Botterill, George Steven VS Petrosian, Tigran V 1977.12.30

[Event "Christmas Congress 1977/78-53 Premier"]
[Site "Hastings"]
[Date "1977.12.30"]
[Round "3"]
[White "Botterill, George Steven"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[WhiteElo "2350"]
[BlackElo "2645"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. Nf4 a5 8. b3 c6 9. Be2 Nbd7
10. cxd5 Nxd5 11. Ncxd5 exd5 12. O-O Bd6 13. Nd3 Qh4 14. g3 Qe7 15. Bb2 Re8 16. Re1 Nf6
17. Bf1 Bf5 18. Bg2 Qc7 19. Rc1 Re7 20. f3 Rae8 21. Qd2 h5 22. Ne5 Qb6 23. Kh1 Qxb3 24. e4
Bh7 25. Bc3 dxe4 26. fxe4 Bxe5 27. dxe5 Ng4 28. Bxa5 Nxe5 29. Bb4 Rd7 30. Qg5 Bg6 31. Rc3
Qa2 32. Rce3 Nd3 33. Rxd3 Rxd3 34. e5 Qb3 35. Qc1 0-1