[Event "World Championship"] [Site "?"] [Round "11"] [White "Kasparov"] [Black "Karpov"] [Result "1-0"] [ECO "E21"] [Opening "Nimzo-Indian: Three Knights"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 h6 8. Bh4 d5 9. Rc1 dxc4 {The game has developed along Classical lines. Even though Karpov chooses the Nimzoindian Defense, he isn't really a Hypermodern player at heart. So it is somewhat strange that he prematurely concedes the center with this move.} 10. Bxc4 Nc6 11. O-O Be7 {Actually, I have an extra tempo by comparison with most Queen's Gambit positions. We have left the world of the Nimzoindian for good, and the excursion of the bishop from f8 to b4 and back to e7 is just a waste of time.} 12. Re1 b6 13. a3 Bb7 14. Bg3 Rc8 15. Ba2 Bd6 { A good move. Karpov eases the pressure on his position by preparing to trade bishops. He also creates a nice square at e7 for the knight. I over- reacted.} 16. d5 {I should have moved the bishop to e5 or h4, but instead I started a fierce battle in which many soldiers left the battlefield.} 16... Nxd5 17. Nxd5 Bxg3 18. hxg3 exd5 19. Bxd5 Qf6 {What have I accomplished with all this? Not much. But my bishop is powerful and I found a creative plan.} 20. Qa4 { The real point of this move is to transfer the queen to the kingside. But it also sets a trap.} 20... Rfd8 21. Rcd1 {I am dangling the b-pawn as bait. Karpov is much too good a player to fall for the trap, but perhaps the distraction caused him to create a situation on the h3-c8 diagonal he would quickly come to regret.} 21... Rd7 {Correct was 21...Rc7.} 22. Qg4 { Now Karpov blunders horribly.} 22... Rcd8 { It all seems so logical, pinning the bishop at d5. But it loses by force.} 23. Qxd7 Rxd7 24. Re8+ Kh7 25. Be4+ { Karpov resigned, because after 25...g6 26.Rxd7 Ba6 I simply capture at c6.} 1-0