[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Lognev, I."]
[Black "Oshana, David J"]
[Result "1-0"]
[ECO "D08"]
[PlyCount "89"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Bf4 g5 5. Bg3 Nc6 6. a3 Be6 7. Qa4 Qd7 8. Nf3 g4 9. Ng5 Nxe5 10. Qxd7+ Nxd7 11. Nxe6 fxe6 12. e3 c5 13. exd4 cxd4 14. b4 Bg7 15. Bd3 Ngf6 16. Nd2 0-0 17. 0-0 Rfe8 18. c5 e5 19. Ne4 Nxe4 20. Bxe4 Rab8 21. Bh4 Nf6 22. Bxf6 Bxf6 23. b5 Bg5 24. Bf5 e4 25. Bxg4 e3 26. fxe3 Bxe3+ 27. Kh1 d3 28. c6 bxc6 29. bxc6 d2 30. c7 Rbc8 31. Bxc8 Rxc8 32. g3 Rxc7 33. Kg2 Rc1 34. Kf3 Bh6 35. Ke2 Rc3 36. Rfd1 Re3+ 37. Kxd2 Rxg3+ 38. Kc2 Rg2+ 39. Kb3 Be3 40. Ra2 Rg6 41. Rd8+ Kg7 42. Rd7+ Kh6 43. a4 Rf6 44. Re2 Rf3 45. Rd3 1-0

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Oshana, David J"]
[Black "Kim, J."]
[Result "1-0"]
[ECO "C41"]
[PlyCount "53"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 f6 4. Bc4 Bg4 5. dxe5 Bxf3 6. Qxf3 dxe5 7. Bxg8 Rxg8 8. Qh5+ Ke7 9. Qxh7 Kf7 10. Qh3 Nc6 11. Qb3+ Kg6 12. c3 Qd3 13. Be3 Bd6 14. Nd2 Rgd8 15. 0-0-0 b6 16. h4 Bc5 17. h5+ Kh7 18. h6 Rd7 19. hxg7+ Kxg7 20. Nc4 Bxe3+ 21. Nxe3 Qxd1+ 22. Rxd1 Rad8 23. Rxd7+ Rxd7 24. Qe6 Rd6 25. Nf5+ Kg6 26. Qg8+ Kh5 27. g4# 1-0

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Venske, Kai Gerrit"]
[Black "Oshana, David J"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "66"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Nxd4 Nc6 8. Bf4 Rc8 9. Nxc6 Bxc6 10. Rd1 Qa5 11. f3 e6 12. e4 Be7 13. Be2 0-0 14. Qb3 Bc5 15. Bd2 Qc7 16. Rc1 a6 17. Na4 Bd6 18. Bb4 Rfd8 19. Bxd6 Qxd6 20. 0-0 Qd4+ 21. Kh1 Qxa4 22. Qb6 h6 23. Rc4 Qxa2 24. Rc5 Rd2 25. Rxc6 Rxc6 26. Qxb7 Rcc2 27. Bxa6 Rxg2 28. Qa8+ Kh7 29. Rd1 Rxh2+ 30. Kg1 Rcg2+ 31. Kf1 Rxb2 32. Kg1 Rbg2+ 33. Kf1 Rh1# 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Formanek, Edward W"]
[Black "Oshana, David J"]
[Result "0-1"]
[ECO "D09"]
[PlyCount "42"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. g3 Nc6 5. Nf3 Bg4 6. Bg2 Qd7 7. 0-0 0-0-0 8. Nbd2 h5 9. Qb3 h4 10. Nxh4 Bxe2 11. Re1 d3 12. Nhf3 Qf5 13. h4 g5 14. hxg5 Nge7 15. Nh4 Rxh4 16. gxh4 Qg4 17. Nf1 Nf5 18. Nh2 Qxh4 19. Bd2 Qxf2+ 20. Kxf2 Bc5+ 21. Be3 Bxe3# 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Sprague, Ross Frederick"]
[Black "Oshana, David J"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "76"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. d4 e4 5. Ne5 Nf6 6. Bg5 0-0 7. Nc3 Re8 8. Bb5 Re7 9. Bxf6 gxf6 10. Ng4 c6 11. dxc6 Nxc6 12. Nxf6+ Kg7 13. Qh5 h6 14. Ng4 Re6 15. Bxc6 bxc6 16. Ne3 Rb8 17. Nf5+ Kf8 18. Nxh6 Rg6 19. Nf5 Bxf5 20. Qxf5 Rxb2 21. 0-0 Qh4 22. h3 Rg5 23. Qxe4 Qxh3 24. f4 Rxg2+ 25. Qxg2 Qxc3 26. Rf2 Qxd4 27. c3 Qe3 28. Qf3 Bc5 29. Qxe3 Bxe3 30. Raf1 Rxa2 31. Kg2 Rxf2+ 32. Rxf2 Bxf2 33. Kxf2 Ke7 34. Ke3 Ke6 35. Kd4 a5 36. Kc5 Kf5 37. c4 Kxf4 38. Kxc6 a4 0-1

