Lai, Peter -- Jiganchine, Roman
Langley Open 2012.09.03 1/2-1/2 D27
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Nc3 Be7 9. Qe2 cxd4 10. Rd1 O-O 11. exd4 Nd5 12. Bd3 Re8 13. Ne5 Nxe5 14. dxe5 Qa5 15. Ne4 Bd7 16. Bg5 Bxg5 17. Nxg5 h6 18. Bh7+ Kf8 19. Nf3 Bc6 20. Be4 Rad8 21. Qe1 Qxe1+ 22. Nxe1 Nb4 23. Bxc6 Nxc6 24. f4 Rd4 25. Rxd4 Nxd4 26. Kf2 Rc8 27. Ra3 Ke7 28. Rc3 Rxc3 29. bxc3 Nb3 30. Nd3 Kd7 31. Ke3 Kc6 32. Ke4 g6 33. Nb2
33. ... Kc5
- 33. ... b5 34. axb5+ Kxb5 was an obvious way of trying to obtain a distant passed pawn in the knight endgame.
- Black has a nearly decisive advantage here because the 'a' pawn is hard for White to deal with.