[Event "1st Vitosha"] [Site "Bistritsa"] [Date "2015.06.20"] [Round "1.2"] [White "Petrova, Maria"] [Black "Cholakov, Nikolay"] [Result "0-1"] [ECO "B87"] [WhiteElo "1420"] [BlackElo "1753"] [PlyCount "102"] [EventDate "2015.06.20"] [EventType "swiss"] [EventRounds "6"] [EventCountry "BUL"] [SourceDate "2008.07.28"] {B87: Sicilian Scheveningen/Najdorf: 6 Bc4, with early ...b5} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f3 Bb7 9. Be3 Nc6 10. Qd2 Nxd4 11. Bxd4 Be7 (11... Qc7 12. O-O d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. Bxd5 exd5 16. Rfe1+ Be7 17. Bxg7 O-O-O 18. Bxh8 Rxh8 19. Rxe7 Qxe7 20. Qc3+ Kd8 21. Qxh8+ Kd7 22. Qd4 Kd6 23. Qb6+ Ke5 24. Re1+ Kf4 25. Qd4+ Kf5 26. Rxe7 { Smith,J (1714)-Agostini,K Port of Spain 2014 1-0}) 12. O-O-O Qc7 13. g4 O-O-O 14. Qf2 $146 (14. Kb1 Rhg8 15. Rhe1 Nd7 16. Qf2 Bf6 17. f4 Bxd4 18. Qxd4 Nc5 19. f5 Kb8 20. Re2 Nxb3 21. axb3 Qc5 22. b4 Qxd4 23. Rxd4 Rge8 24. fxe6 Rxe6 25. e5 d5 26. Rf2 Rd7 27. Ne4 Rxe5 28. Nc5 Rde7 { Jegourel,C (2054)-Le Ruyet,L (2107) France 2007 1/2 (60)}) 14... Rd7 (14... Rdg8 $5 $14) 15. Kb1 Kb8 16. Rhe1 (16. g5 Ne8 17. Ba7+ Ka8 $16) 16... Ne8 17. Rd3 (17. h4 Bf6 $16) 17... h5 18. gxh5 Rxh5 19. Qg1 Rg5 20. Qf2 Bc6 (20... Rh5 21. Bb6 Qc8 $16) 21. Rg1 (21. a4 Rh5 22. axb5 axb5 $16) 21... Rxg1+ $14 22. Qxg1 Bf6 (22... g6 23. a3 $14) 23. Bb6 (23. Bxf6 $5 gxf6 24. Ne2 $16) 23... Qb7 $14 24. Bd4 (24. Nd5 Bd8 25. Bxd8 Rxd8 $14) 24... Bxd4 25. Rxd4 a5 26. a3 Rc7 27. Qe3 Qb6 28. Rd3 (28. f4 $5 $11) 28... Qxe3 $15 29. Rxe3 Ka7 30. Ne2 Kb6 31. Kc1 (31. Rd3 Rd7 $15) 31... Nf6 32. Kd2 (32. Nd4 Rc8 $15) 32... d5 (32... Rc8 $5 $17) 33. e5 $15 Nd7 34. Nd4 (34. f4 Nc5 $15) 34... Nc5 (34... Rc8 35. c3 $17 ) 35. Rc3 (35. c3 $5 $15) 35... Rc8 $17 36. Re3 Rh8 37. Re2 Rh4 38. Ke3 f6 39. exf6 gxf6 40. c3 Nxb3 41. Nxb3 e5 42. Rg2 Rf4 (42... Rh3 43. Nd2 $17) 43. Rg4 ( 43. Nd4 $142 $5 $11) 43... d4+ $1 $17 44. Kd2 $4 (44. cxd4 Bxf3 { Discovered attack}) 44... Rxf3 $19 45. Rh4 (45. Rg3 dxc3+ 46. bxc3 Rf2+ 47. Ke1 Rxh2 $19) 45... Rf2+ 46. Kc1 dxc3 47. bxc3 f5 (47... a4 $142 48. Nd2 f5 $19) 48. Rh8 $4 (48. Rh6 $142 $19) 48... a4 49. Nd2 (49. Rb8+ Kc7 50. Na5 Kxb8 51. Nxc6+ Kc7 52. Nxe5 Kd6 53. Nf7+ Kd5 $19) 49... e4 50. Rh3 (50. Nxe4 Bxe4 51. Rb8+ Ka5 $19) 50... f4 51. c4 (51. Nxe4 Bxe4 52. Kd1 $19) 51... e3 (51... e3 52. Kc2 Rxd2+ 53. Kc3 f3 $19) 0-1