Nc3 Nb7 27. Kg3 Nc5 28.
Re3 Ne6 29. Rf3 Rg7 30. Ne4 Ke7 31. Rd3 Rf7 {
Pettersson,T (2035)-Kowalska,S (1878) Gorzow Wielkopolski 2007 1-0 (45)}) 17...
Re8 18. Nf4 Nd4 19. g3 (19. Nh5 Rd8 20. Kf1 Ne6 21. Rxd8+ Kxd8 22. Ke2 Ke7 23.
Ke3 c6 24. f4 g6 25. Ng3 Nc7 26. c4 a5 27. Ne4 Ne6 28. g4 Ng7 29. h3 h5 30. a4
hxg4 31. hxg4 b6 32. Ng5 Ne8 33. Nf3 Nd6 {
Pridal,O (2221)-Olsarova,K (2136) Czechia 2009 1-0 (36)}) (19. h4 Re4 20. Nd5
c6 21. Ne3 Rxh4 22. g3 Re4 23. Kg2 Kc7 24. Rh1 h6 25. Rh5 Kd7 {
1/2 (25) Hinrichs,L (2068)-Torzinski,N (1803) Greifswald 2013}) 19... Nxc2 20.
a3 Re1+ 21. Rxe1 Nxe1 22. Ne6 Nf3+ 23. Kg2 Ne5 24. b3 Nc6 25. Nxg7 Nd4 26. b4
Nc2 27. Nh5 Nxa3 28. Nf6 Nc2 29. Nxh7 Nxb4 30. Ng5 a5 31. Ne4 {
Grigorian,S (1762)-Huemmecke,A (1729) Arendsee 2009 1/2 (36)}) (16... Nc6 17.
Nxe6 g6 18. Kf1 Re8 19. Ng5 Re7 20. Nf3 b5 21. Rd5 a6 22. c3 Na5 23. b3 c6 24.
Re5 Rd7 25. Ke2 Kc7 26. h4 Nb7 27. h5 gxh5 28. Rxh5 Nd6 29. Ne5 Re7 30. Ke3 c5
31. f4 {Gambini,S (1999)-Renaux,O (1951) Pau 2008 1-0 (43)}) 17. Nf7 Rf8 18.
Nxe5 Rd8 19. Rxd8+ Kxd8 20. Kf1 Nd5 21. c3 Ke7 22. g3 Ke6 23. Nf3 h6 24. Ke2 c5
25. Ne1 Nf6 26. Kf3 Kf5 27. h3 h5 28. Nd3 b6 29. c4 g5 30. Ke3 Nd7 31. f3 Nf6 (
31... g4 32. hxg4+ hxg4 33. f4 $16) 32. Nf2 (32. g4+ hxg4 33. hxg4+ Ke6 $18)
32... Nd7 33. Ne4 Ne5 34. b3 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.5"]
[White "Georgiev, Nikolay"]
[Black "Kostov, Nikolay"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1563"]
[BlackElo "1763"]
[PlyCount "138"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4.
O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3
Be7 11. Bf4 (11. h3 Nh4 12. Nxh4 Bxh4 13. g4 b6 14. Kg2 Bb7 15. f3 Rd8 16. Bf4
Ke7 17. e6 Kxe6 18. Bxc7 Rxd1 19. Rxd1 Rc8 20. Bg3 Bxg3 21. Kxg3 f6 22. f4 Ke7
23. f5 Rd8 24. Rxd8 Kxd8 25. b4 Ke7 {
Korneev,O (2645)-Aleksandrov,A (2586) Khanty-Mansiysk 2013 1/2 (44)}) 11... Be6
(11... h6 12. h3 Nh4 13. Nxh4 Bxh4 14. Ne2 Bd7 15. a4 Rd8 16. c4 Be6 17. b3
Rxd1+ 18. Rxd1 Be7 19. Be3 a6 20. Nd4 Bc8 21. g4 h5 22. f3 hxg4 23. hxg4 Bc5
24. Kg2 Rh7 25. Bg5 Be7 26. Bf4 {
Nixdorf,A (1978)-Janzen,A (1939) Hofheim 2014 1/2 (76)}) 12. Nd4 $146 (12. h3
h5 13. Ne2 h4 14. b3 a5 15. a4 Bc5 16. c4 Ne7 17. Ned4 Ng6 18. Bg5 Rh5 19. Nxe6
fxe6 20. Re1 Be7 21. Bxe7 Nxe7 22. Rad1 c5 23. Re4 Nf5 24. Kf1 Rd8 25. Rxd8+
Kxd8 26. Kg1 Ke7 {Sipila,V (2304)-Huebner,R (2592) Finland 2012 1/2 (37)}) (12.
a3 Rd8 13. h3 h5 14. Ng5 Rd4 15. Nxe6 fxe6 16. Rxd4 Nxd4 17. Rd1 Nxc2 18. Ne2
g5 19. Bd2 Rf8 20. Rc1 Nxa3 21. bxa3 Bxa3 22. Rc2 Be7 23. f4 gxf4 24. Nxf4 Rf5
25. Nd3 Kd7 26. Bf4 c5 {Wandzik,W (2239)-Szuper,P (2192) Krakow 2011 1/2 (57)})
(12. Ng5 Bxg5 13. Bxg5 h6 14. Bf4 Ke7 15. Ne4 Rhd8 16. f3 Nd4 17. Rd2 Bf5 18.
Ng3 Bh7 19. c3 Ne6 20. Rxd8 Rxd8 21. Be3 Bd3 22. f4 g6 23. Kf2 h5 24. Kf3 Bf5
25. h3 h4 26. Nxf5+ gxf5 {
Magamedov,M-Karaklajic,N (2385) Bela Crkva 1989 0-1 (54)}) (12. h3 Rd8 $11)
12... Nxd4 13. Rxd4 h6 14. Ne4 a5 15. a4 b6 16. Rad1 Rd8 17. c4 (17. Rxd8+ $5
Bxd8 18. f3 $11) 17... Rxd4 $17 18. Rxd4 c5 19. Rd5 $2 (19. Rd2 $142 $15) 19...
Bxd5 $19 20. cxd5 Kd7 21. b3 (21. Bg3 Rb8 22. Nc3 c4 $19) 21... Re8 (21... c6
22. d6 Bd8 23. f3 $19) 22. f3 Bg5 23. Nxg5 $2 (23. Bg3 $142 $19) 23... hxg5 24.
Bg3 c6 25. d6 (25. e6+ fxe6 26. dxc6+ Kxc6 $19) 25... Ke6 (25... b5 $5 26. axb5
cxb5 27. Be1 Rxe5 28. Bxa5 $19) 26. Kf2 f6 27. exf6 gxf6 28. Ke2 b5 29. Kd3 Rd8
(29... c4+ $5 30. bxc4 bxa4 31. Be1 $19) 30. h3 Kd5 {Black prepares c4} 31. Bh2
Rd7 32. Bg3 Rb7 (32... Ke6 33. Kc2 $19) 33. Kc2 $2 (33. Be1 $19) 33... c4 34.
bxc4+ (34. f4 cxb3+ 35. Kxb3 b4 $19) 34... Kxc4 35. axb5 (35. Be1 b4 36. h4 $19
) 35... cxb5 36. h4 b4 37. f4 (37. hxg5 fxg5 38. Kb1 $19) 37... gxh4 38. Bxh4 (
38. Bf2 $19) 38... f5 39. Bf6 Kd5 (39... a4 40. g4 fxg4 $19) 40. Be5 (40. Be7
a4 41. Kb2 Rd7 $19) 40... Ke6 (40... a4 $142 41. Kb1 $19) 41. Kb3 Rd7 42. Ka4 (
42. Bd4 Rxd6 43. Bf2 Rd3+ 44. Kc2 Rc3+ 45. Kb1 a4 $19) 42... Rxd6 43. Kxa5 (43.
Bg7 $19) 43... b3 44. Ka4 Kd5 (44... Rb6 45. Ka3 Kd5 46. Kb2 $19) 45. Kb4 (45.
Kxb3 Rg6 46. Kc3 Ke4 $19) 45... Ke4 (45... Rb6+ 46. Ka5 b2 47. Kxb6 b1=Q+ 48.
Kc7 Qb4 49. Kd7 Qf8 50. Kc7 Qe7+ 51. Kb6 Qc5+ 52. Kb7 Qc6+ 53. Kb8 Qb6+ 54. Kc8
Kc6 55. g3 Qb7+ 56. Kd8 Qd7#) 46. Kc4 (46. Kxb3 Rg6 47. g3 Rxg3+ 48. Kc2 $19)
46... b2 47. Bxb2 (47. Bxd6 b1=Q 48. Ba3 Qa2+ 49. Kb4 Qxg2 50. Kb5 Qf1+ 51. Kb6
Qxf4 52. Kc6 Qh6+ 53. Kb5 Kd5 54. Kb4 Qe3 55. Bb2 Qc5+ 56. Kb3 Qc4+ 57. Ka3 Qc2
58. Ka2 Kc4 59. Ka1 Kb3 60. Bc1 Qxc1#) 47... Rd2 48. Be5 Rc2+ 49. Kb3 Rxg2 50.
Kc3 Rf2 51. Bb8 Rxf4 52. Kd2 Rf2+ 53. Ke1 Ra2 54. Kf1 (54. Bc7 f4 55. Bd6 $19)
54... Kf3 55. Kg1 f4 56. Be5 Rc2 57. Bd6 Kg3 (57... Rg2+ 58. Kh1 Kf2 59. Bc7 f3
60. Bh2 Rg5 61. Bf4 Rh5+ 62. Bh2 Ke2 63. Kg1 f2+ 64. Kg2 f1=Q+ 65. Kg3 Qf3#)
58. Kf1 $19 Kf3 59. Kg1 Rd2 60. Be5 Rd1+ (60... Ke3 61. Bf6 Rd1+ 62. Kh2 f3 63.
Bg5+ Ke2 64. Kg3 f2 65. Kf4 Rd5 66. Ke4 Rxg5 67. Kf4 Rc5 68. Kg4 f1=Q 69. Kh4
Qg1 70. Kh3 Rh5#) 61. Kh2 $19 Kg4 62. Kg2 f3+ 63. Kf2 Rd2+ 64. Kf1 Rg2 (64...
