[Event "Reggio Emilia-20 1977/78"]
[Site "Reggio Emilia"]
[Date "1977.12.??"]
[Round "?"]
[White "Averbakh, Yuri L"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2390"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 b6 7. Bd3 Nbd7 8. cxd5 exd5 9. Rc1 Bb7 10. O-O c5 11. Bf5 Re8 12. Re1 Nf8 13. dxc5 bxc5 14. Na4 Ne4 15. Bxe7 Qxe7 16. Nd2 Nd6 17. Bh3 c4 18. b3 Ng6 19. Nf3 Ne5 20. Nxe5 Qxe5 21. Nc3 cxb3 22. axb3 Ne4 23. Nb5 Red8 24. g3 Qf6 25. Rc2 Ng5 26. Bg2 Qb6 27. Nd4 Rac8 28. Ra2 Ne6 29. Nxe6 fxe6 30. Qd4 Ra8 31. f4 Rd6 32. Bh3 a6 33. Rc2 Rc8 34. Rxc8+ Bxc8 35. Rc1 Bd7 36. Rc3 Qxd4 37. exd4 Kf8 38. Kf2 Ke7 39. Bf1 Rb6 40. Bd3 h6 41. Ke3 a5 42. Bc2 Rc6 43. Rxc6 Bxc6 44. h4 Be8 45. g4 Bd7 46. Bd3 Kf6 47. g5+ Ke7 48. Kd2 Kd6 49. Kc3 Be8 50. b4 axb4+ 51. Kxb4 Bh5 52. Kb5 1/2-1/2