[Event "Las Palmas-02"]
[Site "Las Palmas"]
[Date "1973.04.19"]
[Round "14"]
[White "Stein, Leonid"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 e6 6. Be3 Nf6 7. Be2 Be7 8. O-O Bd7 9. Nb3 a6 10. f4 b5 11. a3 O-O 12. Bf3 Rb8 13. Qd2 Qc7 14. g4 Be8 15. g5 Nd7 16. Qg2 Nb6 17. Rae1 Nc4 18. Bc1 a5 19. Kh1 b4 20. axb4 Rxb4 21. f5 a4 22. Nd2 N4e5 23. Bd1 Nd4 24. f6 Bd8 25. Re3 Bc6 26. Rh3 Ng6 27. Qg4 Re8 28. Qh5 Nf8 29. fxg7 Kxg7 30. Nf3 Nb5 31. Nxb5 Bxb5 32. Re1 Bc6 33. Nd2 Rb5 34. Nb1 Kg8 35. Nc3 Rc5 36. Kg1 Qb7 37. Rf1 Bb6 38. Be3 Rxc3 39. bxc3 Bxe4 40. Qh4 a3 41. Bh5 Bf5 42. Rhf3 Bxe3+ 43. Rxe3 a2 44. Qd4 1/2-1/2