[Event "Concord op"]
[Site "Concord"]
[Date "1993.??.??"]
[Round "?"]
[White "Stone, William B"]
[Black "Sandoval, Roger"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "123"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Bb4 4. Bd2 Nf6 5. Nf3 0-0 6. e3 c6 7. Bd3 Re8 8. Ng5 g6 9. Qc2 Nbd7 10. h4 Nf8 11. 0-0-0 Qa5 12. a3 Bxc3 13. Bxc3 Qc7 14. Qe2 Bd7 15. h5 h6 16. Nf3 g5 17. Ne5 b5 18. Kb1 bxc4 19. Bc2 Rab8 20. g4 Rb6 21. Ba5 Reb8 22. Kc1 Qb7 23. Bxb6 Qxb6 24. Bb1 Bc8 25. Qc2 Ba6 26. Rd2 Ne4 27. Re2 c3 28. Nd3 c5 29. bxc3 c4 30. Nb4 Bb5 31. f3 Nf6 32. Qd1 a5 33. Rb2 axb4 34. Rxb4 Ra8 35. a4 Rxa4 36. Rxa4 Bxa4 37. Qxa4 Qc7 38. Qc2 Qg3 39. Qe2 N8d7 40. Bc2 e5 41. Bf5 e4 42. Rf1 Nb6 43. Qe1 Qd6 44. Rf2 Ne8 45. fxe4 Qf6 46. Bh7+ Kxh7 47. Rxf6 Nxf6 48. e5 Ne4 49. Qf1 Kg8 50. Qf5 Nxc3 51. e6 Ne2+ 52. Kc2 fxe6 53. Qxe6+ Kf8 54. Qxb6 c3 55. Qxh6+ Kf7 56. Qg6+ Ke7 57. h6 Ng3 58. h7 Ne4 59. h8Q Nf6 60. Qgxf6+ Kd7 61. Qhg7+ Ke8 62. Qff8# 1-0

