[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.30"]
[Round "6"]
[White "Weinberger, Tibor"]
[Black "Zinke, J."]
[Result "1-0"]
[ECO "B20"]
[PlyCount "69"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 Nf6 5. f4 d5 6. e5 Nd7 7. Nf3 Be7 8. 0-0 b5 9. a4 bxa4 10. c4 Nb6 11. cxd5 Nxd5 12. Nc3 Ncb4 13. Nxd5 Nxd5 14. Qxa4+ Qd7 15. Nd2 Qxa4 16. Rxa4 Bb7 17. Nc4 Kd7 18. Bd2 Bc6 19. Ra5 Rhb8 20. Rfa1 Rb7 21. g4 Nb4 22. Bxb4 cxb4 23. Bxc6+ Kxc6 24. Kf1 Kc7 25. Ke2 Kd7 26. b3 Kc6 27. d4 Bf8 28. Ke3 Be7 29. Ke4 Bf8 30. f5 Be7 31. Ra6+ Kc7 32. fxe6 fxe6 33. Rxe6 Bf8 34. d5 h6 35. Rf1 1-0

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.28"]
[Round "2"]
[White "Biyiasas, Peter"]
[Black "Zinke, J."]
[Result "1-0"]
[ECO "C15"]
[PlyCount "69"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8. Be3 0-0 9. Qd2 c5 10. 0-0-0 cxd4 11. Nxd4 a6 12. Be2 e5 13. Nb3 Qxd2+ 14. Rxd2 Nc6 15. c3 Be7 16. Rhd1 Be6 17. Nc5 Bxc5 18. Bxc5 Bb3 19. Bxf8 Bxd1 20. Bxd1 Kxf8 21. Rd7 Nd8 22. Bf3 Rb8 23. a4 Ke8 24. Rc7 b6 25. Bd5 Kf8 26. b4 a5 27. b5 Ne6 28. Bxe6 fxe6 29. Kc2 h6 30. f3 Kg8 31. Re7 Kf8 32. Rxe6 Kf7 33. Rxe5 Kf6 34. Re4 Rd8 35. Rd4 1-0

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.11.28"]
[Round "1"]
[White "Zinke, J."]
[Black "Alston, Thomas"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "37"]
[EventDate "1974.11.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 e6 5. Nf3 Be7 6. Bd3 d6 7. Bf4 Nc6 8. Qe2 0-0 9. h4 f6 10. Ng5 fxg5 11. Bxh7+ Kxh7 12. hxg5+ Kg8 13. g6 Bh4 14. g3 Nxe5 15. Bxe5 dxe5 16. Qh5 Rf5 17. Qh7+ Kf8 18. Qh8+ Ke7 19. Qxg7+ 1-0

