[Event "NED-chT 4041"]
[Site "Netherlands"]
[Date "1941.03.30"]
[Round "4.3"]
[White "Wertheim, Johan Hendrik"]
[Black "Muller, WCAL"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "84"]
[EventDate "1940.10.19"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Den Haag DD"]
[BlackTeam "Bussum"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 c5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. Bxe7 Nxe7 10. Qh5 Nbc6 11. 0-0-0 Qa5 12. Bb5 Nb4 13. a3 Nbd5 14. Nxd5 Nxd5 15. Bd3 g6 16. Qe2 Bd7 17. Kb1 b5 18. Qd2 Qb6 19. Be4 a5 20. Bxd5 exd5 21. Rc1 b4 22. Qd3 Rab8 23. Rc2 Qd6 24. Ka1 Rb6 25. Rhc1 Rfb8 26. h3 a4 27. g4 R8b7 28. axb4 Rxb4 29. Qa3 Qb6 30. Ka2 Kg7 31. Rd2 Rb3 32. Nxb3 axb3+ 33. Kb1 Ra7 34. Qc5 Qa6 35. Qc3+ Kg8 36. Qxb3 Qa1+ 37. Kc2 Rc7+ 38. Kd3 Qxc1 39. Qxd5 Be8 40. Ke2 Rd7 41. Qa5 Rxd2+ 42. Qxd2 Bb5+ 0-1

[Event "NED-chT 4041"]
[Site "Netherlands"]
[Date "1941.03.14"]
[Round "7.3"]
[White "Wertheim, Johan Hendrik"]
[Black "Broer, AM."]
[Result "1-0"]
[ECO "E16"]
[PlyCount "51"]
[EventDate "1940.10.19"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Den Haag DD"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Ne4 6. 0-0 Be7 7. Ne5 0-0 8. f3 Nd6 9. Na3 f6 10. Nd3 Nf5 11. Nc2 d5 12. cxd5 exd5 13. Nf4 Qd7 14. e4 g5 15. Nxd5 Bxd5 16. exd5 c6 17. f4 Qd6 18. fxg5 fxg5 19. Qg4 Qf6 20. dxc6 h5 21. Qxf5 Qxf5 22. Rxf5 Rxf5 23. c7 Nc6 24. Bxc6 Raf8 25. Be3 Bd6 26. Bd7 1-0

[Event "NED Team-ch 1938/39"]
[Site "Netherlands"]
[Date "1939.04.02"]
[Round "5.2"]
[White "Wertheim, Johan Hendrik"]
[Black "Veerkamp, J."]
[Result "0-1"]
[ECO "D03"]
[PlyCount "66"]
[EventDate "1938.12.04"]
[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 "Den Haag DD"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 c5 5. e3 Nc6 6. c3 Be7 7. Bd3 0-0 8. Ne5 Nd7 9. Bxe7 Qxe7 10. f4 Ndxe5 11. fxe5 f6 12. exf6 Qxf6 13. Qe2 cxd4 14. exd4 e5 15. dxe5 Nxe5 16. Rf1 Qh4+ 17. g3 Nxd3+ 18. Qxd3 Re8+ 19. Kd1 Qh5+ 20. Kc2 d4 21. Rf4 dxc3 22. Rh4 Qf5 23. Qxf5 Bxf5+ 24. Kxc3 Rad8 25. Nc4 b5 26. Na5 Re2 27. Rf1 Rd3+ 28. Kb4 Rxb2+ 29. Nb3 g6 30. Ka3 Re2 31. Rd4 a5 32. Ra1 Bd7 33. Rxd7 Rxd7 0-1

[Event "NED Team-ch 1936/37"]
[Site "Netherlands"]
[Date "1937.03.07"]
[Round "5.3"]
[White "Wertheim, Johan Hendrik"]
[Black "Mulder, Emile AJM"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "48"]
[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 "Den Haag DD"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. h3 c5 5. e3 g6 6. c3 Bg7 7. Nbd2 0-0 8. Bh2 d6 9. Bc4 Nbd7 10. 0-0 d5 11. Bd3 Ne4 12. Qc2 Nxd2 13. Qxd2 Re8 14. Qc2 e5 15. dxe5 Nxe5 16. Be2 d4 17. Bxe5 Bxe5 18. exd4 cxd4 19. cxd4 Rc8 20. Qa4 Bxf3 21. Bxf3 Qxd4 22. Qxd4 Bxd4 23. Rad1 Bc5 24. Rd7 Re7 1/2-1/2

