[Event "Rotterdam Maas Cup"]
[Site "Rotterdam"]
[Date "1940.04.14"]
[Round "5"]
[White "Belinfante, Wim"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "D56"]
[PlyCount "64"]
[EventDate "1940.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nc6 10. cxd5 Nxc3 11. dxc6 Nd5 12. a3 bxc6 13. Bd3 Bb7 14. Ne5 Qd6 15. Rc1 Rfb8 16. Kd2 f6 17. Nc4 Qd7 18. b4 Ne7 19. f4 Ba6 20. Na5 Bxd3 21. Qxd3 e5 22. fxe5 fxe5 23. Qc4+ Kh8 24. Nxc6 Nxc6 25. Qxc6 Qxc6 26. Rxc6 exd4 27. exd4 a5 28. Kc3 axb4+ 29. axb4 Ra3+ 30. Kc4 Ra2 31. Re1 Rc2+ 32. Kd5 Rd8+ 0-1

[Event "Rotterdam Maas Cup"]
[Site "Rotterdam"]
[Date "1940.04.05"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Voorwinde, FJ."]
[Result "0-1"]
[ECO "C44"]
[PlyCount "34"]
[EventDate "1940.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6 5. Nxe5 Bd6 6. exd5 Bxe5 7. dxc6 0-0 8. d4 Bd6 9. Be2 Re8 10. Be3 Nd5 11. Bf3 Nxe3 12. fxe3 Qh4+ 13. Kd1 b5 14. Qxb5 Rxe3 15. Qh5 Qf2 16. Nd2 Rd3 17. Be2 Bf4 0-1

[Event "NED-chT 1939/40"]
[Site "Netherlands"]
[Date "1940.02.11"]
[Round "4.3"]
[White "Polak, JAJ"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "85"]
[EventDate "1939.11.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. g3 Nxe5 5. Bg2 Nxf3+ 6. Bxf3 Nf6 7. 0-0 d6 8. c4 c6 9. Nc3 Nd7 10. b4 Ne5 11. b5 Qc7 12. Bf4 Be7 13. Rc1 0-0 14. Bg2 Bd7 15. Qb3 Be6 16. Nd5 Bxd5 17. cxd5 c5 18. Rfd1 Bf6 19. Bxe5 Bxe5 20. f4 Bf6 21. e4 Qb6 22. Qc4 Bd4+ 23. Kh1 Rfe8 24. Rc2 Re7 25. a4 Ree8 26. Rf1 Re7 27. Re2 Qc7 28. g4 Qd7 29. h3 Qc7 30. g5 Kh8 31. Rd1 Rae8 32. Bf3 Qb6 33. h4 Qd8 34. Kg2 Qb6 35. Kg3 Qa5 36. h5 Qc3 37. Qxc3 Bxc3 38. Kg4 Kg8 39. e5 Kf8 40. g6 hxg6 41. hxg6 dxe5 42. d6 Rd7 43. Rh2 1-0

[Event "NED-chT 1939/40"]
[Site "Netherlands"]
[Date "1940.01.23"]
[Round "3.3"]
[White "Blok, HG."]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "50"]
[EventDate "1939.11.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Kralingen"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. exd5 cxd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Bd6 9. b3 0-0 10. Bb2 Re8 11. Nc3 Rc8 12. Rc1 Bb8 13. Ne2 e4 14. dxe4 dxe4 15. Nfd4 Bxh2+ 16. Kxh2 Ng4+ 17. Kg3 Qg5 18. f4 Qg6 19. Qd2 Ngf6+ 20. Kh2 Qh6+ 21. Kg1 Ng4 22. Rfd1 e3 23. Qe1 Qh2+ 24. Kf1 Qh1+ 25. Ng1 e2+ 0-1

[Event "NED-chT 1939/40"]
[Site "Netherlands"]
[Date "1939.11.12"]
[Round "1.3"]
[White "Oskam, Gerard"]
[Black "Wackers, Frans Lambert"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "59"]
[EventDate "1939.11.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7 6. d4 0-0 7. Bd3 f5 8. exf6 Nxf6 9. 0-0 Nc6 10. Bg5 Bg4 11. Be3 Qe8 12. Qd2 Bb4 13. Rae1 Ne4 14. Bxe4 dxe4 15. Ng5 Bf5 16. Bf4 Qg6 17. d5 Rad8 18. Qe2 Ne7 19. Qc4 Bd6 20. Ngxe4 Bxe4 21. Rxe4 Nc8 22. Qe2 Bxf4 23. Rexf4 Rxf4 24. Rxf4 Re8 25. Qf2 Nd6 26. h3 h6 27. Rg4 Qh5 28. Kh2 Qe5+ 29. g3 Nf5 30. Re4 1-0

[Event "NED Team-ch 1936/37 Relegation"]
[Site "Netherlands"]
[Date "1937.09.26"]
[Round "1.2"]
[White "Oskam, Gerard"]
[Black "Koomen, Willem"]
[Result "1/2-1/2"]
[ECO "C29"]
[PlyCount "49"]
[EventDate "1937.09.26"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam Max Euwe"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bb4 6. Be2 0-0 7. 0-0 c5 8. Qe1 Be6 9. d3 d4 10. dxe4 dxc3 11. bxc3 Ba5 12. Qg3 Kh8 13. Nh4 Bxc3 14. Qxc3 Qxh4 15. Qxc5 Nc6 16. Bd3 Qh5 17. Bb2 Rfe8 18. Rf2 Rac8 19. Bb5 a6 20. Bxc6 Rxc6 21. Qe3 Rec8 22. Qd3 h6 23. Bd4 b5 24. c3 Kh7 25. Qe3 1/2-1/2

[Event "NED Team-ch 1936/37"]
[Site "Netherlands"]
[Date "1937.02.14"]
[Round "4.2"]
[White "Oskam, Gerard"]
[Black "Fontein, George Salto"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "94"]
[EventDate "1936.11.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Den Haag DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 0-0 11. Nbd2 Nd7 12. Nf1 Nb6 13. Ne3 Be6 14. h3 Qc7 15. Bd2 Nc6 16. Qe2 Rfe8 17. g4 f6 18. Nh4 d5 19. Bb3 Qd7 20. Rad1 d4 21. Nef5 Bxb3 22. axb3 dxc3 23. bxc3 b4 24. cxb4 Nd4 25. Nxd4 cxd4 26. Nf5 Bf8 27. Ra1 Rec8 28. Ra2 Qe6 29. Rb1 Nd7 30. Qd1 Rab8 31. Rba1 Rc6 32. Ra4 Rb7 33. R1a3 Nb8 34. Ng3 Rcb6 35. Qe1 Qc6 36. Ra2 Qb5 37. Qb1 Nc6 38. Qc2 Bxb4 39. Bxb4 Nxb4 40. Qc8+ Kf7 41. Ra5 Qe8 42. Qc4+ Qe6 43. R2a3 Rc6 44. Qxe6+ Kxe6 45. R5a4 Rbb6 46. Ne2 Nxd3 47. f4 Nc5 0-1

[Event "NED Team-ch 1936/37"]
[Site "Netherlands"]
[Date "1937.01.10"]
[Round "3.2"]
[White "NN"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "53"]
[EventDate "1936.11.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 Bb4 7. Qa4+ Nc6 8. e3 0-0 9. Be2 dxc4 10. 0-0 Bxc3 11. bxc3 e5 12. Bxc4 Bg4 13. Bd5 Bd7 14. Qb3 exd4 15. cxd4 Qd6 16. e4 Rab8 17. h3 Nb4 18. Bc4 b5 19. Be2 Na6 20. Rfd1 Qe7 21. Ne5 c5 22. Qa3 Bc8 23. Nc6 Qxe4 24. Bf3 Qh4 25. Nxb8 Nxb8 26. dxc5 Qf4 27. c6 1-0

[Event "NED Team-ch 1936/37"]
[Site "Netherlands"]
[Date "1936.12.06"]
[Round "2.2"]
[White "Oskam, Gerard"]
[Black "Mulder, Emile AJM"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "21"]
[EventDate "1936.11.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. Nxd5 Nxe5 5. Ne3 c5 6. Nf3 Nbc6 7. Nc4 Qd5 8. Ncxe5 Nxe5 9. Nxe5 Qxe5+ 10. Qe2 Qd5 11. Qc4 1/2-1/2

[Event "NED Team-ch 1934/35"]
[Site "Netherlands"]
[Date "1934.12.09"]
[Round "2.1"]
[White "Oskam, Gerard"]
[Black "Mulder, Emile AJM"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "26"]
[EventDate "1934.11.04"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Qd3 Nc6 6. exd6 Qxd6 7. c3 e5 8. Nxe5 Nxe5 9. dxe5 Qxe5+ 10. Be2 0-0-0 11. Kf1 Nf6 12. Bxg4+ Nxg4 13. Qe2 Qf5 0-1

[Event "NED Team-ch 1933/34"]
[Site "Netherlands"]
[Date "1934.03.04"]
[Round "5.2"]
[White "Van Groningen, SH."]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "44"]
[EventDate "1933.11.05"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Bussum"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Nbd2 e6 5. Bd3 Bd6 6. 0-0 Nbd7 7. Re1 Ne4 8. Qe2 g5 9. h3 h5 10. Nh2 g4 11. Bxe4 dxe4 12. h4 Qxh4 13. Nhf1 c6 14. c4 Qg5 15. Ng3 Qg6 16. b3 h4 17. Ngf1 g3 18. f3 Nf6 19. Bb2 h3 20. d5 hxg2 21. Qxg2 Bh3 22. Qe2 g2 0-1

[Event "NED Team-ch 1932/33 relegation"]
[Site "Netherlands"]
[Date "1933.06.25"]
[Round "2.3"]
[White "Oskam, Gerard"]
[Black "Demmendal, WG."]
[Result "1-0"]
[ECO "B01"]
[PlyCount "13"]
[EventDate "1933.06.18"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 d5 2. Nf3 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Qe2 c6 6. Ngxe4 Nbd7 7. Nd6# 1-0

[Event "Bodegraven"]
[Site "Bodegraven"]
[Date "1933.??.??"]
[Round "?"]
[White "Alekhine, Alexander"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D17"]
[PlyCount "44"]
[EventDate "1933.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. e3 Nb4 8. Bxc4 e6 9. 0-0 Bd6 10. f3 Bxe5 11. dxe5 Qxd1 12. Rxd1 Nd7 13. f4 Nd5 14. e4 Nxc3 15. exf5 Nxd1 16. fxe6 fxe6 17. Bb3 0-0-0 18. Bxd1 Nxe5 19. Bb3 Nd3 20. Bxe6+ Kb8 21. Be3 Nxb2 22. a5 h6 1/2-1/2

[Event "NED Team-ch 1932/33"]
[Site "Netherlands"]
[Date "1932.11.20"]
[Round "1.1"]
[White "Fontein, George Salto"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "69"]
[EventDate "1932.11.06"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7 4. c4 e6 5. e3 Ngf6 6. Be2 Be7 7. 0-0 0-0 8. Nc3 dxc4 9. bxc4 Bxf3 10. gxf3 c5 11. Qc2 Qb8 12. f4 e5 13. f5 Re8 14. Bf3 a6 15. Rab1 Ra7 16. Ba1 b6 17. Rb3 Qd6 18. d3 Bd8 19. Qe2 Bc7 20. Ne4 Nxe4 21. Bxe4 Nf6 22. Qf3 Nxe4 23. Qxe4 Rd8 24. f4 exf4 25. Rxf4 f6 26. Rh4 Bb8 27. Qg4 Kh8 28. Qh5 h6 29. Qg6 Rf8 30. Bb2 Raf7 31. d4 Qc6 32. d5 Qd6 33. e4 Qd8 34. Rbh3 Qe7 35. Bc1 1-0

