[Event "Candidates 2009"] [Site "Memphis,TN"] [Date "2009.01.03"] [Round "1"] [White "Horobetz, Graham"] [Black "Parvathareddy, Rohith"] [Result "1-0"] [ECO "B19"] [WhiteElo "1941"] [BlackElo "1532"] [Annotator "Fritz 9 (30s)"] [PlyCount "111"] [EventDate "2009.??.??"] {B19: Classical Caro-Kann: 4...Bf5 main line} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nf6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Bd6 12. Ne4 Nxe4 13. Qxe4 Nd7 {last book move} 14. Qg4 {White threatens to win material: Qg4xg7} Qf6 (14... Nf6 15. Qh4 $11 (15. Qxg7 $4 {taking the pawn will bring White grief} Rh7 16. Bxh6 Rxg7 17. Bxg7 Qa5+ 18. c3 Qf5 (18... Nxh5 $143 19. Be5 O-O-O 20. Rxh5 $19) 19. Bxf6 Qxf6 $19)) 15. O-O-O O-O-O 16. Kb1 { White has an active position} Nb6 17. Ba5 Rd7 18. Nd2 (18. Bxb6 axb6 19. Rhe1 Rhd8 $14) 18... Rg8 19. c4 (19. Ne4 Qf5 20. Qxf5 exf5 21. Nxd6+ Rxd6 $14) 19... Qf4 {Black threatens to win material: Qf4xg4} ({Instead of} 19... Qxf2 20. c5 Bc7 21. cxb6 axb6 22. Bc3 $18) 20. Rh4 (20. Qxf4 Bxf4 21. Bxb6 axb6 $11) 20... Qxg4 {Black has a mate threat} 21. Rxg4 Bc7 22. b3 {Prevents intrusion on a4} Kb8 (22... f5 23. Rg6 Rxd4 24. Re1 $11) 23. Ne4 (23. Nf3 Rdd8 $14) 23... Rdd8 ( 23... f5 $5 {is interesting} 24. Nf6 fxg4 25. Nxg8 e5 $17) 24. Ng3 Nd7 25. Bxc7+ Kxc7 26. Kc2 Nf6 {Black threatens to win material: Nf6xg4} 27. Rf4 Rd7 28. Ne4 {White threatens to win material: Ne4xf6} Nxh5 29. Rh4 Nf6 30. Nxf6 gxf6 31. Rxh6 Rxg2 {Black pins: Rg2xf2} 32. Rxf6 {A double rook endgame occured.} Rg4 {Black threatens to win material: Rg4xd4} 33. Kc3 Re4 34. Rd3 Rg4 35. Rd1 {Twofold repetition} Rh4 36. Rd3 a6 37. a4 Kd8 38. Kb4 (38. a5 Rh5 $11) 38... Rh5 39. Rdf3 Rh7 40. R6f4 Kc7 41. Kc3 b5 42. axb5 axb5 43. Kb4 bxc4 44. bxc4 Kd6 45. Kc3 Ra7 46. Kd2 Ke7 47. Kc3 Ra3+ 48. Kb4 Rxf3 49. Rxf3 Kd6 50. Ka5 c5 {Black threatens to win material: c5xd4} 51. Kb6 Rh5 $4 {ruins a clearly superior position} (51... cxd4 $142 {had to be tried to avoid defeat} 52. c5+ Ke7 $11) 52. dxc5+ $18 Rxc5 (52... Ke5 {no good, but what else?} 53. c6 Rh4 54. Re3+ Kf5 $18) 53. Rd3+ Rd5 54. cxd5 (54. Rxd5+ $142 {and White has triumphed} exd5 55. c5+ Kd7 $18) 54... exd5 55. f4 f5 (55... f6 $18 {what else?}) 56. Rd4 (56. Rd4 Ke7 57. Rxd5 Kf6 58. Kc7 Ke6 59. Rd7 Kf6 60. Kd6 Kg6 61. Ke5 Kh5 62. Kxf5 Kh6 63. Re7 Kh5 64. Rh7#) 1-0