f2 65. Bc3 Rc2 66. Kg2 f1=N+ 67. Kxf1 Kf3 68. Ke1 Ke3 69. Bd4+ Kxd4 70. Kd1 Ra2
71. Kc1 Kd3 72. Kb1 Rc2 73. Ka1 Kc3 74. Kb1 Kb3 75. Ka1 Rc1#) 65. Bb8 Rc2 66.
Ba7 Kh3 67. Bf2 (67. Bb8 $19) 67... Rc1+ 68. Be1 Rxe1+ $1 69. Kxe1 (69. Kf2 Kg4
$1 70. Kxe1 Kg3 71. Kd1 f2 72. Ke2 Kg2 73. Kd3 f1=Q+ 74. Kd4 Qf5 75. Kc4 Qa5
76. Kb3 Kf3 77. Kc4 Ke4 78. Kb3 Kd3 79. Kb2 Qb5+ 80. Ka1 Kc3 81. Ka2 Qb2#)
69... Kg2 (69... Kg2 70. Kd2 f2 71. Kc3 f1=Q 72. Kb4 Qf5 73. Kb3 Qb5+ 74. Kc3
Kf2 75. Kd4 Kf3 76. Kc3 Ke3 77. Kc2 Qb4 78. Kc1 Kd3 79. Kd1 Qb1#) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.6"]
[White "Mladenov, Andrey"]
[Black "Stathopoulos, Fotios"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1707"]
[BlackElo "1499"]
[PlyCount "33"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C44: Ponziani Opening and Scotch Gambit} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4
Bc5 5. c3 dxc3 6. Bxf7+ Kxf7 7. Qd5+ Ke8 8. Qh5+ g6 9. Qxc5 b6 (9... d6 10.
Qxc3 Qf6 11. Qc2 Bg4 12. Nbd2 Bxf3 13. Nxf3 Nd4 14. Qa4+ Nc6 15. Qb5 Rb8 16.
O-O a6 17. Qb3 Qe7 18. Bd2 Nf6 19. Bc3 Kd7 20. Rad1 Kc8 21. Rfe1 Re8 22. e5
dxe5 23. Nxe5 Nxe5 24. Rxe5 {Milla de Marco,C (2100)-Moreton,D Burgas 1998 1-0}
) (9... cxb2 10. Bxb2 Nf6 11. Nbd2 d6 12. Qg5 Rf8 13. O-O Bd7 14. e5 dxe5 15.
Nxe5 Nxe5 16. Qxe5+ Kf7 17. Rfe1 Re8 18. Qc3 Nh5 19. Nf3 c6 20. Rad1 Qc7 21.
Ng5+ Kg8 22. Qh8# {1-0 (22) Sulima,F (1243)-Blazniak,B Szczyrk 2014}) 10. Qxc3
Qf6 11. e5 Qg7 $146 (11... Qe6 12. O-O Nge7 13. Re1 d5 14. exd6 Qxd6 15. Qxh8+
Kd7 16. Qxh7 Ba6 17. Nc3 Rg8 18. Rd1 Qxd1+ 19. Nxd1 Be2 20. Nc3 Bxf3 21. Qh3+
Ke8 22. Qxf3 Nb4 23. Qe4 Nbc6 24. Bg5 Rg7 25. Re1 a5 26. Qxc6+ {
Conway,T (1333)-Liu,A (825) Lindsborg 2004 1-0}) (11... Qe6 12. O-O Nge7 13.
Bh6 $16) 12. Bd2 (12. O-O Ba6 13. Re1 h6 $18) 12... Nge7 13. Bg5 h6 $2 (13...
Rf8 $142 $5 14. O-O Rf5 $18) 14. Bf6 $18 Nd5 $2 (14... Qf8 15. Bxh8 Qxh8 $18)
15. Bxg7 Nxc3 16. Bxh8 (16. bxc3 $143 Rh7 17. Bf6 Rf7 $18) 16... Nd5 17. Bg7
1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.7"]
[White "Simov, Zahari"]
[Black "Ezekiev, Ognyan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1694"]
[PlyCount "23"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B07: Pirc Defence: Miscellaneous Systems} 1. e4 d6 2. Nf3 f6 (2... Bd7 3. d4
Qc8 4. Nc3 Nc6 5. Be3 Nf6 6. h3 e5 7. Bc4 Be7 8. Qd2 O-O 9. g4 a6 10. O-O-O b5
11. Bd3 exd4 12. Nxd4 Ne5 13. g5 Nxd3+ 14. Qxd3 Nh5 15. Nd5 Re8 16. Nf5 Bf8 17.
Rhg1 {Christensen,E-Nielsen,J (2220) Aarhus 1991 0-1 (43)}) 3. d4 g5 $146 (3...
Bg4 4. Be2 Nc6 5. h3 Bh5 6. c4 e5 7. d5 Nd4 8. Nxd4 exd4 9. Bxh5+ g6 10. Bf3 c5
11. dxc6 bxc6 12. Qxd4 c5 13. Qd3 Qa5+ 14. Bd2 Qb6 15. b3 Ne7 16. e5 Rd8 17.
exf6 Nf5 18. Bc3 {Ebrahim,M-Monani,A Daressalam 2013 1-0 (61)}) 4. Bc4 e6 $2 (
4... g4 5. Nh4 $16) 5. Nc3 (5. Nxg5 $142 h5 6. Nxe6 $18) 5... Bd7 $4 (5... g4
$142 6. Nd2 e5 $16) 6. Nxg5 $1 $18 fxg5 (6... fxg5 7. Qh5+ {Double attack}) (
6... -- $140 7. Qh5+ {Mate threat}) 7. Qh5+ Ke7 8. Bxg5+ Nf6 9. e5 (9. Bxf6+
$142 Kxf6 10. Qh4+ Kg6 11. Qxd8 Bg7 12. Qxc7 Rc8 13. Qxb7 Rxc4 14. Qxa8 Rb4 $18
) 9... dxe5 10. dxe5 Be8 11. Bxf6+ Kd7 12. O-O-O+ (12. O-O-O+ Kc6 13. Qf3+ Kb6
14. Rxd8 $18) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "2.8"]
[White "Kamenov, Filip"]
[Black "Kosturkov, Hristo"]
[Result "1-0"]
[ECO "B32"]
[BlackElo "1662"]
[PlyCount "45"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B32: Sicilian: L÷wenthal and Kalashnikov Variations} 1. e4 c5 2. Nf3 Nc6 3. d4
Nxd4 4. Nxd4 cxd4 5. Qxd4 e6 6. Nc3 a6 7. Be2 Ne7 8. Be3 Nc6 9. Qd2 Bb4 10. a3
Qa5 11. O-O Bxc3 12. bxc3 O-O 13. Rfb1 $146 (13. f4 d5 14. e5 Bd7 15. Rab1 b5
16. a4 Ne7 17. Bd3 Rfc8 18. Qf2 Qc7 19. Qh4 g6 20. Rf3 Qd8 21. Qf2 Nc6 22. axb5
axb5 23. h4 Ne7 24. Bb6 Qe8 25. h5 Rxc3 26. Rh3 Rac8 27. Bd4 R3c7 {
Llaneza Vega,M (2485)-Ellmaier,H (2009) Bad Wiessee 2008 1-0}) 13... Qc7 (13...
Qe5 $5 $16) 14. Bc5 Re8 15. Bd6 Qa5 16. a4 f6 17. f4 (17. Qe3 Qd8 $18) 17...
Ne7 (17... Nd8 18. Bb4 Qc7 19. e5 fxe5 20. Bd6 $16) 18. g4 Ng6 19. Qe3 e5 $4 (
19... Qd8 $142 $16) 20. Bc4+ $18 Kh8 21. f5 Nf4 (21... Nh4 22. Bf7 Rg8 23. Qg3
$18) 22. Rb6 Nh3+ (22... h5 23. Bb4 Qxb6 24. Qxb6 $18) 23. Kf1 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.1"]
[White "Metev, Martin"]
[Black "Stamenov, Valeriy"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2052"]
[BlackElo "1942"]
[PlyCount "107"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C66: Ruy Lopez: Steinitz Defence} 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5.
Nxd4 Bd7 6. Nxc6 bxc6 7. Bc4 Nf6 8. O-O Be7 9. Re1 O-O 10. Nc3 Be6 11. Bb3 (11.
