PGN Chess Game 183rd MGU open (BUL)

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[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.1"]
[White "Gelemerov, Yane"]
[Black "Vladov, Lyubomir"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2013"]
[BlackElo "1700"]
[PlyCount "79"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. Nf3 Nf6 7. O-O O-O 8.
Be3 b6 9. Qd2 Ng4 10. Bg5 f6 11. Bh4 Qd6 $146 ({RR} 11... h5 12. Bg3 e5 13. h3
Nh6 14. Ne1 Nf7 15. f4 Bh6 16. Qe2 exf4 17. Bxf4 Qd4+ 18. Kh1 Bxf4 19. Rxf4 Ne5
20. Nf3 Nxf3 21. Rxf3 Qe5 22. Raf1 Kg7 23. Qf2 Be6 24. a3 Rf7 25. Ne2 Raf8 26.
b4 {Schmid,F (2160)-Wild,R (2231)/Bayern 2013/EXT 2015/0-1 (49)}) ({RR} 11...
Bh6 12. Qe2 Bf4 13. h3 Nh6 14. Bg3 Bxg3 15. fxg3 e5 16. Kh2 Qe7 17. a3 Nf7 18.
Rab1 a5 19. Na4 Ra6 20. Nc3 Nd8 21. Nd1 Ne6 22. c3 Ra7 23. b4 cxb4 24. cxb4
axb4 25. axb4 Ra3 26. Nf2 {
Emodi,G (2282)-Popovics,A (2394)/Hungary 2010/EXT 2011/1/2 (42)}) ({RR} 11...
e5 12. h3 Nh6 13. Bg3 Be6 14. Rad1 Nf7 15. Qe2 Qd7 16. Nd2 {
1/2 Yudasin,L (2550)-Krush,I (2479)/New York 2007/CBM 122 Extra}) 12. h3 Nh6
13. Bg3 e5 14. Rae1 Nf7 15. Qe2 Bh6 16. Nh2 Bf4 17. Ng4 Bxg3 18. fxg3 Bxg4 19.
Qxg4 Ng5 20. Rf2 Qe6 21. Qe2 h5 22. b3 Nf7 23. Nd1 Nd6 24. Ne3 Kg7 25. g4 hxg4
26. Nxg4 Rf7 27. Ref1 Raf8 28. Qe3 g5 29. Qe2 Ne8 30. Ne3 Rh8 31. Nf5+ Kg6 32.
Qg4 Rfh7 33. Rf3 Kf7 34. Ne3 Qxg4 35. Nxg4 Ke7 36. Nxf6 Nxf6 37. Rxf6 g4 38.
Kh2 gxh3 39. g3 Kd7 40. Rg6 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.2"]
[White "Kostov, Nikolay"]
[Black "Kolev, Nikola Vl."]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1653"]
[BlackElo "1869"]
[PlyCount "67"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e3 O-O 6. cxd5 Nxd5 7. Qb3 e6 ({RR} 
7... Nb6 8. h4 Be6 9. Qd1 Bg4 10. h5 Bxh5 11. Rxh5 gxh5 12. Nh4 e6 13. Qxh5
N8d7 14. Nf3 Qf6 15. e4 Qg6 16. Qh3 f5 17. Be2 c5 18. Nh4 Qf7 19. d5 fxe4 20.
dxe6 Qxf2+ 21. Kd1 Bxc3 22. bxc3 {
Manolache,M (2513)-Ilic,Z (2293)/Belgrade 2007/CBM 121 Extra/1-0}) 8. e4 Nxc3
$146 ({RR} 8... Nb6 9. Be3 a5 10. a4 Nc6 11. Be2 Nxd4 12. Bxd4 Bxd4 13. Rd1
Bxc3+ 14. bxc3 Qe8 15. Bb5 Qe7 16. O-O Qc5 17. Rd2 c6 18. Be2 e5 19. Rb1 Nd7
20. Bc4 Qe7 21. Qc2 Kg7 22. h4 h6 23. g3 {
Borges,J (2071)-Fucs,P (2140)/Rio de Janeiro 2015/CBM 168 Extra/0-1 (86)}) 9.
Qxc3 Nc6 10. Be3 f5 11. e5 f4 12. Bd2 Bd7 13. h4 h6 14. O-O-O Ne7 15. Bc4 b5
16. Bb3 a5 17. Qd3 Qc8 18. Bc2 h5 19. Rhg1 b4 20. g3 fxg3 21. Rxg3 Be8 22. Rg5
Qb7 23. Rg3 Bc6 24. Ng5 Bd5 25. Bb3 a4 26. Bxd5 Qxd5 27. Kb1 b3 28. a3 Rxf2 29.
Ne4 Rf5 30. Bg5 Kf7 31. Bxe7 Kxe7 32. Rxg6 Bh8 33. Ng5 Raf8 34. Rxe6+ 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.4"]
[White "Georgiev, Nikolay Zh."]
[Black "Ruschukov, Boyan"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1585"]
[BlackElo "1828"]
[PlyCount "89"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e6 7. Be3 Be7 8.
O-O a6 9. a3 Qc7 10. Nb3 O-O 11. f4 b5 12. Qd2 $146 ({RR} 12. g4 Re8 ({RR} 
12... d5 13. exd5 Rd8 14. Bf3 b4 15. axb4 Nxb4 16. Nb5 Qb8 17. N5d4 Nfxd5 18.
Bd2 Bb7 19. Na5 Bc5 20. c3 Nc6 21. Nxb7 Qxb7 22. Bc1 Qa7 23. Ra4 Nxd4 24. cxd4
Nb6 25. Bxa8 Nxa4 26. Qxa4 Bxd4+ 27. Kg2 {
Prasca Sosa,R (2420)-Obregon Rivero,J (2526)/Panama City 2013/EXT 2014/0-1 (32)
}) 13. g5 Nd7 14. f5 Nce5 15. Qe1 Bb7 16. Qh4 exf5 17. Rxf5 Bc6 18. Nd4 Bb7 19.
Rf2 g6 {1/2 Martens,S-Ketelaar,F/Doernfeld 1999/EXT 2002}) ({RR} 12. Qe1 Bb7
13. Rd1 Rac8 14. Bf3 b4 15. axb4 Nxb4 16. Rf2 Nxc2 17. Rxc2 Bxe4 18. Bxe4 Nxe4
19. Rdc1 Nxc3 20. Rxc3 Qb8 21. Rxc8 Rxc8 22. Rxc8+ Qxc8 23. Qc3 Qb8 24. Bd4 Bf8
25. Na5 Qb5 26. b4 Qe2 {Corte Real Neto,C (2016)-Okamura,M (2058)/Rio de
Janeiro 2016/CBM 172 Extra/1-0 (44)}) ({RR} 12. Kh1 Bb7 13. Rf3 Na5 14. Nxa5
Qxa5 15. Bd3 Rac8 16. Bd2 Qc7 17. Qe2 Nd7 18. Rh3 g6 19. Rf1 Rfe8 20. f5 exf5
21. exf5 Ne5 22. fxg6 fxg6 23. Rxh7 Kxh7 24. Qh5+ Kg7 25. Bh6+ Kg8 26. Bxg6 Bf8
{Ivanenko,B-Platonov,I/Kiev 1963/EXT 2003/0-1 (54)}) ({RR} 12. Bd3 Bb7 13. Ne2
Rad8 14. Ng3 e5 15. f5 d5 16. Qe2 Nd4 17. Bxd4 dxe4 18. Bxe4 Nxe4 19. Nxe4 Bxe4
20. Qxe4 exd4 21. Rad1 Bf6 22. Rf2 Rfe8 23. Qg4 Qe5 24. Qf4 Qe7 25. Qf3 Qa7 26.
Kf1 Qc7 {
Rainho,C (1821)-Montufar Berrios,L (1724)/Batatais 2014/CBM 158 Extra/0-1 (57)}
) 12... Bb7 13. Bf3 Rfd8 14. Qf2 Nd7 15. Rfd1 Rac8 16. Rd3 Na5 17. Nxa5 Qxa5
18. Rad1 b4 19. Na2 bxa3 20. Rxa3 Qc7 21. Rc3 Qb8 22. Rxc8 Rxc8 23. Bd4 e5 24.
fxe5 Nxe5 $2 (24... dxe5 25. Ba7 Qc7 26. Nc3 Nf6 $15) 25. Bxe5 $2 (25. Nc3 $11)
25... dxe5 26. Kh1 Rd8 $6 (26... Ba8 $1 27. b3 a5 $15) 27. Qe2 Rxd1+ 28. Qxd1
Qd6 29. Qxd6 Bxd6 30. Nc3 g6 31. Kg1 Bc5+ 32. Kf1 Bd4 33. Nd1 Kf8 34. Ke2 Ke7
35. Kd3 a5 36. Kc4 Ba6+ 37. Kd5 $4 (37. Kb3 $15) 37... Bb7+ $6 (37... a4 $1 $17
38. c3 Bg1 39. h3 f6 40. Kc6 Bc4 41. Kc7 h5) 38. Kc4 f5 39. exf5 Ba6+ 40. Kd5
gxf5 41. c3 Bb7+ 42. Kc4 Ba6+ 43. Kd5 Bb7+ 44. Kc4 Ba6+ 45. Kd5 1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.5"]
[White "Petkov, Martin"]
[Black "Sapareva, Magdalena"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1798"]
[BlackElo "1479"]
[PlyCount "47"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bc4 h6 5. O-O Bg4 ({RR} 5... Nf6 6. d3 Bg4 7.
c3 Be7 8. Qb3 O-O 9. Qxb7 Na5 10. Qa6 Nxc4 11. Qxc4 exf4 12. Bxf4 c5 13. Qa4
Qb6 14. Qc2 Rab8 15. Bc1 Nd7 16. Nbd2 f5 17. Nc4 Qc7 18. Ne3 fxe4 19. Nxg4 exf3
20. Rxf3 {Svatos,J (2370)-Vanecek,J/Pardubice 1992/EXT 1997/1-0}) 6. c3 Qd7 ({
RR} 6... exf4 7. d4 Qe7 8. Bb5 Bd7 9. Bxf4 a6 10. Bc4 O-O-O 11. e5 Bg4 12. exd6
cxd6 13. h3 Bxf3 14. Qxf3 Qc7 15. Nd2 Nf6 16. Bg3 Be7 17. Bxf7 g5 18. Rae1 Rhf8
19. Be6+ Kb8 20. Qd3 Rh8 21. Nb3 {
Vonhoff,J (1707)-Stocek,J (1250)/Plzen 2016/EXT 2017/1-0 (40)}) 7. Qb3 $146 ({
RR} 7. d4 exd4 8. cxd4 Nf6 9. Nc3 O-O-O 10. h3 Bh5 11. Be3 a6 12. Qa4 Bxf3 13.
