[Event "North American Open"] [Site "Memphis, TN"] [Date "2005.12.28"] [Round "5"] [White "Vishnuvardhan, Arjun"] [Black "Mitchell, R O."] [Result "0-1"] [ECO "E49"] [WhiteElo "2192"] [BlackElo "2189"] [Annotator "Fritz 9 (30s)"] [PlyCount "67"] [EventDate "2005.??.??"] {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. Ng3 Ba6 11. O-O Bxd3 12. Qxd3 {last book move} Qc8 13. f3 {Covers e4+g4} Qa6 14. Qd2 (14. Qxa6 Nxa6 15. e4 Rfd8 $14) 14... Re8 15. Bb2 Nc6 {Manoeuvre Nb8-c6-a5-c4} 16. Rae1 Na5 17. e4 Nc4 {A sound move} 18. Qf2 Qb5 {Black threatens to win material: Qb5xb2} (18... Qa5 19. Nf5 $11) 19. Rb1 (19. Bc1 cxd4 20. cxd4 Kh8 $14) 19... Qb3 (19... Qa5 20. e5 Nd7 21. Nf5 $11) 20. e5 $11 {White threatens to win material: e5xf6} Nd7 (20... Nxb2 $2 {doesn't solve anything} 21. Rxb2 (21. Qxb2 $6 Qxb2 22. Rxb2 Nd7 $14) 21... Qxc3 22. exf6 Qxd4 23. Qxd4 cxd4 24. Rd2 $18) 21. f4 Nxa3 (21... cxd4 $5 22. cxd4 b5 $11 (22... Nxb2 $143 23. Rxb2 Qd3 24. f5 $16)) 22. Bxa3 $14 Qxa3 {Black has a new passed pawn: a7} 23. Qd2 Rec8 (23... Qa5 24. Ra1 Qb5 25. Nf5 $14) 24. f5 (24. Nf5 $5 cxd4 25. cxd4 $16) 24... cxd4 $14 25. cxd4 {Black has a new protected passed pawn: b6.} Qc3 26. Qf4 Rc4 {Black threatens to win material: Rc4xd4. Menacing} 27. Rbd1 (27. Ne2 $142 Qd3 28. f6 $11) 27... Kh8 $2 (27... f6 $142 {and Black could well hope to play on} 28. e6 Ne5 $11) 28. Nh5 $18 {White prepares f6} f6 29. Rfe1 (29. e6 $142 Ne5 30. Rfe1 $18) 29... Nxe5 30. Rxe5 (30. Qxe5 fxe5) 30... fxe5 31. Qxe5 Rc7 32. f6 {White has a mate threat} Rg8 $4 (32... Rf7 $142 {the rescuing straw} 33. fxg7+ Kg8 34. Nf6+ Rxf6 35. Qxf6 Re8 $11) 33. Rf1 $18 gxf6 (33... Qc2 {desperation} 34. fxg7+ Rcxg7 35. Nxg7 Qe4 36. Nh5+ Qxe5 37. dxe5 Re8 $18) 34. Rxf6 (34. Nxf6 $142 {makes sure everything is clear, but White lost on time} Re7 35. Qxe7 Qxd4+ 36. Kh1 $18) 0-1