[Event "Varese Interzonal Playoff"] [Site "Varese ITA"] [Date "1976.10.11"] [Round "3"] [White "Tigran Vartanovich Petrosian"] [Black "Lajos Portisch"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. g3 b5 4. Bg2 Bb7 5. O-O c5 6. Bg5 Be7 7. c3 Na6 8. e3 Rb8 9. Nbd2 O-O 10. a3 Ne4 11. Bxe7 Qxe7 12. Qe2 Nc7 13. Rfd1 Rfd8 14. Ne5 Nxd2 15. Rxd2 Bxg2 16. Kxg2 Nd5 17. e4 Nf6 18. Ng4 Nxg4 19. Qxg4 d5 20. dxc5 dxe4 21. Rad1 Rxd2 22. Rxd2 Qxc5 23. Qxe4 Qc7 24. Qd3 h6 25. Qd7 Qc5 26. Rd3 a5 27. Rf3 Rf8 28. Rf4 e5 29. Re4 Kh8 30. Re3 f6 31. Rd3 Rb8 32. Qd6 Qa7 33. Qc6 Qf7 34. Rd5 Qg6 35. Rxe5 Qd3 36. Rc5 b4 37. cxb4 axb4 38. a4 Qb3 39. Rc2 Qa2 40. Re2 Kh7 41. h4 b3 42. Qd7 Kh8 43. Re7 Rg8 44. Qd4 Ra8 45. Rb7 Re8 46. Rb5 Rc8 47. Rb4 Rg8 48. Qd3 Ra8 49. Qf3 { White wins. } 1-0