Rxf3 Nb8 14. Qb3 Nc6 15. Bxf7 Na5 16. Qe6 Qxe6 17. Bxe6+ Kb8 18. a4 Re8 19. f5
g5 20. b4 Nc6 21. b5 Nd8 {
Van der Pluijm,R-Jansen,R/Schagen 2003/EXT 2005/1-0 (37)}) ({RR} 7. d3 O-O-O 8.
b4 h5 9. h3 Bxh3 10. gxh3 Qxh3 11. Nh2 Qd7 12. Qf3 Nf6 13. f5 Be7 14. Bxf7 Kb8
15. Be3 Rdf8 16. Be6 Qe8 17. Rf2 Nd8 18. Bc4 Ng4 19. Rg2 g6 20. Nd2 Nxe3 21.
Qxe3 gxf5 {Tyn,O-Buzek,I/Ostrava 2005/EXT 2007/1/2 (37)}) 7... Na5 8. Bxf7+
Qxf7 9. Qb5+ c6 10. Qxa5 Qc4 11. fxe5 b6 12. Qa3 Bxf3 13. Rxf3 c5 14. d3 Qe6
15. Qa4+ Ke7 16. exd6+ Qxd6 17. Bf4 Qd7 18. Qc4 Nf6 19. Na3 a6 20. Nc2 Qe6 21.
Qa4 g5 22. Bg3 g4 23. Rf5 h5 24. Re5 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.6"]
[White "Kononenko, Vladimir"]
[Black "Timev, Anzhelo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1375"]
[BlackElo "1779"]
[PlyCount "42"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Nf3 Bd6 ({RR} 
7... Qc7 8. O-O Bd6 9. Re1 h6 10. Qe2 Bf4 11. Nbd2 b6 12. g3 Bd6 13. Ne5 Bxe5
14. dxe5 Nd7 15. Nf3 Nc5 16. Bc2 Ba6 17. Qd1 Rd8 18. Be3 Bb7 19. Rc1 Ne7 20.
Bd4 g6 21. Nh2 h5 22. Nf3 {
Meijers,V (2427)-Piankov,E (2326)/La Fere 2002/CBM 089 Extra/1-0 (54)}) 8. Bg5
({RR} 8. Be3 Qb6 9. Qe2 Qc7 10. Nbd2 h6 11. Rc1 Bd7 12. O-O O-O 13. Rfe1 Rfe8
14. Nf1 a6 15. Bb1 Ne4 16. N3d2 f5 17. Bxe4 dxe4 18. Nc4 Bf8 19. Qd2 b5 20. Bf4
Qa7 21. Ne5 Nxe5 22. Bxe5 Bc6 {
Abdo,M (2023)-Ismail,H (2244)/Cairo 2015/EXT 2017/1-0 (46)}) 8... h6 9. Bh4 Qc7
$146 ({RR} 9... g5 10. Bg3 Bxg3 11. fxg3 Nh5 ({RR} 11... Qd6 12. O-O ({RR} 12.
g4 Qg3+ 13. Kf1 Ne7 14. Ne5 Qf4+ 15. Ke1 Nc6 16. Qf3 Nxe5 17. dxe5 Qc1+ 18. Qd1
Qxb2 19. Nd2 Qxc3 20. exf6 Qxd3 21. Qa4+ Bd7 22. Qb4 O-O-O 23. Qc5+ Bc6 24.
Qxa7 Qc3 25. Rb1 d4 26. Rg1 Be4 {
De Mooy,F-Gaellaesch,S/Neumuenster 1998/EXT 2002/0-1}) 12... Qxg3 13. Qe2 Nh5
14. Qf2 Qxf2+ 15. Rxf2 Nf4 16. Bb5 Bd7 17. Nbd2 O-O 18. Nb3 Nb8 19. Bf1 Bc6 20.
h4 f6 21. Re1 Re8 22. g3 Nh5 23. Kh2 g4 24. Nfd2 Nd7 25. Be2 f5 26. Bd3 {
Sol Franks,M-Gurrea Martinez,J/Alfaro 2007/EXT 2008/0-1 (31)}) 12. g4 Ng3 13.
Rg1 e5 14. Bb5 O-O 15. Bxc6 bxc6 16. Nxe5 Re8 17. Qf3 f6 18. Qxg3 fxe5 19. Kd1
exd4 20. Qd3 Qd6 21. Rf1 c5 22. Qf3 Qe6 23. Nd2 Ba6 24. c4 {
Lakerbaya,T (2134)-Balichev,D/St Petersburg 2010/EXT 2011/0-1 (33)}) 10. Bxf6
gxf6 11. Nbd2 Qb6 12. b4 e5 13. Qe2 Be6 14. Bb5 e4 15. Nh2 a6 16. Ba4 Bxh2 17.
Rxh2 Qc7 18. Rh1 b5 19. Bc2 Ne7 20. f3 Qxc3 21. Rc1 e3 0-1

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "1.7"]
[White "Babatov, Martin"]
[Black "Hristov, Ivan"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1711"]
[PlyCount "35"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 e6 3. Bf4 Nc6 ({RR} 3... dxc4 4. Qa4+ Nc6 5. e3 Bb4+ 6. Nc3 Bd7
7. Qc2 Na5 8. Nf3 Nf6 9. Bg5 h6 10. Bh4 b5 11. Ne5 a6 12. Be2 Be7 13. Bf3 c6
14. O-O g5 15. Bg3 h5 16. h3 Nd5 17. Qe2 Nf6 18. Ne4 {
Lodhi,M (2355)-Novikov,I (2585)/Benasque 1996/CBM 053 Extra/1/2 (61)}) 4. e3
Nf6 5. Nc3 Nd7 $146 ({RR} 5... Bb4 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 ({RR} 8. Bd3
Re8 9. Ne2 e5 10. dxe5 Nxe5 11. Bxe5 Rxe5 12. O-O dxc4 13. Bxh7+ Kxh7 14. Qxd8
c6 15. Qc7 Rd5 16. Qxf7 Rg5 17. Ng3 b5 18. Rfd1 Rd5 19. Rxd5 Nxd5 20. Nf5 Bxf5
21. Qxf5+ Kg8 22. Rc1 Rd8 {De Jong,R-Van Kempen,R/Hengelo 1997/EXT 2001/1-0})
8... Ne4 9. Qc2 Re8 10. Bd3 Nd6 11. Bxh7+ Kf8 12. c5 Nf5 13. Bxf5 exf5 14. O-O
Be6 15. Ne5 Bd7 16. Nxc6 Bxc6 17. Qxf5 Bd7 18. Qxd5 Qc8 19. Qh5 f6 20. Qe2 {
Tryggestad,L (1422)-Johansen,I/Helsingor 2015/CBM 167 Extra/1-0}) ({RR} 5... a6
6. a3 dxc4 7. Bxc4 Bd6 8. Bg5 Be7 9. Nf3 O-O 10. O-O Ng4 11. Bxe7 Qxe7 12. h3
Nf6 13. Qc2 h6 14. Rfe1 Rd8 15. Rad1 b5 16. Ba2 Bb7 17. e4 b4 18. Na4 bxa3 19.
Nc5 Nb4 20. Qb3 {
Perdi,Z (1611)-Melykuti,F (1562)/Hungary 2013/EXT 2016/0-1 (47)}) 6. Nf3 Nb6 7.
c5 Nd7 8. Bb5 a6 9. Qa4 Na7 10. Bd3 Be7 11. b4 c6 12. O-O O-O 13. Qc2 g6 14. a4
b6 15. Ne5 Nxe5 16. Bxe5 Bf6 17. Bxf6 Qxf6 18. cxb6 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "2.1"]
[White "Timev, Anzhelo"]
[Black "Gelemerov, Yane"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1779"]
[BlackElo "2013"]
[PlyCount "51"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 Nc6 ({RR} 6... e5
7. Bd3 O-O 8. O-O Re8 9. d5 a5 10. Bc2 Na6 11. a3 Bd7 12. Re1 c6 13. Rb1 Qb6
14. b3 Qc5 15. Qc1 cxd5 16. exd5 h6 17. Qb2 b5 18. cxb5 Bxb5 19. Ne4 Nxe4 20.
Bxe4 Qb6 21. b4 {
Krasenkow,M (2610)-Kogan,A (2528)/Drancy 2016/CBM 172 Extra/1/2 (33)}) 7. Be2 (
{RR} 7. Bd3 O-O 8. O-O Re8 9. Rc1 e5 10. d5 Nb4 11. Bb1 c6 12. a3 Na6 13. b4
cxd5 14. cxd5 Bg4 15. Qb3 Rc8 16. h3 Rxc1 17. Rxc1 Bxf3 18. Qxf3 Nc7 19. Nb3
Nb5 20. Na5 b6 21. Nc6 Nd4 {
Wong,L (1351)-Ali,S/Baku 2016/CBM 174 Extra/1/2 (55)}) 7... e5 8. dxe5 dxe5 9.
O-O $146 ({RR} 9. Qc2 O-O 10. Nb3 Qe7 11. O-O Bg4 12. Nh4 Nb4 13. Qc1 Bxe2 14.
Nf5 Qd8 15. Qg5 Nh5 16. Qxd8 Rfxd8 17. Rfc1 Nf4 18. a3 Nbd3 19. Rc2 Bg4 20. Ne3
Be6 21. g3 Nh3+ 22. Kg2 Ng5 23. Nd2 Bh3+ {
Grkovic,V-Akman,O/Artek 1999/EXT 2000/0-1}) 9... O-O 10. Rc1 Qe7 11. a3 Rd8 12.
