World Championship 1963: Petrosian – BotvinnikROUND 1
[Event "World-ch24 Petrosian-Botvinnik +5-2=15"]
[Site "Moscow"]
[Date "1963.03.23"]
[Round "1"]
[White "Petrosian, Tigran V"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9.
Qxc3 c6 10. e3 O-O 11. Ne2 Re8 12. Ng3 g6 13. f3 h5 14. Be2 Nd7 15. Kf2 h4 16. Nf1 Nf8 17.
Nd2 Re7 18. Rhe1 Bf5 19. h3 Rae8 20. Nf1 Ne6 21. Qd2 Ng7 22. Rad1 Nh5 23. Rc1 Qd6 24. Rc3
Ng3 25. Kg1 Nh5 26. Bd1 Re6 27. Qf2 Qe7 28. Bb3 g5 29. Bd1 Bg6 30. g4 hxg3 31. Nxg3 Nf4
32. Qh2 c5 33. Qd2 c4 34. Ba4 b5 35. Bc2 Nxh3+ 36. Kf1 Qf6 37. Kg2 Nf4+ 38. exf4 Rxe1 39.
fxg5 Qe6 40. f4 Re2+ 0-1