[Site "Internet Chess Club"]
[Date "2007.08.25"]
[Round "-"]
[White "sdo1"]
[Black "AntonioMendonca"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1959"]
[BlackElo "1656"]
[Opening "King's Indian: London system"]
[NIC "QP.03"]
1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Nbd2 d6 6. Be2 Nbd7 7. h3 Re8 8. c3 e5 9. Bg3 Nh5 10. Bh4 Nhf6 11. dxe5 Nxe5 12. O-O
Again, a classic position for the London player.
12. ...Bd7 13. Nxe5 Rxe5 14. Bf3 Rb8 15. Ne4 h6 16. Qd4 b6 17. Rfd1 g5 18. Bg3 Re6 19. Nxf6+ Bxf6 20. Qd3 Qe8 21. Qc4 c5?
21...c5 ruins Black's game. White had sallied 21. Qc4 to see if the light squares could be exploited. 21...Qc8 gives Black plenty of recourse and the game is about even. With 21...c5, Black has left the d6 pawn en prise, permanently weakens light squares across the board (exacerbated by 17...g5), and leaves f7 and g8 open to pressure from a Queen-Bishop battery via a pin on the Rook. Instead of grabbing the pawn, I decided to take the exchange on the e Rook. Even without the support of the light Bishop, the Queen will invade the Queen side via the light squares and force Black to give up material after attrition of forces.
22. Bd5 Rd8 23. Bxe6 Bxe6 24. Qe2 d5 25. a4 Bg7 26. Qa6 Qe7 27. a5 Bc8 28. Qb5 Bd7 29. Qe2 Bc6 30. axb6 axb6 31. Qa6 Qb7 32. Qxb7 Bxb7 33. Bc7
{Black Resigns} 1-0
With no possibility of preventing White from accumulating further material, Black resigned.
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