Qc2 Nh5 13. Rfd1 Nf4 14. Nf1 Bg4 15. Ne3 Bxf3 16. Bxf3 Nd4 17. Rxd4 exd4 18.
Nf5 Qe5 19. Qd2 c5 20. g3 Ne6 21. Bg2 Rd7 22. f4 Qf6 23. Bh3 Re8 24. Qd1 g6 25.
Nh6+ Kh8 26. Ng4 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "2.2"]
[White "Babatov, Martin"]
[Black "Petkov, Martin"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1711"]
[BlackElo "1798"]
[PlyCount "47"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. cxd5 exd5 6. Nf3 Bd6 7. O-O O-O 8. Nc3
c6 9. Bg5 Nbd7 ({RR} 9... h6 10. Bxf6 Qxf6 11. e3 Na6 12. a3 Nc7 13. b4 a6 14.
Rc1 Ne6 15. Ne2 g5 16. Qd3 Bd7 17. Qc3 Be8 18. Ne5 f4 19. e4 Nxd4 20. Nxd4 Bxe5
21. Rcd1 dxe4 22. Qc5 Bh5 {
0-1 Houska,B (2104)-Varitski,I (2334)/Czechia 2003/EXT 2005}) 10. Qd2 $146 ({RR
} 10. Nh4 Nb6 11. e3 Qe8 12. Bxf6 Rxf6 13. Nf3 Nd7 14. Qc2 Qh5 15. h4 h6 16.
Qe2 Qe8 17. Qc2 Rf8 18. Ne2 Nf6 19. Nf4 Ne4 20. Rac1 g5 21. Nd3 Rf7 22. Nfe5
Rg7 23. hxg5 hxg5 24. Qe2 g4 {Carls,C-Meyer/Hamburg 1910/EXT 1999/1-0 (34)}) ({
RR} 10. e3 Qe8 11. Re1 Ne4 12. Bf4 Qe7 13. Nd2 Ndf6 14. f3 Nxd2 15. Qxd2 Re8
16. Rac1 h6 17. h4 g5 18. hxg5 hxg5 19. Bxd6 Qxd6 20. Kf2 Nh5 21. f4 Qg6 22.
Rg1 g4 23. Rh1 Re6 24. Rh4 Qe8 {
Steinberg,C (1820)-Diegel,J (1577)/Dortmund 2016/CBM 173 Extra/1-0 (31)}) ({RR
} 10. Qc2 Nb6 11. a4 a5 12. Nh4 h6 13. Bd2 Ne4 14. Bc1 Qf6 15. e3 Be6 16. Nf3
Bf7 17. Qb3 Qd8 18. Re1 Kh8 19. h4 Bh5 20. Ne2 Bb4 21. Rd1 Qd6 22. Nf4 Bg4 23.
Qc2 g5 24. hxg5 hxg5 {
Mitterhuber,M (1572)-Hiebler,L (1837)/Austria 2014/EXT 2015/0-1 (34)}) 10...
Qe8 11. Nh4 $6 (11. Bf4 $142 $11) 11... Ne4 12. Nxe4 fxe4 (12... dxe4 $17 13.
f3 e3 14. Qxe3 Qxe3+ 15. Bxe3 f4 16. gxf4 Bxf4 17. Bf2 g5) 13. Bh3 (13. f3 $5
$11) 13... Nf6 (13... Nb6 $1) 14. Bxc8 Qxc8 15. Bxf6 Rxf6 16. f4 $4 (16. f3 $15
) 16... Qh3 17. e3 Raf8 (17... Rh6 18. Qg2 Qg4 $17) 18. Ng2 g5 19. Rf2 gxf4 $2
(19... Rh6 20. Ne1 gxf4 21. gxf4 Kf7 22. Rg2 Rg6 $17) 20. Nxf4 Bxf4 21. Rxf4
Rxf4 22. exf4 h5 23. Qg2 Qxg2+ 24. Kxg2 1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "2.3"]
[White "Ruschukov, Boyan"]
[Black "Kostov, Nikolay"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1828"]
[BlackElo "1653"]
[PlyCount "98"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nc3 Be7 6. Nf3 O-O 7. O-O dxc4 8. Ne5
Nd5 9. Nxc4 Nxc3 10. bxc3 Nd7 ({RR} 10... b5 11. Ne5 Bb7 12. Qb3 Qc8 13. a4 a6
14. Bf4 Nd7 15. Rfc1 Nxe5 16. Bxe5 Qd7 17. c4 b4 18. c5 a5 19. Rd1 Ba6 20. Ra2
Rfd8 21. Rad2 Ra7 22. h4 h6 {1-0 Araujo Sanchez,J (1772)-Feliz Segura,R (1874)/
Santo Domingo 2016/CBM 172 Extra}) 11. e4 Nb6 12. Ne3 Qc7 13. a4 $146 ({RR} 13.
Qh5 g6 14. Qh6 Bf6 15. Ng4 Bg7 16. Qh4 f5 17. Bf4 Qd7 18. Ne5 Qd8 19. Bg5 Bf6
20. Bxf6 Qxf6 21. Qxf6 Rxf6 22. f4 Rf8 23. a4 Rd8 24. a5 Nd7 25. Nxd7 Rxd7 26.
e5 a6 27. Rfb1 Kf7 {
Merva,F (2053)-Londin,M (2055)/Slovakia 2009/EXT 2011/1-0 (44)}) 13... Rd8 $4 (
13... a5 $142 $16) 14. a5 Nd7 15. Qb3 (15. Nc4 $142 $1 $16) 15... e5 $2 {
טאדנאללא #} (15... b5 $142 $16) 16. Nf5 (16. f4 $1 $18) 16... Bf8 $2 (16...
Bf6 $142 $16) 17. Rd1 (17. Bg5 $142 Re8 18. f4 $16) 17... c5 $2 (17... Nf6 $142
$16) 18. d5 Bd6 19. c4 a6 20. f4 Rb8 21. Nxd6 Qxd6 22. Be3 f6 23. Qa3 b6 24.
Bh3 exf4 25. gxf4 b5 26. cxb5 axb5 27. Bxd7 $2 (27. a6 $1 $18) 27... Qxd7 (
27... b4 $142 $1 28. Qb2 $11) 28. Bxc5 b4 29. Qg3 Rb5 30. Bd4 Qe7 31. Re1 (31.
a6 $142 $18) 31... Ba6 32. Bb6 Rc8 33. Re3 b3 34. d6 $4 (34. Rxb3 Qxe4 $11)
34... b2 35. Rb1 Qxd6 36. Ree1 Rc2 37. e5 fxe5 38. fxe5 Qe6 39. Rbd1 Rc8 40.
Qg5 Rxb6 $2 (40... Rf8 $142 $19) 41. Rd8+ Rxd8 42. Qxd8+ Kf7 43. Qc7+ Kf8 44.
Qd8+ Kf7 45. Qxb6 Qg4+ 46. Kf2 Qh4+ 47. Kf3 Qxe1 48. Qxb2 Qh1+ 49. Kg3 Qg1+ 0-1

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "2.5"]
[White "Grabcheva, Natalia"]
[Black "Georgiev, Nikolay Zh."]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1602"]
[BlackElo "1585"]
[PlyCount "67"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 d5 2. d4 Nf6 3. b3 Bf5 4. Bb2 e6 5. e3 Nbd7 6. Bd3 Bd6 ({RR} 6... Bg6 7.
O-O a5 8. c4 c6 9. Nc3 Bb4 10. Rc1 O-O 11. Na4 Bd6 12. Ne5 Qe7 13. Nxg6 hxg6
14. c5 Bc7 15. f4 Ne4 16. Rc2 f5 17. g3 g5 18. Rg2 g4 19. Nc3 Nef6 20. Be2 Kf7
21. Bd3 {
Garcia Castro,P (2356)-Petkov,V (2497)/Linares 2016/CBM 174 Extra/0-1 (54)}) 7.
Bxf5 $146 ({RR} 7. O-O c6 8. c4 ({RR} 8. h3 Ne4 9. Qe2 Qf6 10. Nbd2 g5 11. c4
h5 12. cxd5 exd5 13. Ne5 Nxe5 14. dxe5 Bxe5 15. Bxe5 Qxe5 16. Bxe4 Bxe4 17. f4
gxf4 18. exf4 Qd4+ 19. Kh2 O-O-O 20. Nf3 Bxf3 21. Qxf3 Rde8 22. Rae1 Re4 {
Pisani,V-Vezzosi,P (2352)/Bergamo 2008/CBM 126 Extra/0-1}) 8... Bxd3 ({RR} 8...
O-O 9. Nc3 Bg4 10. Be2 Qe7 11. Nd2 Bf5 12. c5 Bc7 13. f4 b6 14. b4 a5 15. b5
bxc5 16. bxc6 cxd4 17. Nb5 d3 18. Ba3 dxe2 19. Qxe2 Nc5 20. Nxc7 Qxc7 21. Bxc5
Rfc8 22. Bd4 Qxc6 23. h3 {Gonzalez Rodriguez,J (2382)-Handke,F (2553)/
Barcelona 2014/CBM 162 Extra/0-1 (43)}) 9. Qxd3 Ne4 10. Nbd2 f5 11. Ne5 Bxe5
12. dxe5 Ndc5 13. Qc2 Nxd2 14. Qxd2 dxc4 15. Qb4 Nd3 16. Qxb7 ({RR} 16. Qxc4
Nxb2 17. Qc3 Qd3 18. Qxb2 O-O-O) ({RR} 16. Qc3 Nxb2 17. Qxb2 cxb3 18. Rfd1)
16... Nxb2 17. bxc4 Rb8 ({RR} 17... Nxc4 18. Qxc6+) 18. Qxg7 Rf8 19. Qxh7 Qe7
20. Qh5+ Kd7 21. Rac1 Rh8 {
Frydman,P-Spielmann,R/Warsaw 1934/EXT 2017/[Becker,A]/0-1}) ({RR} 7. Ne5 Bxd3
8. cxd3 O-O 9. O-O Qe7 10. Nd2 Ba3 11. Bxa3 Qxa3 12. Qc1 Qxc1 13. Rfxc1 c6 14.
