[Event "World-ch24 Petrosian-Botvinnik +5-2=15"]
[Site "Moscow"]
[Date "1963.04.03"]
[Round "6"]
[White "Botvinnik, Mikhail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2 Be7 9. dxc5 Bxc5 10. e4 Ng4 11. Bf4 Qf6 12. Bg3 Nge5 13. Nxe5 Nxe5 14. Nd2 O-O 15. Rad1 b6 16. Qh5 Nxc4 17. Nxc4 a5 18. Ne5 Qe7 19. Rd2 f6 20. Nd3 e5 21. Nxc5 Qxc5 22. Qd1 Be6 23. Re1 Rac8 24. h3 Qb4 25. Re3 Rc4 26. b3 Rc6 27. Kh2 b5 1/2-1/2