Harper, Bruce VS Keres, Paul 1975.05.19

[Event "Vancouver op"]
[Site "Vancouver"]
[Date "1975.05.19"]
[Round "4"]
[White "Harper, Bruce"]
[Black "Keres, Paul"]
[Result "0-1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nc6 5. Nc3 e6 6. Qxc4 Nb4 7. Qb3 c5 8. e3 a6 9. Be2
cxd4 10. exd4 Be7 11. O-O O-O 12. Rd1 b6 13. a3 Nbd5 14. Bg5 Bb7 15. Ne5 h6 16. Bh4 Nf4
17. Bf1 Rc8 18. Rac1 b5 19. h3 N4d5 20. Ne2 Rxc1 21. Rxc1 Ne4 22. Bxe7 Nxe7 23. Qd1 Qd6
24. f3 Nf6 25. Nd3 Nf5 26. Nc5 Ba8 27. Qd3 Rd8 28. Qc3 Nd5 29. Qa5 Nf4 30. Nb3 Nxe2+ 31.
Bxe2 Bd5 32. Nc5 Nxd4 33. Bf1 Kh7 34. Qe1 Bxf3 35. Qf2 Ba8 36. Qxf7 Nf3+ 37. gxf3 Qg3+ 38.
Bg2 Rd2 0-1