Nxd7 Nxd7 15. Rc3 a5 16. a3 Ra6 17. Rac1 Rfa8 18. Kf1 Kf8 19. Ke2 Ke7 20. f4
Nf6 21. Nf3 Ne8 {Gonzalez Rodriguez,J (2371)-Narciso Dublan,M (2509)/
Vallfogona de Balaguer 2013/EXT 2014/1/2 (74)}) 7... exf5 8. Nbd2 O-O 9. O-O c6
10. c4 Re8 11. Rc1 Bf8 12. Ne5 dxc4 13. Ndxc4 Nd5 14. Nxd7 Qxd7 15. Ne5 Qd6 16.
Nc4 Qc7 17. Ba3 Bxa3 18. Nxa3 f4 19. Qf3 Qa5 20. e4 Nb4 21. Nc4 Qxa2 22. Qc3 a5
23. Nb2 Rxe4 24. Ra1 Nd5 25. Qc2 Nb4 26. Qxe4 Qxb2 27. Rxa5 Rd8 28. Qxf4 Qxb3
29. Qd6 Re8 30. Re5 Ra8 31. Ra5 Na6 32. h3 h6 33. Qd7 Qb4 34. Raa1 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "2.6"]
[White "Kolev, Nikola Vl."]
[Black "Naydenov, Kristiyan"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1869"]
[PlyCount "37"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 O-O 7. Bd3 dxc4 8.
Bxc4 Na5 ({RR} 8... Nd5 9. Bxe7 Ncxe7 10. O-O b6 11. Qe2 Bb7 12. Rfd1 Ng6 13.
Rac1 a6 14. Ne5 Qg5 15. Nxd5 exd5 16. Nf3 Qe7 17. Bd3 c5 18. b3 Rfe8 19. Qd2
Rac8 20. Rc2 c4 21. Bf5 {
1/2 Vukoje,V (2397)-Margitic,Z (2121)/Sibenik 2011/CBM 142 Extra}) 9. Bd3 h6
$146 ({RR} 9... a6 10. O-O Nd5 11. Bxe7 Nxe7 12. Rc1 h6 13. Bb1 Nac6 14. Qc2
Ng6 15. a3 Kh7 16. Ne2 f5 17. Rfd1 Nh4 18. Nxh4 Qxh4 19. g3 Qf6 20. b4 g6 21.
Qc5 Rd8 22. Ba2 Rd6 23. Nf4 b6 24. Qc2 {Mathe,F (1737)-Montay,J (1356)/
Montigny le Bretonneux 2015/CBM 170 Extra/1-0 (33)}) ({RR} 9... c5 10. Ne5 cxd4
11. Bxf6 Bxf6 12. exd4 Bxe5 13. Qh5 Qxd4 14. Qxh7# {
1-0 Butala,S (1875)-Faber,D (1633)/Slovakia 2016/EXT 2017}) ({RR} 9... b6 10.
O-O Bb7 11. Rc1 a6 12. Qe2 Nd5 13. Bxe7 Qxe7 14. Nxd5 Bxd5 15. b4 Qxb4 16. e4
Bb7 17. Rxc7 Rfc8 18. Rfc1 Rxc7 19. Rxc7 Rc8 20. Qc2 Qf8 21. d5 exd5 22. exd5
Rxc7 23. Qxc7 Bxd5 24. Qxb6 {
Mulligan,S (2157)-Hardman,M (2100)/Telford 2005/EXT 2006/1/2}) 10. Bxf6 Bxf6
11. Qa4 Nc6 12. b4 a6 13. b5 Ne7 14. bxa6 bxa6 15. Ne4 Bd7 16. Nxf6+ gxf6 17.
Qa5 Nc6 18. Qc3 e5 19. dxe5 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "3.1"]
[White "Kostov, Nikolay"]
[Black "Timev, Anzhelo"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1653"]
[BlackElo "1779"]
[PlyCount "95"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 c6 5. f4 e6 6. Nf3 Nd7 ({RR} 6... Qa5+
7. c3 Qa6 8. Qxa6 Nxa6 9. O-O Nf6 10. Ne5 Ne4 11. Nd2 {
1/2 Romes,M (1906)-Kroencke,M (1996)/Schwaebisch Gmuend 2015/EXT 2016}) 7. O-O
Ngf6 8. Ne5 Qb6 $146 ({RR} 8... Bd6 9. Nd2 O-O 10. Rf3 Qc7 11. Rh3 c5 12. c3
cxd4 13. cxd4 Rac8 14. Ndf3 Qc2 15. Qxc2 Rxc2 16. Rb1 Bxe5 17. dxe5 Ne4 18. Nd4
Rc7 19. b3 Rfc8 20. Ba3 a6 21. Ne2 Rc2 22. Rc1 Nb6 23. Rxc2 {
Musiienko,D-Bykov,Y/Kiev 2010/CBM 134 Extra/0-1 (46)}) 9. f5 c5 10. fxe6 Qxe6
11. Nf3 c4 12. Qe2 Ne4 13. Nbd2 Ndf6 14. Ne5 Nxd2 15. Bxd2 Bd6 16. Qf3 O-O 17.
Be1 Ne4 18. Ng4 Rae8 19. Qf5 Qg6 20. Qxg6 hxg6 21. Nf2 Nf6 22. Bd2 b5 23. Rfe1
g5 24. h3 Ne4 25. Nxe4 Rxe4 26. b3 Rfe8 27. c3 g4 28. hxg4 Rxg4 29. Rf1 Re6 30.
Rae1 Reg6 31. Re2 Bg3 32. Be1 Bxe1 33. Rfxe1 Rc6 34. b4 Ra6 35. Rc2 Re4 36. Kf2
f5 37. g3 Rh6 38. Kg1 g5 39. Rce2 Kf7 40. a4 bxa4 41. Ra1 Ra6 42. Ra3 f4 43.
gxf4 gxf4 44. Kf2 fxe3+ 45. Rxe3 Rxe3 46. Kxe3 Ke6 47. Kf4 Kf6 48. Kg4 1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "3.2"]
[White "Petkov, Martin"]
[Black "Grabcheva, Natalia"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1798"]
[BlackElo "1602"]
[PlyCount "79"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. Be3 b6 ({RR} 
7... a6 8. O-O Ng4 9. Bg5 f6 10. Bd2 e5 11. h3 Nh6 12. Be3 Nf7 13. Qc2 c6 14.
Rfd1 Qe7 15. b4 exd4 16. Nxd4 Re8 17. Bf4 Nf8 18. Bg3 Ne6 19. Nxe6 Bxe6 20. Re1
f5 21. exf5 Bxf5 22. Qd2 {
Maslak,K (2541)-Savchenko,B (2654)/Budva 2009/CBM 130/0-1 (59)}) 8. O-O Bb7 9.
Nd2 $146 ({RR} 9. d5 c6 ({RR} 9... Ng4 10. Bd2 Nde5 11. h3 Nf6 12. Qc2 c6 13.
Rac1 Rc8 14. b4 Ned7 15. Qb3 Re8 16. Rfe1 Nf8 17. Be3 e6 18. a3 N6d7 19. Red1
Nf6 20. Bf1 Qe7 21. Qa2 Rc7 22. Qd2 Rd8 23. dxc6 Bxc6 24. e5 {
Nguyen,T-Nguyen T Lan,P/Hue 2004/EXT 2005/1-0 (42)}) 10. Nd4 Rc8 11. f4 cxd5
12. cxd5 Nc5 13. Qc2 Ncxe4 14. Bd3 Nxc3 15. bxc3 Nxd5 16. Bd2 Bxd4+ 17. Kh1
Nxc3 18. Rae1 Ne4 19. Qd1 Nf2+ 20. Rxf2 Bxf2 21. Rf1 Bd4 22. f5 Bg7 23. h4 e6 {
Rincon,D-Mora,C (1552)/Cali 2015/EXT 2016/0-1 (33)}) ({RR} 9. e5 dxe5 10. dxe5
Ng4 11. Bf4 Ngxe5 12. Nxe5 Nxe5 13. Qc1 Re8 14. Bh6 Bh8 15. f4 Qd4+ 16. Kh1
Nxc4 17. f5 Ne5 18. fxg6 Nxg6 19. Nb5 Qd5 20. Rf3 Qd7 21. Rg3 Rac8 22. Qc2 c6
23. Bc4 cxb5 {Armesto,B-Aparicio,R/San Fernando 1999/EXT 2002/1-0}) 9... e5 10.
d5 Nc5 11. b4 Ncd7 12. c5 bxc5 13. bxc5 Nxc5 14. Bxc5 dxc5 15. Rb1 Qc8 16. Qa4
Rd8 17. Nc4 c6 $4 (17... Ba6 $142 $14) 18. Na5 Ba6 19. Nxc6 Bxe2 20. Nxe2 (20.
Ne7+ $18) 20... Re8 21. f3 Nd7 22. Nc3 Nb6 23. Qb5 Nd7 24. Rb2 Bh6 25. Rfb1
Be3+ 26. Kh1 Bd4 27. Rb3 Nb6 28. Na4 Nxa4 29. Qxa4 f5 30. Qc4 Kh8 31. Rb7 fxe4
32. d6 (32. Qa6 $142 $18) 32... Rf8 (32... exf3 $142 33. gxf3 $16) 33. Qd5 (33.
Rc7 Qf5 34. Rbb7 Qh5 35. Qd5 $18) 33... exf3 (33... Qf5 $142 34. Re7 $16) 34.
d7 $4 {טאדנאללא #} fxg2+ $4 (34... Qxb7 $1 $19) 35. Kxg2 Rf2+ 36. Kh1 Qf8 37.
Rb8 Rxb8 38. Rxb8 Rf1+ 39. Kg2 Rg1+ 40. Kh3 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "3.3"]
[White "Gelemerov, Yane"]
[Black "Babatov, Martin"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2013"]
[BlackElo "1711"]
[PlyCount "129"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bg4 5. Bc4 e6 6. h3 Bxf3 7. Qxf3 Nf6 8.