[Event "NED Team-ch 1935/36"]
[Site "Netherlands"]
[Date "1935.11.10"]
[Round "1.3"]
[White "Wertheim, Johan Hendrik"]
[Black "Van Hoorn, Petrus Franciscus"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "59"]
[EventDate "1935.11.03"]
[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 "Den Haag DD"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. Rc1 b6 8. Bd3 Bb7 9. Qe2 Ne4 10. Bf4 c5 11. 0-0 a6 12. Rfd1 Nxc3 13. Rxc3 dxc4 14. Bxc4 b5 15. Bd3 Qb6 16. Bb1 Rfd8 17. Ng5 Nf8 18. dxc5 Bxc5 19. Rdc1 Rac8 20. Qh5 g6 21. Qh6 Bd6 22. Rxc8 Rxc8 23. Rxc8 Bxc8 24. Ne4 Be7 25. Be5 f6 26. Bxf6 Bxf6 27. Nxf6+ Kf7 28. Nxh7 Nxh7 29. Qxh7+ Kf6 30. Qh8+ 1-0

[Event "NED Team-ch 1933/34"]
[Site "Netherlands"]
[Date "1934.02.11"]
[Round "4.2"]
[White "Meijlink, PW."]
[Black "Wertheim, Johan Hendrik"]
[Result "0-1"]
[ECO "C91"]
[PlyCount "58"]
[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 "Utrecht"]
[BlackTeam "The Hague 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 0-0 9. d4 Bg4 10. Be3 Re8 11. Nbd2 d5 12. exd5 Nxd5 13. h3 exd4 14. cxd4 Bh5 15. a3 Nxe3 16. fxe3 Bg5 17. Qc2 Bxf3 18. Nxf3 Bxe3+ 19. Rxe3 Rxe3 20. Bxf7+ Kxf7 21. Qxc6 Re7 22. Rf1 Kg8 23. d5 Qe8 24. Qc2 Qg6 25. Qb3 Re2 26. Nh4 Qb6+ 27. Kh1 Qe3 28. Qxe3 Rxe3 29. Rc1 Rd8 0-1

[Event "NED Team-ch 1932/33"]
[Site "Netherlands"]
[Date "1933.02.19"]
[Round "4.2"]
[White "Wertheim, Johan Hendrik"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "43"]
[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 "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Bc5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Ne7 6. Be3 0-0 7. Qh5 Nd7 8. 0-0-0 f5 9. Bc4+ Kh8 10. Ne6 Nf6 11. Nxd8 Nxh5 12. Nf7+ Rxf7 13. Bxf7 Bxe3+ 14. fxe3 Nf6 15. e5 Ne4 16. Nxe4 fxe4 17. exd6 cxd6 18. Rxd6 Bf5 19. Rhd1 g5 20. Be6 Kg7 21. Rd7 Kf6 22. Rxe7 1-0

[Event "NED Team-ch 1932/33"]
[Site "Netherlands"]
[Date "1933.01.22"]
[Round "3.3"]
[White "Van Doesburgh, Gerrit RD"]
[Black "Wertheim, Johan Hendrik"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "54"]
[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 "Rotterdam NRSV"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. Rc1 Ne4 8. Bxe7 Qxe7 9. Qc2 0-0 10. Nxe4 dxe4 11. Nd2 f5 12. c5 e5 13. Qc3 exd4 14. Qxd4 Rd8 15. f4 exf3 16. Nxf3 Nf6 17. Bc4+ Kf8 18. Qf4 Re8 19. Rc3 Ne4 20. Nd4 Nxc3 21. Nxf5 Qe5 22. 0-0 Qxf4 23. Rxf4 Re4 24. Rf3 Bxf5 25. Rxf5+ Ke8 26. Bf7+ Ke7 27. bxc3 Rf8 0-1

[Event "Rotterdam Maasbokaal (Cup)"]
[Site "Rotterdam"]
[Date "1931.10.26"]
[Round "4"]
[White "Wertheim, Johan Hendrik"]
[Black "Addicks, Johannes Hermanus"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "30"]
[EventDate "1931.08.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. 0-0 0-0 6. Nxe5 Re8 7. Nf3 Nxe4 8. d4 Bb6 9. Nxe4 Rxe4 10. Bd3 Re8 11. Ng5 h6 12. Nxf7 Kxf7 13. Qh5+ Kf8 14. Bxh6 Re6 15. Bg5 Qe8 1/2-1/2