[Event "NED Team-ch 1931/32"]
[Site "Netherlands"]
[Date "1932.03.13"]
[Round "5.2"]
[White "Oskam, Gerard"]
[Black "Fontein, George Salto"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "37"]
[EventDate "1931.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Nxd8 7. Nxe5 Nxe4 8. Bd3 Nc5 9. Bc2 Be7 10. 0-0 0-0 11. Be3 Nd7 12. Nxd7 Bxd7 13. Nd2 Ne6 14. Nf3 Bc5 15. Bxc5 Nxc5 16. Ne5 Be6 17. Nd3 Nxd3 18. Bxd3 Rfd8 19. Rfd1 1/2-1/2

[Event "NED Team-ch 1931/32"]
[Site "Netherlands"]
[Date "1932.02.21"]
[Round "4.4"]
[White "Van Foreest, Dirk"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "61"]
[EventDate "1931.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Bussum"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. Be2 Nf6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 0-0 8. 0-0 d5 9. exd5 Nb4 10. d6 Qxd6 11. Ncb5 Qb8 12. c4 e5 13. Nb3 b6 14. a3 Nc6 15. Qd6 Qb7 16. Bf3 e4 17. Be2 Ne8 18. Qd2 Be6 19. Qc2 Ne5 20. N3d4 Bd7 21. Nc3 Nd6 22. Nd5 h6 23. Rad1 Kh7 24. b3 Rac8 25. a4 Bg4 26. f3 exf3 27. Nxf3 Nf5 28. Nxe5 Nxe3 29. Nxe3 Bxe2 30. Rd7 Rc7 31. Rfxf7 1-0

[Event "NED Team-ch 1931/32"]
[Site "Netherlands"]
[Date "1932.01.10"]
[Round "3.3"]
[White "Piccardt, CH."]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "D27"]
[PlyCount "48"]
[EventDate "1931.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 c5 5. e3 e6 6. Bxc4 a6 7. Bd3 Nc6 8. 0-0 Be7 9. a3 0-0 10. dxc5 Bxc5 11. b4 Bd6 12. Ne4 Nxe4 13. Bxe4 f5 14. Bc2 Qc7 15. e4 f4 16. Bb2 e5 17. Qd3 Rd8 18. Bb3+ Kh8 19. Qc4 Bg4 20. Rfd1 Rac8 21. Qf7 Bxf3 22. Qxc7 Bxc7 23. gxf3 Nd4 24. Rd3 Ne2+ 0-1

[Event "NED Team-ch 1931/32"]
[Site "Netherlands"]
[Date "1931.11.15"]
[Round "1.3"]
[White "Kroone, Gerard"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "33"]
[EventDate "1931.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam ASC"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 exd4 7. Re1 d5 8. Bg5 f6 9. Bh4 Be7 10. Nxd4 Bd7 11. Qh5+ g6 12. Qxd5 Nc5 13. Qxc5 Ne5 14. Rxe5 fxe5 15. Qxe5 Bxa4 16. Qxh8+ Kd7 17. Qxh7 1-0

[Event "NED Team-ch 1930/31"]
[Site "Netherlands"]
[Date "1931.02.07"]
[Round "4.3"]
[White "Oskam, Gerard"]
[Black "Van Foreest, Arnold E"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "71"]
[EventDate "1930.11.09"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Qa4+ Nc6 6. Bd2 0-0 7. Nf3 Bxc3 8. Bxc3 Ne4 9. Qc2 Qe7 10. a3 Nxc3 11. Qxc3 a6 12. Bd3 Re8 13. Rd1 dxc4 14. Bxc4 e5 15. Nxe5 Nxe5 16. dxe5 Bg4 17. Rd4 Bh5 18. f4 Rad8 19. 0-0 c5 20. Rxd8 Rxd8 21. e4 Rd4 22. Bd5 Be2 23. Rc1 b6 24. Qxd4 cxd4 25. Rc8+ Qf8 26. Rxf8+ Kxf8 27. Kf2 Bd3 28. Kf3 Ke7 29. f5 b5 30. g4 a5 31. b3 g5 32. f6+ Kf8 33. e6 fxe6 34. Bxe6 b4 35. axb4 axb4 36. Bd5 1-0

[Event "NED Team-ch 1930/31"]
[Site "Netherlands"]
[Date "1931.01.25"]
[Round "3.3"]
[White "Oskam, Gerard"]
[Black "Loman, Rudolf Johannes"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "104"]
[EventDate "1930.11.09"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3 Bb4 5. fxe5 Ng4 6. d4 dxe4 7. Be2 Nc6 8. Bxg4 Qh4+ 9. g3 Qxg4 10. Qxg4 Bxg4 11. h3 Be6 12. Be3 0-0-0 13. Nge2 Bxc3+ 14. bxc3 Bc4 15. Rf1 h6 16. Rf4 Bd5 17. Rf1 Ne7 18. g4 Bc4 19. Rh1 Nd5 20. Kd2 Bxe2 21. Kxe2 Nxc3+ 22. Kd2 Nb5 23. c3 c5 24. a4 Nc7 25. Rhf1 Rd7 26. Rf4 cxd4 27. cxd4 Ne6 28. Rc1+ Kd8 29. Rxe4 Ng5 30. Bxg5+ hxg5 31. Rc3 Rd5 32. Rd3 Ke7 33. Kc3 Ke6 34. Re1 Rc8+ 35. Kb4 Rc6 36. Ra1 Rb6+ 37. Kc3 Ra6 38. Ra3 Rc6+ 39. Kb4 a5+ 40. Kb3 Rd7 41. Kb2 Rc4 42. Rab3 Rxa4 43. d5+ Kxe5 44. d6 Rb4 45. Rxb4 axb4 46. Kb3 Rxd6 47. Re3+ Kf4 48. Re7 Rd3+ 49. Kxb4 Rxh3 50. Rxf7+ Kxg4 51. Rxg7 Rh1 52. Kc3 Rb1 0-1

[Event "NED Team-ch 1929/30"]
[Site "Netherlands"]
[Date "1929.12.01"]
[Round "2.2"]
[White "Spanjaard, Eduard"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "55"]
[EventDate "1929.11.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. cxd5 exd5 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. 0-0-0 c6 11. Ng3 Ng4 12. h4 h6 13. Bxe7 Qxe7 14. e4 Qf6 15. Rd2 Qxd4 16. exd5 Qe5 17. Kb1 Bd7 18. Bc4 Ne3 19. fxe3 Qxg3 20. Rf1 cxd5 21. Bxd5 Be6 22. Rdf2 Re7 23. Bxe6 Nxe6 24. Nd5 Rd7 25. Qe4 Re8 26. Rf4 Rxd5 27. Qxd5 Nxf4 28. exf4 1/2-1/2

[Event "NED Team-ch 1929/30"]
[Site "Netherlands"]
[Date "1929.11.10"]
[Round "1.2"]
[White "Van Hartingsvelt, Hendrik"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "88"]
[EventDate "1929.11.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam ASC"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 Ne4 7. Nxe4 dxe4 8. Bxe7 Qxe7 9. Nd2 f5 10. Qb3 Kh8 11. 0-0-0 e5 12. d5 Nd7 13. f3 exf3 14. gxf3 e4 15. fxe4 Nc5 16. Qa3 fxe4 17. Nxe4 Qxe4 18. Qxc5 Re8 19. Bd3 Qxe3+ 20. Qxe3 Rxe3 21. Rde1 Rxe1+ 22. Rxe1 Bd7 23. Re7 Rd8 24. Kc2 Kg8 25. Kc3 Kf8 26. Re1 g6 27. c5 Be8 28. Bc4 Bf7 29. Rf1 Ke8 30. Rd1 Kf8 31. b4 g5 32. Rf1 Kg7 33. Rf5 h6 34. b5 Bg6 35. Re5 Re8 36. Rxe8 Bxe8 37. d6 cxd6 38. cxd6 Kf6 39. Kd4 g4 40. a4 Bd7 41. Bd5 b6 42. Ke4 h5 43. Kf4 h4 44. Bb3 g3 1/2-1/2

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1929.03.24"]
[Round "5.2"]
[White "Oskam, Gerard"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "24"]
[EventDate "1928.11.04"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 d5 3. Nc3 c6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 c5 12. dxc5 Qxd1 1/2-1/2

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1929.02.24"]
[Round "4.2"]
[White "Oskam, Gerard"]
[Black "Spanjaard, Eduard"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "67"]
[EventDate "1928.11.04"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. 0-0 e6 7. d3 Nge7 8. Be3 Nd4 9. Qd2 Qb6 10. Nd1 Nec6 11. c3 Nxe2+ 12. Qxe2 Bd7 13. f4 Ne7 14. Bf2 Bc6 15. Ne3 0-0 16. g4 Rae8 17. Qc2 f5 18. gxf5 gxf5 19. b4 Qc7 20. bxc5 dxc5 21. Bg3 Ng6 22. e5 Rd8 23. Nc4 Bxg2 24. Kxg2 Ne7 25. Nd6 Nc8 26. Nxc8 Qxc8 27. Rad1 Qc6+ 28. Kg1 Rf7 29. Qg2 Qxg2+ 30. Kxg2 Rfd7 31. Bh4 Rc8 32. Rd2 c4 33. d4 Bf8 34. Kf3 1/2-1/2

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1929.01.27"]
[Round "3.2"]
[White "Van Hartingsvelt, Hendrik"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "43"]
[EventDate "1928.11.04"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam ASC"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Nc3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. b3 cxd4 9. exd4 Qa5 10. Bb2 dxc4 11. bxc4 Ba3 12. Bxa3 Qxa3 13. Qd2 b6 14. Rfe1 Bb7 15. Nb5 Qa5 16. Qb2 Rad8 17. Ne5 Nxe5 18. Rxe5 Nd7 19. Re3 Nf6 20. Bxh7+ Kxh7 21. Ra3 Qxa3 22. Qxa3 1-0

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1928.11.04"]
[Round "1.2"]
[White "Van den Bosch, Johannes"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C67"]
[PlyCount "55"]
[EventDate "1928.11.04"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 exd4 6. Re1 d5 7. Nxd4 Bd6 8. Nxc6 Bxh2+ 9. Kh1 Qh4 10. Rxe4+ dxe4 11. Qd8+ Qxd8 12. Nxd8+ Kxd8 13. Kxh2 c6 14. Bc4 f5 15. Nc3 h6 16. Be3 Ke7 17. Bc5+ Kf6 18. Rd1 Be6 19. Bxe6 Kxe6 20. Rd6+ Kf7 21. Rd7+ Kg6 22. Ne2 Rhd8 23. Nf4+ Kh7 24. Rxb7 Rab8 25. Rxa7 Rxb2 26. Nh5 Rxc2 27. Rxg7+ Kh8 28. Rc7 1-0

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.03.18"]
[Round "5.4"]
[White "Strick van Linschoten, Hendrik"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "59"]
[EventDate "1927.11.06"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 Bb6 6. d4 Nf6 7. Re1 d6 8. Qd3 Bg4 9. Be3 0-0 10. Nbd2 Rad8 11. d5 Nb8 12. Bxb6 axb6 13. h3 Bc8 14. g4 h5 15. g5 Nh7 16. h4 f5 17. g6 Nf6 18. exf5 Ng4 19. Ng5 Bxf5 20. Qg3 Bd7 21. Nf7 Rxf7 22. gxf7+ Qxf7 23. f3 Nh6 24. Ne4 Rf8 25. Ng5 Qf4 26. Qxf4 Rxf4 27. Re4 Rf6 28. Rxe5 dxe5 29. d6+ Kh8 30. dxc7 1-0

