[Event "Bugonjo"] [Site "?"] [Round "0"] [White "Kasparov"] [Black "Najdorf"] [Result "1-0"] [ECO "E12"] [Opening "Queen's Indian: Petrosian"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 { I don't want my opponent to pin a knight on c3 by a later Bb4.} 4... Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ {Since Black will have to play a later ...c5 to chip away at my pawn center, this check confuses his pieces a little.} 8... c6 9. Bd3 Nxc3 {Black wants to exchange pieces because he is cramped, but this trade strengthens my pawn center.} 10. bxc3 c5 11. O-O Nc6 12. e4 {Finally I ac hieve the most desirable pawn center. Notice how limited Black's options are for his minor pieces.} 12... Rc8 13. Be3 cxd4 14. cxd4 O-O 15. Qe2 Na5 16. Rfe1 Qd6 17. d5 {Now that my pieces are all centralized I'm ready to break through. Black's knight is out of play and his Be7 is unprotected, so I've got a big edge in the center to attack with.} 17... exd5 18. e5 Qe6 { 18...Qc6 19.Nd4 Qe8 20.Qg4} 19. Nd4 Qxe5 {Black can't allow 19...Qd7 20. Bf5, but the text allows the rest of my pieces to flood his king position.} 20. Nf5 Bf6 {20...Qf6 21.Bd4} 21. Qg4 {I'm threatening to win a piece here by Bd4 and Black doesn't have any good defense.} 21... Rce8 { 21...Nc6 22.Bd4 Nxd4 23.Rxe5 Bxe5 24.Ne7+} 22. Bd2 Qxa1 { Black is desparate, but he gets mated after 22...Qb8 23.Nxg7 Bxg7 24.Bh6} 23. Rxa1 Bxa1 24. Nxg7 Bxg7 25. Bh6 { Black resigned because he can't stop the mate on g7.} 1-0