[Event "Las Palmas-02"]
[Site "Las Palmas"]
[Date "1973.04.16"]
[Round "12"]
[White "Calvo Minguez, Ricardo"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Qg4 Nf5 6. Bd3 h5 7. Qf4 Nc6 8. a3 Be7 9. Bxf5
g5 10. Qd2 exf5 11. h4 gxh4 12. Nce2 Be6 13. b3 Rg8 14. Nf4 Qd7 15. Ngh3 O-O-O 16. Bb2 Rg7
17. O-O-O Rh8 18. Kb1 Bd8 19. Qe2 Rg4 20. f3 Rg7 21. Nd3 Ne7 22. Nc5 Qc6 23. Nf4 Ng6 24.
Nfd3 a5 25. c4 dxc4 26. bxc4 Bxc4 27. Rc1 Nf4 28. Qd2 Nxd3 29. Rxc4 Nxc5 30. Rxc5 Qb6 31.
Rxa5 Kb8 32. Rc5 Be7 33. Rc3 Rhg8 34. Rh2 f6 35. Ka2 fxe5 36. Rb3 Qd6 37. d5 Rd8 38. f4
Qxd5 39. Qxd5 Rxd5 40. fxe5 Rd2 41. Rf3 Rg3 42. Rxg3 hxg3 43. Rxh5 Rxg2 44. Kb3 Rh2 45.
Rxf5 Rxb2+ 0-1