[Event "Rotterdam Maasbokaal (Cup)"]
[Site "Rotterdam"]
[Date "1931.08.28"]
[Round "5"]
[White "Euwe, Max"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "59"]
[EventDate "1931.08.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. b3 Bf5 5. Bg2 e6 6. Bb2 Bc5 7. 0-0 h6 8. d4 Bd6 9. Nc3 0-0 10. Nd2 Qe7 11. a3 Nbd7 12. e4 dxe4 13. Ndxe4 Nxe4 14. Nxe4 Bxe4 15. Bxe4 e5 16. Re1 f5 17. dxe5 Bxe5 18. Bxe5 Nxe5 19. Bd5+ Kh8 20. Qd4 Rae8 21. f4 cxd5 22. Rxe5 Qf6 23. cxd5 g5 24. Rae1 Rc8 25. fxg5 hxg5 26. d6 f4 27. d7 fxg3 28. hxg3 Rcd8 29. Qg4 Qb6+ 30. R1e3 1-0

[Event "Rotterdam Maasbokaal (Cup)"]
[Site "Rotterdam"]
[Date "1931.08.25"]
[Round "3"]
[White "Wertheim, Johan Hendrik"]
[Black "Noteboom, Daniel"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "44"]
[EventDate "1931.08.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Bxc4 Be7 10. 0-0 0-0 11. Bd3 Rd8 12. Qe2 Bd7 13. e4 Be8 14. f4 Nd7 15. e5 Nf8 16. f5 exf5 17. Rxf5 Qc7 18. Qf2 Ne6 19. Nce4 Rxd4 20. Nf6+ Bxf6 21. exf6 Rxd3 22. Re1 Qb6 0-1

[Event "Rotterdam Maasbokaal (Cup)"]
[Site "Rotterdam"]
[Date "1931.08.24"]
[Round "2"]
[White "Van Weering, Jan A"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "81"]
[EventDate "1931.08.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[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 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Bb7 9. Nd5 Nxd5 10. exd5 Nd7 11. Qd3 Rc8 12. a4 b4 13. Be3 Qc7 14. Rc1 Qc4 15. Qxc4 Rxc4 16. Na5 Rc7 17. c3 bxc3 18. Rxc3 Rxc3 19. bxc3 Ba8 20. Kd2 Nf6 21. c4 Kd7 22. Rb1 Be7 23. Rb6 Bd8 24. Rxa6 Bxa5+ 25. Rxa5 Kc7 26. Ra7+ Bb7 27. a5 Ra8 28. Rxa8 Bxa8 29. Kc3 Nd7 30. Kb4 f5 31. Kb5 f4 32. Bb6+ Nxb6 33. axb6+ Kb8 34. c5 dxc5 35. Kxc5 Kc8 36. Bg4+ Kd8 37. f3 Ke7 38. Bc8 g5 39. b7 Bxb7 40. Bxb7 e4 41. d6+ 1-0

[Event "Rotterdam Maasbokaal (Cup)"]
[Site "Rotterdam"]
[Date "1931.08.23"]
[Round "1"]
[White "Wertheim, Johan Hendrik"]
[Black "Landau, Salo"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "80"]
[EventDate "1931.08.23"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 h6 7. Bh4 Be7 8. e3 0-0 9. Qc2 Ne4 10. Bxe7 Qxe7 11. Bd3 Nd6 12. cxd5 exd5 13. Rc1 Nd7 14. 0-0 a6 15. Qb3 b5 16. Qb4 Rfe8 17. Qa5 Rac8 18. a4 Nc4 19. Bxc4 dxc4 20. d5 Nc5 21. Nd4 Nd3 22. Rc2 Qb4 23. Qxb4 Nxb4 24. Rd2 bxa4 25. Ra1 Nxd5 26. Nxd5 Bxd5 27. Rxa4 Rb8 28. h3 Rb6 29. Ra5 c6 30. Nf5 Kf8 31. f3 Reb8 32. e4 Be6 33. Nd4 Bd7 34. Rc2 Rxb2 35. Rxc4 R8b4 36. Rac5 Rxc4 37. Rxc4 Rb6 38. Rc5 Ke7 39. e5 Kd8 40. f4 Kc7 0-1