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.02.05"]
[Round "4.3"]
[White "Oskam, Gerard"]
[Black "Willems, JL."]
[Result "0-1"]
[ECO "D02"]
[PlyCount "58"]
[EventDate "1927.11.06"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c3 d5 5. Bg2 Nc6 6. 0-0 Ne4 7. Nbd2 f5 8. Ne5 cxd4 9. Nxc6 bxc6 10. cxd4 Bd6 11. f3 Nf6 12. e4 Qb6 13. Nb3 0-0 14. Kh1 fxe4 15. fxe4 dxe4 16. Bg5 Ba6 17. Re1 Bd3 18. Bxf6 Rxf6 19. Bxe4 Bxe4+ 20. Rxe4 Raf8 21. Qg4 Qb5 22. Qe2 Qd5 23. Re1 Rf2 24. Qg4 R8f6 25. Kg1 Bb4 26. R1e2 Rf1+ 27. Kg2 h5 28. Qh4 Be7 29. g4 R1f4 0-1

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.01.08"]
[Round "3.2"]
[White "Weenink, Henri Gerard"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "83"]
[EventDate "1927.11.06"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 0-0 7. Bxc6 dxc6 8. Nxe5 Re8 9. d3 Bd6 10. Nf3 Nd5 11. Qd1 Nb6 12. Bg5 f6 13. Bd2 Bg4 14. h3 Bd7 15. Nc3 Nc8 16. Re1 c5 17. Ne2 Ne7 18. Bf4 Nc6 19. Bxd6 cxd6 20. Nf4 Ne5 21. d4 Nxf3+ 22. Qxf3 cxd4 23. Qb3+ Kh8 24. Rad1 Bc6 25. Rxd4 Re5 26. Nd5 Bxd5 27. Rxd5 Qe7 28. Rxe5 dxe5 29. Rd1 h6 30. Qb6 Rc8 31. c3 Kh7 32. Qd6 Qxd6 33. Rxd6 Rc7 34. Kf1 Kg6 35. Ke2 Kf7 36. Kd3 Ke7 37. Rd5 Rc6 38. c4 Ke8 39. b4 Ke7 40. a4 Rc7 41. c5 Rc8 42. Rd6 1-0

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1927.12.11"]
[Round "2.2"]
[White "Oskam, Gerard"]
[Black "Keemink, John W"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "55"]
[EventDate "1927.11.06"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 Nf6 5. Bg2 d5 6. exd5 exd5 7. d4 cxd4 8. Nxd4 Bc5 9. Qe2+ Qe7 10. Qxe7+ Nxe7 11. Ndb5 0-0 12. Bg5 Bf5 13. Bxf6 gxf6 14. 0-0-0 Bxf2 15. Nxd5 Nxd5 16. Bxd5 Rac8 17. Bb3 Bg4 18. Rd6 Kg7 19. Rf1 Be3+ 20. Kb1 f5 21. Nc3 Rfd8 22. Rxd8 Rxd8 23. Nd5 Bc5 24. a4 Re8 25. Nf4 Bd6 26. h3 Bxf4 27. hxg4 Bxg3 28. Rxf5 1/2-1/2

[Event "NED-BEL m 4th"]
[Site "The Hague"]
[Date "1927.11.20"]
[Round "1.10"]
[White "Prils, Oscar"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "67"]
[EventDate "1927.11.20"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 Nc6 3. e3 Nf6 4. Nf3 Bg4 5. Nbd2 e5 6. dxe5 Nxe5 7. Qa4+ Bd7 8. Qb3 dxc4 9. Bxc4 Nxc4 10. Qxc4 b5 11. Qb3 Bd6 12. 0-0 0-0 13. Qc2 Re8 14. b3 Qc8 15. Bb2 Bf5 16. Qc6 Qd8 17. Bxf6 Qxf6 18. Qxb5 Rad8 19. Rfe1 Bd3 20. Qa4 a6 21. Rac1 Bb5 22. Qg4 Ba3 23. Rxc7 Rxd2 24. Nxd2 Qd6 25. Nc4 Qxc7 26. Nxa3 Qa5 27. Nc2 Bd3 28. Nb4 Bf5 29. Qf4 Be4 30. Qd6 Qg5 31. Qg3 Qa5 32. f3 Qxb4 33. fxe4 Qxe4 34. Qf3 1/2-1/2

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.04.03"]
[Round "5.2"]
[White "Oskam, Gerard"]
[Black "Goud, JH."]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "59"]
[EventDate "1926.11.07"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nd2 d5 3. e3 Nbd7 4. f4 e6 5. Bd3 c5 6. c3 Bd6 7. Nh3 a6 8. Qf3 b5 9. Nf2 cxd4 10. exd4 Nb6 11. g4 Qc7 12. Nf1 Bb7 13. g5 Nfd7 14. Ng4 0-0-0 15. Ne5 Nxe5 16. fxe5 Bf8 17. Qe2 g6 18. Ne3 h6 19. Ng4 hxg5 20. Bxg5 Be7 21. Bxe7 Qxe7 22. 0-0-0 Rh4 23. Kb1 Rdh8 24. Rdf1 Qg5 25. Nf6 Bc6 26. Rf2 Nc4 27. Rhf1 Ne3 28. Rh1 Nf5 29. Rg2 Qh6 30. Ng4 1/2-1/2

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.03.27"]
[Round "1.2"]
[White "Oskam, Gerard"]
[Black "Loman, Rudolf Johannes"]
[Result "0-1"]
[ECO "C49"]
[PlyCount "92"]
[EventDate "1926.11.07"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. Qe2 Qxe5 9. Nc3 Qxe2+ 10. Nxe2 Bf5 11. Nd4 Bg6 12. 0-0 0-0-0 13. c3 Bd3 14. Re1 Bc5 15. Nf3 f6 16. b4 Bd6 17. Bb2 Rd7 18. g3 c5 19. Re3 c4 20. a4 c6 21. Nd4 Re7 22. Rae1 Rhe8 23. Kg2 Kd7 24. Kf3 a6 25. Ra1 g6 26. Rae1 f5 27. Kg2 g5 28. f3 h5 29. h3 f4 30. Rxe7+ Rxe7 31. Rxe7+ Kxe7 32. g4 hxg4 33. hxg4 c5 34. bxc5 Bxc5 35. Kf2 Kd6 36. Ke1 Kd5 37. Kd1 b6 38. Bc1 Bg6 39. Nc2 a5 40. Na3 Be8 41. Nb5 Bc6 42. Ke2 Ke5 43. Ba3 Bxa3 44. Nxa3 Kd5 45. d3 cxd3+ 46. Kxd3 Kc5 0-1

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.01.09"]
[Round "3.3"]
[White "Oskam, Gerard"]
[Black "Schelfhout, Willem AT"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "45"]
[EventDate "1926.11.07"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Be7 6. 0-0 0-0 7. c3 Re8 8. Bf4 Nbd7 9. Nbd2 Nb6 10. Ne5 c6 11. Ndf3 Ng4 12. Qd2 Nxe5 13. Nxe5 f6 14. Nf3 Bg4 15. Ne1 Bd6 16. Bg3 Re7 17. Nc2 Qd7 18. Ne3 Bxg3 19. hxg3 Rae8 20. Nxg4 Qxg4 21. Rae1 Rxe1 22. Rxe1 Rxe1+ 23. Qxe1 1/2-1/2

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1926.12.12"]
[Round "2.2"]
[White "Oskam, Gerard"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "34"]
[EventDate "1926.11.07"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. f3 exf3 8. Qxf3 Nf6 9. Ne3 c6 10. Bd3 Qh5 11. Qg3 Be6 12. 0-0 Nbd7 13. Bf5 Qf7 14. Bd2 0-0-0 15. Rae1 Bxf5 16. Nxf5 Nb6 17. Bg5 d5 1/2-1/2

[Event "BEL-NED m"]
[Site "Brussels"]
[Date "1926.11.21"]
[Round "1.8"]
[White "Oskam, Gerard"]
[Black "Barzin, Marcel"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "23"]
[EventDate "1926.11.21"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "BEL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Qd6 5. exd5 Qxd5 6. Bb5 Bd7 7. 0-0 Be7 8. d4 exd4 9. cxd4 Nb4 10. Nc3 Qf5 11. Re1 Nd5 12. Bxd7+ 1-0

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1926.03.28"]
[Round "5.8"]
[White "Oskam, Gerard"]
[Black "Nieukerke, Karel J"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "66"]
[EventDate "1925.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 c5 5. c3 Nbd7 6. f4 b6 7. Nh3 Bb7 8. Nf2 Be7 9. 0-0 0-0 10. g4 g6 11. g5 Ne8 12. e4 dxe4 13. Ndxe4 cxd4 14. cxd4 Nb8 15. Be3 Nc6 16. Bc4 Ng7 17. d5 exd5 18. Bxd5 Nf5 19. Bc1 Na5 20. Ng4 Bxd5 21. Ngf6+ Bxf6 22. Nxf6+ Kg7 23. Nxd5 Qd6 24. Bd2 Qxd5 25. Bc3+ Nd4 26. Bxd4+ Kg8 27. Bc3 Qxd1 28. Raxd1 Nc4 29. Rd4 Ne3 30. Rf3 Nf5 31. Rd7 Ng7 32. Bxg7 Kxg7 33. Rc3 Rfc8 1/2-1/2

[Event "Match/City Antwerp-Rotterdam"]
[Site "Antwerp"]
[Date "1926.01.23"]
[Round "1.4"]
[White "Oskam, Gerard"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "31"]
[EventDate "1926.01.23"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "BEL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg5 c6 6. Bd3 Be7 7. Nge2 Qc7 8. Qd2 Nbd7 9. Ng3 Nb6 10. b3 0-0 11. 0-0 Be6 12. Nf5 Bxf5 13. Bxf5 Rfe8 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Rfe1 1/2-1/2

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1926.01.10"]
[Round "3.3"]
[White "Kroone, Gerard"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "100"]
[EventDate "1925.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam ASC"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. b3 b6 3. Bb2 Bb7 4. e3 c5 5. Bb5 g6 6. 0-0 Bg7 7. d4 cxd4 8. exd4 0-0 9. Nbd2 Na6 10. Re1 Nc7 11. Bd3 Rc8 12. Nc4 Ncd5 13. Qd2 Ng4 14. Nce5 Bh6 15. Qd1 Nc3 16. Bxc3 Nxe5 17. Nxe5 Rxc3 18. Qg4 d6 19. Nc4 d5 20. Ne5 Bg7 21. Re3 Bc8 22. Qf4 Qd6 23. Qh4 Rc7 24. Rae1 Bf6 25. Qg3 Bg7 26. h4 Bh6 27. R3e2 Kh8 28. Kf1 Bg7 29. Re3 Kg8 30. h5 f6 31. Ng4 Qxg3 32. Rxg3 Bxg4 33. Rxg4 gxh5 34. Rh4 e5 35. f3 h6 36. Rxh5 Rd8 37. c4 Kf8 38. dxe5 fxe5 39. Rf5+ Ke8 40. f4 Re7 41. fxe5 dxc4 42. Bxc4 Rd2 43. a4 Kd8 44. e6 Bd4 45. Re4 Bc5 46. Rh4 Be3 47. Rh3 Bg5 48. Rhf3 a5 49. Rf8+ Re8 50. R3f7 Rd6 1/2-1/2

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1925.11.22"]
[Round "1.2"]
[White "Pannekoek, Johannes Henricius"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "89"]
[EventDate "1925.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d6 2. e4 Nd7 3. Nf3 e5 4. dxe5 dxe5 5. Bc4 Qf6 6. Bg5 Qg6 7. 0-0 Be7 8. Qd2 h6 9. Bxe7 Nxe7 10. Nc3 0-0 11. Rae1 c6 12. Re3 Qf6 13. Ne1 Ng6 14. Nd3 Nb6 15. Bb3 Be6 16. Rf3 Qe7 17. Rg3 Nc4 18. Qd1 Rad8 19. Qh5 Kh7 20. f4 exf4 21. Nxf4 Nxf4 22. Rxf4 Qd6 23. Rh4 Qd4+ 24. Kh1 Qd2 25. h3 g6 26. Qc5 b6 27. Qxc6 Rc8 28. Qb7 g5 29. Rh5 Kg6 30. Bxc4 Rxc4 31. Qe7 Rfc8 32. Rxh6+ Kxh6 33. Qf6+ Kh7 34. Rxg5 Qc1+ 35. Kh2 Qxg5 36. Qxg5 R8c5 37. Qh4+ Kg8 38. Qg3+ Kf8 39. Qb8+ Rc8 40. Qf4 Rd4 41. Qf3 Rcd8 42. Qe3 Rd2 43. Nd5 Rxc2 44. Qa3+ Kg7 45. Qg3+ 1-0