Bxe6 fxe6 12. Bg5 e5 13. Qd3 Ng4 14. Bxe7 Qxe7 15. f3 Nf6 16. Qc4+ Kh8 17. Qxc6
Rab8 18. b3 Rb6 19. Qa4 c6 20. Rad1 d5 21. exd5 Qc5+ 22. Kh1 Qxc3 23. dxc6 Rxc6
24. Qxa7 Qxc2 25. h3 Qb2 {
Koci,T (1427)-Bierska,A Kouty nad Desnou 2013 0-1 (37)}) 11... d5 (11... Re8
12. e5 dxe5 13. Bxe6 fxe6 14. Rxe5 Qxd1+ 15. Nxd1 Bd6 16. Re2 Rab8 17. Ne3 Nd5
18. Nc4 Rb4 19. b3 Nc3 20. Re3 Nd5 21. Rd3 Be7 22. Bd2 Bf6 23. Re1 Rbb8 24. Ne5
Bxe5 25. Rxe5 Rbd8 26. Kf1 {Rios,M (2328)-Plazas Oliveros,A Cali 2000 1-0 (33)}
) 12. Bf4 $146 (12. exd5 cxd5 13. Ne2 c6 14. Nf4 Bc8 15. c3 Bd6 16. Bc2 Qc7 17.
g3 Ba6 18. Bd3 Bb7 19. b4 a6 20. a3 Rfe8 21. c4 Rxe1+ 22. Qxe1 Re8 23. Qc3 Be5
24. Bxh7+ Nxh7 25. Qe3 Nf6 26. Rb1 Bxf4 {
Burak,A-Obolentseva,N Tula 2002 0-1 (35)}) (12. e5 Nd7 13. Ba4 Nb8 14. Qe2 a5
15. Bf4 Bg5 16. Qd2 Bxf4 17. Qxf4 Bd7 18. Rad1 Na6 19. Nxd5 cxd5 20. Rxd5 Bxa4
21. Rxd8 Rfxd8 22. Qxa4 Nc5 23. Qc6 Ne6 24. g3 Nd4 25. Qe4 Rab8 26. c3 Ne6 {
Conterno,D-Darby,R Coventry 2005 1-0 (31)}) (12. e5 Ng4 13. h3 Nh6 $14) 12...
Bb4 $11 13. e5 Bxc3 14. bxc3 Ne4 15. c4 (15. f3 Nc5 $14) 15... Nc5 (15... a5 $5
16. cxd5 cxd5 $14) 16. cxd5 $14 cxd5 17. Qf3 (17. Be3 Nxb3 18. axb3 Bf5 $14)
17... Qe7 (17... Rb8 $142 $5 $11) 18. Bxd5 $16 Bxd5 19. Qxd5 Rfd8 20. Qf3 Ne6
21. Be3 c5 (21... Qa3 22. Qe4 Rab8 23. f4 $14) 22. Rad1 Qc7 23. Rd6 $1 Rab8 (
23... Rxd6 24. Qxa8+ {Deflection} (24. exd6 {Passed pawn})) 24. Red1 Nd4 (24...
Qa5 25. Qe4 $16) 25. Bxd4 (25. Qd5 Rf8 26. Rd7 Rbd8 27. Rxc7 Rxd5 28. Bxd4 Rxd4
29. Rxd4 cxd4 $16) 25... cxd4 26. Rxd8+ Rxd8 27. Qe4 Qc3 28. g3 h6 29. Qd3 (29.
e6 fxe6 30. Qxe6+ Kh7 31. Qe4+ Kg8 $16) 29... Qa5 30. c3 Qxe5 (30... Qxc3 31.
Qxc3 dxc3 32. Rxd8+ {Clearance Deflection Pinning}) (30... dxc3 31. Qxd8+ {
Deflection Pinning}) (30... -- $140 31. cxd4 {Wins material}) 31. cxd4 Qd5 32.
Qb3 Qd6 (32... f6 33. Qc2 $14) 33. d5 $16 Rb8 34. Qe3 a5 35. Qe1 a4 36. Qe4 a3
37. Qf4 (37. Re1 $5 $16) 37... Qxf4 $14 38. gxf4 Kf8 39. Rd3 Ra8 40. d6 Ke8 41.
Re3+ Kf8 (41... Kd7 42. Re7+ Kxd6 43. Rxf7 $11) 42. Kg2 $16 Rd8 43. Rd3 f5 44.
Kf3 Kf7 (44... Ke8 $5 $16) 45. d7 $18 Ke7 46. Ke3 Rxd7 $2 (46... g6 $142 $5 $16
) 47. Rxd7+ $18 Kxd7 48. Kd4 Kd6 49. Kc4 g5 $4 (49... Kc6 $18) 50. fxg5 hxg5
51. Kb4 Kd5 52. Kxa3 Ke4 (52... Kc4 53. Kb2 Kb4 $18) 53. Kb3 (53. Kb4 $142 f4
54. a4 $18) 53... Kf3 (53... Kd5 54. Kb4 f4 $18) 54. a4 (54. a4 Ke4 55. Kb4 $18
) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.3"]
[White "Andreev, Dobrotich"]
[Black "Simov, Zahari"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1928"]
[BlackElo "1694"]
[PlyCount "17"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C68: Ruy Lopez: Exchange Variation, sidelines} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Qe7 7. dxe5 Bxe5 8. Be3 $146 (8. Nxe5 Qxe5 9. Be3
(9. Qf3 Nf6 10. Bf4 Qa5 11. O-O O-O 12. Qg3 Nh5 13. Qg5 Qxg5 14. Bxg5 h6 15.
Be3 f5 16. f3 Re8 17. Bd4 Nf4 18. Rfe1 Ng6 19. Re2 fxe4 20. Nxe4 Bf5 21. Rae1
Kf7 22. Ng3 Bxc2 23. Rxe8 Rxe8 {
Ubugunov,Z-Zubricheva,D (1845) Ulan Ude 2012 1/2 (43)}) 9... Nf6 10. Qd4 (10.
f3 Bd7 11. Qd2 O-O-O 12. Bd4 Qe7 13. O-O-O Be6 14. Qf2 b6 15. Qh4 Rhe8 16. g4
c5 17. Bxf6 Qxf6 18. Qxf6 gxf6 19. Rxd8+ Rxd8 20. h4 b5 21. a3 Bc4 22. Rh2 Rg8
23. Nd1 Kd7 24. Ne3 Be6 {Janev,E (2503)-Ibryamov,I (2115) Plovdiv 2012 1-0 (48)
}) 10... Qxd4 (10... Qe7 11. O-O-O h6 12. Qc5 Qxc5 13. Bxc5 Be6 14. f3 Nd7 15.
Bf2 O-O-O 16. Rd2 b5 17. Rhd1 Ne5 18. b3 f6 19. Rxd8+ Rxd8 20. Ne2 Rxd1+ 21.
Kxd1 a5 22. Bc5 Nd7 23. Be7 c5 24. Kd2 c6 25. f4 {
Loewy,L-Strobl,O Vienna 1909 1-0 (55)}) 11. Bxd4 O-O 12. O-O-O Be6 13. f4 Rad8
14. Be5 Rxd1+ 15. Rxd1 Ne8 16. f5 f6 17. Bf4 Bc8 18. a4 Kf7 19. g4 g6 20. Rd3
Ke7 21. Rh3 Rf7 22. Rh6 gxf5 {
Saw,G (2236)-Wilkins,M (2006) Melbourne 2001 1/2 (33)}) (8. Nxe5 $142 Qxe5 9.
Be3 $16) 8... Nf6 (8... Bg4 $142 9. O-O Nf6 $15) 9. Nxe5 $16 (9. Nxe5 Qxe5 10.
Qd4 Qxd4 11. Bxd4 $16) 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.4"]
[White "Ivanov, Nayden"]
[Black "Georgiev, Dimitar"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1818"]
[PlyCount "52"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C50: Hungarian Defence and Giuoco Pianissimo} 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4.
exf5 e4 5. Nd4 Nf6 6. Nxc6 bxc6 7. O-O d5 8. Bb3 Bxf5 9. d4 $146 (9. Re1 Be7
10. h3 O-O 11. Qe2 Qd7 12. g4 Nxg4 13. hxg4 Bxg4 14. f3 Bxf3 15. Qh2 Qg4+ 16.
Kf2 Be2+ 17. Ke3 Bc5+ 18. d4 Bd6 {0-1 (18) Jenc,M-Hromas,J Plzen 1995}) 9...
Bd6 (9... exd3 10. cxd3 Be7 11. d4 $11) 10. Bg5 (10. c4 $5 $14) 10... h6 $15
11. Bh4 O-O 12. c4 Kh7 13. cxd5 cxd5 14. Nc3 (14. Bxd5 $5 Bxh2+ 15. Kxh2 Qxd5
16. Nc3 $15) 14... c6 $15 15. f4 (15. Bg3 Bxg3 16. fxg3 Bc8 $15) 15... Qc7 16.
Bxf6 Rxf6 17. Ne2 (17. Rc1 Qd7 $17 (17... Bxf4 18. Nxd5 Bxh2+ 19. Kh1 cxd5 20.
Rxc7 Bxc7 21. Bxd5 $16)) 17... Rg6 18. Qd2 Re8 19. Qe3 Bg4 20. Ng3 (20. g3 Bxe2
21. Qxe2 Bxf4 $17) 20... c5 (20... Rf8 21. f5 Rgf6 22. Rac1 $19) 21. Rac1 c4
22. Bc2 (22. Bd1 Bxd1 23. Rcxd1 Rb8 $17) 22... Rf6 $19 23. Nxe4 $2 (23. h3 $142
Be6 24. Ne2 $19) 23... dxe4 (23... Rxe4 $6 24. Bxe4+ dxe4 25. b3 $17) 24. Bxe4+
(24. g3 $19) 24... Kh8 25. g3 Bf5 26. b3 (26. Qd2 Bxe4 27. Rce1 $19) 26... Rxe4
(26... Rxe4 27. Qf2 Rxd4 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.5"]
[White "Kostov, Nikolay"]
[Black "Kamenov, Filip"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1763"]
[PlyCount "54"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 1. d4 Nf6 2. Nf3 c5
3. d5 g6 4. g3 Bg7 5. Bg2 d6 6. c4 b5 7. cxb5 Qa5+ 8. Qd2 $146 (8. Nfd2 Qxb5 9.
