[Event "Candidates 2005"] [Site "Memphis"] [Date "2005.01.22"] [Round "2"] [White "Van Doren, Jon"] [Black "Sims, Carlos"] [Result "0-1"] [ECO "B06"] [WhiteElo "1294"] [BlackElo "1766"] [Annotator "Fritz 9 (30s)"] [PlyCount "81"] [EventDate "2005.??.??"] {B06: Modern Defence} 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bc4 c6 {last book move} 5. Be3 {Black is behind in developement} Nf6 6. h3 {Black has a cramped position} (6. Nf3 d5 7. Bd3 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nd7 $14) 6... b5 { Black threatens to win material: b5xc4} (6... d5 7. exd5 cxd5 8. Bb3 $11) 7. Bb3 (7. Bd3 O-O $14) 7... b4 $11 8. e5 dxe5 9. dxe5 Qxd1+ ({Instead of} 9... bxc3 10. Qxd8+ (10. exf6 $143 Qxd1+ 11. Rxd1 Bxf6 $15) 10... Kxd8 11. exf6 Bxf6 12. O-O-O+ (12. Bxf7 $2 {is inferior since it leads to} e6 13. b3 Ke7 $19) 12... Nd7 13. bxc3 $14 (13. Bxf7 $143 cxb2+ 14. Kb1 Kc7 $11)) 10. Nxd1 Nd5 11. Nf3 Nd7 12. Bxd5 (12. Bd4 O-O 13. a3 bxa3 14. Rxa3 Nf4 $11) 12... cxd5 { Black has the pair of bishops} 13. Bd4 {A comfortable square for the white bishop} Nb8 14. Ne3 {White threatens to win material: Ne3xd5} Be6 (14... Nc6 15. Rd1 Be6 16. Ng5 $11) 15. O-O (15. a3 $5 $14 {might be a viable alternative} ) 15... Nc6 $15 16. Rad1 O-O ({Not} 16... Nxd4 17. Rxd4 a5 18. Nxd5 $16) 17. Bc5 Rfd8 18. Rd2 (18. Nd4 $5 Rdc8 19. Nxc6 Rxc6 20. Bxe7 Bxe5 21. Nxd5 (21. Bxb4 $143 d4 22. Ng4 Bg7 $17) 21... Rxc2 22. Nxb4 Rxb2 23. Nd3 $11) 18... a5 19. Rfd1 Nxe5 (19... Rdc8 20. Bd4 $17) 20. Nxe5 $15 Bxe5 21. Nxd5 Bxd5 22. Rxd5 Rxd5 {Black has a mate threat} 23. Rxd5 Bxb2 24. Bxe7 f6 (24... Re8 25. Rd8 Rxd8 26. Bxd8 $14) 25. Rd8+ $11 Rxd8 26. Bxd8 a4 27. Kf1 Kf7 28. Ke2 Ke6 29. Kd3 Kd5 30. f3 Be5 (30... Bc3 $142 $15 {and Black hangs on}) 31. Be7 $16 Bc3 32. a3 Be1 33. axb4 Ke6 (33... a3 $5 34. b5 a2 35. Bxf6 Bf2 $16) 34. Bc5 $18 a3 35. Bd4 (35. Kc4 $142 {with excellent chances for White} a2 36. Bd4 $18) 35... Bxb4 $11 36. Ba1 (36. Kc4 $142 $5 {must be considered} Be7 37. Kb3 $11) 36... Bd6 37. c4 $2 (37. Kc4 Kf5 $15) 37... Kf5 (37... Be5 38. Bxe5 Kxe5 39. Kc3 $19) 38. g4+ $2 (38. Kc2 $142 $5 $17) 38... Ke6 $19 39. Ke4 $4 {the pressure is too much, White crumbles} (39. Kc2 Be5 40. Kb3 Bxa1 41. Kxa3 $19) 39... Be5 40. Kd3 Bxa1 41. Kc2 0-1