[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.21"]
[Round "11"]
[White "Cook, Peter K"]
[Black "Watson, John L"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "60"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 d5 3. Nf3 c5 4. dxc5 e6 5. b4 a5 6. Qb3 b6 7. cxb6 axb4 8. cxb4 Qxb6 9. b5 Nbd7 10. e3 Nc5 11. Qc2 Bd6 12. a4 0-0 13. Be2 e5 14. Bb2 Ng4 15. Nc3 d4 16. exd4 exd4 17. Nxd4 Ne6 18. Nd5 Nxd4 19. Qxh7+ Kxh7 20. Nxb6 Nc2+ 21. Kf1 Nxa1 22. Nxa8 Nb3 23. Bd3+ f5 24. Nb6 Nxf2 25. Kxf2 Bc5+ 26. Ke2 Bxb6 27. Bc4 Re8+ 28. Kf3 Nd2+ 29. Kg3 Re3+ 30. Kf4 Nxc4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.13"]
[Round "4"]
[White "Cook, Peter K"]
[Black "Rhee, Peter"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "32"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. e3 d5 4. Nf3 Nc6 5. Be2 Bf5 6. 0-0 e6 7. c4 Be7 8. Qb3 a6 9. dxc5 Bxc5 10. Rd1 Nb4 11. Nd4 dxc4 12. Bxc4 Bc2 13. Nc3 Bxb3 14. Nxb3 Qc7 15. Rac1 h6 16. Bf4 e5 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.10"]
[Round "2"]
[White "Cook, Peter K"]
[Black "Pruner, Earl W"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "82"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. e5 Qd8 6. f4 d5 7. c3 c5 8. Bd3 cxd4 9. cxd4 Qb6 10. Nf3 Nc6 11. Qd2 Bd7 12. Be2 Rc8 13. Nc3 g5 14. h3 gxf4 15. 0-0 Bg7 16. Qxf4 0-0 17. Na4 Nxd4 18. Nxd4 Bxa4 19. Rf3 f6 20. Rg3 fxe5 21. Qxe5 Rf7 22. Kh1 Bd7 23. Bh5 Kh8 24. Qe2 Rf4 25. Rxg7 Kxg7 26. Qe5+ Rf6 27. Nf3 Qc7 28. Qd4 Qf4 29. Qxa7 Rc1+ 30. Rxc1 Qxc1+ 31. Kh2 Qc7+ 32. Kh1 e5 33. Qa3 Bc6 34. Nd2 e4 35. Qc3 Qf4 36. Nb3 Qg5 37. g4 Kh7 38. Qc5 Rf3 39. Kg2 Qh4 40. Nd2 Qg3+ 41. Kh1 Qe1+ 0-1

