[Event "Candidates 2008"] [Site "Memphis"] [Date "2008.01.06"] [Round "5"] [White "Davison, Edgar"] [Black "Hamelrath, Ed"] [Result "1-0"] [ECO "A48"] [WhiteElo "1826"] [BlackElo "1690"] [Annotator "Fritz 11 (30s)"] [PlyCount "109"] [EventDate "2008.??.??"] {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 Nbd7 7. O-O {last book move} Ne4 8. Nbd2 { White threatens to win material: Nd2xe4} Ndf6 9. c4 c5 (9... Nxd2 10. Qxd2 b6 11. Qc2 $11) 10. Qc2 (10. Nxe4 Nxe4 11. Qc2 f5 $14) 10... Nxd2 $11 11. Nxd2 cxd4 12. exd4 {Black has a cramped position} Bf5 {Black threatens to win material: Bf5xc2} 13. Qb3 b6 14. Bf3 {White plans d5. White threatens to win material: Bf3xa8} Rc8 15. Rfd1 Bd7 (15... Re8 16. Be3 $11) 16. Rac1 {Black has a cramped position} Bc6 17. d5 {White threatens to win material: d5xc6} Ba8 18. Qe3 Re8 19. Bh6 Bh8 (19... e6 20. Bxg7 Kxg7 21. Qd3 $11) 20. h4 {Black has a cramped position} (20. Qa3 Qc7 $14) 20... Nd7 21. b3 e5 22. Ne4 Nc5 23. Ng5 f6 (23... e4 24. Be2 $11) 24. b4 $14 fxg5 25. bxc5 Rxc5 26. Bg4 (26. h5 Qe7 $14) 26... Bg7 (26... gxh4 27. Be6+ Rxe6 28. dxe6 $11) 27. Bxg7 (27. Bxg5 $142 Bf6 28. Be6+ Kg7 29. f4 $16) 27... Kxg7 $11 28. hxg5 Bb7 29. g3 Bc8 30. Be2 Qd7 31. g4 $2 (31. Rc3 $5 $11 {should be investigated more closely}) 31... Qf7 (31... Ba6 $5 32. f3 $19) 32. Rc3 Rf8 33. Qg3 (33. Ra3 Qc7 $17) 33... Qf4 {Black threatens to win material: Qf4xg5} (33... Ba6 34. Rf3 Qe7 35. Rxf8 Kxf8 36. Rc1 Qxg5 37. f4 exf4 38. Rf1 $17) 34. Qh4 (34. Qxf4 Rxf4 35. f3 $17) 34... e4 ( 34... Rc7 $142 $17) 35. Rh3 $11 {White has a mate threat} Rh8 36. Re3 Rc7 ( 36... Re8 37. Rd4 Rc7 38. Qh6+ Kg8 39. Qh2 Qxh2+ 40. Kxh2 $11) 37. Rd4 (37. Qh6+ Kg8 38. Rd4 $16) 37... h6 $2 (37... Re8 $142 $11 {would allow Black to play on}) 38. Rdxe4 $18 Qxg5 39. Qxg5 hxg5 40. Re7+ Rxe7 41. Rxe7+ Kf6 42. Rxa7 Re8 43. Kf1 Re4 44. f3 Rf4 (44... Re3 45. Ke1 $18) 45. Ke1 Rd4 (45... Ke5 $18) 46. Kf2 Rd2 47. Ke3 Rb2 48. Ra3 (48. a4 $142 {seems even better} Ra2 $18) 48... Bd7 49. Rb3 Rxa2 50. Rxb6 Ke5 $2 (50... Ke7 $18) 51. Rb7 Ba4 (51... Bc8 { does not solve anything} 52. Rb8 Ra3+ 53. Bd3 $18) 52. Re7+ Kf6 53. Re6+ Kf7 54. Rxd6 Ra3+ (54... Bb3 {cannot undo what has already been done} 55. c5 Rc2 56. c6 Bxd5 57. Rxd5 Rxc6 58. Rxg5 Re6+ 59. Kd2 $18) 55. Kd4 1-0