[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "5"]
[White "Lajcik, Thomas"]
[Black "Peterson, John L"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "90"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. Bg2 Ne7 7. 0-0 0-0 8. Re1 Bg4 9. exd5 cxd5 10. c3 Nbc6 11. Qa4 Qd7 12. Rb1 Qf5 13. Nh4 Qd7 14. Nf1 Rab8 15. Ne3 Be6 16. Nd1 b5 17. Qc2 Rfc8 18. a3 a5 19. Qe2 b4 20. axb4 axb4 21. Bg5 f6 22. Bd2 bxc3 23. Nxc3 Nd4 24. Qd1 Bg4 25. Nf3 Rb7 26. b4 Rcb8 27. Na2 h5 28. Bc3 Nec6 29. Bxd4 Nxd4 30. h3 Nxf3+ 31. Bxf3 Bxh3 32. Nc3 Rxb4 33. Rxb4 Rxb4 34. Nxd5 Rd4 35. Nb6 Qb5 36. Nc4 Be6 37. Qc2 Kh7 38. Be2 e4 39. Qb2 Qc5 40. Qb6 Qd5 41. dxe4 Rxe4 42. Ne3 Qd2 43. Qb1 Rxe3 44. fxe3 Qxe3+ 45. Kf1 Bh3# 0-1

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "4"]
[White "Wozney, Thomas"]
[Black "Lajcik, Thomas"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "83"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Nf6 5. Nc3 0-0 6. Bd3 Nbd7 7. e5 Ne8 8. Ne4 c5 9. c3 Nc7 10. 0-0 cxd4 11. cxd4 dxe5 12. dxe5 Ne6 13. Be3 Nb6 14. g3 Bd7 15. Qe2 Nd5 16. Rfd1 Qa5 17. a3 Ba4 18. Rdc1 Rfc8 19. b4 Qd8 20. Kf2 Bh6 21. Bc4 Nxe3 22. Qxe3 Nc7 23. Nc5 Bc6 24. Rd1 Nd5 25. Qb3 e6 26. Nd4 Qe7 27. Ne4 Kg7 28. b5 Bd7 29. Bxd5 exd5 30. Qxd5 Bxf4 31. gxf4 Qh4+ 32. Kg1 Bh3 33. Nf2 Rc3 34. Nf3 Qxf4 35. Nxh3 Qg4+ 36. Kf2 Qxh3 37. Rac1 Rd8 38. Rxc3 Rxd5 39. Rxd5 h5 40. Rc7 Qe6 41. Rdd7 Qa2+ 42. Kg3 1-0