Nc3 Qb6 10. Nc4 Qd8 11. O-O O-O 12. Qa4 a5 13. Bd2 Bd7 14. Qa3 Ng4 15. h3 Ne5
16. Ne3 f5 17. f4 Nf7 18. Nc4 a4 19. Rac1 Ra6 20. b3 axb3 21. Qxb3 Bc8 22. Qxb8
Bxc3 {Sanchez Ruesga,H (2074)-Izagirre Alsua,A (1925) San Sebastian 2013 1-0})
8... Qxb5 9. O-O Ba6 10. Nc3 Qa5 11. Re1 (11. Ne5 O-O $11 (11... dxe5 $143 12.
d6 $16)) 11... O-O $11 12. e4 Nbd7 13. e5 (13. h3 Rab8 $11) 13... Ne8 (13...
Ng4 $5 14. exd6 exd6 $15) 14. e6 $11 Ndf6 (14... Ne5 15. Nxe5 Bxe5 16. Rxe5
dxe5 17. Ne4 $11) 15. exf7+ (15. Ng5 Bh6 16. Qc2 Bxg5 17. Bxg5 Rb8 $16) 15...
Rxf7 16. Ng5 Bh6 17. Bh3 (17. Qc2 Bxg5 18. Bxg5 Nc7 $16) 17... Nc7 (17... Bxg5
18. Qxg5 Bc8 19. Bg2 $14) 18. Be6 (18. Qd1 $142 $5 Bxg5 19. Bxg5 $16) 18...
Nxe6 $15 19. Rxe6 Nd7 (19... Bxg5 20. Qxg5 Qb4 21. Bd2 $17) 20. Qe1 (20. Nce4
$142 $5 Qxd2 21. Bxd2 Bxg5 22. Bxg5 $16) 20... Bxg5 $15 21. Bxg5 {
Exerts pressure on the backward pawn} Ne5 22. Rxe5 dxe5 23. Qxe5 Qb6 24. Bxe7
$4 (24. b3 $142 Bd3 25. Bxe7 $11) 24... Qxb2 $19 25. Qe1 Rxe7 $1 26. Qxe7 (26.
Qxe7 Qxa1+ {Overloading Decoy Deflection Double attack}) (26. -- $140 Rxe1+ {
Wins material}) 26... Qxa1+ 27. Kg2 (27. Nb1 Qxb1+ 28. Kg2 Bf1+ 29. Kf3 Rf8+
30. Qxf8+ Kxf8 31. Kf4 Qf5+ 32. Ke3 Qd3+ 33. Kf4 Qd4+ 34. Kg5 Qe5+ 35. Kg4 Qf5+
36. Kh4 Qh5#) 27... Bf1+ (27... Bf1+ 28. Kf3 Qxc3+ 29. Qe3 Rf8+ 30. Kg4 Qd4+
31. Qxd4 cxd4 32. d6 d3 33. d7 d2 34. Kh4 d1=Q 35. g4 Qc1 36. f4 Qxf4 37. a3
Qf6+ 38. Kg3 Qf2#) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.6"]
[White "Ferdov, Stavri"]
[Black "Mladenov, Andrey"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "1707"]
[PlyCount "68"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B33: Sicilian: Pelikan and Sveshnikov Variations} 1. e4 c5 2. Nf3 Nc6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Be2 Bb4 8. Qd3 a5 $146 (8... O-O 9.
O-O (9. Bd2 d5 10. O-O Re8 11. Rad1 a5 12. Rfe1 Bb7 13. a3 Bxc3 14. Qxc3 Nxe4
15. Qh3 Qb6 16. Be3 Qxb2 17. Rb1 Qc3 18. Qd7 d4 19. Bh5 g6 20. Bh6 Nc5 21. Qg4
Re6 22. f4 exf4 23. Rxe6 Nxe6 {Vickov,V-Dusenov,R (2301) Astrakhan 2007 0-1})
9... a5 (9... Bxc3 10. bxc3 d5 11. exd5 cxd5 12. Bg5 Be6 13. Qe3 Qc7 14. f4
exf4 15. Bxf4 Qb6 16. Bd3 Qxe3+ 17. Bxe3 Rfc8 18. a4 a5 19. Bd4 Ne8 20. Rfb1
Nd6 21. Rb6 Nc4 22. Rb5 Nd6 23. Rb3 Nc4 24. Kf2 {
Sikora Gizynska,B-Chis,E Bydgoszcz 1978 1/2 (38)}) 10. a4 Ba6 11. Qd1 Bxc3 12.
Bxa6 Rxa6 13. bxc3 Nxe4 14. Qe2 Nc5 15. Qxe5 d6 16. Qd4 Ne6 17. Qd3 Rb6 18. Ba3
c5 19. f4 Nc7 20. c4 Rb8 21. Rad1 Qc8 22. Qxd6 Ne6 23. Rd5 {
Holzner,A (1370)-Guseck,M (1127) Jenbach 2013 1-0 (34)}) (8... d5 9. exd5 Nxd5
10. Bd2 Nxc3 11. Bxc3 Qxd3 12. cxd3 Rb8 13. O-O Bxc3 14. bxc3 Ke7 15. f4 Rb2
16. Bf3 exf4 17. Bxc6 Be6 18. Rxf4 Rc8 19. Be4 Rxc3 20. Bxh7 g6 21. h4 Rcc2 22.
Kf1 Rxg2 23. Rb1 {Polozhiev,R (1821)-Gavronskiy,D Novokuznetsk 2013 0-1}) 9.
O-O Ba6 10. Qf3 Bxe2 11. Nxe2 O-O 12. Ng3 g6 13. Bg5 Be7 14. Rad1 d6 15. h4 (
15. Qd3 Ne8 16. Bxe7 Qxe7 $14) 15... Ne8 16. Bh6 Ng7 17. h5 Re8 18. Qg4 (18.
Rd2 Ne6 $14) 18... Qc8 $11 19. Qe2 Rb8 20. b3 f5 $4 (20... Ne6 $142 $11) 21.
hxg6 $16 hxg6 22. Bxg7 Kxg7 23. exf5 gxf5 24. Rd3 f4 (24... e4 $142 25. Rc3 Qe6
$16) 25. Qh5 $4 (25. Qe4 $142 Rh8 26. Nf5+ Kf6 27. Nxd6 $18) 25... Rf8 $11 26.
Ne4 $2 (26. c4 $142 $5 Qe6 27. Rfd1 $11) 26... Rh8 $17 27. Qe2 (27. Qf3 $5 d5
28. Ng3 fxg3 29. Qxg3+ Kf6 30. Rc3 $19) 27... Rh6 $19 28. Re1 (28. Rfd1 Qe6 29.
Rh3 Rxh3 30. gxh3 Qxh3 $19) 28... Qe6 29. Qf3 $2 (29. Nd2 Rbh8 30. Rh3 $19)
29... Rbh8 30. Kf1 (30. g3 d5 31. gxf4 exf4 (31... dxe4 $6 32. Rxe4 Bd6 33.
fxe5 Rg6+ 34. Kf1 $19) 32. Qxf4 Rh1+ (32... dxe4 33. Rg3+ Rg6 34. Rxe4 $11) 33.
Kg2 Rxe1 34. Rg3+ Kh7 35. Rh3+ Qxh3+ 36. Kxh3 Rxe4 37. Qf5+ Kh6 $19) 30... Rh1+
31. Ke2 Rxe1+ 32. Kxe1 d5 33. Rd2 (33. Rd1 dxe4 34. Qxe4 $19) 33... dxe4 34.
Qxe4 Bb4 (34... Bb4 35. Ke2 Bxd2 36. Kxd2 Qd5+ 37. Qxd5 cxd5 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.06"]
[Round "3.8"]
[White "Ezekiev, Ognyan"]
[Black "Georgiev, Nikolay"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1563"]
[PlyCount "48"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{A00: Irregular Openings} 1. e3 d5 2. h4 (2. d4 Nf6 $11) 2... e5 3. h5 (3. d4
Nc6 $15) 3... c5 (3... Nf6 4. d4 Nc6 5. Bb5 $15) 4. c4 (4. d4 exd4 5. Bb5+ Nc6
6. exd4 a6 7. Bxc6+ bxc6 $11) 4... Nf6 (4... d4 5. d3 $17) 5. f3 (5. cxd5 Qxd5
6. Nc3 Qd6 $15) 5... Be6 (5... d4 6. h6 $17) 6. b3 (6. cxd5 Nxd5 7. Nc3 Nb4 $17
) 6... Nc6 (6... d4 7. exd4 cxd4 8. h6 $19) 7. g4 (7. cxd5 Nxd5 8. Bc4 Qg5 $17)
7... h6 (7... d4 8. exd4 Nxd4 9. d3 $19) 8. Na3 d4 9. e4 d3 10. Nh3 $2 (10. Bb2
$142 Be7 11. Nh3 $17) 10... Nxe4 $1 $19 11. fxe4 (11. fxe4 Qd4 {
Decoy Double attack}) (11. -- $140 Qh4+ {Mate threat}) 11... Qd4 12. Nb5 Qxe4+
13. Kf2 Qxh1 (13... Bxg4 14. Bxd3 Qxd3 15. Qxg4 $16) 14. Nc7+ Kd7 15. Nxa8 (15.
Nxe6 Kxe6 16. Qf3 Qxf3+ 17. Kxf3 Nd4+ 18. Ke4 $19) 15... e4 16. Bb2 Be7 17. Kg3
(17. g5 Bxh3 18. Bxh3+ Qxh3 19. Qh1 Qf5+ 20. Kg1 Qxg5+ 21. Qg2 Rxa8 22. Qxg5
Bxg5 23. Rd1 $19) 17... Bd6+ 18. Nf4 Qg1+ 19. Bg2 Bxf4+ 20. Kxf4 Qxg2 21. Bxg7
(21. Bf6 gxf6 22. Nb6+ axb6 23. Qf1 Qxg4+ 24. Ke3 Qg3+ 25. Kxe4 f5+ 26. Qxf5
Bxf5+ 27. Kxf5 Qf3#) 21... Rg8 (21... Re8 22. Nb6+ axb6 23. Bxh6 Qf2+ 24. Qf3
Qxf3+ 25. Kg5 Rg8+ 26. Bg7 Rxg7+ 27. Kh6 Qf6#) 22. Qh1 (22. Nb6+ axb6 23. Qf1
Qxg4+ 24. Ke3 Qg3+ 25. Kxe4 Bd5+ 26. Kxd5 Nb4+ 27. Ke4 Re8+ 28. Be5 Rxe5#)
22... Qxh1 (22... Qxg4+ 23. Ke3 Qg3+ 24. Qf3 Qxf3#) 23. Rxh1 $19 Rxg7 24. Kxe4
(24. Rg1 Nd4 25. Kxe4 Bxg4 $19) 24... Rxg4+ (24... Rxg4+ 25. Kxd3 Rg8 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.2"]
[White "Stamenov, Valeriy"]
[Black "Hristov, Hristo Mitov"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1942"]
[BlackElo "2035"]
[PlyCount "50"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B22: Sicilian: 2 c3} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6.