[Event "NED Team-ch 1924/25"]
[Site "Netherlands"]
[Date "1925.03.29"]
[Round "1.1"]
[White "Fontein, George Salto"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "57"]
[EventDate "1924.11.09"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Bd3 Nc6 6. 0-0 Bd6 7. b3 0-0 8. Bb2 Qe7 9. Ne5 Rd8 10. Nxc6 bxc6 11. Nd2 cxd4 12. exd4 Ba6 13. Nf3 Ba3 14. Bxa3 Qxa3 15. c5 Bxd3 16. Qxd3 Nd7 17. Ne1 Nb8 18. Nc2 Qa6 19. Qc3 Qb7 20. b4 Na6 21. Rfb1 Nc7 22. a4 Rdb8 23. Na3 a6 24. Rb3 Qc8 25. Rab1 Qe8 26. f4 Rb7 27. Nc2 Rab8 28. Ne1 f6 29. R3b2 1/2-1/2

[Event "NED Team-ch 1924/25"]
[Site "Netherlands"]
[Date "1924.11.23"]
[Round "2.2"]
[White "Pannekoek, Johannes Henricius"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "71"]
[EventDate "1924.11.09"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Ne4 9. 0-0 Nxg5 10. Nxg5 Nf6 11. e4 h6 12. Nxf7 Kxf7 13. e5 Ne8 14. f4 Bb4 15. Rc1 Rf8 16. Qh5+ Ke7 17. f5 Kd8 18. a3 Bxc3 19. Qh4+ Kd7 20. Rxc3 Rh8 21. Rfc1 Qd8 22. e6+ Kc7 23. Rxc6+ bxc6 24. Rxc6+ Kxc6 25. Qxd8 Bb7 26. Qd7+ Kb6 27. Qb5+ Kc7 28. Qc5+ Kb8 29. Qe7 a6 30. Be2 Bc6 31. Bf3 Nc7 32. Qxg7 Kb7 33. f6 Rad8 34. e7 Rdg8 35. Qxg8 Rxg8 36. f7 1-0

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.18"]
[Round "6"]
[White "Marin y Llovet, Valentin"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "27"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Spain II"]
[BlackTeam "Netherlands II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "NED"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. Nf3 Nb4 5. Be2 Bf5 6. Na3 c5 7. c3 Nc6 8. 0-0 e6 9. Ne5 Bd6 10. f4 Bxe5 11. fxe5 Ne4 12. Nc2 0-0 13. Ne1 c4 14. Nf3 1/2-1/2

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.18"]
[Round "7"]
[White "Oskam, Gerard"]
[Black "Fernandez Coria, Valentin"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "32"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Netherlands II"]
[BlackTeam "Argentina IV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ARG"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d5 5. Bb5 Nxe4 6. Nxe5 Bd7 7. Nxd7 Qxd7 8. Nd2 Nxd2 9. Bxd2 Be7 10. 0-0 0-0 11. Re1 Rae8 12. Qf3 Bf6 13. Rxe8 Rxe8 14. Re1 Rxe1+ 15. Bxe1 a6 16. Bxc6 Qxc6 1/2-1/2

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.17"]
[Round "4"]
[White "Malmberg, Erik"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "56"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Finland II"]
[BlackTeam "Netherlands II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 h6 12. Bf4 Re8 13. h3 Be6 14. Ne2 Bd6 15. Rfe1 c5 16. c3 Rb8 17. b3 Ne4 18. Bxe4 dxe4 19. Qg3 Bxf4 20. Nxf4 Bf5 21. c4 Qg5 22. Qxg5 hxg5 23. Nd5 Bc8 24. f3 f5 25. fxe4 fxe4 26. Re3 Bb7 27. Rae1 Bxd5 28. cxd5 Rb4 1/2-1/2

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.17"]
[Round "5"]
[White "Oskam, Gerard"]
[Black "Skalicka, Carlos"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "53"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Netherlands II"]
[BlackTeam "Czechoslovakia IV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CSR"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. d4 Nbd7 9. Nc3 h6 10. Be3 Nb6 11. Nd2 0-0-0 12. 0-0-0 Re8 13. Bf4 a6 14. Re1 Qd7 15. Qd1 g5 16. Be3 Bg7 17. Nb3 Nfd5 18. Nxd5 Bxd5 19. Kb1 f5 20. f3 Qa4 21. Bd3 Rhf8 22. Bf2 Qd7 23. Rxe8+ Rxe8 24. Re1 Rxe1 25. Qxe1 Kb8 26. Qd1 Qf7 27. Qe2 1/2-1/2

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.16"]
[Round "2"]
[White "O'Hanlon, John"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "43"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Netherlands II"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. Bd3 Nc6 8. d5 Nb4 9. Be2 Bf5 10. Nd4 Bg6 11. 0-0 Bf6 12. a3 c5 13. dxc6 Nxc6 14. Nxc6 bxc6 15. Bf3 Rc8 16. Re1+ Be5 17. c5 Nd5 18. Bxd5 cxd5 19. f4 Be4 20. fxe5 dxe5 21. Nc3 f5 22. Nxd5 1-0

[Event "Amateur Olympiad Final B"]
[Site "Paris"]
[Date "1924.07.16"]
[Round "3"]
[White "Oskam, Gerard"]
[Black "Kohn, Stanislaw"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "56"]
[EventDate "1924.07.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Netherlands II"]
[BlackTeam "Poland III"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 Kh8 15. c3 Ba5 16. Nd4 c5 17. Nf5 Rb8 18. Rab1 Re8 19. Nd6 Re7 20. Rfe1 Rxe1+ 21. Rxe1 Be6 22. Re2 Rb6 23. Nc8 Bxc8 24. Re8+ Kg7 25. Rxc8 Rxb2 26. Rxc5 Bb6 27. Rb5 Rd2 28. Rxd5 Rd1+ 0-1

[Event "Amateur Olympiad Preliminaries-2"]
[Site "Paris"]
[Date "1924.07.14"]
[Round "5"]
[White "Oskam, Gerard"]
[Black "Cenni, Giovanni"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "51"]
[EventDate "1924.07.12"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Netherlands II"]
[BlackTeam "Italy"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ITA"]

1. d4 d5 2. Nd2 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. f4 Bd6 7. Nh3 Qe7 8. 0-0 Bd7 9. Nf3 h6 10. Ne5 0-0-0 11. Bd2 Rdg8 12. Qf3 Be8 13. Kh1 Nd7 14. Nxc6 bxc6 15. e4 g5 16. Nf2 Bxf4 17. Ba6+ Kc7 18. Bxf4+ gxf4 19. Qxf4+ Kb6 20. Bd3 Qg5 21. Qf3 Rg7 22. Rfe1 Rhg8 23. Bf1 Qh4 24. Qe2 Nf6 25. Qa6+ Kc7 26. Qxa7+ 1/2-1/2

[Event "Amateur Olympiad Preliminaries-2"]
[Site "Paris"]
[Date "1924.07.13"]
[Round "4"]
[White "Rozic, Kosta"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "80"]
[EventDate "1924.07.12"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Netherlands II"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Ne4 5. cxd5 cxd5 6. Qb3 e6 7. Bf4 Nxc3 8. bxc3 Bd6 9. g3 Nc6 10. Bg2 Qc7 11. Bxd6 Qxd6 12. 0-0 0-0 13. Nd2 b6 14. e4 Ba6 15. Rfe1 Na5 16. Qa4 Nc4 17. Qxa6 Nxd2 18. exd5 exd5 19. Re5 Qc6 20. Qd3 Ne4 21. Rxe4 dxe4 22. Bxe4 Qc7 23. Bxa8 Rxa8 24. Re1 Rc8 25. d5 Qd6 26. Qf5 Rd8 27. c4 g6 28. Qe5 Qa3 29. Qe7 Rd6 30. Re3 Qc5 31. Rf3 f5 32. Re3 a6 33. h4 b5 34. Qe8+ Kg7 35. Re7+ Kh6 36. Qf8+ Kh5 37. Rxh7+ Kg4 38. Kg2 Qa3 39. Qxd6 Qf3+ 40. Kg1 Kh3 0-1

[Event "Amateur Olympiad Preliminaries-2"]
[Site "Paris"]
[Date "1924.07.12"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Koltanowski, George"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "48"]
[EventDate "1924.07.12"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Netherlands II"]
[BlackTeam "Belgium II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Qc7 10. Qc2 h6 11. b3 a5 12. a3 e5 13. Bb2 Nxe4 14. Bxe4 exd4 15. Nxd4 Nc5 16. Bf3 Bd7 17. Rfe1 Bf6 18. Ne2 Bxb2 19. Qxb2 Nd3 20. Qd2 Nxe1 21. Rxe1 Rad8 22. Qc3 Rfe8 23. Rc1 Bf5 24. Ng3 Bg6 0-1

[Event "NED Team-ch 1923/24"]
[Site "Netherlands"]
[Date "1924.04.13"]
[Round "5.2"]
[White "Van Hartingsvelt, Hendrik"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "35"]
[EventDate "1923.11.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam ASC"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. a3 a5 9. Nc3 e6 10. Nf3 Be7 11. d5 exd5 12. cxd5 Nb8 13. Bxb6 cxb6 14. Bb5+ Nd7 15. Nd4 Bg6 16. e6 fxe6 17. Nxe6 Qb8 18. 0-0 1-0

[Event "NED Team-ch 1923/24"]
[Site "Netherlands"]
[Date "1924.01.13"]
[Round "3.2"]
[White "Oskam, Gerard"]
[Black "Fontein, George Salto"]
[Result "1/2-1/2"]
[ECO "C64"]
[PlyCount "47"]
[EventDate "1923.11.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Bc5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nc6 6. Bb5 Nge7 7. 0-0 0-0 8. Be3 Bb6 9. Qd2 Kh8 10. a4 f5 11. exf5 Nxd4 12. Bxd4 Bxf5 13. Bxb6 axb6 14. Ne2 c6 15. Bd3 Bxd3 16. Qxd3 Nf5 17. Nd4 Qf6 18. Nxf5 Qxf5 19. Qxf5 Rxf5 20. Rfe1 Kg8 21. Re7 Rf7 22. Re6 Rf6 23. Re7 Rf7 24. Re6 1/2-1/2

[Event "NED Team-ch 1923/24"]
[Site "Netherlands"]
[Date "1923.11.18"]
[Round "1.2"]
[White "Goud, JH."]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "24"]
[EventDate "1923.11.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Bf5 7. Qf3 Qc8 8. Be3 Nc6 9. c5 dxc5 10. dxc5 Ne5 11. Qf4 Ng6 12. Qf3 Ne5 1/2-1/2

[Event "Match/Federation Vienna-NED"]
[Site "Vienna"]
[Date "1923.08.28"]
[Round "?"]
[White "Wolf, Siegfried Reginald"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "47"]
[EventDate "1923.08.28"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "AUT"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. e5 Nfd7 4. f4 c5 5. Nf3 e6 6. c3 Nc6 7. Na3 a6 8. Nc2 b5 9. d4 Bb7 10. Be3 Rc8 11. Bd3 Qb6 12. 0-0 b4 13. Bf2 Be7 14. f5 Nd8 15. Ne3 a5 16. g4 Ba6 17. Ng2 h5 18. g5 exf5 19. Nf4 bxc3 20. bxc3 Bc4 21. Bxc4 dxc4 22. d5 Nb7 23. Rb1 Qa6 24. Qa4 1-0

