[Event "Candidates 2005"]
[Site "Memphis"]
[Date "2005.01.22"]
[Round "1"]
[White "O'Bar, Sam"]
[Black "Madden, Michael"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1659"]
[BlackElo "1953"]
[Annotator "Fritz 9 (30s)"]
[PlyCount "84"]
[EventDate "2005.??.??"]
{B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 1. e4
c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 7. O-O Bg7 {last book
move} 8. Nb3 O-O {Black castles and improves king safety} 9. Nd5 b5 10. Nxf6+
Bxf6 11. Qe2 (11. c3 Nc6 $14) 11... Nd7 12. f4 Bb7 13. c3 {Secures d4} Qc7 14.
Be3 Nb6 15. Na5 Nd5 16. Nxb7 Nxe3 17. Qxe3 Qxb7 18. e5 {White threatens to win
material: e5xf6} Bg7 19. Be4 d5 20. Bf3 e6 21. Qd3 Rac8 22. Rf2 Rc7 23. a4 bxa4
(23... Rfc8 24. Qf1 $15) 24. Rxa4 $11 Qb5 25. Qd1 Rb8 26. Qa1 (26. g3 f6 $11)
26... Bf8 $15 27. Kh1 (27. Rxa6 $2 {is no good because of} Bc5 28. b4 Bxf2+ 29.
Kxf2 Rxc3 30. Qxc3 Qxa6 $19) 27... Rb6 (27... Rc4 28. Rxc4 Qxc4 29. Be2 $15)
28. Rc2 Qb3 29. Bd1 Rc4 30. Rd2 Rxa4 31. Qxa4 Qb5 32. Qxb5 axb5 33. b3 Rc6 {
Black threatens to win material: Rc6xc3} 34. Rd3 b4 35. cxb4 Bxb4 36. g3 Rc3
37. Rxc3 Bxc3 {A bishop endgame occured} 38. Kg2 f6 39. exf6 Kf7 {Black
threatens to win material: Kf7xf6} 40. Kf3 Kxf6 41. g4 e5 42. fxe5+ Kxe5
1/2-1/2