Be2 cxd4 7. cxd4 e6 8. O-O Be7 (8... Bd6 9. Nc3 Qh5 10. h3 Bxh3 11. Ne5 Qf5 12.
Bd3 Bg4 13. Qa4+ Ke7 14. Bxf5 Bxf5 15. Nb5 Ne8 16. Nxd6 Nxd6 17. Bf4 g5 18. Bg3
h5 19. Rac1 h4 20. Rc7+ Kf6 21. Bh2 Na6 22. Nd7+ Kg6 23. Bxd6 {
Kheyfets,N (1847)-Sukiasyan,A (1945) Novokuznetsk 2013 1-0 (31)}) 9. h3 Bh5 10.
Nc3 Qd8 11. Qa4+ $146 (11. g4 Bg6 12. Ne5 Nbd7 13. f4 h6 14. Nxg6 fxg6 15. Qc2
Nf8 16. Be3 Rc8 17. Qa4+ N8d7 18. Bc4 Qb6 19. Qb3 Rc6 20. Bb5 Rc7 21. Rac1 Qd6
22. Bd3 a6 23. Bxg6+ Kd8 24. Ne4 Qd5 25. Qxd5 Nxd5 {
Kiesow,K (2258)-Supplieth,P (2137) Goch 2001 1-0 (33)}) (11. Qb3 b6 12. Rd1
Nbd7 13. d5 exd5 14. Nxd5 O-O 15. Nxf6+ Bxf6 16. Qb5 Qc7 17. Rxd7 Qc2 18. Rd2
Qg6 19. Bd3 Qh6 20. Rc2 Bg5 21. Nxg5 Qd6 22. Be3 Rfd8 23. Bxh7+ Kh8 24. Be4
Rab8 25. Nf3 g6 {Kiefhaber,V (2245)-Davoudifar,P (2125) Rotterdam 1998 1-0 (36)
}) (11. Qb3 Qb6 $14) 11... Nbd7 (11... Nc6 12. Be3 $11) 12. g4 Bg6 13. Ne5 O-O
14. Nxg6 hxg6 15. Bf3 Nb6 16. Qd1 (16. Qb5 Qd6 $11) 16... Nfd5 17. Be3 Qd7 18.
Qb3 Rac8 19. Rac1 (19. Nxd5 Nxd5 20. Bxd5 exd5 $11) 19... Nc4 (19... Nxe3 20.
fxe3 Nc4 21. Qxb7 $17) 20. Ne4 {White intends g5} (20. Nxd5 exd5 21. Rc2 Nxe3
22. Rxc8 Rxc8 23. Qxe3 Bf6 $11) 20... Ncxe3 (20... b5 21. Nc5 Bxc5 22. Bxd5
Nxe3 23. fxe3 Bxd4 24. exd4 Rxc1 25. Rxc1 exd5 26. Re1 $17) 21. fxe3 $15 b6 22.
g5 (22. Rce1 Rc7 $15) 22... Rc7 (22... Rxc1 23. Rxc1 Rc8 24. Re1 $15) 23. Rfe1
Rxc1 24. Rxc1 Rc8 25. Re1 Qc7 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.3"]
[White "Mladenov, Andrey"]
[Black "Andreev, Dobrotich"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1707"]
[BlackElo "1928"]
[PlyCount "35"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} 1. e4 c6 2. d4 d5 3.
exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 Nc6 9. a3 O-O 10.
O-O a6 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Qc7 (13... Bf6 14. Bxc6 Qxd1 15. Rxd1
bxc6 16. Bg5 Bxb2 17. Ra2 Rb8 18. Rb1 Be5 19. Rc1 Be6 20. Nxe5 Bxa2 21. Nd7 Rb5
22. Nxf8 Rxg5 23. Nd7 Rb5 24. f3 Bd5 25. Ne5 Rb6 26. Rc3 f6 27. Nc4 Rb1+ 28.
Kf2 {Garcia Ortega Mendez,J (2307)-Alexandrova,O (2409) Leon 2012 0-1 (61)})
14. Be4 $146 (14. Qb3 Bd7 15. Ng5 Nd8 16. Re1 Bd6 17. g3 Bc6 18. Be3 Bxd5 19.
Qxd5 Qc6 20. Red1 Be7 21. Rac1 Qxd5 22. Rxd5 Bxg5 23. Bxg5 Ne6 24. Be7 Rfc8 {
1/2 (24) Falkowski,W (1799)-Vierroth,H (1795) Verden 1999}) (14. b4 Bf6 15. Ra2
Rd8 16. Qb3 a5 17. b5 a4 18. Qc4 Rxd5 19. Qxd5 Be6 20. Qd2 Bxa2 21. Qxa2 Na7
22. Qb1 Qb6 23. Be3 Qxb5 24. Rc1 h6 25. h3 Qa6 26. Rc2 Nb5 {
0-1 (26) Kasel,A (1498)-Pohl,S (1712) Magdeburg 2014}) (14. Be3 Bd7 15. Rc1 Bf6
16. Qb3 Be7 17. Rfe1 Rae8 18. Bb6 Qb8 19. Ne5 Nxe5 20. Bc7 Qa7 21. Bxe5 Bc5 22.
Qg3 g6 23. b4 Rxe5 24. Rxe5 Bd6 25. Qe3 Qxe3 26. Rxe3 Bf4 27. Bxb7 Bb5 28. Rc8
Bxe3 {Grecny,K-Svoboda,M (2235) Brno 1996 1-0 (49)}) (14. Be3 Bf6 $14) 14...
Bd7 (14... Bf6 15. Qc2 $11) 15. Qc2 h6 16. Be3 Bf6 17. Bc5 (17. h3 Rad8 $11)
17... Rfc8 18. Qd2 1/2-1/2

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.4"]
[White "Georgiev, Dimitar"]
[Black "Kamenov, Filip"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1818"]
[PlyCount "40"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{D00: 1 d4 d5: Unusual lines} 1. d4 Nf6 2. Nc3 d5 3. f3 c5 4. e4 dxe4 5. d5
exf3 6. Nxf3 e6 (6... g6 7. Bc4 a6 (7... Bg7 8. O-O O-O 9. Bf4 Nbd7 10. Nb5 Nb6
11. Bc7 Qe8 12. Bxb6 axb6 13. Nc7 Qa4 14. Bb3 Qa5 15. Nxa8 Qxa8 16. Qe2 Qb8 17.
c3 Qd6 18. Rad1 Ng4 19. Rfe1 Bf6 20. h3 Nh6 21. Nd2 Bh4 22. Nc4 {
Mueller,M (1888)-Mueller,F (2282) Leipzig 2012 0-1 (34)}) 8. a4 Bg4 9. O-O Bg7
10. Qe2 O-O 11. Bg5 Nbd7 12. Rad1 Qc7 13. d6 exd6 14. Qe7 Bxf3 15. Rxf3 Rae8
16. Qxd6 Qxd6 17. Rxd6 Ne5 18. Rf4 Nfg4 19. Be2 h6 20. Bh4 g5 21. Bxg4 {
Leuba,D (2260)-Hess,R (2360) Biel 1983 0-1 (34)}) 7. Bg5 $146 (7. Bb5+ Bd7 8.
dxe6 fxe6 9. Qe2 (9. O-O Be7 10. Bg5 O-O 11. Qe1 Nd5 12. Bxe7 Nxe7 13. Rd1 Nec6
14. Qe3 Qe7 15. Ng5 Nd4 16. Rxf8+ Qxf8 17. Rf1 Nf5 18. Bxd7 Nxe3 19. Bxe6+ {
1-0 (19) Rossi,G (2108)-Carlassara,R (1772) Pedavena 2005}) 9... Nc6 10. Bf4
Be7 11. O-O-O Qa5 12. Rxd7 Kxd7 13. Rd1+ Ke8 14. Qxe6 Qb6 15. Ne5 Rf8 16. Nd5
Qd8 17. Nxc6 bxc6 18. Bxc6+ Nd7 19. Nc7+ Qxc7 20. Rxd7 Qxf4+ 21. Rd2# {
1-0 (21) Alexopoulos,G-Fouriki,A Athens 1978 EXT 2003 [Siaperas]}) 7... Be7 8.
