[Event "Philadelphia op2"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Tykwinski, David"]
[Black "Robinson, Caesar"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. Ng3 Bg4 6. Bc4 e6 7. h3 Bxf3 8. Qxf3 Nc6 9. d3 Nf6 10. Bf4 Qa5+ 11. Bd2 Qb6 12. Bb3 Be7 13. 0-0 0-0 14. Qe2 Rfe8 15. f4 Na5 16. Bxa5 Qxa5 17. e5 Nd7 18. Qg4 Kh8 19. Nh5 g6 20. Ng3 b5 21. h4 Rg8 22. Rae1 h5 23. Qh3 Qd8 24. f5 gxf5 25. Nxf5 exf5 26. Rxf5 Rg7 27. Bxf7 Rxf7 28. Rxf7 Qe8 29. Qf3 Nf8 30. Qxh5+ Kg8 31. Ref1 Qc6 32. Rxe7 Qd5 33. Qg5+ 1-0

[Event "US Open-83"]
[Site "St Paul"]
[Date "1982.08.17"]
[Round "9"]
[White "Quigley, Lawrence W"]
[Black "Tykwinski, David"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2200"]
[PlyCount "89"]
[EventDate "1982.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 d6 6. Nc3 g6 7. a4 Bg7 8. Qb3 Nbd7 9. Nf3 0-0 10. Ra3 Rb8 11. Be2 Qc7 12. 0-0 Bb7 13. Bd2 Rfc8 14. Bc4 axb5 15. Nxb5 Qd8 16. Qd3 Ra8 17. e4 Ng4 18. b3 Nge5 19. Nxe5 Nxe5 20. Qc2 Ba6 21. Bc3 Rcb8 22. Raa1 Qc8 23. h3 Qd8 24. f4 Nxc4 25. bxc4 Bxc3 26. Qxc3 Bc8 27. f5 Ra5 28. fxg6 hxg6 29. Qg3 Rba8 30. Rf4 Rxa4 31. Raf1 Ra1 32. Rxf7 Rxf1+ 33. Rxf1 Kg7 34. Qc3+ Kg8 35. Qf3 Kg7 36. Qf7+ Kh6 37. Qf4+ Kg7 38. h4 Bd7 39. h5 Qg8 40. Qg5 Bxb5 41. Qxg6+ Kh8 42. Qh6+ Qh7 43. Rf8+ Rxf8 44. Qxf8+ Qg8 45. Qxg8+ 1-0

[Event "US Open-80"]
[Site "Chicago"]
[Date "1979.08.02"]
[Round "5"]
[White "Tykwinski, David"]
[Black "Martin, Andy"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "49"]
[EventDate "1979.07.29"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 a6 6. a3 d6 7. Bg5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Rg8 11. h4 Be6 12. Bd5 Qc8 13. Bxf6 Rxg2 14. Qh5 Bxf2+ 15. Kf1 Rg6 16. Bg5 Bd4 17. Bxe6 Qxe6 18. Nd5 Kd7 19. c3 Ba7 20. Ke2 Rh8 21. Qf3 Kc8 22. Raf1 f6 23. Nxf6 Qb3 24. Qf5+ Kb8 25. Qxg6 1-0

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "6"]
[White "Presser, David"]
[Black "Tykwinski, David"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "49"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. Qe2 Qc7 10. 0-0-0 0-0 11. Rhg1 Na5 12. g4 Nxb3+ 13. axb3 b5 14. g5 Nd7 15. Rg3 Rd8 16. Nf5 Nf8 17. Bb6 Qxb6 18. Nxe7+ Kh8 19. Qf3 Ng6 20. Qxf7 Nxe7 21. Qxe7 Rb8 22. Rf3 Bb7 23. Qxe6 Bc8 24. Qxd6 Be6 25. Qxb6 1-0

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "4"]
[White "Tykwinski, David"]
[Black "Dunham, Gordon"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "57"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 Qd7 6. Nh4 f6 7. Nxf5 exf5 8. f4 Nd8 9. Bd3 g6 10. 0-0 fxe5 11. fxe5 Ne6 12. Qb3 c6 13. Nd2 Ne7 14. Nf3 c5 15. Bb5 Nc6 16. Ng5 c4 17. Qd1 a6 18. Nxe6 Qxe6 19. Bxc4 dxc4 20. d5 Bc5+ 21. Kh1 Qc8 22. Bf4 0-0 23. dxc6 Qxc6 24. Qe2 Qe6 25. Rad1 b5 26. Rd2 Rad8 27. Rfd1 Be7 28. Qe3 Rxd2 29. Rxd2 1/2-1/2

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "2"]
[White "Tykwinski, David"]
[Black "Sandrin, Albert"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "50"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 Bd7 9. Bc4 a6 10. Bb3 b5 11. Nxc6 Bxc6 12. Bh6 Bxh6 13. Qxh6 Qb6 14. 0-0-0 a5 15. Nd5 Bxd5 16. Bxd5 Rc8 17. Rhe1 e6 18. Qg7 Ke7 19. e5 dxe5 20. Rxe5 Nxd5 21. Rdxd5 Qg1+ 22. Rd1 Rxc2+ 23. Kxc2 Rc8+ 24. Kd2 Rd8+ 25. Kc3 Qxd1 0-1