[Event "NED Team-ch 1930/31"]
[Site "Netherlands"]
[Date "1930.12.14"]
[Round "2.4"]
[White "Straat, Evert"]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "129"]
[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 "Amsterdam ASC"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 c6 7. Qc2 Ne4 8. Bxe7 Qxe7 9. Nxe4 dxe4 10. Qxe4 Qb4+ 11. Nd2 Qxb2 12. Qb1 Qc3 13. Qc1 Qa5 14. Be2 b6 15. 0-0 0-0 16. Bf3 Bb7 17. Nb3 Qg5 18. c5 e5 19. a4 Rae8 20. a5 Ba6 21. Re1 exd4 22. axb6 Ne5 23. Qd1 Nd3 24. Rxa6 Nxe1 25. Qxe1 dxe3 26. bxa7 exf2+ 27. Qxf2 Re3 28. a8Q Rxb3 29. Ra1 Rb1+ 30. Rxb1 Rxa8 31. Bxc6 Qg6 32. Qa2 Qxc6 33. Qa7 Qe8 34. Qb6 Qe3+ 35. Kh1 h6 36. h3 Rc8 37. c6 Qc3 38. Rd1 Qxc6 39. Qxc6 Rxc6 40. Rd8+ Kh7 41. Rd7 f5 42. Kh2 h5 43. h4 Rc4 44. Kh3 Rc3+ 45. Kh2 Rc6 46. Kg3 Kh6 47. Kf3 g5 48. hxg5+ Kxg5 49. Rd3 Rc1 50. Kf2 Kg4 51. Rg3+ Kf4 52. Rf3+ Kg5 53. Rg3+ Kf6 54. Ra3 h4 55. Ra6+ Kg5 56. Ra8 Kg4 57. Ra4+ f4 58. Ra8 Rc2+ 59. Kg1 Rc5 60. Kf2 Rh5 61. Rc8 Ra5 62. Rh8 Rg5 63. Ra8 h3 64. gxh3+ Kxh3 65. Kf3 1/2-1/2

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.21"]
[Round "6"]
[White "Wertheim, Johan Hendrik"]
[Black "Van den Bosch, Johannes"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "65"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 Ne4 7. Bxe7 Qxe7 8. Qc2 c6 9. Nxe4 dxe4 10. Qxe4 Qb4+ 11. Nd2 Qxb2 12. Rb1 Qxa2 13. Bd3 f5 14. Qe5 Qa3 15. Ke2 Qe7 16. f4 c5 17. Nb3 cxd4 18. Nxd4 Re8 19. Nb5 Nc6 20. Qd6 e5 21. Qxe7 Rxe7 22. Kf2 b6 23. c5 Be6 24. Rhc1 bxc5 25. Rxc5 Rd8 26. Be2 exf4 27. Rxc6 fxe3+ 28. Ke1 Bd5 29. Rd1 Red7 30. Rc7 Kf8 31. Rxd7 Rxd7 32. Nxa7 Ke7 33. Nc8+ 1-0

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.17"]
[Round "5"]
[White "Wertheim, Johan Hendrik"]
[Black "Noteboom, Daniel"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "108"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 b6 7. Bg5 a6 8. e3 Bb7 9. Be2 Be7 10. 0-0 Qc7 11. Rac1 d6 12. Nd4 Nbd7 13. f4 Rc8 14. b3 Qb8 15. Qb1 0-0 16. Bf3 Rfe8 17. Nde2 d5 18. cxd5 exd5 19. Qd3 Bc5 20. Nd4 Ba3 21. Rcd1 Ne4 22. Nce2 Nxg5 23. fxg5 g6 24. Nf4 Nc5 25. Qb1 Ne4 26. Bxe4 Rxe4 27. b4 Qd6 28. Nc2 Bxb4 29. Nxb4 Rxb4 30. Qd3 Rd8 31. Nh5 gxh5 32. Rf6 Qf8 33. Rdf1 Re4 34. Rxf7 Qxf7 35. Rxf7 Kxf7 36. Qf1+ Kg8 37. g6 hxg6 38. Qf6 Rd7 39. Qxg6+ Rg7 40. Qxb6 Re5 41. g3 Rge7 42. Kf2 Kg7 43. Qd4 Kf7 44. Qf4+ Ke8 45. Qh6 Kd7 46. Qb6 Kc8 47. Qc5+ Kb8 48. Qd6+ Ka8 49. a4 Rxe3 50. Kf1 Re8 51. g4 hxg4 52. h4 gxh3 53. Qb6 Re1+ 54. Kf2 h2 0-1