Bb5+ Kf8 9. dxe6 Qxd1+ 10. Rxd1 (10. Kxd1 $143 Bxe6 11. Ke2 h6 12. Bxf6 Bxf6
$17) 10... Bxe6 11. Bxf6 gxf6 12. Nd5 Bxd5 (12... Nc6 $5 $11) 13. Rxd5 $14 a6
14. Bd7 Kg7 15. Nh4 $4 (15. Kf2 $142 $11) 15... Rd8 $19 16. Nf5+ Kf8 17. O-O (
17. Rd3 Nxd7 18. Rh3 Ne5 $19) 17... Nxd7 18. Nxe7 Kxe7 19. Re1+ Ne5 20. Rxc5
Rac8 (20... Rac8 21. Rxc8 Rxc8 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.5"]
[White "Ivanov, Nayden"]
[Black "Kostov, Nikolay"]
[Result "0-1"]
[ECO "C51"]
[BlackElo "1763"]
[PlyCount "34"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C51: Evans Gambit: Declined and Accepted without 5...Ba5} 1. e4 e5 2. Nf3 Nc6
3. Bc4 Bc5 4. O-O Nf6 5. b4 Bxb4 6. c3 Be7 7. d4 d6 8. Bg5 $146 (8. dxe5 Nxe5
9. Nxe5 dxe5 10. Qb3 O-O 11. Rd1 Qe8 12. f3 Bc5+ 13. Kf1 (13. Kh1 Qe7 14. Na3
Nh5 15. Nc2 Qh4 16. Be3 Bxe3 17. Nxe3 Qf2 18. Bxf7+ Kh8 19. Bxh5 Qxe3 20. Qf7
Bg4 21. Qxc7 Bxh5 22. Qxe5 Bxf3 23. gxf3 Qxf3+ 24. Kg1 Rf4 {
0-1 (24) Mahescandra-Cochrane,J Kolkata 1852}) 13... Qc6 14. Bd5 Qb6 15. Qxb6
Bxb6 16. Ba3 Re8 17. Nd2 Nxd5 18. exd5 Bd7 19. c4 Bd4 20. Rab1 b6 21. Nb3 Bf5
22. Rbc1 Be3 {Henriquez Garcia,D (1993)-Perez Celis,A (1800) Cotelec 2012 1/2})
(8. Ba3 exd4 9. cxd4 O-O 10. e5 dxe5 11. dxe5 Bxa3 12. Nxa3 Ng4 13. Qxd8 Rxd8
14. Nb5 Ngxe5 15. Nxe5 Nxe5 16. Nxc7 Rb8 17. Bb3 Kf8 18. f4 Nc6 19. f5 b5 20.
f6 g6 21. Rfe1 Rb7 22. Na6 Nd4 {
Allajov,R (2130)-Javakhadze,Z (2455) Poti 2013 0-1 (50)}) (8. Nbd2 O-O $11)
8... h6 9. Bxf6 Bxf6 (9... gxf6 $6 10. Nbd2 $11) 10. dxe5 Nxe5 11. Nxe5 dxe5
12. Qb3 O-O 13. f4 $2 (13. a4 $142 $17) 13... exf4 $19 14. Rxf4 Qe7 (14... c6
15. a4 $19) 15. Nd2 $2 (15. a4 $19) 15... Bg5 16. Raf1 (16. Rf2 Be3 17. Raf1
Be6 $19) 16... Qc5+ 17. Kh1 Bxf4 (17... Bxf4 18. Rxf4 Be6 19. Bxe6 fxe6 20.
Rxf8+ Rxf8 (20... Qxf8 $143 21. Nf3 $19) 21. Qxe6+ Kh7 $19) 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.6"]
[White "Simov, Zahari"]
[Black "Ferdov, Stavri"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1694"]
[PlyCount "19"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C30: King's Gambit Declined} 1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Nh6 5. d3 (5.
O-O g6 (5... Bg4 6. Nc3 Be7 7. d3 Bh4 8. h3 Bh5 9. Be3 f6 10. f5 Qe7 11. Qd2 g5
12. Nd5 Qd7 13. Nxf6+ Kd8 14. Nxd7 Kxd7 15. Be6+ Ke7 16. Bxg5+ Bxg5 17. Qxg5+
Ke8 18. Qxh5+ Kd8 19. Qxh6 Nd4 20. Qf6+ {
Lieberwirth,K (998)-Heuter,C (779) Sebnitz 2011 1-0}) 6. c3 Bg7 7. d4 exd4 8.
cxd4 O-O 9. h3 a6 10. Nc3 Bd7 11. Be3 Nb4 12. a3 b5 13. Be2 Nc6 14. b4 a5 15.
bxa5 Nxa5 16. Nxb5 Rb8 17. a4 c6 18. Nxd6 Be6 19. e5 Nb3 {
Wielsch,K (2155)-Gassilloud,L Germany 2011 1-0}) 5... f6 $146 (5... Bg4 6. h3 (
6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Be7 9. Qe1 Bxf3 10. Rxf3 Ng4 11. Qg3 h5 12. Qe1
h4 13. h3 Nf6 14. Be3 Nh5 15. Nd2 g5 16. fxg5 Bxg5 17. Nf1 Bf4 18. Bxf4 Nxf4
19. Nh2 Qg5 20. Qf2 Kd7 {
Moeller,P (1530)-Laber,W (1466) Pinneberg 2004 0-1 (38)}) 6... Bxf3 7. Qxf3 Nd4
8. Qf2 Qf6 9. c3 Ne6 10. f5 Nc5 11. Be3 c6 12. b4 Nd7 13. O-O Qd8 14. Nd2 Be7
15. Nf3 Nb6 16. Bb3 O-O 17. g4 Kh8 18. f6 Bxf6 19. g5 Ng8 20. gxf6 {
Ackermann,D-Hohnberg,L Donaueschingen 1985 1-0 (31)}) (5... Be7 6. O-O $14) 6.
f5 Na5 7. Bb3 (7. Bxh6 $5 Nxc4 8. dxc4 gxh6 9. Nc3 $16) 7... Nxb3 $11 8. axb3
Nf7 9. Nc3 Be7 10. Be3 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "4.7"]
[White "Georgiev, Nikolay"]
[Black "Kosturkov, Hristo"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1563"]
[BlackElo "1662"]
[PlyCount "102"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 1. e4 c5 2. Nf3 e6 3.
Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 Qc7 7. Bb3 Bd6 (7... b5 8. f4 Bb7 9. Be3
Nxd4 10. Qxd4 Nf6 11. e5 Ng4 12. Qb6 Qc6 13. O-O-O Nxe3 14. Qxe3 Qxg2 15. Qd4
Rd8 16. f5 Qg5+ 17. Kb1 Bxh1 18. Rxh1 Qxf5 19. a4 b4 20. Ne4 Be7 21. Nd6+ Bxd6
22. Qxd6 {Hoiberg,N (2285)-Cramling,P (2435) Thessaloniki 1988 0-1}) 8. Be3 Na5
$146 (8... Be5 9. Qd2 Nf6 10. O-O-O O-O 11. f3 b5 12. g3 Rb8 13. Nxc6 Qxc6 14.
Bd4 d6 15. Rhe1 Bb7 16. Bxe5 dxe5 17. Qd6 Qxd6 18. Rxd6 Rfc8 19. Red1 Kf8 20.
Rb6 Ke7 21. Rbd6 Rd8 22. Rxd8 Rxd8 23. Rxd8 {
Novotny,M (1971)-Mesiarik,R (2189) Tatranske Matliare 2012 1-0 (69)}) (8... Nf6
9. f3 Bxh2 10. Qd2 Bg3+ 11. Bf2 Bxf2+ 12. Qxf2 Nxd4 13. Qxd4 Qg3+ 14. Kf1 O-O
15. e5 Ne8 16. Ne4 Qg6 17. c3 f6 18. Bc2 fxe5 19. Qd2 h6 20. Rh3 d5 21. Rg3 Qh5
22. Rh3 Qg6 23. Kf2 {Guimond,M (1887)-Laurin,M (1717) Gatineau 2006 0-1 (34)})
(8... Nf6 9. Qd2 Nxd4 10. Bxd4 $14) 9. Qd2 Nf6 $4 (9... Bc5 $14) 10. h3 $4 (10.
Ndb5 $142 axb5 11. Nxb5 $18) 10... Bb4 $11 11. f3 Nxb3 12. axb3 d5 13. exd5
Nxd5 14. Nde2 Nxe3 15. Qxe3 O-O 16. O-O-O Bc5 17. Qg5 b5 18. h4 Bb7 19. h5 Be7
20. Qe3 (20. Qg3 Qxg3 21. Nxg3 Rad8 $17) 20... Rac8 (20... Rfc8 $142 21. Qd3 b4
$19) 21. Rd2 $2 (21. h6 g6 22. Qd4 e5 $17) 21... Qc5 $4 (21... Bc5 $142 22. Qg5
h6 $19) 22. Qxc5 $15 Bxc5 23. Rd7 Bc6 24. Rdd1 Rfd8 25. Ne4 (25. Kb1 Be7 $17)
25... Be3+ 26. Kb1 Bxe4 (26... f5 $5 27. Nd6 Rc7 $17) 27. fxe4 $15 g6 28. hxg6
hxg6 29. c3 e5 30. g4 Kg7 31. Kc2 Kf6 32. Rd5 Rxd5 33. exd5 Kg5 34. Rh3 (34.