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.08.02"]
[Round "10"]
[White "Maroczy, Geza"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "50"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Be7 6. Nbd2 0-0 7. Ne5 Nbd7 8. f4 Ne8 9. 0-0 f5 10. g4 Ndf6 11. g5 Ne4 12. h4 Bd7 13. Qf3 b5 14. Qh3 c4 15. Bc2 b4 16. Ndf3 bxc3 17. bxc3 Nxc3 18. h5 Nd6 19. Ng6 Re8 20. Ba3 Nce4 21. Nfe5 Nc8 22. Rab1 Bxa3 23. Rb7 Nb6 24. Nxd7 Nd6 25. Nxb6 axb6 0-1

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.08.01"]
[Round "9"]
[White "Oskam, Gerard"]
[Black "Reti, Richard"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "65"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 h6 10. Nbd2 Re8 11. Nf1 Bf8 12. Ne3 g6 13. h3 Bg7 14. Nh2 Na5 15. Bc2 c6 16. Neg4 Kh7 17. Be3 d5 18. Qf3 Ng8 19. Nf1 f5 20. exf5 gxf5 21. Ngh2 Ne7 22. Rad1 Ng6 23. Bc1 f4 24. Nd2 Rg8 25. d4 e4 26. Nxe4 dxe4 27. Qxe4 Qf6 28. Bxf4 Rf8 29. g4 Bd7 30. Nf3 Be8 31. Ne5 Nc4 32. Bg3 Nd6 33. Qd3 1-0

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.31"]
[Round "8"]
[White "Norman Hansen, Holger"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "78"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[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. a3 Qd7 10. Nf3 Bg4 11. c5 Nd5 12. Bf2 Rd8 13. Bb5 Be7 14. 0-0 0-0 15. Rc1 Bg5 16. Nxd5 Qxd5 17. Bxc6 Qxc6 18. Rc3 Be7 19. Qc1 Bf5 20. Re1 Rd7 21. b4 a6 22. Nd2 Bg5 23. Qb2 Bxd2 24. Qxd2 Be4 25. Qf4 Bf5 26. Rg3 f6 27. Qh4 Bg6 28. exf6 Rxf6 29. Rge3 Rdf7 30. Bg3 Bf5 31. Re5 Rf8 32. d5 exd5 33. Re7 Bg6 34. Rxc7 Qb5 35. h3 Be4 36. Be5 Rg6 37. g4 Qd3 38. Qe7 Rf1+ 39. Rxf1 Qe3+ 1/2-1/2

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.30"]
[Round "7"]
[White "Oskam, Gerard"]
[Black "Yates, Frederick Dewhurst"]
[Result "0-1"]
[ECO "D64"]
[PlyCount "72"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 0-0 6. Rc1 Nbd7 7. e3 c6 8. Qc2 Re8 9. a3 a6 10. h3 dxc4 11. Bxc4 b5 12. Ba2 Bb7 13. Bb1 Rc8 14. Ne5 Nf8 15. 0-0 c5 16. dxc5 Rxc5 17. Bf4 Nd5 18. Qd3 Qc8 19. Ne2 Rd8 20. Rxc5 Qxc5 21. b4 Qb6 22. Qb3 Nxf4 23. Nxf4 Bd6 24. Ned3 Bb8 25. Nc5 Ba8 26. Rd1 Rd6 27. Be4 Bxe4 28. Nxe4 Rxd1+ 29. Qxd1 a5 30. Ne2 axb4 31. axb4 Qc7 32. g3 Qc4 33. N4c3 Be5 34. Qc1 Qxb4 35. Kg2 Qc5 36. Kf3 b4 0-1

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.28"]
[Round "6"]
[White "Spielmann, Rudolf"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "51"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 7. Bxe7 Kxe7 8. Qg4 Kf8 9. Nf3 cxd4 10. Qxd4 Qb6 11. Qd2 Nc6 12. 0-0-0 a6 13. Rh3 Qc7 14. h5 h6 15. Kb1 b5 16. Qf4 f6 17. Nh4 Ke8 18. Ng6 Rg8 19. Bxb5 fxe5 20. Qg4 Nf6 21. Bxc6+ Qxc6 22. Qg3 e4 23. Ne5 Qb6 24. Nxe4 Nxe4 25. Qg6+ Kd8 26. Rxd5+ 1-0

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.27"]
[Round "5"]
[White "Oskam, Gerard"]
[Black "Mieses, Jacques"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "75"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 d5 7. Bg5 h6 8. Be3 Nbd7 9. h3 Ne4 10. Nbd2 g5 11. Nxe4 dxe4 12. Nd2 f5 13. f3 exf3 14. exf3 Qc7 15. f4 0-0-0 16. Bxb7+ Qxb7 17. Qf3 Be7 18. Rae1 Rdg8 19. Kh2 Rg6 20. Qxb7+ Kxb7 21. Nb3 Rhg8 22. dxc5 bxc5 23. Rd1 Kc7 24. Rd2 gxf4 25. gxf4 Bd6 26. Na5 Nf6 27. Nc4 Ne4 28. Rc2 Kc6 29. Nxd6 Kxd6 30. Rd1+ Kc6 31. b4 Rg3 32. Rg1 Rxg1 33. Bxg1 Rg3 34. Bxc5 Rxc3 35. Rxc3 Nxc3 36. Bxa7 Nxa2 37. Bc5 Kb5 38. Bf8 1/2-1/2

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.26"]
[Round "4"]
[White "Znosko Borovsky, Eugene"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "43"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. Be3 0-0 10. a3 d5 11. c5 Nc8 12. Qb3 Na5 13. Qxd5 Qxd5 14. Nxd5 Bd8 15. b4 Nc6 16. f3 Be6 17. Ndf4 Re8 18. d5 Ne5 19. dxe6 g5 20. exf7+ Kxf7 21. Bxh7 gxf4 22. Bxf4 1-0

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.25"]
[Round "3"]
[White "Oskam, Gerard"]
[Black "Johner, Paul F"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "30"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc1 Ne4 9. Ncxe4 dxe4 10. Bf4 e5 11. dxe5 Nc5 12. Kd1 Bg4+ 13. Kc2 0-0-0 14. Nb3 Qa4 15. g3 Nd3 0-1

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.24"]
[Round "2"]
[White "Colle, Edgard"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "51"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bxd3 7. Qxd3 dxc4 8. Qxc4 Qb6 9. 0-0 Qa6 10. Qb3 Nbd7 11. e4 Be7 12. Rd1 0-0 13. Bg5 Rfe8 14. Rac1 Bf8 15. h3 Rac8 16. Be3 c5 17. dxc5 Nxc5 18. Bxc5 Bxc5 19. e5 Nh5 20. Ne4 b6 21. Nd6 Nf4 22. Rc2 Bxd6 23. exd6 Rxc2 24. Qxc2 Nd5 25. d7 Rd8 26. Rc1 1-0

[Event "Scheveningen Dutch-Foreigners 30,5-69,5"]
[Site "Scheveningen"]
[Date "1923.07.23"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Strick van Linschoten, Hendrik"]
[Result "1/2-1/2"]
[ECO "A54"]
[PlyCount "72"]
[EventDate "1923.07.23"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. g3 Nbd7 4. Bg2 e5 5. Nf3 Be7 6. 0-0 0-0 7. Nc3 c6 8. b3 Qc7 9. Qc2 Re8 10. Bb2 Nf8 11. Rfd1 Be6 12. Rac1 Rad8 13. c5 exd4 14. cxd6 Qxd6 15. Nxd4 Qc5 16. Nxe6 Nxe6 17. e3 Rxd1+ 18. Qxd1 Rd8 19. Qe2 Qb4 20. Qc2 Nc5 21. Rd1 Rxd1+ 22. Qxd1 Qa5 23. Qd4 Qd8 24. Qxd8+ Bxd8 25. Bf1 Be7 26. Be2 Nfd7 27. b4 Ne6 28. a3 Bf6 29. Kf1 Kf8 30. Ke1 Nb6 31. Kd2 Nd5 32. e4 Nxc3 33. Bxc3 Bxc3+ 34. Kxc3 Ke7 35. f4 f6 36. Bg4 Kd6 1/2-1/2

[Event "NED Team-ch 1922/23"]
[Site "Netherlands"]
[Date "1923.04.15"]
[Round "5.1"]
[White "Speijer, Abraham"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "79"]
[EventDate "1922.12.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 g6 3. h3 Bg7 4. c3 d6 5. Bf4 Nbd7 6. e3 0-0 7. Nbd2 Qe8 8. Nc4 b6 9. Be2 Bb7 10. 0-0 Rd8 11. Bh2 a6 12. Nfd2 e5 13. Re1 Ne4 14. Nxe4 Bxe4 15. Nd2 Bb7 16. Qb3 Kh8 17. Bf3 Bxf3 18. Nxf3 Nb8 19. e4 Qe7 20. Qd5 Rfe8 21. Rad1 Bf6 22. Bg3 Kg7 23. Nh2 h5 24. f3 Bh4 25. Bxh4 Qxh4 26. Qb7 Rd7 27. Nf1 Qd8 28. Qd5 Rde7 29. Ne3 Nd7 30. Qc4 Nb8 31. dxe5 Rxe5 32. Nd5 c6 33. Ne3 Kg8 34. Qd4 c5 35. Qxd6 Qxd6 36. Rxd6 f5 37. Nc4 R5e6 38. Rxb6 fxe4 39. Rxe6 Rxe6 40. Rxe4 1-0

[Event "Kent County Amateur A"]
[Site "Margate"]
[Date "1923.04.??"]
[Round "2"]
[White "Bach, Norman Mudie"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "55"]
[EventDate "1923.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. f4 c5 5. c4 Nc7 6. d5 b5 7. Nc3 e6 8. dxe6 Bxe6 9. cxb5 d5 10. a4 Be7 11. Nf3 f6 12. Be2 0-0 13. 0-0 Nd7 14. f5 Bxf5 15. Nxd5 fxe5 16. Nxe7+ Qxe7 17. Bg5 Qe6 18. Rc1 Qb6 19. a5 Qxa5 20. Be7 Rfe8 21. Bc4+ Kh8 22. Ng5 Rxe7 23. Rxf5 Qb6 24. Nxh7 Ne6 25. Ng5 Nxg5 26. Rxg5 g6 27. Rc3 Nf8 28. Qd5 1-0

[Event "Kent County Amateur A"]
[Site "Margate"]
[Date "1923.04.??"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Colle, Edgard"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "48"]
[EventDate "1923.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ENG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. Nbc3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg5 Be6 7. g3 Nc6 8. Bg2 h6 9. Bxf6 Qxf6 10. Nxd5 Bxd5 11. Bxd5 0-0-0 12. dxc5 Bxc5 13. 0-0 h5 14. Nc3 Ne5 15. Ne4 Qf5 16. c4 Bb6 17. Qe2 h4 18. c5 Rxd5 19. cxb6 Nf3+ 20. Kh1 axb6 21. Rac1+ Kb8 22. Rc3 Nxh2 23. g4 Nxg4 24. Rg1 Qxe4+ 0-1

[Event "NED Team-ch 1922/23"]
[Site "Netherlands"]
[Date "1923.03.27"]
[Round "4.1"]
[White "Oskam, Gerard"]
[Black "Van Foreest, Arnold E"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "54"]
[EventDate "1922.12.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Bxf3 4. Bxf3 e5 5. c4 c6 6. cxd5 cxd5 7. Qb3 Qc8 8. Qc3 Nc6 9. Bxd5 Nd4 10. e3 Nc2+ 11. Kd1 Nxa1 12. Qxe5+ Be7 13. Qxg7 Qc2+ 14. Ke2 Qf5 15. Qxh8 Qxd5 16. Qxg8+ Kd7 17. Qg4+ f5 18. Qd4 Qxd4 19. exd4 Nc2 20. d5 Re8 21. Nc3 Bc5+ 22. Kf3 Ne1+ 23. Kf4 Nd3+ 24. Kf3 Ne1+ 25. Kf4 Nd3+ 26. Kf3 Ne1+ 27. Kf4 Nd3+ 1/2-1/2