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.14"]
[Round "4"]
[White "Keemink, John W"]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "57"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 b6 4. c3 Qd7 5. f4 h5 6. g3 Ba6 7. Bxa6 Nxa6 8. Qd3 Nb8 9. Nf3 g6 10. b3 Nh6 11. Ba3 Bxa3 12. Nxa3 Nf5 13. 0-0 a5 14. Rfd1 Nc6 15. Rac1 Nce7 16. Nc2 0-0 17. Kg2 Rfc8 18. Ne3 Nxe3+ 19. Qxe3 Nf5 20. Qe2 c5 21. h3 cxd4 22. cxd4 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Qxc8 25. g4 hxg4 26. hxg4 Qc2 27. Qxc2 Ne3+ 28. Kf2 Nxc2 29. Ke2 1/2-1/2

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.10"]
[Round "3"]
[White "Wertheim, Johan Hendrik"]
[Black "Fontein, George Salto"]
[Result "1/2-1/2"]
[ECO "D97"]
[PlyCount "78"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. Qb3 dxc4 6. Qxc4 Bg7 7. e4 0-0 8. h3 Nbd7 9. Bf4 Nb6 10. Qb4 a5 11. Qc5 Nfd7 12. Qg5 Qe8 13. Bc7 Ra7 14. Qg3 a4 15. Rc1 Na8 16. Bf4 b5 17. h4 b4 18. Nd1 Nf6 19. Bd2 Nxe4 20. Qb8 Nxd2 21. Qxa7 Nxf3+ 22. gxf3 Bd7 23. h5 e5 24. dxe5 Bxe5 25. Be2 Nc7 26. Qxa4 Nd5 27. Qb3 Bd4 28. Qd3 Qe5 29. Qe4 Bxb2 30. Qxe5 Bxe5 31. Bc4 Nb6 32. hxg6 hxg6 33. Bb3 Re8 34. Kf1 Bd4 35. Rc2 c5 36. Rd2 Re5 37. Rh4 Be6 38. Rhxd4 cxd4 39. Rxd4 Nd5 1/2-1/2

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.07"]
[Round "2"]
[White "Landau, Salo"]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "72"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 c6 7. Qc2 Ne4 8. Bxe7 Qxe7 9. cxd5 exd5 10. Nxe4 dxe4 11. Nd2 Nf6 12. Be2 Be6 13. 0-0 Bd5 14. a3 0-0 15. b4 a6 16. Rfc1 Nd7 17. a4 f5 18. b5 f4 19. bxa6 bxa6 20. Bc4 Nf6 21. Bxd5+ cxd5 22. Qc7 Qxc7 23. Rxc7 fxe3 24. fxe3 Rab8 25. h3 Rb2 26. Nf1 Rfb8 27. Rc6 Re2 28. Rxa6 h6 29. a5 Rbb2 30. g4 Kh7 31. Rb6 Rbc2 32. a6 Nxg4 33. hxg4 Rg2+ 34. Kh1 Rxg4 35. Ng3 Rxg3 36. a7 Rgg2 1/2-1/2

[Event "Den Haag Achtkamp"]
[Site "Amsterdam"]
[Date "1930.10.03"]
[Round "1"]
[White "Wertheim, Johan Hendrik"]
[Black "Wertheim, Willem F"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "70"]
[EventDate "1930.10.03"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 0-0 9. 0-0-0 Qa5 10. h4 Nxd4 11. Bxd4 Be6 12. a3 Rac8 13. Kb1 b5 14. Bxf6 Bxf6 15. Nd5 Qa4 16. Nxf6+ exf6 17. Bd3 a5 18. c3 Qb3 19. c4 bxc4 20. Bc2 Qb5 21. Qc3 Rc6 22. f4 Rb8 23. Rd2 Qxb2+ 24. Qxb2 Rxb2+ 25. Kxb2 c3+ 26. Kc1 cxd2+ 27. Kxd2 Rc5 28. Rb1 f5 29. Rb8+ Kg7 30. Rd8 fxe4 31. Bxe4 Rc4 32. Bc2 Rxf4 33. Ra8 Rd4+ 34. Ke3 Rc4 35. Bd3 Ra4 0-1

[Event "Den Haag 1929/30 6Players"]
[Site "The Hague"]
[Date "1930.??.??"]
[Round "?"]
[White "Loman, Rudolf Johannes"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "49"]
[EventDate "1929.12.17"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 d6 8. a4 Bd7 9. axb5 axb5 10. Rxa8 Qxa8 11. Nc3 b4 12. Nd5 Nxd5 13. Bxd5 Qa5 14. d4 Nxd4 15. Nxd4 exd4 16. Qh5 Kd8 17. Qxf7 b3 18. Qxg7 Re8 19. Bxb3 Bb5 20. Rd1 Be2 21. Bd2 Qb6 22. Ra1 d3 23. Ra8+ Kd7 24. Be6+ Kxe6 25. Rxe8 1-0