Rh7 f5 35. gxf5 gxf5 $15) 34... Bf4 35. Rh7 Rc7 36. Kd3 Kxg4 37. c4 (37. Rh1
$15) 37... Bg5 (37... e4+ $142 38. Kd4 Bd6 $17) 38. Nc3 $11 bxc4+ (38... Bd8
$142 $5 $11) 39. bxc4 $16 Bc1 (39... Rb7 $5 40. Ne4 Bd8 $16) 40. b4 $18 Rb7 41.
b5 (41. c5 Rxb4 42. c6 Rd4+ 43. Kc2 Ba3 44. Rxf7 Bd6 $18) 41... axb5 42. Nxb5
$4 (42. c5 $142 Rb8 43. c6 e4+ 44. Nxe4 $18) 42... e4+ $15 43. Ke2 (43. Kd4
Bb2+ 44. Ke3 Bc1+ 45. Kd4 Bb2+ 46. Ke3 Bc1+ 47. Kd4 $11) 43... Bg5 $17 44. Nd6
$4 {f7 becomes a target} (44. Rg7 $142 $17) 44... Rb2+ $19 45. Kf1 (45. Kd1 e3
46. Ne4 Bd8 $19) 45... f5 46. Nf7 (46. c5 Bf4 47. Rb7 $19) 46... Bf6 47. d6 f4
(47... e3 48. Ne5+ Bxe5 49. Rh4+ Kxh4 50. d7 e2+ 51. Kf2 Bd4+ 52. Ke1 Kg3 53.
c5 Bf2#) 48. c5 (48. Ne5+ Bxe5 49. d7 Rb1+ 50. Ke2 f3+ 51. Ke3 Bf4+ 52. Kxe4
$19) 48... f3 49. d7 (49. Nh6+ Kf4 50. Rb7 Rxb7 51. Ke1 Rb1+ 52. Kd2 f2 53. c6
Rb2+ 54. Kc1 f1=Q#) 49... e3 (49... Rb1+ 50. Kf2 Bd4#) 50. Kg1 (50. Ne5+ Bxe5
51. Rh4+ Kg3 52. Rh3+ Kxh3 53. d8=Q Rb1+ 54. Qd1 Rxd1#) 50... e2 (50... Kg3 51.
Rh3+ Kxh3 52. Ng5+ Bxg5 53. d8=R Rb1+ 54. Rd1 Rxd1#) 51. d8=Q (51. Ne5+ Bxe5
52. Rh4+ Kg3 53. Rh3+ Kxh3 54. Kf2 Bd4+ 55. Kxf3 e1=Q 56. c6 Rf2#) 51... e1=Q#
0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.1"]
[White "Kamenov, Filip"]
[Black "Gelemerov, Yane"]
[Result "1/2-1/2"]
[ECO "C64"]
[BlackElo "2044"]
[PlyCount "62"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8.
Ba4 d6 9. dxe5 dxe5 10. Qxd8+ Bxd8 11. Be3 Bb6 12. Bxb6 axb6 13. Bb3 Ke7 14. f4
exf4 15. Rxf4 Be6 16. Na3 Rd8 17. Bxe6 Kxe6 18. Raf1 Nh6 19. e5 b5 20. g4 Rhf8
21. g5 Ng8 22. Nc2 c5 23. Na3 Rd5 24. Nxb5 Rxe5 25. h4 f5 26. c4 Ne7 27. R1f2
Rd8 28. h5 Rd3 29. Kg2 Ree3 30. R4f3 Ke5 31. h6 Rxf3 1/2-1/2

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.2"]
[White "Hristov, Hristo Mitov"]
[Black "Metev, Martin"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2035"]
[BlackElo "2052"]
[PlyCount "117"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 O-O 7. O-O Bg4 8.
f3 Bh5 9. a3 Bd6 10. Bf4 Bg6 11. Re1 Bxd3 12. Qxd3 Bxf4 13. Nxf4 c6 14. Re2
Nbd7 15. Rae1 Qc7 16. g3 Rae8 17. Kg2 Qd8 18. Qd2 Nb6 19. b3 Rxe2+ 20. Rxe2 Re8
21. a4 Kf8 22. a5 Nbd7 23. Na4 Rxe2+ 24. Nxe2 h6 25. Kf2 Qe7 26. b4 Ne8 27. Nc5
Nxc5 28. bxc5 Qd8 29. Qb4 Qc7 30. Nf4 Nf6 31. Nd3 h5 32. Qa3 h4 33. a6 hxg3+
34. hxg3 Nh5 35. f4 g5 36. axb7 Qxb7 37. fxg5 Qd7 38. Ne5 Qf5+ 39. Qf3 Qxc2+
40. Kg1 Qb1+ 41. Kg2 Qc2+ 42. Kh3 Qh7 43. Kg4 f5+ 44. Qxf5+ Qxf5+ 45. Kxf5
Nxg3+ 46. Ke6 Ne4 47. Nxc6 Nxg5+ 48. Kxd5 a6 49. Na5 Ke7 50. Kc6 Ne6 51. d5
Nd4+ 52. Kb6 Nb5 53. Nc4 Kd8 54. d6 Nd4 55. Kxa6 Kd7 56. Kb7 Ke6 57. c6 Nb3 58.
c7 Nc5+ 59. Kc6 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.3"]
[White "Andreev, Dobrotich"]
[Black "Georgiev, Dimitar"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1928"]
[BlackElo "1818"]
[PlyCount "32"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Qxd4 f6 8.
Be3 Qe7 9. h3 c5 10. Qd2 c6 11. O-O-O Bc7 12. Bf4 Be6 13. Bxc7 Qxc7 14. Qd6
Qxd6 15. Rxd6 Ke7 16. Rhd1 Nh6 1/2-1/2

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.4"]
[White "Kostov, Nikolay"]
[Black "Mladenov, Andrey"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1763"]
[BlackElo "1707"]
[PlyCount "40"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 1. d4 d5 2. c4 c6 3.
Nc3 Nf6 4. cxd5 cxd5 5. Bf4 a6 6. e3 Bf5 7. Qb3 Qd7 (7... Bc8 8. Bd3 Nc6 9. Nf3
e6 10. O-O Bd6 11. Bg5 O-O 12. Rac1 Re8 13. Rfd1 Be7 14. Bb1 Nh5 15. Bxe7 Qxe7
16. Na4 Nf6 17. Nb6 Ra7 18. Ne5 Qd6 19. Qc2 g6 20. Nxc6 bxc6 21. Qxc6 Qxc6 22.
Rxc6 {Oblitas Guerrero,C (2420)-Quinones Paucar,C (2050) Lima 1998 1-0 (85)})
8. Na4 $146 (8. Nf3 Nc6 9. Be2 (9. Ne5 Nxe5 10. dxe5 Nh5 11. Qxd5 e6 12. Qxd7+
Kxd7 13. Be2 Nxf4 14. exf4 Bb4 15. Rc1 Rac8 16. Bf3 Rc7 17. a3 Bxc3+ 18. Rxc3
Rxc3 19. bxc3 b5 20. Bb7 a5 21. Ke2 Kc7 22. Bf3 Bc2 23. Rc1 Bb3 {
Kulidzhanian,S-Pap,M Chalkidiki 2001 1-0}) 9... e6 10. O-O Be7 11. Na4 Na5 12.
Qd1 Qd8 13. Rc1 Rc8 14. Nc5 O-O 15. b4 Bxc5 16. dxc5 Nc6 17. a3 Re8 18. Ne5
Nxe5 19. Bxe5 Nd7 20. Bb2 Qg5 21. f4 Qg6 22. Rf3 f6 {
Bakalarczyk,W (2037)-Zohr,A (1721) Bad Woerishofen 2003 1-0 (50)}) (8. Bxb8
Rxb8 9. Bxa6 Qe6 10. Bb5+ {
1-0 (10) Danielian,K (1848)-Boyd,C (1367) Saint Affrique 2014}) 8... Qc6 9. Nb6
(9. Nc5 Nbd7 10. Qxb7 Qxb7 11. Nxb7 Nh5 $14) 9... Bc2 10. Qc3 Qxb6 11. Qxc2 e5
(11... Nc6 12. Ne2 $11) 12. Qc8+ (12. dxe5 $142 $5 Qb4+ 13. Kd1 $16) 12... Ke7
$11 13. Bxe5 Qxb2 14. Rc1 $4 (14. Qc1 $142 Qb4+ 15. Qd2 Qxd2+ 16. Kxd2 Ne4+ 17.
Ke1 $11) 14... Nc6 $19 15. Bxf6+ Kxf6 $4 (15... gxf6 $142 16. Qc7+ Ke6 17.
Rxc6+ bxc6 18. Qxc6+ Bd6 $19) 16. Rxc6+ $11 bxc6 17. Qxc6+ Ke7 18. Qxa8 Qa1+ $4
(18... Qb1+ $142 19. Kd2 Qb2+ 20. Kd3 Qb1+ 21. Kd2 Qb2+ 22. Kd3 Qb1+ 23. Kd2
$11) 19. Ke2 $18 Qxa2+ 20. Kd1 (20. Kf3 $142 Qb1 21. Be2 Qf5+ 22. Kg3 Qg6+ 23.
Bg4 $18) 20... Qb1+ 1/2-1/2

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.5"]
[White "Kosturkov, Hristo"]
[Black "Stamenov, Valeriy"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1662"]
[BlackElo "1942"]
[PlyCount "76"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. c4 e6 2. e4 d5 3. e5 d4 4. d3 c5 5. Nf3 Ne7 6. Bg5 Qa5+ 7. Bd2 Qc7 8. Bf4
Ng6 9. Bg3 Nc6 10. Qe2 Bd7 11. h3 Be7 12. a3 a5 13. a4 Nb4 14. b3 Bc6 15. Na3
O-O 16. Nb5 Qd7 17. Qd2 f5 18. exf6 Bxf6 19. Be2 e5 20. O-O e4 21. dxe4 d3 22.
