[Event "44th Mid-South Open"] [Site "Memphis"] [Date "2004.11.27"] [Round "2"] [White "Cao, Tony"] [Black "Palatnik, Sam"] [Result "0-1"] [ECO "B05"] [WhiteElo "1996"] [BlackElo "2530"] [Annotator "Fritz 9 (30s)"] [PlyCount "88"] [EventDate "2004.??.??"] {B05: Alekhine's Defence: 4 Nf3 Bg4} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. b3 O-O 8. c4 Nb6 9. exd6 cxd6 10. Bb2 Nc6 11. Nbd2 d5 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 dxc4 15. Nxc4 Nxc4 16. Qxc4 Rc8 {last book move } 17. Qe2 Qa5 18. Qe4 Qb4 19. Qxb4 Bxb4 20. a3 (20. Rfc1 a5 $11) 20... Bc3 21. Bxc3 Rxc3 {A double rook endgame occured} 22. Rab1 Rd8 23. Rfc1 {White threatens to win material: Rc1xc3} Rdd3 24. Rxc3 {White has a mate threat} Rxc3 25. Kf1 g5 26. a4 Kg7 27. b4 Rc4 28. f3 h5 29. h3 h4 30. g4 (30. Ke2 $5 Rc2+ 31. Kf1 $17) 30... hxg3 $19 31. Kg2 b6 (31... Kg6 32. Kxg3 Kf5 33. Rd1 $19) 32. a5 bxa5 33. bxa5 Rc5 34. a6 Ra5 {Black threatens to win material: Ra5xa6} 35. Kxg3 Rxa6 {Black has a new passed pawn: a7} 36. Rb5 (36. h4 gxh4+ 37. Kxh4 Ra4+ 38. Kg3 a5 $15) 36... Ra4 $17 37. Rc5 a5 38. Rc8 Rb4 39. Ra8 Rb5 (39... a4 40. Kf2 $19) 40. f4 $17 gxf4+ 41. Kxf4 Rb4+ 42. Kg5 a4 43. h4 Re4 44. Ra5 $4 { causes even greater problems} (44. Ra7 $142 $17) 44... Rxe5+ $3 $19 {A double attack. . . .} (44... Rxe5+ 45. Rxe5 f6+ 46. Kf4 fxe5+ 47. Kxe5 a3 48. Kd4 a2 49. Kc3 a1=Q+ 50. Kb4 Qd4+ 51. Kb3 e5 52. Ka3 Qc3+ 53. Ka2 e4 54. h5 Kh6 55. Kb1 e3 56. Ka2 e2 57. Kb1 e1=Q+ 58. Ka2 Qea1#) 0-1