[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.19"]
[Round "2"]
[White "Day, Lawrence A"]
[Black "Beyen, Roland"]
[Result "0-1"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. O-O d5 8. Nxd4 Bd7 9. Bxc6 bxc6 10. Be3 O-O 11. f3 Ng5 12. Qd2 h6 13. b4 Bb6 14. Nb3 Bf5 15. Nd4 Bd7 16. Qf2 f6 17. exf6 Qxf6 18. Nd2 Qg6 19. Bxg5 Qxg5 20. N2b3 Qf6 21. Qg3 Qd6 22. Kh1 a5 23. bxa5 Bxa5 24. Nxa5 Rxa5 25. Nb3 Ra3 26. Qf2 Rfa8 27. Rfd1 Qe5 28. Qd2 Be8 29. Re1 Qf6 30. Qb2 Bf7 31. Rec1 Qf4 32. Rcb1 Bg6 33. Rd1 Qc4 34. Qd2 Kh7 35. h3 Qa4 36. Nc1 Qc2 37. Qxc2 Bxc2 38. Rd2 Rxc3 39. Ne2 Rc4 40. Nd4 Ba4 41. Re1 c5 42. Nf5 d4 43. Re7 Rc2 44. Rd1 Kg6 45. Rde1 Kxf5 46. R7e6 Rf8 47. R1e5+ Kf4 48. Kh2 Rf6 49. Re7 Bc6 50. h4 Bxf3 51. h5 Rxg2+ 52. Kh3 Rg1 0-1