[Event "US Open-89"]
[Site "Boston"]
[Date "1988.??.??"]
[Round "?"]
[White "Gurevich, Dmitry"]
[Black "Scheffer, David"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2475"]
[PlyCount "41"]
[EventDate "1988.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Nxd4 10. Bxd4 b6 11. Qd2 Bb7 12. f3 Rc8 13. Rfd1 Nd7 14. Be3 Ne5 15. b3 Qd7 16. Rac1 f5 17. exf5 Qxf5 18. Nd5 Rce8 19. h3 Kh8 20. f4 Nd7 21. Bg4 1-0

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.03"]
[Round "2"]
[White "Braley, John"]
[Black "Scheffer, David"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2260"]
[BlackElo "1982"]
[PlyCount "61"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d6 3. g3 c5 4. Bg2 Nc6 5. c3 g6 6. f4 Bg7 7. Nf3 0-0 8. Be3 e5 9. fxe5 Ng4 10. Bg5 Qb6 11. Qc2 Ngxe5 12. 0-0 Qa6 13. Ne1 Be6 14. h3 f5 15. Nd2 h6 16. Be3 Ne7 17. a3 fxe4 18. Nxe4 Rxf1+ 19. Bxf1 Rf8 20. Rd1 Nd5 21. Bf2 Qc6 22. Bg2 Qd7 23. d4 cxd4 24. Bxd4 Nc4 25. Qe2 Bxd4+ 26. Rxd4 b5 27. b3 Nxa3 28. Qd2 Nb1 29. Qxh6 Nbxc3 30. Qxg6+ Kh8 31. Nxc3 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.14"]
[Round "9"]
[White "Southern, M."]
[Black "Scheffer, David"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "62"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Bg4 10. Rc1 Bxf3 11. gxf3 Be7 12. Be2 Bh4+ 13. Kf1 f6 14. f4 fxe5 15. dxe5 Qe7 16. Kg2 Rd8 17. Qc2 Qf7 18. Qe4 Ne7 19. Rhf1 Nf5 20. Bc5 Qg6+ 21. Kh1 Na4 22. Bh5 Qxh5 23. Nxa4 Ng3+ 24. hxg3 Bxg3+ 25. Kg2 Rd2+ 26. Bf2 Qh2+ 27. Kf3 Rxf2+ 28. Rxf2 Qxf2+ 29. Kg4 h5+ 30. Kg5 Bh4+ 31. Kg6 Qg3# 0-1

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.09"]
[Round "5"]
[White "Underwood, HF."]
[Black "Scheffer, David"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "49"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 Nf6 6. Bd3 g6 7. Bf4 a6 8. h4 Bg7 9. h5 Nxh5 10. Rxh5 gxh5 11. Qxh5+ Kd7 12. Nf3 Qg8 13. Ne5+ Bxe5 14. Qxe5 Nc6 15. Qxc7+ Ke8 16. Be2 h5 17. 0-0-0 Kf7 18. Bg3 Qd8 19. Qf4+ Ke8 20. Rh1 Qb6 21. Rxh5 Rf8 22. Qg4 Qxd4 23. Qg6+ Kd7 24. Bg4 Qf6 25. Rxd5# 1-0

[Event "US Open-49"]
[Site "Baltimore"]
[Date "1948.07.08"]
[Round "4"]
[White "Scheffer, David"]
[Black "Isaacs, Lewis Jl"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "72"]
[EventDate "1948.07.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 Qc7 9. Qd3 exd4 10. Qxd4 Ng4 11. Bf4 Nge5 12. Be2 Nxf3+ 13. Bxf3 Ne5 14. Be2 Be6 15. b3 Bf6 16. Qd2 Rad8 17. Rad1 h6 18. h3 g5 19. Be3 a6 20. f4 gxf4 21. Bxf4 Kh7 22. Bxh6 Rg8 23. Kh1 Rg6 24. Bf4 Rdg8 25. Rg1 Qa5 26. Bh5 R6g7 27. Nd5 Qd8 28. Nxf6+ Qxf6 29. Bxe5 dxe5 30. g4 Qh4 31. Qh2 Rg5 32. c4 Rxh5 33. gxh5 Qxe4+ 34. Rg2 Qf3 35. Rdd2 Bxh3 36. Rdf2 Bxg2+ 0-1

