[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.10.25"]
[Round "1(4)"]
[White "Ellefsen, Johan Hendrik"]
[Black "Estimo, Samuel"]
[Result "0-1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 a6 7. Qc2 O-O 8. Bd3 dxc4 9. Bxc4 c5 10. a4 Qa5 11. O-O h6 12. Bh4 cxd4 13. Nxd4 Bd6 14. Nf3 Qh5 15. Ne2 Ne5 16. Nxe5 Bxe5 17. Bg3 Bxg3 18. Nxg3 Qe5 19. b4 Bd7 20. Qb3 b5 21. axb5 axb5 22. Rxa8 Rxa8 23. Be2 Ra4 24. Rc1 Nd5 25. Qd1 Rxb4 26. Bf3 Rc4 27. Ne2 Rxc1 28. Qxc1 b4 29. Nd4 Nc3 30. Bd1 Qc5 31. Qd2 Nxd1 32. Qxd1 e5 33. Nb3 Qc3 34. Nd2 Qd3 35. Qc1 Be6 36. h3 b3 37. Nb1 Qc2 38. Qe1 b2 39. Na3 Qc1 40. Kf1 Bc4+ 41. Nxc4 Qxc4+ 0-1