[Event "Candidates 2009"] [Site "Memphis,TN"] [Date "2009.01.04"] [Round "4"] [White "Parvathareddy, Rohith"] [Black "Sytnytsky, Alex"] [Result "1-0"] [ECO "A46"] [WhiteElo "1532"] [BlackElo "1426"] [Annotator "Fritz 9 (30s)"] [PlyCount "97"] [EventDate "2009.??.??"] {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 1. d4 e6 2. Nf3 c5 3. c3 Nf6 4. Bf4 Nc6 5. e3 {last book move} Be7 6. Nbd2 Nh5 7. Bg3 d6 { Consolidates e5} 8. Qc2 a6 {Covers b5} (8... cxd4 9. Nxd4 e5 10. Nf5 $11) 9. a4 (9. dxc5 $5 dxc5 10. O-O-O Nxg3 11. hxg3 $16 (11. fxg3 $6 b5 $15)) 9... d5 ( 9... cxd4 10. exd4 f5 11. Bd3 $11) 10. dxc5 $14 Bxc5 11. Nd4 Bxd4 (11... Be7 12. N2f3 $11) 12. exd4 $14 {White has the pair of bishops} Bd7 (12... Qf6 13. Nb3 $14) 13. Bd3 {White threatens to win material: Bd3xh7} (13. Bd6 Bc8 14. Ba3 Qc7 $16) 13... Qb6 (13... Nxg3 14. hxg3 e5 15. Qb3 $11 (15. Bxh7 $143 Qf6 $17)) 14. Nb3 $14 ({Less advisable is} 14. Bxh7 Nxg3 15. hxg3 O-O-O $11) 14... Rc8 15. Nc5 Nxg3 16. hxg3 ({Instead of} 16. fxg3 Ne5 $14) 16... f5 $2 (16... h6 $142 $16) 17. Qe2 $18 Ne7 18. a5 Qc6 19. Nxb7 $4 {there were better ways to keep up the pressure} (19. Qh5+ $142 {and White wins} g6 20. Qh6 $18) 19... Qxb7 $16 20. Bxa6 Qb3 21. Bxc8 Nxc8 22. O-O (22. a6 $5 Na7 23. Qh5+ g6 24. Qh6 $18) 22... O-O $14 23. Ra3 Qc4 $2 (23... Qb7 $142 $5 $14 {would allow Black to play on}) 24. Qxc4 $18 dxc4 25. Rb1 (25. a6 Na7 $18) 25... Na7 $16 26. a6 Rb8 27. b4 {White has a new protected passed pawn: b4} (27. Ra5 $142 $5 $16) 27... Nb5 $14 {Black threatens to win material: Nb5xa3} 28. a7 {White threatens to win material: a7xb8Q} Ra8 {Black threatens to win material: Ra8xa7} 29. Ra6 ( 29. Rba1 $142 Nxa3 30. Rxa3 $14) 29... Nxc3 $4 {Black loses the upper hand} ( 29... Rxa7 $142 30. Ra5 Kf7 $17) 30. Rba1 $18 Nd5 31. Rd6 Bc8 (31... Be8 32. Rxe6 Kf8 33. Ra5 Nxb4 34. Rxf5+ Kg8 35. Rc5 $18) 32. Rd8+ (32. Rc6 Kf7 33. Rxc4 Ke7 $18) 32... Kf7 33. Rxc8 $1 {finishing him off} Rxc8 {Decoy to c8} 34. a8=Q Rxa8 35. Rxa8 c3 $2 (35... Nxb4 $142 36. Ra4 Nd3 $18) 36. b5 Ke7 37. Rc8 Kd7 38. Rc5 g5 {Black prepares f4} 39. Kf1 h5 (39... Kd6 {doesn't get the bull off the ice} 40. Ke2 $18) 40. Ke2 f4 (40... Nb6 {doesn't change the outcome of the game} 41. Kd3 $18) 41. Kd3 (41. Rxd5+ $142 {keeps an even firmer grip} Kc7 42. Rxg5 fxg3 43. Rxg3 Kb6 $18) 41... h4 (41... f3 {does not help much} 42. gxf3 h4 43. b6 Nxb6 44. Rxg5 hxg3 45. fxg3 $18) 42. gxf4 (42. Rxd5+ $142 {and White can already relax} Kc7 43. gxh4 gxh4 44. Rc5+ Kb6 $18) 42... gxf4 (42... g4 { is one last hope} 43. f5 h3 44. gxh3 gxh3 45. fxe6+ Kxe6 46. Rc6+ Kd7 $18) 43. Rxd5+ exd5 44. f3 c2 45. Kxc2 Kc7 46. Kb3 Kb7 47. Ka4 Kc7 (47... Kb6 {doesn't improve anything} 48. Kb4 Kc7 49. Ka5 Kb7 50. b6 Kb8 51. Kb4 Kc8 52. Kc5 Kb7 53. Kb5 Kb8 54. Kc6 Kc8 55. Kxd5 Kd7 56. Kc5 Kd8 57. Kc6 Ke7 58. b7 Kf6 59. b8=Q Kg5 60. Qd8+ Kh5 61. Qf6 h3 62. Qh8+ Kg6 63. Qg8+ Kf5 64. Qf7+ Kg5 65. Qg7+ Kf5 66. gxh3 Ke6 67. h4 Kf5 68. Qf7#) 48. Ka5 $18 Kb7 49. b6 (49. b6 Kc6 50. Ka6 Kd7 51. b7 Kc7 52. Ka7 Kd6 53. b8=Q+ Kd7 54. Qb5+ Ke6 55. Qc6+ Kf7 56. Qxd5+ Kg6 57. Qe4+ Kg5 58. d5 Kf6 59. Qxf4+ Ke7 60. Qxh4+ Kf7 61. Qg5 Ke8 62. Qf6 Kd7 63. Qe6+ Kd8 64. f4 Kc7 65. Qe7+ Kc8 66. Kb6 Kb8 67. Qb7#) 1-0