[Event "US Open"] [Site "Framingham, MA"] [Date "2001.08.12"] [Round "8"] [White "Palatnik, Sam"] [Black "Nsubuga, Grace"] [Result "1-0"] [ECO "E39"] [WhiteElo "2567"] [BlackElo "2159"] [Annotator "Fritz 11 (57s)"] [PlyCount "107"] [EventDate "2001.??.??"] {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Bxc5 7. Bg5 Nc6 8. a3 Be7 9. e3 b6 10. Be2 Bb7 11. O-O Rc8 12. Rfd1 h6 13. Bh4 Nh5 14. Bxe7 Qxe7 {last book move} 15. Qd2 Rfd8 16. Qd6 Nf6 17. Nb5 Kf8 18. Qxe7+ Kxe7 19. Nd6 Rc7 20. b4 Ne8 21. Nxb7 Rxb7 22. Nd4 Rc7 23. Nb5 {White threatens to win material: Nb5xc7} Rcc8 24. f4 a6 {Black threatens to win material: a6xb5} (24... d6 25. Rac1 $11) 25. Nd4 (25. Nc3 Nd6 26. Rac1 g5 $14) 25... Nb8 26. Rac1 d6 27. Kf2 {White king safety dropped} Rc7 28. Rc2 Rdc8 29. Rcd2 f5 (29... Nf6 30. Kf3 $14) 30. g4 $14 {White threatens to win material: g4xf5} Nf6 31. gxf5 Ne4+ {Black forks: d2+f2} 32. Kf3 Nxd2+ 33. Rxd2 {Black wins the exchange} e5 {Black threatens to win material: e5xd4} 34. Ne6 {White threatens to win material: Ne6xc7} Ra7 35. Nxg7 Nd7 36. Nh5 Rf8 {Black threatens to win material: Rf8xf5} 37. Bd3 Nf6 38. Nxf6 Rxf6 39. fxe5 dxe5 40. Ke4 Rc7 41. Rg2 (41. Kxe5 $6 Rd6 $14) 41... Kd6 (41... Rd7 $142 $5 $18 ) 42. Rg8 Rcf7 43. c5+ $1 {Discovered attack: c4, d3-a6} bxc5 44. bxc5+ Kxc5 45. Kxe5 Rc6 46. Rg6 (46. Re8 $142 $5 $18) 46... Re7+ 47. Kf4 Rb6 $4 {cause more grief} (47... Rd7 $142 48. Bc2 Rd8 $16) 48. Rxb6 $18 (48. Bxa6 $6 { is the less attractive alternative} Rb2 $14) 48... Kxb6 49. f6 Re6 (49... Rb7 { does not improve anything} 50. Ke5 Kc5 51. Bxa6 $18) 50. Kf5 Rxe3 51. Be4 Rxa3 (51... Rc3 {there is nothing else anyway} 52. Kg6 Rc8 $18 (52... Rxa3 $4 { Taking that pawn is naive} 53. f7 Rc3 54. f8=Q $18)) 52. f7 Ra2 53. Kf6 Rf2+ 54. Bf5 1-0