[Event "Candidates 2007"] [Site "Memphis, TN"] [Date "2007.01.07"] [Round "5"] [White "Craycroft, John"] [Black "Van Doren, Jonathan"] [Result "0-1"] [ECO "D33"] [WhiteElo "1488"] [BlackElo "1431"] [Annotator "Fritz 9 (30s)"] [PlyCount "82"] [EventDate "2007.??.??"] {D33: Tarrasch Defence: 6 g3 sidelines} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg5 Be7 {last book move} 8. e3 a6 {Prevents intrusion on b5} (8... Bg4 9. Be2 $11) 9. Bg2 {Black has an active position} ( 9. dxc5 O-O $14) 9... O-O 10. O-O Bg4 (10... cxd4 11. Nxd4 Be6 12. Rc1 $14) 11. Qb3 {White threatens to win material: Qb3xb7} (11. dxc5 $5 Bxc5 12. Rc1 $16) 11... c4 {Black threatens to win material: c4xb3} 12. Qc2 {Black has an active position} (12. Qxb7 $4 {the pawn is something White will choke on} Na5 13. Qxa8 Qxa8 14. Bxf6 gxf6 $19) 12... Nb4 {Black threatens to win material: Nb4xc2} 13. Qd2 {Black has an active position} Bf5 14. Bxf6 Bxf6 15. Ne5 Bxe5 16. dxe5 { The pressure on d5 grows} Be6 (16... Bd3 $5 {has some apparent merit} 17. Rfc1 Rc8 $11) 17. f4 $14 Qd7 18. a3 {White threatens to win material: a3xb4} (18. e4 $142 $5 {should be investigated more closely} d4 19. Nd5 Bxd5 20. exd5 $14) 18... Nd3 $15 {A beautiful square!} 19. b3 Rab8 (19... Rae8 20. e4 dxe4 21. Bxe4 Qd4+ 22. Kh1 $15) 20. bxc4 (20. f5 $142 $5 {is interesting} Bxf5 21. Nxd5 $11) 20... dxc4 $17 21. Rab1 (21. Be4 Bf5 $17) 21... b5 22. Be4 Rfd8 $4 { Black lets it slip away} (22... Bf5 $17) 23. Qe2 $4 {gives the opponent new chances} (23. f5 $142 $14 {is the best chance}) 23... Bg4 $19 24. Bf3 Bxf3 25. Qxf3 Qb7 (25... Qe7 26. Ne4 $19) 26. Qg4 $2 (26. Qxb7 $142 $5 Rxb7 27. e4 $17) 26... Qb6 $19 27. Rf3 $2 (27. Qf3 Rbc8 $19) 27... Qg6 (27... Qa5 $142 {secures the win} 28. Ne4 Qxa3 29. Nf6+ Kh8 $19) 28. Qxg6 $17 hxg6 29. e4 Nc5 30. f5 ( 30. h3 Rd2 $19) 30... Rd3 (30... gxf5 $142 31. exf5 Rd3 $19) 31. Kf2 $4 { terrible, but what else could White do to save the game?} (31. Rxd3 $142 Nxd3 32. fxg6 fxg6 33. Nd5 $17) 31... Rxc3 $1 $19 {Eliminates the defender c3} 32. Rxc3 {Decoy theme: c3} Nxe4+ {A double attack} 33. Kf3 (33. Ke3 {doesn't do any good} Nxc3 34. Rc1 Na4 35. fxg6 Rd8 $19) 33... Nxc3 (33... Nd2+ $5 { seems even better} 34. Ke2 Nxb1 35. Rf3 gxf5 36. Kd1 Rd8+ 37. Kc2 $19) 34. Rc1 Nd5 (34... Na4 {makes it even easier for Black} 35. fxg6 fxg6 36. Re1 $19) 35. fxg6 fxg6 36. Ke4 Nc7 (36... Rd8 {might be the shorter path} 37. g4 $19) 37. Rd1 (37. Kd4 {is not the saving move} Kf7 $19) 37... Kf8 (37... Ne6 $5 { and Black can already relax} 38. Ke3 Rd8 39. Rd2 $19) 38. Rd6 Ke7 39. Rxg6 (39. Rc6 {otherwise it's curtains at once} Ne6 40. Ke3 $19) 39... Ne6 40. Kd5 Rd8+ 41. Kc6 (41. Ke4 {doesn't get the cat off the tree} c3 42. Rg5 Nxg5+ 43. Ke3 c2 44. e6 c1=Q+ 45. Ke2 Qc2+ 46. Kf1 Rd1#) 41... c3 (41... c3 42. Rxg7+ Nxg7 43. Kc7 c2 44. h4 c1=Q+ 45. Kb7 Rd7+ 46. Kb6 Qc7+ 47. Kxa6 Qc5 48. g4 Ra7#) 0-1