[Event "Den Haag 1929/30 6Players"]
[Site "The Hague"]
[Date "1929.12.17"]
[Round "1"]
[White "Van den Bosch, Johannes"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "61"]
[EventDate "1929.12.17"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. a4 b4 10. Ne4 c5 11. 0-0 Bb7 12. Nxf6+ Nxf6 13. Re1 Qb6 14. a5 Qc7 15. e4 cxd4 16. Bd2 Bc5 17. Bxb4 Nd7 18. Rc1 Qd6 19. e5 Qe7 20. Bd2 Rb8 21. Ng5 h6 22. Qh5 0-0 23. Nh7 Bb4 24. Nf6+ Nxf6 25. exf6 Qxf6 26. Bxb4 Bxg2 27. Bxf8 Rxb2 28. Rc2 Bf3 29. Rxb2 Bxh5 30. Rb8 Qg5+ 31. Kf1 1-0

[Event "NED Team-ch 1929/30"]
[Site "Netherlands"]
[Date "1929.12.08"]
[Round "2.5"]
[White "Wertheim, Johan Hendrik"]
[Black "Sonnenberg, M."]
[Result "1-0"]
[ECO "D61"]
[PlyCount "83"]
[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 "The Hague DD"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3 Be7 7. Qc2 0-0 8. Nf3 h6 9. h4 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. g4 Re8 13. Ke2 Nxc3+ 14. Qxc3 b5 15. Ba2 Bb7 16. Rac1 a5 17. Bb1 Nf8 18. Be4 Rec8 19. Qc5 Qxc5 20. dxc5 Rd8 21. Rhd1 Rd7 22. Ne5 Rc7 23. Rd6 Rac8 24. Rcd1 a4 25. R1d4 g6 26. Kd2 Kg7 27. Kc3 Nh7 28. Nd7 Nf6 29. Nxf6 Kxf6 30. Kb4 Ba8 31. Rd7 Rxd7 32. Rxd7 Ke5 33. Bf3 f5 34. gxf5 exf5 35. Rd6 g5 36. Rxh6 g4 37. Bg2 Rd8 38. Rd6 Rxd6 39. cxd6 Kxd6 40. h5 c5+ 41. Kxb5 Bxg2 42. h6 1-0

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1929.02.17"]
[Round "3.4"]
[White "Kersten, JL."]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "37"]
[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 VAS"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 Qa5 9. Nb5 Qxd2+ 10. Kxd2 Nb6 11. b3 Nfd7 12. Rd1 cxd4 13. Nexd4 Nc5 14. Be2 Bd7 15. Nc3 Rfc8 16. Rhe1 Ne6 17. Nxe6 Bxe6 18. Nd5 Bd7 19. Nc3 1/2-1/2

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1929.01.20"]
[Round "2.5"]
[White "Straat, Evert"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "E82"]
[PlyCount "31"]
[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 "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Qd2 Re8 8. 0-0-0 c5 9. d5 Na6 10. g4 Nc7 11. h4 a6 12. h5 b5 13. hxg6 hxg6 14. Bh6 Bh8 15. Qh2 Nd7 16. Bd2 1-0

[Event "NED Team-ch 1928/29"]
[Site "Netherlands"]
[Date "1928.11.04"]
[Round "1.4"]
[White "Wertheim, Johan Hendrik"]
[Black "Meyer, JFW"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "91"]
[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. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nc3 Nbd7 7. 0-0 b6 8. Ne5 Rb8 9. Nc6 Qe8 10. Nxb8 Nxb8 11. Qa4 Qxa4 12. Nxa4 Ba6 13. b3 c5 14. dxc5 bxc5 15. Bb2 Nbd7 16. Rab1 Rb8 17. Rfe1 Bf8 18. Nc3 e6 19. Ba1 Bb7 20. Rbd1 a6 21. Bxb7 Rxb7 22. Kg2 Ne5 23. Na4 Nfd7 24. Rd2 Nc6 25. e3 Nb4 26. Bc3 a5 27. Ba1 Nb8 28. Nc3 N8c6 29. Nb5 Rd7 30. Red1 Na7 31. Nxd6 Nxa2 32. Ne4 Rxd2 33. Rxd2 Nb4 34. Nf6+ Kg7 35. Rd8 e5 36. Bxe5 Nac6 37. Nd7+ Nxe5 38. Nxe5 Be7 39. Ra8 Bd6 40. Nd7 h5 41. Rxa5 Nd3 42. Kf3 g5 43. Rb5 f6 44. Ke2 Nc1+ 45. Kd2 Na2 46. Nxc5 1-0