[Event "NED Team-ch 1922/23"]
[Site "Netherlands"]
[Date "1923.03.04"]
[Round "3.1"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "73"]
[EventDate "1922.12.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam NRSV"]
[BlackTeam "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. d3 d5 5. 0-0 g6 6. Nbd2 Bg7 7. e4 0-0 8. Re1 b6 9. exd5 Nxd5 10. Nc4 Bb7 11. Rb1 Qc7 12. Ne3 Nf6 13. Nc4 Rfe8 14. Bf4 Qc8 15. Nce5 Nd5 16. Bd2 Nxe5 17. Nxe5 Qc7 18. Qe2 e6 19. Ng4 h5 20. Ne5 Rac8 21. a3 Ba8 22. Kf1 Bxe5 23. Qxe5 Qxe5 24. Rxe5 c4 25. dxc4 Rxc4 26. Bxd5 Bxd5 27. Rbe1 Rd8 28. Bc3 Bf3 29. R5e3 Bb7 30. Rc1 Rc7 31. Bf6 Rd2 32. Bc3 Rd5 33. Ke1 Rcd7 34. Be5 g5 35. c4 Rc5 36. b4 Rc8 37. Rec3 1/2-1/2

[Event "NED Team-ch 1922/23"]
[Site "Netherlands"]
[Date "1923.02.04"]
[Round "2.1"]
[White "Piccardt, CH."]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "47"]
[EventDate "1922.12.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. Bg5 Nbd7 6. Qc2 h6 7. Bf4 0-0 8. e3 Re8 9. 0-0-0 Nh5 10. g4 Nxf4 11. exf4 c5 12. f5 cxd4 13. Nxd4 Ne5 14. h3 g5 15. h4 gxh4 16. Rg1 Nc6 17. Nxc6 bxc6 18. g5 hxg5 19. Rxg5 e6 20. f4 exf5 21. Qg2 Qf6 22. Bd3 Kf8 23. Rg1 Bh6 24. Rg8+ 1-0

[Event "Den Haag DD Opgaven Toernooi-A"]
[Site "Gravenhage"]
[Date "1922.12.28"]
[Round "5"]
[White "Oskam, Gerard"]
[Black "Fick, Willem"]
[Result "1/2-1/2"]
[ECO "C67"]
[PlyCount "116"]
[EventDate "1922.12.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 h6 11. b3 Bb4 12. Ne4 Be6 13. c4 a5 14. g4 Ne7 15. Nd4 Bxg4 16. f3 Bf5 17. a3 Bxe4 18. axb4 Bg6 19. Rxa5 Rd8 20. Rd2 Nf5 21. Nxc6 Rxd2 22. Bxd2 Kd7 23. Nd4 Nxd4 24. Rd5+ Ke6 25. Rxd4 Ra8 26. Rd5 Ra2 27. b5 Bc2 28. b6 cxb6 29. Be3 Bxb3 30. Rd6+ Kxe5 31. Rxb6 Bxc4 32. Rxb7 Bd5 33. Rb4 Bxf3 34. Bd4+ Kf5 35. Rb5+ Kg6 36. Rb3 Rg2+ 37. Kf1 Rd2 38. Bf2 Bd5 39. Rg3+ Kh7 40. h4 Ra2 41. Bd4 f6 42. Bf2 Kg8 43. Be3 Kf7 44. Kg1 Ra4 45. Rh3 Be6 46. Rh2 Ra1+ 47. Kf2 Ra2+ 48. Kg3 Rxh2 49. Kxh2 Kg6 50. Kg3 Bd7 51. Bf4 Kh5 52. Bd2 g5 53. hxg5 hxg5 54. Bc1 Kg6 55. Bd2 Kf5 56. Bc1 Kg6 57. Be3 Be6 58. Bd2 Bd7 1/2-1/2

[Event "Den Haag DD Opgaven Toernooi-A"]
[Site "Gravenhage"]
[Date "1922.12.27"]
[Round "4"]
[White "Oskam, Gerard"]
[Black "Fick, Louis"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "66"]
[EventDate "1922.12.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd6 5. Nbd2 Bxf4 6. exf4 c5 7. dxc5 Qc7 8. g3 Qxc5 9. Bd3 Nc6 10. c3 0-0 11. 0-0 b5 12. Ne5 Bb7 13. Qe2 a6 14. Rfd1 Rfd8 15. h3 Rac8 16. Nb3 Qb6 17. Nxc6 Bxc6 18. Qe3 Qxe3 19. fxe3 Nd7 20. Rd2 Kf8 21. Rad1 Ke7 22. Kf2 h6 23. h4 f5 24. Nd4 Nf6 25. Ke2 Be8 26. Re1 Bh5+ 27. Kf1 Be8 28. Kg2 Bd7 29. Kh2 Rh8 30. Kg1 Rcg8 31. Nf3 Ng4 32. Bf1 Nf6 33. Bd3 Ng4 1/2-1/2

[Event "Den Haag DD Opgaven Toernooi-A"]
[Site "Gravenhage"]
[Date "1922.12.26"]
[Round "3"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "102"]
[EventDate "1922.12.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nh3 c5 5. c3 Nc6 6. 0-0 Be7 7. dxc5 Bxc5 8. Nd2 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qxd1 12. Rxd1 e5 13. Ng5 h6 14. Nf3 Bg4 15. Re1 f6 16. Nd2 Rad8 17. Nb3 Bb6 18. Be3 Bxe3 19. Rxe3 Rd6 20. f3 Be6 21. Nc5 Bc8 22. Rd3 Rfd8 23. Rad1 Rxd3 24. Rxd3 Rxd3 25. Nxd3 Ne7 26. Nc1 Kf7 27. Kf2 Ke6 28. Bc2 b6 29. Bb3+ Kd6 30. Nd3 Nc6 31. Bc2 Na5 32. b3 Nc6 33. Ke3 Ne7 34. Nf2 f5 35. Kd2 Bb7 36. Bd1 Nd5 37. Nd3 f4 38. gxf4 exf4 39. c4 Ne3 40. Be2 g5 41. Ne1 h5 42. Nc2 Nxc2 43. Kxc2 Ke5 44. h3 Kd4 45. Kd2 Bc6 46. b4 Bd7 47. Bf1 Be6 48. c5 bxc5 49. bxc5 Kxc5 50. a3 Kd4 51. Bg2 Bc4 0-1

[Event "Den Haag DD Opgaven Toernooi-A"]
[Site "Gravenhage"]
[Date "1922.12.24"]
[Round "2"]
[White "Oskam, Gerard"]
[Black "Zittersteyn, Gerard WJ"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "55"]
[EventDate "1922.12.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. c3 b5 7. Bc2 d5 8. exd5 Nxd5 9. h3 0-0 10. 0-0 h6 11. d4 exd4 12. cxd4 Bb6 13. Nc3 Ndb4 14. Bb1 Be6 15. a3 Nd5 16. Be3 Nf6 17. Qd2 Re8 18. Rd1 Bd5 19. Ne5 Ne7 20. Bxh6 gxh6 21. Qxh6 Qd6 22. Rd3 Ne4 23. Rg3+ Nxg3 24. Bh7+ Kh8 25. Nxf7+ Bxf7 26. Bg6+ Kg8 27. Qh7+ Kf8 28. Qxf7# 1-0

[Event "Match/Nation Berlin-NED +10-5=9"]
[Site "Berlin"]
[Date "1922.06.05"]
[Round "2"]
[White "Bluemich, Max"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "53"]
[EventDate "1922.06.04"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 0-0 7. 0-0 Bg4 8. Nbd2 Nbd7 9. Re1 Bd6 10. Nf1 h6 11. Bh4 Re8 12. Ne3 Be6 13. c3 c6 14. Qc2 Bf8 15. Ne5 g5 16. Bg3 Nh5 17. Bh7+ Kh8 18. Bf5 Nxg3 19. hxg3 Nxe5 20. dxe5 Bg7 21. f4 Qd7 22. Bd3 Qc7 23. Qe2 f6 24. exf6 Bxf6 25. Qh5 Qg7 26. Nf5 Qf8 27. Nxh6 1-0

[Event "Match/Nation Berlin-NED +10-5=9"]
[Site "Berlin"]
[Date "1922.06.04"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Bluemich, Max"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "100"]
[EventDate "1922.06.04"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 Nbd7 4. Bg2 e5 5. dxe5 dxe5 6. 0-0 Be7 7. Nc3 c6 8. b3 0-0 9. Bb2 Qc7 10. e3 Rd8 11. Qe2 Nf8 12. h3 Bf5 13. Rfd1 Bg6 14. Rxd8 Rxd8 15. Rd1 Rxd1+ 16. Qxd1 N6d7 17. Nd2 Ne6 18. Ne2 Qd6 19. Qc1 Nb6 20. Ne4 Qc7 21. Qd2 f5 22. N4c3 Qd6 23. Qxd6 Bxd6 24. Bc1 Nd7 25. Kf1 Nf6 26. Ke1 h6 27. Bd2 Bf7 28. Bc1 g5 29. Bd2 Kf8 30. Bf1 Ke7 31. Bg2 Kd7 32. Bf1 Bg6 33. Kd1 Nc7 34. Bg2 Na6 35. Bc1 Nc7 36. Bd2 Ne6 37. Bc1 Bh5 38. Ke1 Nc7 39. Bh1 Bf7 40. Bg2 Bd5 41. Nxd5 Ncxd5 42. a3 Ke6 43. c4 Ne7 44. Bh1 Nd7 45. Kd1 a5 46. Kc2 Ng6 47. Bg2 h5 48. f3 Nf6 49. Kd3 h4 50. g4 e4+ 1-0

[Event "NED Team-ch 1921/22"]
[Site "Netherlands"]
[Date "1922.05.14"]
[Round "4.2"]
[White "Speijer, Abraham"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "98"]
[EventDate "1922.01.22"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. dxc5 Bxc5 6. Bd3 Nge7 7. 0-0 Ng6 8. Qe2 Bd7 9. Nc3 Nd4 10. Nxd4 Bxd4 11. Bxg6 hxg6 12. Nb5 Bxe5 13. Qxe5 Bxb5 14. Bg5 Rh5 15. Bxd8 Rxe5 16. Bc7 Re2 17. a4 Rxc2 18. axb5 Rxc7 19. b6 Rc6 20. bxa7 Ra6 21. Rac1 R8xa7 22. Rc8+ Ke7 23. Rc7+ Kf6 24. f4 b6 25. Rc6 Kf5 26. g3 Ke4 27. Kg2 b5 28. Re1+ Kd4 29. Rcc1 Ra4 30. Red1+ Ke4 31. Re1+ Kf5 32. Kf3 Rb4 33. Re5+ Kf6 34. Rc2 Rc4 35. Rd2 Ra1 36. Ke2 Rac1 37. Kd3 b4 38. Re3 Ke7 39. Ke2 Kd6 40. Kd3 Kc5 41. Ke2 Rd4 42. Red3 Re4+ 43. Kf2 Kc4 44. Rf3 Rd4 45. Re2 Rd3 46. Rfe3 b3 47. Re5 Rc2 48. Ke1 Rd4 49. Kf2 Rdd2 0-1