Nxf6+ Qxf6 9. Qxf6 gxf6 10. d4 ({RR} 10. O-O Bg7 11. f4 f5 12. a4 Nd7 13. a5 a6
14. Rb1 Nf6 15. c3 h5 16. d3 O-O-O 17. Bd2 Nd5 18. Bb3 Bf8 19. Rf3 h4 20. Bd1
Bd6 21. Be2 Rhg8 22. b4 Rg6 23. c4 Nc7 24. Be1 Be7 {
Yanofsky,D (2460)-Reilly,B/Amsterdam 1954/EXT 2001/1/2 (42)}) 10... Rg8 $146 ({
RR} 10... Nd7 11. Be3 Nb6 12. Bb3 ({RR} 12. Be2 h5 13. h4 Nd5 14. Bd2 Bh6 15.
Bxh6 Rxh6 16. O-O-O f5 17. Bf3 Ke7 18. g3 Rd8 19. Rhe1 Nf6 20. Re3 Ng4 21. Re2
Kf6 22. Rd3 Rhh8 23. Bxg4 fxg4 24. f4 gxf3 25. Rxf3+ Ke7 26. Ref2 f5 {
Yumashev,V (1813)-Gorelov,V/Tambov 2013/EXT 2014/1-0 (56)}) 12... Nd5 13. c4
Nxe3 14. fxe3 Bb4+ 15. Ke2 Ke7 16. a3 Bd6 17. g4 Rag8 18. Bc2 h5 19. Kf3 hxg4+
20. hxg4 Kf8 21. Be4 Kg7 22. a4 Bc7 23. b3 Rxh1 24. Rxh1 Rh8 25. Rxh8 {
Gurrea Martinez,J (1880)-Lorente Ibanez,L (1944)/Alfaro 2001/EXT 2003/1/2 (54)}
) ({RR} 10... Bd6 11. Bd2 Nd7 12. O-O-O O-O-O 13. a3 c5 14. Be3 f5 15. g4 f4
16. dxc5 Nxc5 17. Rxd6 Rxd6 18. Bxc5 Rc6 19. b4 a6 20. Bb3 h5 21. Bd4 Rd8 22.
Bf6 Rd3 23. gxh5 {
1-0 Hasanagic,A (1860)-Holzbauer,J (2123)/Feffernitz 2005/CBM 108 Extra}) 11.
Bf4 Nd7 12. Bc7 Nb6 13. Bd3 Nd5 14. Bg3 f5 15. O-O Nb4 16. Rad1 Nxd3 17. Rxd3
O-O-O 18. Rfd1 Bd6 19. Bh4 Rd7 20. c4 Be7 21. Bxe7 Rxe7 22. d5 cxd5 23. cxd5
Rd7 24. dxe6 Rxd3 25. Rxd3 fxe6 26. f4 Rg7 27. Kf2 Kc7 28. Kf3 h5 29. g3 a6 30.
a4 b5 31. axb5 axb5 32. Ra3 Kb7 33. Re3 Rg6 34. Re5 Kc6 35. b4 Kb6 36. Rc5 Rg8
37. Re5 Rg6 38. Re3 Kb7 39. Rd3 Kc7 40. Rc3+ Kb7 41. Rc5 Kb6 42. Rc8 Rh6 43.
Rg8 Kc6 44. Ke3 Kd5 45. Rc8 h4 46. Rc5+ Kd6 47. Kf3 hxg3 48. Kxg3 Rg6+ 49. Kh2
Kd7 50. Rxb5 Kc6 51. Re5 Kc7 52. Re3 Kb6 53. Rg3 Rh6 54. Rg8 Kb7 55. Kg3 Kc7
56. h4 Kb6 57. Rg5 Kb5 58. h5 Kxb4 59. Kh4 Rh8 60. Rg6 e5 61. fxe5 Kc5 62. Rf6
Kd5 63. Rxf5 Ke6 64. Kg4 Rh6 65. Kf4 (65. Kg5 $4 Rxh5+ 66. Kxh5 Kxf5 $11) 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "3.4"]
[White "Vladov, Lyubomir"]
[Black "Kolev, Nikola Vl."]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1700"]
[BlackElo "1869"]
[PlyCount "114"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bc4 Bg7 7. O-O d6 8.
Qe2 Nf6 9. h3 O-O 10. Rd1 Qc7 ({RR} 10... Bd7 11. Bf4 Rc8 12. a3 a6 13. Rac1
Qb6 14. b4 Be6 15. Nd5 Bxd5 16. exd5 Ne5 17. Nxe5 dxe5 18. Bxe5 Rfd8 19. d6
exd6 20. Bd4 Qc7 21. Qb2 Ne8 22. Be6 Bxd4 23. Rxc7 Bxb2 24. Rxc8 Rxc8 25. Bxc8
{Adams,M (2610)-Nunn,J (2595)/Oviedo 1992/EXT 1997/1-0 (34)}) 11. Bf4 ({RR} 11.
Be3 Bd7 12. Rac1 a6 13. Bb3 Rac8 14. Nd5 Nxd5 15. exd5 Qd8 16. dxc6 Bxc6 17.
Nd4 Bd7 18. Rxc8 Qxc8 19. Rc1 Qb8 20. Qd2 e6 21. Bh6 d5 22. Bxg7 Kxg7 23. Qc3
f6 24. Qc7 Qxc7 25. Rxc7 Rf7 {
Salomon,E (1633)-Vinolas Anglada,L (1612)/Figueres 2016/EXT 2017/1-0 (55)})
11... e5 $146 ({RR} 11... Nh5 12. Bg5 Ne5 13. Nxe5 Bxe5 14. Nd5 Qb8 15. g4 Nf4
16. Bxf4 Bxf4 17. Nxf4 e6 18. Qd2 b5 19. Bf1 Rd8 20. Rac1 a6 21. Bg2 Bb7 22.
Rc3 Ra7 23. Rdc1 Ba8 24. Nd3 b4 25. Rc4 a5 26. Qc2 {
Lorenz,O (1982)-Mucha,A/Germany 2003/EXT 2006/1-0 (33)}) ({RR} 11... Nd7 12.
Nb5 Qb8 13. Nxd6 a6 14. Nxc8 Qxc8 15. Rac1 e5 16. Be3 Rd8 17. Ng5 Rf8 18. Bxf7+
Rxf7 19. Qc4 Nf6 20. Nxf7 Kf8 {1-0 Yarovoy,A-Dementev,Y/Sukhumi 2006/EXT 2011})
({RR} 11... a6 12. Rac1 Na5 13. Nd5 Nxd5 14. Bxd5 Qb6 15. e5 e6 16. Be4 d5 17.
Bb1 Bd7 18. Nd4 h6 19. h4 Nc4 20. b3 Na3 21. Be3 Bxe5 22. Nf5 Bb5 23. Nxh6+ Kg7
24. Qg4 d4 25. Rxd4 f5 26. Qd1 {
Felix,R (2006)-Sousa e Silva,M (1800)/Brasilia 2013/CBM 154 Extra/1-0 (33)})
12. Be3 a6 13. Rac1 Qe7 14. Bb6 (14. Qd3 $142) 14... Be6 15. Nd5 Bxd5 16. exd5
Nb8 17. Bb3 Nbd7 18. Be3 Rac8 19. a4 Ne4 20. Bc2 Ndf6 21. Ng5 Nc5 22. b4 Ncd7
23. Nf3 Rc7 24. Bb1 Rfc8 (24... Rxc1 25. Bxc1 Nb6 26. Qa2 e4 27. Nh2 Rc8 $19)
25. Rxc7 Rxc7 26. Qd2 Qd8 27. Nh2 Qc8 28. Ng4 Nxg4 29. hxg4 f6 $2 (29... e4 $1
$17) 30. g3 Qe8 31. Be4 Bf8 32. Kg2 Be7 33. a5 Nf8 34. Bb6 Rc4 35. Bd3 Rc8 36.
b5 axb5 37. Rb1 Bd8 38. Rxb5 Qf7 39. Qb4 (39. Bxd8 Rxd8 40. Qb4 Rd7 41. Rb6 $18
) 39... f5 (39... Nd7 $142 $14) 40. gxf5 Bxb6 41. Rxb6 gxf5 42. Qxd6 e4 43. Bb1
{טאדנאללא #} Qh5 $4 (43... e3 44. fxe3 Qh5 45. Qh6 Qe2+ 46. Kh3 Rc1 47. Qg5+
$11) 44. Qa3 $1 Rc7 45. d6 Rg7 46. Ba2+ (46. Rb5 $18) 46... Kh8 47. Qc3 $2 (47.
d7 $142 $18) 47... f4 48. Bc4 f3+ $4 (48... Ng6 $1) 49. Kg1 Qh3 50. Bf1 Qd7 51.
a6 (51. Qe5 $142 $18) 51... bxa6 52. Rb8 Qxd6 {טאדנאללא #} 53. Rb7 $4 (53. Re8
$1) 53... Qh6 $4 (53... Nd7 54. Qc8+ Qf8 55. Qxf8+ Nxf8 56. Rb8 Rf7 57. Bxa6
$11) 54. Rf7 Kg8 55. Bc4 $4 (55. Rf6 $142 $18) 55... Rxf7 56. Bxf7+ Kxf7 57.
Qc4+ Qe6 0-1

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.04"]
[Round "3.8"]
[White "Georgiev, Nikolay Zh."]
[Black "Kononenko, Vladimir"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1585"]
[BlackElo "1375"]
[PlyCount "85"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 h6 5. a3 Bc5 6. Nf3 d6 7. Na4 Bb6 ({RR} 
7... Bg4 8. Nxc5 dxc5 9. h3 Bd7 10. b4 Qe7 11. O-O O-O 12. Bb2 Rad8 13. Re1 Bc8
14. Bd5 Nd4 15. bxc5 Qxc5 16. Nxd4 exd4 17. Bb3 Rfe8 18. Qd2 Be6 19. Qb4 Qb6
20. e5 Qxb4 21. axb4 Bxb3 22. cxb3 {
Sermek,D (2577)-Halkias,S (2560)/Terme Zrece 2003/CBM 097/1-0 (62)}) 8. Nxb6
axb6 9. h3 Na5 $146 ({RR} 9... O-O 10. Be3 ({RR} 10. g4 Be6 11. g5 hxg5 12.
Bxg5 Bxc4 13. dxc4 Qd7 14. Bxf6 gxf6 15. Nh4 Rfe8 16. Nf5 Kf8 17. Qh5 Ne7 18.