[Event "Olympiad-02"]
[Site "The Hague"]
[Date "1928.07.31"]
[Round "12.4"]
[White "Drezga, Tihomil"]
[Black "Wertheim, Johan Hendrik"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "64"]
[EventDate "1928.07.23"]
[EventType "team-tourn"]
[EventRounds "17"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. Be2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 a6 7. 0-0 b5 8. Bf3 Ra7 9. Be3 Rd7 10. Nce2 Bb7 11. a4 b4 12. Qd3 e5 13. Nb3 d5 14. exd5 Bxd5 15. Bxd5 Nxd5 16. Qe4 Nxe3 17. Qxe3 Qc7 18. Rad1 Be7 19. f4 Rxd1 20. Rxd1 Nc6 21. fxe5 Nxe5 22. Nf4 Ng4 23. Qf3 Bc5+ 24. Nd4 Qe5 25. c3 h5 26. h3 g5 27. Qc6+ Kf8 28. Qc8+ Kg7 29. Nxh5+ Rxh5 30. Qxg4 Rh4 31. Qd7 Bxd4+ 32. cxd4 Rxd4 1-0

[Event "Olympiad-02"]
[Site "The Hague"]
[Date "1928.07.25"]
[Round "4.4"]
[White "Wertheim, Johan Hendrik"]
[Black "Hellmann, Ernesto"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "68"]
[EventDate "1928.07.23"]
[EventType "team-tourn"]
[EventRounds "17"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Italy"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ITA"]

1. c4 f5 2. d4 e6 3. Nc3 Nf6 4. e3 b6 5. Bd3 Bb7 6. f3 a6 7. Nge2 Bd6 8. Qc2 Nh5 9. 0-0 Qh4 10. g3 Qh3 11. a3 0-0 12. e4 e5 13. exf5 exd4 14. Ne4 Bxe4 15. Bxe4 Nc6 16. b4 Be5 17. Bb2 Rae8 18. Kh1 d3 19. Bxd3 Bxb2 20. Qxb2 Rxe2 21. Bxe2 Nxg3+ 22. Kg1 Nxf1 23. Rxf1 Rxf5 24. Rf2 Rg5+ 25. Kh1 Qh4 26. c5 bxc5 27. f4 Rf5 28. Rf3 Nd4 29. Rg3 Qxf4 30. Rg4 Qe5 31. bxc5 Qxe2 32. Rxg7+ Kxg7 33. Qxd4+ Kg8 34. Qg1+ Kf8 0-1

[Event "Olympiad-02"]
[Site "The Hague"]
[Date "1928.07.23"]
[Round "2.4"]
[White "Wertheim, Johan Hendrik"]
[Black "Rejfir, Josef"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "74"]
[EventDate "1928.07.23"]
[EventType "team-tourn"]
[EventRounds "17"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Czechoslovakia"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CSR"]

1. c4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qa4 Bc5 7. e3 0-0 8. b4 Be7 9. Be2 Ne4 10. a3 Bh4 11. g3 Qf6 12. Qc2 Qxf2+ 13. Kd1 Qg2 14. Rf1 Bf6 15. Ra2 d5 16. Bd3 Nc3+ 17. Nxc3 Bg4+ 18. Ke1 Bxc3+ 19. Qxc3 Qxa2 20. Bb2 f6 21. Kf2 d4 22. exd4 c5 23. Ra1 cxd4 24. Qc2 Qxa1 25. Bxa1 f5 26. Bxd4 Rad8 27. Be5 Rf7 28. c5 Rfd7 29. Bc4+ Kh8 30. Bf4 h6 31. Be6 Rd3 32. Be3 Rd1 33. Bc4 Re8 34. Bf4 Ree1 35. Bd3 Rh1 36. Kg2 Rhg1+ 37. Kf2 Rh1 1/2-1/2