[Event "NED Team-ch 1921/22"]
[Site "Netherlands"]
[Date "1922.03.12"]
[Round "2.2"]
[White "Strick van Linschoten, Hendrik"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "40"]
[EventDate "1922.01.22"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 e6 4. Nxd5 exd5 5. Qf3 c6 6. d4 d6 7. exd6 Bxd6 8. Bd3 Qh4 9. Qe2+ Qe7 10. Be3 Nd7 11. 0-0-0 Nf6 12. Bg5 Qxe2 13. Nxe2 Ne4 14. Bxe4 dxe4 15. Bf4 Be7 16. d5 cxd5 17. Rxd5 f5 18. Nc3 Kf7 19. Rdd1 Be6 20. Nd5 Bd8 1/2-1/2

[Event "NED Team-ch 1921/22"]
[Site "Netherlands"]
[Date "1922.01.29"]
[Round "1.2"]
[White "Hogewind, Gerrit"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "93"]
[EventDate "1922.01.22"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a3 Nxe4 8. Nxe4 d5 9. Nxe5 dxc4 10. Nxc4 Qc7 11. Qf3 0-0 12. Bf4 Qd8 13. Ncd6 f5 14. Nxc8 fxe4 15. Nxe7+ Qxe7 16. Qb3+ Qf7 17. Qxf7+ Rxf7 18. Bg3 Nb6 19. Rfe1 Re8 20. Re2 Rd7 21. c3 Nc4 22. b3 Na5 23. Rb1 c5 24. b4 cxb4 25. axb4 Nc4 26. Rbe1 Nb6 27. Rxe4 Rxe4 28. Rxe4 Nd5 29. Re8+ Kf7 30. Rc8 Nxb4 31. cxb4 Rxd4 32. Rc7+ Kg8 33. Kf1 Rxb4 34. Be5 Rb1+ 35. Ke2 a5 36. Rxg7+ Kf8 37. Rxh7 a4 38. g4 a3 39. Rh8+ Kf7 40. Ra8 Ke6 41. f4 Rb2+ 42. Kd1 Rb3 43. Kc2 Rh3 44. Kb1 Kd5 45. Ka2 Kc4 46. Ra4+ Kc5 47. Rxa3 1-0

[Event "Alekhine sim cons +6"]
[Site "Rotterdam"]
[Date "1921.10.11"]
[Round "?.6"]
[White "Alekhine, Alexander"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "27"]
[EventDate "1921.10.17"]
[EventType "simul"]
[EventCountry "NED"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Rc1 Bb7 8. cxd5 exd5 9. Bd3 c5 10. 0-0 Nbd7 11. Qe2 c4 12. Bf5 Re8 13. Ne5 Nf8 14. Qf3 1-0

[Event "NED Team-ch 1920/21"]
[Site "Netherlands"]
[Date "1921.01.23"]
[Round "5.1"]
[White "Speijer, Abraham"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "58"]
[EventDate "1920.02.29"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Bc5 6. d3 d6 7. 0-0 0-0 8. Be3 c6 9. Na4 Nxe2+ 10. Qxe2 Bb4 11. a3 Ba5 12. h3 Re8 13. Bd2 Bc7 14. Nc3 d5 15. Rae1 h6 16. Nh2 dxe4 17. Nxe4 Nxe4 18. Qxe4 Qf6 19. Bc3 Bf5 20. Qf3 Qg6 21. Qg3 Qxg3 22. fxg3 Bh7 23. g4 Rad8 24. Nf3 e4 25. dxe4 Bxe4 26. Re2 Bg3 27. Be1 Bxf3 28. Rxe8+ Rxe8 29. Bxg3 Bd5 1/2-1/2

[Event "Match Euwe-Oskam +2-0=2"]
[Site "Rotterdam"]
[Date "1921.01.??"]
[Round "4"]
[White "Euwe, Max"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "C14"]
[PlyCount "70"]
[EventDate "1920.12.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4 6. Nxe4 dxe4 7. Be3 f5 8. Qh5+ g6 9. Qh6 Bf8 10. Qf4 Qe7 11. 0-0-0 Nc6 12. h4 h6 13. Qg3 Qf7 14. Bc4 Ne7 15. Ne2 c6 16. f3 b5 17. Bb3 a5 18. c3 exf3 19. gxf3 a4 20. Bc2 Nd5 21. Bd2 Rg8 22. Rhg1 Ba6 23. Nf4 Ne7 24. b4 g5 25. Nd3 g4 26. a3 Nd5 27. Bb1 h5 28. Ba2 0-0-0 29. Bxd5 cxd5 30. f4 Kb8 31. Be3 Qc7 32. Nc5 Bc8 33. Qf2 Be7 34. Qe2 Qc6 35. Bf2 Bxc5 1/2-1/2

[Event "Match Euwe-Oskam +2-0=2"]
[Site "Rotterdam"]
[Date "1920.12.??"]
[Round "2"]
[White "Euwe, Max"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "101"]
[EventDate "1920.12.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 b6 7. cxd5 exd5 8. Rc1 Bb7 9. Qa4 a6 10. Bd3 Nbd7 11. Ne5 Nxe5 12. dxe5 Ne4 13. Bxe7 Qxe7 14. Nxe4 dxe4 15. Bb1 Qxe5 16. 0-0 Rfd8 17. Qc2 c5 18. f3 exf3 19. Qxh7+ Kf8 20. Qh8+ Ke7 21. Qh4+ f6 22. gxf3 Qxe3+ 23. Qf2 Qg5+ 24. Qg3 Qxg3+ 25. hxg3 Rd2 26. Rf2 Rad8 27. Re1+ Kf7 28. Bf5 Rxf2 29. Kxf2 Rd2+ 30. Re2 Rxe2+ 31. Kxe2 Ke7 32. Ke3 Kd6 33. Kf4 c4 34. Bc2 Bc8 35. g4 g5+ 36. Ke4 Bb7+ 37. Kf5 Bxf3 38. Kxf6 Bxg4 39. Kxg5 Be2 40. Kf4 Kc5 41. Ke3 Bf1 42. Bf5 b5 43. Be4 a5 44. Bf5 Bg2 45. Bg6 Bd5 46. Bf5 c3 47. bxc3 Bxa2 48. Kd2 Bb3 49. Bd7 a4 50. Bxb5 a3 51. Kc1 1/2-1/2

[Event "Match Euwe-Oskam +2-0=2"]
[Site "Rotterdam"]
[Date "1920.12.??"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "58"]
[EventDate "1920.12.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Nc3 Be7 8. Nxe5 Nxe5 9. Rxe5 0-0 10. d4 Nxa4 11. Nxa4 b5 12. Nc3 Bd6 13. Rh5 Bb7 14. Qd3 f5 15. Qh3 Qe8 16. Bd2 Qg6 17. f3 Rae8 18. Kf1 b4 19. Ne2 f4 20. Rc1 Bc6 21. Kf2 Bb5 22. Ng1 Be5 23. Rxe5 Rxe5 24. Bxb4 Rh5 25. Qg4 Rg5 26. Qh3 Re8 27. g3 fxg3+ 28. hxg3 Rh5 29. Qg2 Qh6 0-1

[Event "Match Euwe-Oskam +2-0=2"]
[Site "Rotterdam"]
[Date "1920.12.??"]
[Round "3"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "D32"]
[PlyCount "64"]
[EventDate "1920.12.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4 dxe4 6. d5 f5 7. Bb5+ Bd7 8. Nh3 Bxb5 9. Nxb5 Qa5+ 10. Nc3 Na6 11. f3 Nf6 12. 0-0 Be7 13. Ng5 0-0 14. d6 Bd8 15. Qb3+ c4 16. Qxc4+ Kh8 17. Nf7+ Rxf7 18. Qxf7 Bb6+ 19. Kh1 e3 20. Re1 f4 21. Rb1 Nb4 22. Qc4 Nh5 23. Re2 Ng3+ 24. hxg3 Qh5+ 25. Kg1 fxg3 26. Rxe3 Qh2+ 27. Kf1 Qh1+ 28. Ke2 Qxg2+ 29. Kd1 Qc2+ 30. Ke1 g2 31. Qg4 Nd3+ 32. Rxd3 Bf2# 0-1

[Event "NED Team-ch 1920/21"]
[Site "Netherlands"]
[Date "1920.10.31"]
[Round "3.1"]
[White "Olland, Adolf Georg"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "85"]
[EventDate "1920.02.29"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 g6 6. Nf3 Bg4 7. Be2 Nbd7 8. 0-0 Bxf3 9. Bxf3 Bg7 10. c3 0-0 11. Re1 Re8 12. Qb3 Qb6 13. Bf4 Qxb3 14. axb3 Nd5 15. Bxd5 cxd5 16. Ra5 e6 17. Rea1 a6 18. Bd6 Rac8 19. f4 Rc6 20. Bb4 Bf6 21. Re1 Rec8 22. Nf1 Bd8 23. Raa1 h5 24. Nd2 Bb6 25. Nf3 Bd8 26. h3 Bc7 27. Ne5 Bxe5 28. fxe5 Nf8 29. g4 hxg4 30. hxg4 Kg7 31. Be7 Nd7 32. g5 Re8 33. Bf6+ Nxf6 34. gxf6+ Kh6 35. Kf2 g5 36. Re3 Rcc8 37. Rh1+ Kg6 38. Reh3 Rg8 39. Kg3 Kf5 40. Rh6 b5 41. Rf1+ Ke4 42. Rh2 b4 43. Rf3 1-0

[Event "Capablanca casual"]
[Site "Rotterdam"]
[Date "1920.10.22"]
[Round "?"]
[White "Capablanca, Jose Raul"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "63"]
[EventDate "1920.10.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "Capablanca"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c5 4. cxd5 Qxd5 5. Nc3 Qd8 6. d5 e6 7. e4 exd5 8. exd5 Bd6 9. Bg5 0-0 10. Be2 Re8 11. 0-0 a6 12. a4 Nbd7 13. Re1 b6 14. Bc4 Rxe1+ 15. Qxe1 Qc7 16. Qe2 Bb7 17. Re1 h6 18. Bh4 Re8 19. Qxe8+ Nxe8 20. Rxe8+ Nf8 21. Ne4 g5 22. Bg3 Bxg3 23. hxg3 Kg7 24. Ne5 b5 25. axb5 axb5 26. d6 Qa5 27. Re7 Qe1+ 28. Kh2 Bxe4 29. Rxf7+ Kh8 30. Rxf8+ Kg7 31. Rf7+ Kg8 32. d7 1-0

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1920.05.22"]
[Round "1"]
[White "Oskam, Gerard"]
[Black "Tartakower, Saviely"]
[Result "0-1"]
[ECO "A82"]
[PlyCount "70"]
[EventDate "1920.05.22"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 d5 5. fxe4 dxe4 6. Bc4 Nc6 7. Nge2 Na5 8. Bb5+ c6 9. Ba4 b5 10. Bb3 Nxb3 11. axb3 Bg4 12. h3 Bh5 13. g4 Bf7 14. Ng3 b4 15. Ncxe4 Nxe4 16. Nxe4 e5 17. dxe5 Qd5 18. Qe2 Qxe5 19. Rf1 Bg6 20. Ng5 Qxe2+ 21. Kxe2 Be7 22. Ne6 Kd7 23. Nxg7 Bxc2 24. Nf5 Bxb3 25. Kd3 Bc5 26. Ra5 Bb6 27. Re5 Rae8 28. Rxe8 Rxe8 29. Nd4 Bd5 30. g5 c5 31. Ne2 c4+ 32. Kd2 c3+ 33. bxc3 Bc4 34. cxb4 Rxe2+ 35. Kc3 Rc2+ 0-1