Qh8+ {1-0 Wasserman,A (1690)-Swift,R (1722)/Winnipeg 2009/EXT 2011}) 10... Bd7
11. g4 Nh7 12. c3 Ne7 13. g5 h5 14. Nh4 g6 15. Qf3 Be6 16. Bxe6 fxe6 17. Qg3
Qd7 18. O-O Qb5 19. Bc1 Rf7 20. Rb1 Rxa3 21. bxa3 Qxb1 22. Ng2 Qc2 23. c4 Nc6
24. f4 {
Navarro Gil,R (1724)-Munoz Benitez,L (1399)/Campos 2016/EXT 2017/1-0 (36)}) ({
RR} 9... Qe7 10. O-O g5 11. Nh2 Bd7 12. c3 Rg8 13. f3 Nd8 14. g4 Ne6 15. Bxe6
Bxe6 16. c4 Nd7 17. b4 f6 18. Rf2 c5 19. Bd2 Kf7 20. Nf1 h5 21. Ng3 h4 22. Ne2
Ra7 23. b5 Rga8 24. a4 {Grob,H-Kovacs,M/Vienna 1947/EXT 1999/1/2}) 10. Ba2 Be6
11. Bxe6 fxe6 12. Be3 Nc6 13. Qe2 b5 14. O-O O-O 15. Nd2 d5 16. Bc5 Rf7 17. f4
b6 18. fxe5 bxc5 19. exf6 Rxf6 20. Rxf6 Qxf6 21. c3 b4 22. Rf1 Qg6 23. Nb1 Rf8
24. Rxf8+ Kxf8 25. exd5 exd5 26. Qf3+ Qf7 27. Qxf7+ Kxf7 28. Kf2 b3 29. Nd2 Na5
30. Ke3 Ke6 31. c4 d4+ 32. Ke4 c6 33. g3 g6 34. Kf4 Kf6 35. h4 h5 36. g4 hxg4
37. Kxg4 Kf7 38. Kg5 Kg7 39. Ne4 Nb7 40. Kf4 Kf7 41. Ke5 Ke7 42. a4 Kf7 43.
Nd6+ 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "4.2"]
[White "Karaivanova, Petya"]
[Black "Kostov, Nikolay"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1586"]
[BlackElo "1653"]
[PlyCount "44"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O d6 6. c3 O-O 7. Nbd2 Be6 ({RR} 
7... Nh5 8. g3 Bg4 9. Kh1 Qd7 10. b4 Kh8 11. Qb3 Nd8 12. d4 f5 13. exf5 Qxf5
14. Bd5 Nf6 15. Nh4 Qh5 16. Bg2 g5 17. Nhf3 e4 18. Ng1 Be6 19. Qd1 Ng4 20. Nh3
d5 21. Qe2 Nf7 22. f3 {
Cvorovic,D (2430)-Nikolac,J (2435)/Solin 1998/EXT 2000/0-1 (64)}) 8. Bb5 ({RR} 
8. Re1 Bxc4 9. Nxc4 h6 10. Qc2 Qd7 11. h3 Rad8 12. Be3 b6 13. Rad1 d5 14. Ncxe5
Nxe5 15. Nxe5 Qd6 16. Nf3 c5 17. e5 Qe6 18. exf6 Bxf6 19. Bxh6 Qf5 20. Bd2 d4
21. cxd4 cxd4 22. Re4 Rc8 {Chekhani,A-Roganovic,N/Prague 2016/CBM 174 Extra/1-0
}) 8... Nd7 $146 ({RR} 8... a6 9. Ba4 b5 ({RR} 9... Nd7 10. d4 Bg4 ({RR} 10...
exd4 11. Nxd4 Nxd4 12. cxd4 d5 13. Bb3 Nb6 14. e5 f6 15. exf6 Bxf6 16. Ne4 Bf7
17. Nxf6+ Qxf6 18. Be3 a5 19. Qg4 Be6 20. Qg3 Qf7 21. Rae1 Rae8 22. Bd2 Ra8 23.
Bc2 Nc4 24. Bc1 Nd6 25. Qh4 {
Golubev,R-Chan,Y (2260)/Vung Tau 2008/EXT 2009/1/2 (45)}) 11. d5 Ncb8 12. h3
Bh5 13. Bc2 c6 14. c4 b5 15. b3 Nc5 16. Re1 Nbd7 17. g4 Bg6 18. Nf1 bxc4 19.
bxc4 Nb6 20. Qe2 Rc8 21. Ng3 Qc7 22. Be3 f6 23. Bxc5 dxc5 24. Nf5 {
Radivojevic,I (2204)-Biljanic,L (2268)/Golubac 2003/CBM 096 Extra/1-0 (67)})
10. Bc2 Nd7 11. d4 exd4 12. cxd4 Bg4 13. h3 Bh5 14. Nb3 Nb4 15. Bb1 c5 16. a3
Nc6 17. dxc5 dxc5 18. Qd5 Bxf3 19. Qxc6 Ne5 20. Qb7 Be2 21. Re1 Bc4 22. Nd2 Be6
23. b4 {Shurpak,A-Malysheva,P/St Petersburg 1999/EXT 2002/0-1 (34)}) 9. Re1 a6
10. Ba4 b5 11. Bc2 d5 12. exd5 Bxd5 13. Nf1 Bf6 14. Ng3 g6 15. Bh6 Re8 16. Nd2
Bh8 17. Nge4 Bg7 18. Bxg7 Kxg7 19. Bb3 Bxb3 20. Qxb3 f5 21. Ng3 Nc5 22. Qc2
Qxd3 {...?} 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "4.3"]
[White "Kolev, Nikola Vl."]
[Black "Gelemerov, Yane"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1869"]
[BlackElo "2013"]
[PlyCount "55"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d4 Be7 6. c3 a5 ({RR} 6... d5 7. a4
({RR} 7. Qb3 a6 8. a4 c6 9. Bg5 Nbd7 10. Nbd2) 7... b4 8. cxb4 Bxb4 9. a5 Na6 (
{RR} 9... O-O 10. Qb3 Na6 11. Ra4 Qd6 12. Bf4 Qe7 13. Bd2 Bxd2 14. Qxb7) 10.
Bd2 O-O 11. Ne5 ({RR} 11. Qb3 Qd6 12. Bxb4 Nxb4 ({RR} 12... Qxb4 13. Qxb4 Nxb4
14. Rc1 Rfc8 15. Ra4 Na6 16. b4) 13. Ra4 Na6) 11... Rb8 12. Qa4 Ba8 13. Nd3 ({
RR} 13. Nc6 Bxc6 14. Qxc6 Bxd2 15. Qxa6 Rxb2) 13... Bd6 14. Rc1 ({RR} 14. b4
Qe8) 14... Ne4 15. Be3 Nb4 16. Nc3 Bc6 17. Qd1 Nxd3 18. exd3 ({RR} 18. Qxd3
Nxc3 19. Qxc3 Bb5) 18... Nf6 ({RR} 18... Nxc3 19. bxc3) 19. Ne4 dxe4 20. Rxc6
exd3 21. b3 {Azmaiparashvili,Z (2660)-Salov,V (2670)/Madrid 1996/CBM 053/
[Azmaiparashvili]/1/2 (38)} ({RR} 21. d5 exd5 ({RR} 21... Nxd5 22. Bxa7 Rxb2
23. Bd4 Rb4 24. Qxd3) 22. Bxa7 Rxb2 23. Bd4 Rb4 24. Qxd3)) 7. Bg5 ({RR} 7. a4
b4 8. Nbd2 O-O 9. c4 d5 10. b3 c5 11. Bb2 Nbd7 12. Rc1 Rc8 13. e3 cxd4 14. Nxd4
Nc5 15. Qe2 Nfe4 16. Nxe4 dxe4 17. Rcd1 Qb6 18. Nb5 Nxb3 19. Qg4 g6 20. Rd7
Rce8 21. Rfd1 Bc6 {
Pribyl,J (2271)-Druska,J (2364)/Prague 2014/CBM 161 Extra/0-1 (45)}) 7... O-O
8. Nbd2 Na6 $146 ({RR} 8... d6 9. a4 b4 10. Ne1 Bxg2 11. Nxg2 Nbd7 12. e4 c5
13. Ne3 Rb8 14. Qc2 Qc8 15. Bxf6 Bxf6 16. d5 Nb6 17. Qd3 Re8 18. Ndc4 Qa6 19.
Rfd1 bxc3 20. bxc3 Nxc4 21. Nxc4 exd5 22. Qxd5 Bxc3 23. Nxd6 {
Nguyen,V (2517)-Iordachescu,V (2637)/Jakarta 2012/EXT 2013/0-1 (50)}) 9. Re1 h6
10. Bxf6 Bxf6 11. e4 d6 12. Qe2 Qd7 13. e5 Be7 14. h4 Rfd8 15. Rad1 Rab8 16. g4
g6 17. Ne4 Kg7 18. g5 Bxe4 19. Qxe4 Rh8 20. d5 hxg5 21. hxg5 exd5 22. Qd4 Kh7
23. Qxd5 Kg8 24. e6 fxe6 25. Rxe6 Kf8 26. Ne5 Qe8 27. Nc6 Rh7 28. Rde1 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "4.5"]
[White "Ruschukov, Boyan"]
[Black "Babatov, Martin"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1828"]
[BlackElo "1711"]
[PlyCount "55"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 b6 2. e4 Bb7 3. f3 e6 4. c4 Bxe4 $6 ({RR} 4... g6 5. Nc3 d6 6. Bd3 Qh4+
7. g3 Qf6 8. Be3 Bh6 9. f4 Qe7 10. Nf3 f5 11. O-O Nf6 12. exf5 exf5 13. Re1 O-O
14. d5 Qd7 15. Bd4 c5 16. Bxf6 Rxf6 17. Re3 Na6 18. Qe2 Nc7 19. Re1 {
Onischuk,A (2672)-Short,N (2698)/Poikovsky 2012/CBM 151/1/2 (64)}) 5. fxe4 Qh4+
6. Kd2 $146 ({RR} 6. Ke2 Qxe4+ 7. Kf2 ({RR} 7. Be3 f5 ({RR} 7... Nf6 8. Qd3
Qg4+ 9. Nf3 Nc6 10. h3 Qh5 11. Rg1 Nb4 12. Qd1 Qf5 13. Nc3 Nh5 14. g4 Nf4+ 15.