Rad1 dxe2 23. Qxe2 Qf7 24. Nd6 Qe6 25. Qe3 b6 26. Qd2 Rad8 27. Ng5 Qe7 28. Nf5
Rxd2 29. Nxe7+ Nxe7 30. Rxd2 Bxg5 31. f4 Bh6 32. Re2 Rd8 33. Bh4 Rd7 34. f5 Nd3
35. f6 gxf6 36. Rxf6 Bg7 37. Re6 Nf4 38. Bxe7 Nxe6 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.6"]
[White "Georgiev, Nikolay"]
[Black "Simov, Zahari"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "1563"]
[BlackElo "1694"]
[PlyCount "19"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

{C61: Ruy Lopez: Bird's Defence} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5.
c3 Qg5 6. Be2 (6. Bf1 Bc5 7. b4 Bb6 8. d3 Qe7 9. Be2 dxc3 10. O-O Bd4 11. Qc2
Qxb4 12. Na3 a6 13. Nc4 b5 14. Ne3 Ne7 15. a4 Qa5 16. Qb3 b4 17. Nc2 c5 18. Bg5
d6 19. Bh5 g6 20. Nxd4 cxd4 {
Plachetka,J (2405)-Stoica,V (2300) Stary Smokovec 1974 1/2 (40)}) 6... Bc5 $146
(6... d3 7. Bf1 Nf6 8. Qf3 Ng4 9. Qf5 Qxf5 10. exf5 Bc5 11. f3 Nf2 12. Rg1 O-O
{0-1 (12) Djurhuus,E (1831)-Ioannidis,E (2002) Maribor 2012}) (6... Qxg2 7. Bf3
Qg6 (7... Qh3 8. cxd4 h5 9. Nc3 Nf6 10. Nb5 Kd8 11. Rg1 Rh6 12. d3 Rg6 13. Rxg6
fxg6 14. e5 Ng4 15. Bxg4 hxg4 16. Bg5+ Be7 17. Bxe7+ Kxe7 18. Qc2 g3 19. fxg3
d6 20. Qxc7+ Bd7 21. Qxd6+ Kf7 22. Nc3 {
Komarov,A (1885)-Morokov,A (1734) Novokuznetsk 2012 1-0 (38)}) 8. cxd4 d5 9. d3
Bh3 10. Qa4+ Bd7 11. Qb3 O-O-O 12. Nc3 Qf6 13. Ke2 Qxd4 14. Be3 Qb4 15. Nxd5
Qxb3 16. axb3 a6 17. Rhc1 Bd6 18. Nb6+ Kb8 19. Nxd7+ Rxd7 20. Bg4 Re7 21. f4 {
Neubronner,S (2012)-Frink,F (2173) Balatonlelle 2008 1/2 (54)}) (6... d3 $142
$5 7. Bf3 Nf6 $15) 7. O-O $16 d6 (7... Ne7 $5 $16) 8. cxd4 Bxd4 $4 (8... Bb6
$142 $16) 9. Qa4+ $18 Bd7 10. Qxd4 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "5.7"]
[White "Ferdov, Stavri"]
[Black "Ivanov, Nayden"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "19"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 e5 3. e3 Nc6 4. Nc3 Nf6 5. c5 Bg4 6. Be2 Bf5 7. Nf3 e4 8. Nh4
Be6 9. g3 Qd7 10. Ng2 1-0

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "6.1"]
[White "Kamenov, Filip"]
[Black "Hristov, Hristo Mitov"]
[Result "0-1"]
[ECO "B32"]
[BlackElo "2035"]
[PlyCount "100"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Be3 Qb4+ 7. N1d2 Nxe4
8. c3 Qa4 9. Bd3 Nxd2 10. Qxd2 Ne5 11. Bc2 Nc4 12. Nd4 Qa6 13. Bd3 Nxd2 14.
Bxa6 bxa6 15. Bxd2 Bb7 16. O-O e6 17. Nb3 d5 18. Na5 O-O-O 19. Be3 Kb8 20. Nxb7
Kxb7 21. Rfd1 Be7 22. Rd2 Bf6 23. Rad1 Rc8 24. g3 Rc4 25. Bd4 Bxd4 26. Rxd4
Rhc8 27. f4 g6 28. Kf2 h5 29. h4 a5 30. Ke3 Kb6 31. Rxc4 Rxc4 32. Rd4 Kc5 33.
Rd3 a4 34. Rd2 a5 35. Kd3 Re4 36. Rd1 f6 37. b3 axb3 38. axb3 a4 39. b4+ Kb5
40. Ra1 g5 41. g4 Rxf4 42. hxg5 hxg4 43. Re1 fxg5 44. Rxe6 g3 45. Re5 Rg4 46.
Rxd5+ Kc6 47. c4 g2 48. b5+ Kc7 49. c5 g1=Q 50. b6+ Kc6 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "6.3"]
[White "Metev, Martin"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2052"]
[BlackElo "1928"]
[PlyCount "120"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Ne5 Nd7 8.
Nxg6 hxg6 9. c3 Qc7 10. Bd2 Ngf6 11. Qf3 Bd6 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qf3
c5 15. Bb5+ Kf8 16. dxc5 Bxc5 17. O-O-O Nd5 18. Bd3 Kg8 19. h4 Bd6 20. h5 gxh5
21. Rxh5 Rxh5 22. Qxh5 Nf6 23. Qh4 Rd8 24. Rh1 Kf8 25. Bg5 Be7 26. Qh8+ Ng8 27.
Bxe7+ Kxe7 28. Qxg7 Qf4+ 29. Kb1 Rxd3 30. Qxg8 Qf5 31. Ka1 Qh5 32. Rb1 Rd1 33.
g4 Qh1 34. Qg5+ Kf8 35. Qd8+ Rxd8 36. Rxh1 Rd2 37. Rf1 Kg7 38. a3 Kf6 39. Ka2
Kg5 40. f3 Kf4 41. Rh1 b5 42. Kb3 a5 43. Rh5 a4+ 44. Ka2 Rd5 45. Rh7 f5 46.
gxf5 exf5 47. Rh3 Rd3 48. c4 bxc4 49. Rh4+ Kxf3 50. Rxc4 f4 51. Rxa4 Ke3 52.
Ra8 f3 53. Re8+ Kd2 54. Rf8 Ke2 55. a4 f2 56. Re8+ Re3 57. Rf8 Rf3 58. Re8+ Kd3
59. Rd8+ Kc4 60. b3+ Kb4 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "6.4"]
[White "Stamenov, Valeriy"]
[Black "Kostov, Nikolay"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1942"]
[BlackElo "1763"]
[PlyCount "59"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. h3 h6 7. c3 O-O 8. b4 Bb6
9. a4 a5 10. b5 Ne7 11. Bb3 Ng6 12. Bc2 d5 13. Qe2 dxe4 14. dxe4 Bc5 15. Na3
Be6 16. Nc4 Bxc4 17. Qxc4 Qe7 18. g3 b6 19. Kg2 Rad8 20. Re1 Rfe8 21. Be3 Bxe3
22. Rxe3 Rd7 23. Ree1 Red8 24. Red1 Rxd1 25. Rxd1 Rxd1 26. Bxd1 Qd6 27. Bb3 Qd7
28. Nh2 Nh7 29. h4 Kf8 30. Qe2 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "6.6"]
[White "Simov, Zahari"]
[Black "Kosturkov, Hristo"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1694"]
[BlackElo "1662"]
[PlyCount "44"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 a6 5. a4 Nf6 6. d3 Be7 7. Nf3 O-O 8. O-O d5
9. Re1 d4 10. Ne2 e5 11. h3 Ne8 12. Kh2 Be6 13. Neg1 f6 14. Bd2 Qb6 15. b3 Nd6
16. g4 h6 17. Nh4 Bf7 18. Nf5 Nxf5 19. exf5 Qc7 20. Be4 b5 21. axb5 axb5 22.
Qe2 c4 0-1

[Event "144 open MGU"]
[Site "Sofia"]
[Date "2015.06.07"]
[Round "6.7"]
[White "Ivanov, Nayden"]
[Black "Georgiev, Nikolay"]
[Result "1-0"]
[ECO "C52"]
[BlackElo "1563"]
[PlyCount "111"]
[EventDate "2015.06.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. b4 Bxb4 6. c3 Ba5 7. d4 Nxe4 8. d5
Ne7 9. Nxe5 Nxc3 10. Qf3 f6 11. Nxc3 fxe5 12. d6 Rf8 13. dxe7 Qxe7 14. Qd3 c6
15. Ne4 d5 16. Bg5 dxe4 17. Bxe7 exd3 18. Bxf8 Kxf8 19. Bxd3 g6 20. f4 Bb6+ 21.
Kh1 exf4 22. Rxf4+ Kg7 23. Raf1 Be6 24. Bc4 Bxc4 25. Rxc4 Rf8 26. Rd1 Rf7 27.
g3 Kf8 28. a4 Ke8 29. Kg2 Rd7 30. Rf1 Rd2+ 31. Kh3 Rf2 32. Re1+ Kd7 33. Rf4
Rxf4 34. gxf4 Bc7 35. Re2 Bxf4 36. Kg4 g5 37. Kf5 h6 38. h4 Bd6 39. h5 b5 40.
axb5 cxb5 41. Ra2 Bc5 42. Kg6 Bf8 43. Rxa7+ Ke8 44. Kf5 b4 45. Rb7 Be7 46. Ke6
Bd8 47. Rxb4 Be7 48. Rb7 Bd8 49. Kf5 g4 50. Kxg4 Bg5 51. Kf5 Kf8 52. Kg6 Ke8
53. Rf7 Bc1 54. Kf6 Bg5+ 55. Ke6 Bc1 56. Rc7 1-0

 

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