[Event "New Mexico op"]
[Site "Farmington"]
[Date "1983.10.??"]
[Round "3"]
[White "Koch, Charles"]
[Black "Kostelecky, Alan"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "89"]
[EventDate "1983.10.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 Nc6 6. Bc4 0-0 7. Qd2 e5 8. Nge2 a6 9. a3 exd4 10. Nxd4 Ne5 11. Bb3 b5 12. 0-0-0 Bd7 13. Bg5 Qb8 14. Qe2 c5 15. Bxf6 Bxf6 16. Nd5 Bg7 17. f4 cxd4 18. fxe5 dxe5 19. h4 h5 20. Rdg1 Bg4 21. Qd2 Kh7 22. Kb1 Be6 23. g4 Bxg4 24. Rxg4 hxg4 25. h5 Qd6 26. Qg5 Bh6 27. hxg6+ Qxg6 28. Rxh6+ Qxh6 29. Nf6+ Qxf6 30. Qxf6 Ra7 31. Qh4+ Kg6 32. Qxg4+ Kh6 33. Qh4+ Kg6 34. Qg3+ Kf6 35. Qh4+ Kg6 36. Qg4+ Kh6 37. Qf5 f6 38. Kc1 Rg7 39. Qh3+ Kg5 40. c3 dxc3 41. Bd1 cxb2+ 42. Kxb2 f5 43. Qh5+ Kf6 44. Qxf5+ Ke7 45. Qxe5+ 1-0

[Event "New Mexico op"]
[Site "Farmington"]
[Date "1983.10.??"]
[Round "1"]
[White "Kostelecky, Alan"]
[Black "Verduga Zavala, Denis"]
[Result "1/2-1/2"]
[ECO "B27"]
[BlackElo "2440"]
[PlyCount "113"]
[EventDate "1983.10.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be3 Nf6 6. Qd2 0-0 7. 0-0-0 Ng4 8. h4 h5 9. Be2 Nc6 10. Ne5 cxd4 11. Nxc6 dxc6 12. Bxd4 Rd8 13. Bb6 Rxd2 14. Bxa5 Rxd1+ 15. Nxd1 Be6 16. f3 Ne5 17. Bc3 c5 18. Nf2 Bh6+ 19. Bd2 Bg7 20. Bc3 a5 21. a4 Bh6+ 22. Bd2 Bf8 23. Rd1 Nc6 24. Be3 Nd4 25. Bxd4 Bh6+ 26. Kb1 cxd4 27. Nd3 b6 28. Ne5 Rc8 29. Bb5 Bg7 30. Nc6 Bf6 31. g3 Bh3 32. e5 Rxc6 33. Bxc6 Bxe5 34. f4 Bf6 35. Bd5 e6 36. Be4 Bg4 37. Rd3 Be2 38. Rb3 Bd8 39. Bd3 Bf3 40. Bb5 Be4 41. Kc1 Kf8 42. Bc4 Bc6 43. Bb5 Be4 44. Bc4 Bc6 45. Bb5 Bd5 46. Rd3 Bf6 47. c3 dxc3 48. bxc3 Be7 49. Kd2 Bc5 50. Ke2 Ke7 51. c4 Be4 52. Rd7+ Kf6 53. Rc7 Bd6 54. Rd7 Bc5 55. Rc7 Bd6 56. Rd7 Bc5 57. Rc7 1/2-1/2