Bxf4 Qxf4 16. Qd2 Qd6 17. a3 Na6 18. Kf2 c5 19. Rd1 O-O-O 20. Nb5 Qb8 21. d5
Be7 22. d6 {Divilly,P (1514)-White,G (1718)/Sunningdale 2014/EXT 2015/0-1 (53)}
) 8. Nc3 Qc6 9. Kf2 ({RR} 9. Qd3 Nf6 10. d5 Qb7 11. g3 Na6 12. Bg2 Bc5 13. Nf3
O-O 14. Bxc5 Nxc5 15. Qd4 exd5 16. Nxd5 Rae8+ 17. Kf1 c6 18. Nxf6+ Rxf6 19. Re1
Re4 20. Qd2 Qa6 21. b3 d5 22. Ng5 Rxe1+ 23. Kxe1 h6 {
Tiller,B (2361)-Frank,A (1920)/Davos 2011/CBM 144 Extra/1/2 (31)}) 9... Nf6 10.
Be2 d5 11. cxd5 exd5 12. Bb5 Ne4+ 13. Kf3 Nf6 14. Bxc6+ {
1-0 Angelov,G (2128)-Petrov,A (1833)/Sofia 2016/CBM 170 Extra}) 7... Qf5+ 8.
Nf3 Nc6 9. Bd3 Qa5 10. Nc3 Qa6 11. Re1 O-O-O 12. Bf4 Nb4 13. a3 Nxd3+ 14. Qxd3
Nf6 15. Nb5 d6 16. c5 Qb7 17. cxd6 c6 18. Rac1 Kd7 19. Ne5+ Kc8 20. Rxc6+ Kb8 {
Ter Haar,T-Meijers,H/The Hague 1873/EXT 2007/1-0}) 6... Qxe4 7. Nf3 Bb4+ 8. Nc3
Nc6 9. a3 Bxc3+ 10. bxc3 Nf6 11. Bd3 Qg4 12. Qe2 O-O 13. Kc2 d5 14. Ne5 Nxe5
15. dxe5 dxc4 16. Bxc4 Qxe2+ 17. Bxe2 Nd7 18. Bf4 h6 19. Rad1 Rfd8 20. Bf3 Rab8
21. Rd2 Nc5 22. Rhd1 Rxd2+ 23. Rxd2 Kf8 24. Be3 Ke7 25. Bc6 Rc8 26. Bxc5+ bxc5
27. Rd7+ Kf8 28. Bb7 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "5.2"]
[White "Karaivanova, Petya"]
[Black "Kolev, Nikola Vl."]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1586"]
[BlackElo "1869"]
[PlyCount "26"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 O-O 8.
Qd2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Nxd5 cxd5 12. c3 e5 13. Bh6 $146 (13. Rd1
$142 $15 {RR} Bb7 14. Be2 Re8 ({RR} 14... Qh4+ 15. Bf2 Qa4 16. O-O Rfe8 17. Kh1
Qc6 18. Rfe1 Rad8 19. Bf1 h6 20. Qc2 a6 21. Qb3 Re6 22. Rd2 Rde8 23. Qd1 Kh7
24. Rde2 f5 25. f4 exf4 26. Rxe6 Rxe6 27. Rxe6 Qxe6 28. Bd4 g5 29. b4 {
Sorri,K (2305)-Raaste,E (2380)/Helsinki 1990/EXT 2000/1/2 (31)} {RR} Kg6 30. a4
Bf8 31. Qe2 Qxe2 {
1/2 Sorri,K (2305)-Raaste,E (2380)/Helsinki 1990/EXT 2000 (31)}) ({RR} 14...
Qa5 15. O-O Rfe8 16. a3 Rad8 17. b4 Qa4 18. Bd3 Rc8 19. Bc5 Bf8 20. Bxf8 Rxf8
21. Qb2 Rc7 22. Rc1 Qd7 23. Rfe1 Qd6 24. c4 dxc4 25. Rxc4 Re7 26. Be4 {
1/2 Ravier,O (1899)-Palu,A (2152)/Vicente Lopez 2016/CBM 173 Extra}) 15. O-O d4
16. Bf2 Rc8 17. Bb5 Bc6 18. Ba6 Rb8 19. cxd4 exd4 20. b3 Bb5 21. Bxb5 Rxb5 22.
Qc2 h5 23. Rd3 Rd5 24. Rfd1 Qg5 25. Kf1 Qf5 26. Qd2 Red8 27. Qb4 Kh7 28. Qe7 {
Mazzoleni,J-Bronstein,L/Buenos Aires 1972/EXT 1999/0-1 (61)} {RR} R5d7 29. Qe2
Bf6 30. Qb2 a5 31. Qe2 Re7 32. Qb2 Red7 33. Qc2 Rd5 34. Qc7 R5d7 35. Qc4 Qd5
36. Qxd5 Rxd5 37. g3 a4 38. bxa4 Ra8 39. Bxd4 Rad8 40. Bxf6 Rxd3 41. Rxd3 Rxd3
42. Ke2 Ra3 43. h4 {Mazzoleni,J-Bronstein,L/Buenos Aires 1972/EXT 1999/0-1 (61)
}) 13... Qh4+ 0-1

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "5.6"]
[White "Babatov, Martin"]
[Black "Georgiev, Nikolay Zh."]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1711"]
[BlackElo "1585"]
[PlyCount "57"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Qb3 Nc6 ({RR} 5... e6 6. Nf3 Bd6
7. Bg5 Nbd7 8. e3 O-O 9. Bd3 Re8 10. O-O Qb6 11. Qxb6 axb6 12. Nb5 Bb8 13. a3
Nf8 14. Rac1 Bd7 15. Rc2 Bxb5 16. Bxb5 Rd8 17. Rfc1 Bd6 18. Nd2 N8d7 19. f3 h6
20. Bh4 {Pavlov,V (1561)-Kosteski,M (1494)/Tri Buki 2016/CBM 170 Extra/1/2 (34)
}) 6. e3 Rb8 $146 ({RR} 6... e6 7. Nf3 Bd6 ({RR} 7... Be7 8. Be2 O-O 9. O-O a6
10. Bd2 b5 11. Rac1 Bb7 12. a4 b4 13. Na2 Qb6 14. Bd3 Rfc8 15. Ng5 h6 16. Nf3
Nd7 17. g4 Na5 18. Qd1 Nc4 19. b3 Nb2 20. Qe2 Nxd3 21. Qxd3 a5 22. Rfe1 {
Stavenhagen,J (1848)-Crombleholme,A (2098)/Dresden 2005/EXT 2006/0-1 (38)}) ({
RR} 7... a6 8. Be2 Bd6 9. Bd2 b5 10. a3 Bb7 11. Na2 Na5 12. Bxa5 Qxa5+ 13. Nd2
Ne4 14. Rd1 Rc8 15. Nb4 O-O 16. O-O Rc7 17. Nxe4 dxe4 18. Rc1 Rfc8 19. Rc3 Rxc3
20. bxc3 Qc7 21. Rc1 a5 22. Na2 {
Fassmann,K (1927)-Wimmer,H (2148)/Schloss Schney 2005/EXT 2006/0-1 (33)}) 8.
Bd2 O-O 9. Rc1 a6 10. Bd3 Na5 11. Qd1 b5 12. a4 b4 13. Na2 Qb6 14. O-O Bb7 15.
Ne5 Rfc8 16. Rxc8+ Bxc8 17. Nc1 Bxe5 18. dxe5 Nd7 19. Qh5 g6 20. Qg5 Nc6 21. f4
{Hrishikesh,C (2008)-Debashis,D (2294)/Mumbai 2008/CBM 124 Extra/0-1 (41)}) 7.
Bd3 Bg4 8. Nf3 e6 9. Bd2 Bd6 10. Nb5 Be7 11. Rc1 Bxf3 12. gxf3 O-O 13. Rg1 a6
14. Nc3 Bd6 15. h3 Nh5 16. a3 Qh4 17. Qc2 f5 18. Ke2 Rf6 19. Rg2 Qxh3 20. Rcg1
Bh2 21. Na4 Bxg1 22. Rxg1 Qh2 23. Qc1 Rbf8 24. Nc5 Nd8 25. Nd7 Rg6 26. Rxg6
hxg6 27. Nxf8 Kxf8 28. Qc8 Qd6 29. Bb4 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "5.8"]
[White "Kononenko, Vladimir"]
[Black "Hristov, Ivan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1375"]
[PlyCount "105"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. b4 Bb6 7. a4 a6 8. a5 Ba7
9. Qb3 O-O 10. O-O d6 11. h3 Qe7 12. Be3 Bxe3 13. fxe3 Be6 14. Nbd2 Rfd8 15.
Bxe6 $146 ({RR} 15. Bd5 Rab8 16. Rfe1 Qd7 17. Kh2 Ne7 18. Bxe6 Qxe6 19. Qxe6
fxe6 20. d4 Ng6 21. g4 Rd7 22. Kg3 Rf8 23. h4 Rdf7 24. Rf1 exd4 25. exd4 d5 26.
h5 Nxe4+ 27. Nxe4 dxe4 28. Nd2 Nf4 29. Rfe1 Nd5 {
Collmann,J (1473)-Blumenstein,M (1293)/Bensdorf 2001/EXT 2003/0-1 (33)}) 15...
Qxe6 16. Qb2 b6 17. d4 Ne7 18. d5 Qd7 19. c4 c6 20. axb6 Rdb8 21. dxc6 Qxc6 22.
b5 Qxb6 23. Qc3 axb5 24. cxb5 Qxb5 25. Qc7 Qd7 26. Qxd7 Nxd7 27. Rxa8 Rxa8 28.
Nc4 Nc8 29. Nh4 g6 30. Nf3 Nf6 31. Nfxe5 Kg7 32. Nc6 Nxe4 33. Nd8 Nf6 34. Nb7
d5 35. Ne5 Ne7 36. Nd6 Rf8 37. h4 h5 38. Kh2 Neg8 39. Kh3 Nh6 40. g3 Nfg4 41.