[Event "Kent County CA-17 Final E"]
[Site "Bromley/ London"]
[Date "1920.04.10"]
[Round "5"]
[White "Gaudin, Raoul"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "61"]
[EventDate "1920.04.07"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Qa5+ 4. Bd2 Qb6 5. Na3 Nc6 6. Nc4 Qc7 7. c3 b5 8. Na3 dxc3 9. bxc3 a6 10. Bd3 Nf6 11. 0-0 e6 12. Nc2 d5 13. exd5 exd5 14. a4 bxa4 15. Rxa4 Be7 16. Bf4 Qb7 17. Ne5 0-0 18. Re1 Bd6 19. Nxc6 Qxc6 20. Nd4 Qb6 21. Bg5 Bd7 22. Bxf6 Bxa4 23. Bxh7+ Kxh7 24. Qh5+ Kg8 25. Bxg7 Bxh2+ 26. Kxh2 Kxg7 27. Nf5+ Kf6 28. Qh6+ Kxf5 29. Qxb6 Bb5 30. Re3 f6 31. Qe6+ 1-0

[Event "Rubinstein sim"]
[Site "Rotterdam"]
[Date "1920.03.15"]
[Round "?"]
[White "Rubinstein, Akiba"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "84"]
[EventDate "1920.03.15"]
[EventType "simul"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qe7 6. 0-0 f6 7. Nbd2 Nh6 8. Nc4 Nf7 9. Ne3 0-0 10. a4 d6 11. Nd5 Qd8 12. a5 a6 13. Bc4 Bg4 14. Be3 f5 15. h3 Bxf3 16. Qxf3 f4 17. Bxf4 exf4 18. Qxf4 Kh8 19. Qd2 Ne7 20. f4 Nxd5 21. Bxd5 c6 22. Bb3 Qe7 23. Rae1 Rae8 24. g4 Qh4 25. Kg2 Re7 26. Qf2 Qxf2+ 27. Rxf2 Nd8 28. h4 h5 29. g5 d5 30. e5 Ne6 31. Kg3 Ref7 32. Ref1 Kh7 33. Bc2 c5 34. f5 gxf5 35. Rxf5 Rxf5 36. Bxf5+ Rxf5 37. Rxf5 cxd4 38. cxd4 Nxd4 39. Rf7 Kg6 40. Rxb7 Bxe5+ 41. Kf2 Ne6 42. Rb6 Bd4+ 0-1

[Event "NED Team-ch 1920/21"]
[Site "Netherlands"]
[Date "1920.02.29"]
[Round "1.2"]
[White "Rueb, Alexander"]
[Black "Oskam, Gerard"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "38"]
[EventDate "1920.02.29"]
[EventType "team-match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Bc4 g6 6. Nf3 Bg7 7. Nc3 0-0 8. 0-0 Re8 9. Bd2 Nb4 10. Qf4 d5 11. exd5 Nbxd5 12. Nxd5 Nxd5 13. Bxd5 Qxd5 14. Rad1 Qc6 15. Ng5 f6 16. Nh3 Re4 17. Qf3 Bg4 18. Qb3+ Be6 19. Qg3 Rg4 0-1

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1920.??.??"]
[Round "3"]
[White "Olland, Adolf Georg"]
[Black "Oskam, Gerard"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "90"]
[EventDate "1920.05.22"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 Qb6 6. c3 Qa6 7. Qc2 e6 8. Be3 c5 9. Ne2 cxd4 10. Bxd4 Nc6 11. 0-0 Rc8 12. Rd1 Nge7 13. Qd2 Nf5 14. b3 Be7 15. a4 Nfxd4 16. cxd4 0-0 17. Nbc3 Na5 18. Rab1 Bb4 19. Qe3 Rc6 20. Na2 Be7 21. Nec3 Qb6 22. b4 Nc4 23. Qd3 Qd8 24. a5 b6 25. a6 Qd7 26. b5 Rc7 27. Nb4 Bxb4 28. Rxb4 Qe7 29. Na2 Rfc8 30. Rb3 Qd7 31. f4 Na5 32. Rb2 Nc4 33. Rbb1 Qe8 34. Rdc1 Qd7 35. Rc3 Qe8 36. Qe2 Qd7 37. h4 Rf8 38. Qc2 Qd8 39. Rc1 Qe8 40. Qa4 f6 41. Nb4 fxe5 42. fxe5 Rcf7 43. Nc6 Qd7 44. Qc2 Rf4 45. g3 R4f7 1/2-1/2

[Event "Match/City Berlin-Holland 5-3"]
[Site "Telegraph"]
[Date "1920.??.??"]
[Round "?"]
[White "Oskam, Gerard"]
[Black "Ahues, Carl Oscar"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "58"]
[EventDate "1920.??.??"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Qf3 Nc6 4. c3 Qe7 5. Bc4 Bxg1 6. Rxg1 Qc5 7. Qf1 Nf6 8. b4 Qe7 9. b5 Na5 10. Ba3 d6 11. Bd3 b6 12. Bc2 Bb7 13. d3 0-0 14. Nd2 exf4 15. Qxf4 Nd5 16. Qg3 f5 17. 0-0-0 Nxc3 18. Rde1 f4 19. Qh3 Nxb5 20. Bb2 c5 21. Nf3 Nc6 22. g3 Nbd4 23. gxf4 Rxf4 24. Rxg7+ Qxg7 25. Rg1 Ne2+ 26. Kb1 Nxg1 27. Bb3+ Rf7 28. Qd7 Ne5 29. Qxb7 Raf8 0-1

[Event "Amsterdam"]
[Site "Amsterdam"]
[Date "1920.??.??"]
[Round "?"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "60"]
[EventDate "1920.??.??"]
[EventType "game"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+ 9. Qe2 Qxe2+ 10. Bxe2 cxd5 11. 0-0 0-0 12. Bf3 c6 13. Bg5 Ba6 14. Be2 Bxc3 15. Bxa6 Bxb2 16. Rab1 Rab8 17. Bf4 Rb6 18. Bd3 Ba3 19. Be3 c5 20. Rxb6 axb6 21. Rb1 Bb4 22. a3 Ba5 23. Rb5 d4 24. Bf4 Nd5 25. Be5 Re8 26. Bxd4 Re1+ 27. Bf1 Nf4 28. f3 Ne2+ 29. Kf2 Nxd4 30. Rxa5 Rxf1+ 0-1

[Event "Scheveningen SSS Bekertoernooi-04 (Cup)"]
[Site "Scheveningen"]
[Date "1920.??.??"]
[Round "7"]
[White "Oskam, Gerard"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "66"]
[EventDate "1920.04.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. Nbd2 Bd6 8. g3 Rc8 9. 0-0 Nd7 10. Qe1 0-0 11. e4 cxd4 12. Nxd4 Qb6 13. Qf2 e5 14. exd5 Ne7 15. fxe5 Nxe5 16. Be4 f5 17. Ne6 fxe4 18. Qxb6 Rxf1+ 19. Kxf1 axb6 20. Nxe4 Bb8 21. Nf4 Rd8 22. Be3 Nc4 23. Bd4 Bxf4 24. gxf4 Nxd5 25. b3 Nce3+ 26. Kf2 Nc2 27. Rg1 Nxd4 28. cxd4 Bf5 29. Kf3 Bxe4+ 30. Kxe4 Nc3+ 31. Kd3 Nb5 32. Kc4 Nxd4 33. Rd1 b5+ 0-1

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1920.??.??"]
[Round "2"]
[White "Oskam, Gerard"]
[Black "Maroczy, Geza"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "80"]
[EventDate "1920.05.22"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Bd3 Bb7 4. Be3 Nf6 5. Nd2 c5 6. c3 Nc6 7. Rc1 cxd4 8. cxd4 Nb4 9. Bb1 Ba6 10. Ndf3 Rc8 11. Ne2 Rxc1 12. Bxc1 d5 13. Ne5 dxe4 14. a3 Nd3+ 15. Bxd3 Bxd3 16. Nxd3 exd3 17. Qxd3 Be7 18. 0-0 0-0 19. Nc3 Nd5 20. Nxd5 Qxd5 21. Be3 Bf6 22. Rd1 Rd8 23. f4 h5 24. Qd2 Rc8 25. Qd3 g6 26. h3 a5 27. Kh2 a4 28. Rd2 b5 29. Kg3 Rc4 30. Kh2 b4 31. Bf2 b3 32. Be3 Bd8 33. Re2 Bf6 34. Rd2 h4 35. Bf2 Qc6 36. Be3 Rc2 37. Kh1 Rc1+ 38. Kh2 Kf8 39. Re2 Qc4 40. Qxc4 Rxc4 0-1

[Event "Kent County CA-17 Section D"]
[Site "Bromley/ London"]
[Date "1920.??.??"]
[Round "?"]
[White "Scott, Roland Henry"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "81"]
[EventDate "1920.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Nd2 c5 4. f4 f5 5. Ngf3 Nf6 6. Ne5 Bd6 7. Bb5+ Bd7 8. Nxd7 Nbxd7 9. 0-0 0-0 10. c3 Rc8 11. Nf3 Ne4 12. Bd2 Ndf6 13. Be1 Qb6 14. Qe2 Kh8 15. Bh4 Qc7 16. Bd3 c4 17. Bc2 b5 18. a3 a5 19. Bxf6 Nxf6 20. Ng5 Qe7 21. Rf3 h6 22. Rh3 Kg8 23. Nf3 Rb8 24. Nh4 Qe8 25. Qe1 Nd7 26. Bd1 Be7 27. Nf3 Rf6 28. Ne5 Nxe5 29. fxe5 Rf8 30. g4 b4 31. axb4 axb4 32. gxf5 Rxf5 33. Kh1 bxc3 34. bxc3 Qf7 35. Bg4 Rg5 36. Rg3 Rb2 37. h3 Rf2 38. Bxe6 Qxe6 39. Qxf2 Rf5 40. Qg2 Bg5 41. h4 1-0

[Event "Kent County CA-17 Section D"]
[Site "Bromley/ London"]
[Date "1920.??.??"]
[Round "?"]
[White "Steadman, FStJ"]
[Black "Oskam, Gerard"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "61"]
[EventDate "1920.04.05"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Bb4 6. e3 c5 7. cxd5 exd5 8. Bb5 Qa5 9. 0-0 Bxc3 10. Bxd7+ Bxd7 11. Bxf6 Bxb2 12. Rb1 Bb5 13. Rxb2 Bxf1 14. Bxg7 Rg8 15. Qxf1 Rxg7 16. Rxb7 c4 17. Qb1 Rd8 18. Ne5 Qa6 19. Qb4 Qe6 20. Nc6 Qd6 21. Nxd8 Qxb4 22. Rxb4 Kxd8 23. Rb5 f6 24. Rxd5+ Ke7 25. Ra5 Ke6 26. Rc5 Rb7 27. g4 Rb2 28. Rxc4 Rxa2 29. Rc6+ Kd7 30. Rxf6 a5 31. Rf7+ 1-0

[Event "NED-ch03"]
[Site "The Hague"]
[Date "1919.12.29"]
[Round "5"]
[White "Oskam, Gerard"]
[Black "Marchand, Max"]
[Result "1/2-1/2"]
[ECO "C32"]
[PlyCount "74"]
[EventDate "1919.12.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne7 8. dxe4 Qxe4+ 9. Qe2 Qg6 10. Nf3 Nbc6 11. 0-0-0 0-0 12. Ne5 Qh6 13. Nxc6 Nxc6 14. Qf2 Bg4 15. Re1 a5 16. Kb1 Bf5 17. g4 Be6 18. f5 Bd5 19. g5 Qd6 20. Rg1 Rfe8 21. Be2 Nb4 22. b3 Be4 23. Rc1 Bxf5 24. Bb5 c6 25. Qxf5 cxb5 26. Rgf1 Qc7 27. Bxb4 axb4 28. Qxb5 Qa5 29. Qxa5 Rxa5 30. Rf4 Rea8 31. Rxb4 Rxa2 32. Rxb7 g6 33. Rb8+ Rxb8 34. Kxa2 Rb5 35. Rg1 Re5 36. Rg2 h6 37. gxh6 Rh5 1/2-1/2

