[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.19"]
[Round "11"]
[White "Tal, Mihail"]
[Black "Mednis, Edmar John"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2510"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3 c5 7. dxc5 Qa5 8. Bd3 Ng4 9. Bd2 Qxc5 10. Qe2 Nf6 11. O-O-O Na6 12. e5 dxe5 13. fxe5 Ng4 14. Rde1 Nh6 15. Bf4 Nb4 16. Be4 Be6 17. a3 Nc6 18. Rd1 Rfd8 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 21. Qxd1 f6 22. Bxc6 Qxc6 23. exf6 exf6 24. Nd4 Qd7 25. Nxe6 Qxe6 26. Qd8+ Kf7 27. Qc7+ Qe7 28. Nb5 Qxc7 29. Bxc7 Ng4 30. Kd2 f5 31. b3 Ke6 32. Nxa7 Bd4 33. Nb5 Bg1 34. h3 Ne3 35. g3 Nd5 36. Bb8 Nf6 37. Nc3 g5 38. Kd3 Bf2 39. Nb5 Ne4 40. Nd4+ Bxd4 41. Kxd4 Nf6 42. c4 Nd7 43. Bc7 Nf8 44. b4 Ng6 45. b5 h5 46. a4 h4 47. gxh4 Nxh4 48. Kc5 Kd7 49. Kb6 Kc8 50. a5 Ng6 51. a6 bxa6 52. bxa6 1-0