[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