Nxg4 Nxg4 42. e4 dxe4 43. Nxe4 f5 44. Ng5 Re8 45. Rc1 Re7 46. Rc6 Re2 47. Rc7+
Kf8 48. Rc8+ Ke7 49. Nf3 Rf2 50. Rc7+ Kf6 51. Rc6+ Kg7 52. Rc3 Ra2 53. Rb3
1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "6.2"]
[White "Vladov, Lyubomir"]
[Black "Petkov, Martin"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1700"]
[BlackElo "1798"]
[PlyCount "53"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bb5 Nc6 7. Bxc6 bxc6 8.
O-O Be7 9. d3 $146 ({RR} 9. Re1 O-O 10. d3 Nb6 11. Nbd2 f6 12. c4 Qc7 13. Rc1
Qb7 14. Ba3 Qa6 15. Nb1 Rd8 16. cxd5 cxd5 17. d4 Nd7 18. dxc5 fxe5 19. Nxe5 Bg5
20. Rc2 Nxe5 21. Rxe5 Bf6 22. Re1 e5 23. Qe2 Qc6 {
Makris,I-Szabo,L (2185)/Aghia Pelagia 2004/CBM 101 Extra/0-1 (33)}) 9... O-O
10. Nbd2 f6 11. Qe2 f5 12. d4 Qb6 13. Rfd1 cxd4 14. Nxd4 c5 15. Nb5 Ba6 16. a4
Rfb8 17. c4 d4 18. b4 Bxb5 19. axb5 a6 20. bxc5 Bxc5 21. Nf3 axb5 22. Rxa8 Rxa8
23. Bxd4 Bxd4 24. Nxd4 bxc4 25. Qxc4 Nxe5 26. Qxe6+ Qxe6 27. Nxe6 1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "6.4"]
[White "Ruschukov, Boyan"]
[Black "Gelemerov, Yane"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1828"]
[BlackElo "2013"]
[PlyCount "93"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 c6 7. O-O Qc7 8. Re1
a6 ({RR} 8... Nf8 9. Rb1 ({RR} 9. d5 c5 10. Rb1 Ng6 11. b4 b6 12. bxc5 bxc5 13.
Bf1 O-O 14. h3 Bd7 15. Bd2 Rfb8 16. Qc2 Rxb1 17. Rxb1 Rb8 18. Rb3 Rxb3 {
1/2 Holl,H (2101)-Krouwel,R (1779)/Utrecht 2015/CBM 166 Extra}) 9... Ng6 10. b4
O-O 11. a3 a6 12. dxe5 dxe5 13. c5 Bg4 14. h3 Rad8 15. Qb3 Bxf3 16. Bxf3 h6 17.
g3 Nh7 18. h4 Bxh4 19. gxh4 Nxh4 20. Nd1 Qe7 21. Bg2 Ng5 22. Qg3 Qf6 23. Bxg5 {
Moldobaev,E (2442)-Kuzmin,G (2546)/Krasnodar 1999/CBM 075/1-0 (40)}) 9. a4 O-O
$146 ({RR} 9... a5 10. d5 Nc5 11. Bf1 O-O 12. h3 Ne8 13. Be3 Qb6 14. Ne2 Bd7
15. Nd2 Qb4 16. Nc1 f5 17. exf5 Bxf5 18. Ndb3 Nxb3 19. Nxb3 cxd5 20. cxd5 {
1/2 Grebenkin,V-Gorbatov,A (2375)/Stare Mesto 1992/EXT 1997}) 10. b3 Re8 11.
Bb2 Nf8 12. d5 Ng6 13. g3 h6 14. a5 Bh3 15. Nd2 Rad8 16. b4 Rf8 17. b5 cxd5 18.
cxd5 Bc8 19. Nb3 Nd7 20. Rc1 Nc5 21. Na4 axb5 22. Bxb5 Bd7 23. Qe2 Rc8 24. Bxd7
Qxd7 25. Nb6 Qd8 26. Nxc8 Nxb3 27. Nxe7+ Nxe7 28. Rc4 Nxa5 29. Ra4 b6 30. Bc3
Nb7 31. Rea1 Qd7 32. Ra8 Nc8 33. Bb4 f5 34. f3 h5 35. exf5 Qxf5 36. Rc1 Nc5 37.
Bxc5 bxc5 38. Qe4 Qf7 39. Rb1 Ne7 40. Rbb8 Ng6 {טאדנאללא #} 41. Rxf8+ (41.
Qxg6) 41... Nxf8 42. Ra6 Qf6 43. f4 Ng6 44. fxe5 Nxe5 45. Qf4 Qg6 46. Rb6 c4 $4
{טאדנאללא #} (46... Kh7 $11) 47. Qxe5 1-0

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "6.5"]
[White "Babatov, Martin"]
[Black "Kostov, Nikolay"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1711"]
[BlackElo "1653"]
[PlyCount "70"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. d4 Nf6 2. c4 e6 3. Bf4 d5 4. e3 Nbd7 ({RR} 4... Bd6 5. Bxd6 cxd6 6. Nc3 dxc4
7. Bxc4 O-O 8. Nf3 b6 9. O-O d5 10. Bb5 Ba6 11. a4 Bxb5 12. axb5 a5 13. Ne5
Nfd7 14. Nd3 Ra7 15. Qd2 Rc7 16. Rfc1 Qe7 17. Na4 Rfc8 18. Rxc7 Rxc7 19. Rc1 {
Novikov,M (2500)-Kosov,I (2386)/Tula 2006/EXT 2010/1-0 (40)}) 5. Nc3 Bb4 ({RR} 
5... a6 6. a3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. Bf3 Bxf3 10. Qxf3 c5 11. Nge2 Be7
12. O-O O-O 13. Rfd1 Qb6 14. dxc5 Nxc5 15. b4 Ncd7 16. Rd2 Rac8 17. Rad1 Nb8
18. Bd6 Bxd6 19. Rxd6 Qc7 20. h3 {
Bucinskas,L (1765)-Dambrauskas,V (2330)/Plunge 2011/EXT 2012/1/2 (49)}) 6. a3
Bxc3+ $146 ({RR} 6... Be7 7. Nb5 O-O 8. Nxc7 Rb8 9. Nb5 Ra8 10. c5 a6 11. Nc3
h6 12. Qf3 Re8 13. Be2 b6 14. c6 Nb8 15. c7 Qd7 16. cxb8=Q Rxb8 17. Bxb8 {
1-0 Marjankowski,S-Boehme,M/Germany 1997/EXT 2001}) 7. bxc3 b6 8. Nf3 Bb7 9. h3
O-O 10. Be2 Ne4 11. Qc2 c5 12. cxd5 exd5 13. O-O Rc8 14. Qb2 c4 15. Rfb1 Re8
16. Nd2 Nxd2 17. Qxd2 Nf6 18. Bf3 Ne4 19. Bxe4 Rxe4 20. a4 Re6 21. a5 Ra8 22.
axb6 Rxb6 23. Qc2 Bc6 24. Ra2 Rxb1+ 25. Qxb1 a5 26. Qb2 a4 27. Qb4 Qe8 28. Bd6
h6 29. Rb2 Kh7 30. Qb6 Qd7 31. Ba3 f5 32. Qc5 Re8 33. Qd6 Qxd6 34. Bxd6 Ra8 35.
Ba3 Rc8 1/2-1/2

[Event "183rd open MGU"]
[Site "Sofia"]
[Date "2017.03.05"]
[Round "6.6"]
[White "Metev, Martin"]
[Black "Georgiev, Nikolay Zh."]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2000"]
[BlackElo "1585"]
[PlyCount "63"]
[EventDate "2017.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Qe2 Qd5
8. Nxc6 ({RR} 8. d4 Bxd4 9. Nf3 Be6 10. c4 Qxc4 11. Qxc4 Bxf2+ 12. Rxf2 Bxc4
13. Nc3 Nxf2 14. Kxf2 O-O-O 15. Be3 Rhe8 16. Rc1 Rd3 17. Re1 b6 18. a3 f6 19.
h4 Kd7 20. Bf4 Rxe1 21. Nxe1 Rd4 22. g3 Kc8 {
Zapata,A (2500)-Rohde,M (2555)/New York 1988/CBM 008/1/2 (62)}) 8... Qxc6 9. d3
({RR} 9. Re1 O-O 10. Qxe4 Qxe4 11. Rxe4 Bf5 12. Re5 Bxf2+ 13. Kxf2 Bxc2 14. Rc5
Be4 15. Rxc7 Bc6 16. Re7 Rfe8 17. Rxe8+ Rxe8 18. Nc3 Re6 19. d4 Rf6+ 20. Kg1
Rd6 21. Be3 h6 22. g3 a5 23. d5 Bxd5 {
Enersen,E (1711)-Vo,H (1375)/Oslo 2015/CBM 167 Extra/1-0 (44)}) 9... O-O 10.
Qxe4 Qxe4 $146 ({RR} 10... Qd7 11. Re1 c6 12. Nc3 b5 13. Nxb5 Ba6 14. Qc4 Bxf2+
15. Kxf2 cxb5 16. Qc3 Qf5+ 17. Kg1 Rac8 18. Qd2 Qc5+ 19. Qe3 Qxe3+ 20. Bxe3
Rxc2 21. b3 Rc3 22. d4 Re8 23. Bf2 Rcc8 24. Rxe8+ Rxe8 25. a4 {
Armbrust,F (1217)-Lahr,T (1001)/Woerrstadt 1999/EXT 2000/1-0 (40)}) 11. dxe4
Re8 12. Re1 Bf5 13. Nd2 Bg6 14. Kf1 Bd6 15. g3 f5 16. f3 Re7 17. exf5 Rxe1+ 18.
Kxe1 Re8+ 19. Kd1 Bxf5 20. Nc4 Kf7 $2 (20... Bc5 $142 $11) 21. Bd2 Bh3 22. c3
Bf1 23. Ne3 (23. Nxd6+ $142 $14) 23... Bd3 24. f4 Bc5 25. Nc2 Bg1 26. h3 Bxc2+
$2 (26... Bf1 $142 $17 27. h4 Be2+ 28. Kc1 Bh2 29. Be1 Bg4 30. Bf2 Re2) 27.
Kxc2 Bf2 28. g4 Bg3 29. Kd3 Kf6 30. Be3 a6 31. Rg1 Rd8+ 32. Bd4+ 1-0

 

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