[Event "Candidates"]
[Site "Memphis"]
[Date "2003.01.05"]
[Round "?"]
[White "Sansom, Mike"]
[Black "Pillai, Sathyan"]
[Result "1/2-1/2"]
[ECO "D07"]
[Annotator "Fritz 9 (30s)"]
[PlyCount "71"]
[EventDate "2003.??.??"]
{D07: Queen's Gambit: Chigorin Defence} 1. d4 d5 2. c4 Nf6 3. Nc3 Nc6 4. Nf3
Bf5 {last book move} 5. Bg5 e6 (5... Ne4 6. cxd5 (6. Nxd5 Nxg5 7. Nxg5 e6
$19) 6... Nxc3 7. bxc3 Qxd5 8. Qb3) 6. cxd5 exd5 7. e3 Be7 {Black has
a very active position} 8. Qb3 {White threatens to win material: Qb3xb7} (8.
Bxf6 Bxf6 9. Qb3 Ne7) 8... Na5 9. Qa4+ c6 {Covers b5} 10. Be2 b5 {
Black threatens to win material: b5xa4} 11. Qd1 {Black has an active position}
O-O 12. O-O h6 13. Bxf6 Bxf6 {Black has the pair of bishops} 14. Rc1 Re8 15. a3
(15. Bd3 Qd7) 15... Qd6 (15... Nc4 16. Qb3) 16. Na2 (16. Bd3 Bxd3 17.
Qxd3 Nc4) 16... a6 {White has a cramped position} (16... Nc4 17. Qb3)
17. Nb4 Nc4 {Black threatens to win material: Nc4xb2} 18. b3 {White threatens
to win material: b3xc4} Nxa3 19. Nxc6 (19. Nd3) 19... Nc2 {Black
has let it slip away} (19... Rac8 20. Nce5 Bc2 (20... Bxe5 21.
dxe5 (21. Nxe5 Bc2 22. Qd2 Bxb3) 21... Qe6 22. Nd4 Qxe5 23. Nxf5 Qxf5
24. Ra1)) 20. Nfe5 ({Less advisable is} 20. Rxc2 Bxc2 21. Qxc2 Rac8)
20... Bxe5 21. Nxe5 {White has a cramped position} Nb4 22. Qd2 f6 23. Nd3 Nxd3
24. Bxd3 Bxd3 25. Qxd3 Rec8 26. Qd2 Rc6 (26... f5 27. Rfd1) 27. Rxc6
Qxc6 28. Rc1 {White threatens to win material: Rc1xc6} Qd7 29. Rc5 Rc8 30. Qc3
Rxc5 31. Qxc5 (31. dxc5 Kf7 32. b4) 31... Qf5 32. f3 Qb1+ {Black
forks: g1+b3} 33. Kf2 Qxb3 {Black has a new protected passed pawn: b5} 34. Qc8+
{White forks: a6+g8} Kf7 35. Qd7+ Kg6 36. Qg4+ 1/2-1/2