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.03.18"]
[Round "5.5"]
[White "De Haas, Ephraim"]
[Black "Wertheim, Johan Hendrik"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "74"]
[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 "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. e3 b6 3. c4 Bb7 4. Nc3 e6 5. a3 c5 6. d5 exd5 7. cxd5 d6 8. Nf3 a6 9. Be2 g6 10. 0-0 Bg7 11. e4 0-0 12. Bg5 h6 13. Bh4 Re8 14. Qc2 b5 15. Nd2 Nbd7 16. Rae1 Rc8 17. f4 Qa5 18. Bf3 c4 19. Kh1 Nh7 20. Bg3 Nc5 21. e5 Nd3 22. e6 f5 23. Nd1 Nxe1 24. Bxe1 Qb6 25. Nc3 Qd4 26. Bg3 Qd3 27. Qxd3 cxd3 28. Ndb1 b4 29. axb4 Rc4 30. b5 Rb4 31. Rd1 Rxb2 32. Rxd3 axb5 33. Rd1 Ra8 34. h3 Ra1 35. Kh2 b4 36. Nb5 Bf8 37. N1c3 bxc3 0-1

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.01.15"]
[Round "3.4"]
[White "Wertheim, Johan Hendrik"]
[Black "Willems, JL."]
[Result "0-1"]
[ECO "A52"]
[PlyCount "98"]
[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 "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e6 fxe6 5. e3 Nf6 6. Bd3 Nc6 7. Nd2 b6 8. Ngf3 Bb7 9. b3 Nb4 10. Bb1 c5 11. a3 Nc6 12. Ng5 Qc7 13. Bb2 Be7 14. Nxh7 0-0-0 15. Nxf6 Bxf6 16. Bxf6 gxf6 17. Nf1 Ne5 18. f3 Rdg8 19. Ra2 f5 20. Rf2 b5 21. cxb5 Qa5+ 22. Qd2 Qxa3 23. Qc3 Bd5 24. Ra2 Qxb3 25. Qxb3 Bxb3 26. Rxa7 Rxg2 27. Nd2 Kb8 28. Ra3 Nc4 29. Nxc4 Bxc4 30. Rc3 d5 31. h4 Rhg8 32. Kd1 Rg1+ 33. Rxg1 Rxg1+ 34. Kc2 Rg2+ 35. Kc1 Rh2 36. e4 fxe4 37. fxe4 Rh1+ 38. Kb2 Rxh4 39. exd5 exd5 40. Bf5 Rh2+ 41. Kc1 Kc7 42. Rg3 Kb6 43. Bd7 Rh6 44. Rg8 Rd6 45. Bg4 Kxb5 46. Bd1 Bd3 47. Rb8+ Kc4 48. Rh8 Kc3 49. Re8 Ra6 0-1

[Event "Den Haag Keusbeker-02"]
[Site "The Hague"]
[Date "1927.12.29"]
[Round "5"]
[White "Te Kolste, Jan Willem"]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "116"]
[EventDate "1927.12.24"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 d6 5. d3 Be6 6. 0-0 Bxc4 7. dxc4 Qd7 8. Nd5 Nge7 9. Nh4 Nxd5 10. Qxd5 Nd8 11. Rd1 Ne6 12. c3 g6 13. Nf3 Qc6 14. Ng5 Qxd5 15. cxd5 Nxg5 16. Bxg5 Be7 17. Bxe7 Kxe7 18. c4 f5 19. f3 Rhf8 20. Re1 Kd7 21. a3 a6 22. a4 Rab8 23. a5 b5 24. axb6 Rxb6 25. Ra2 Kc7 26. Kf2 Rfb8 27. Re2 Kb7 28. Ke1 Ka7 29. Kd1 Rb4 30. Rc2 Rb3 31. Ke2 f4 32. Kd2 g5 33. Kd1 R8b4 34. Kd2 h5 35. h3 Kb6 36. Kc1 Kb7 37. Ra3 Kb6 38. Rxb3 Rxb3 39. Rc3 Rb4 40. Kc2 a5 41. b3 a4 42. bxa4 Ka5 43. Kd3 Kxa4 44. Rc1 Rb3+ 45. Ke2 Rb2+ 46. Kf1 Kb3 47. Ra1 Kxc4 48. Ra6 Kd3 49. Rxd6 c4 50. Rc6 c3 51. d6 Rb8 52. d7 Rd8 53. Rd6+ Ke3 54. Ke1 c2 55. Rc6 Rxd7 56. Rxc2 Rd3 57. Re2+ Kd4 58. Ra2 Ke3 1/2-1/2

[Event "Den Haag Keusbeker-02"]
[Site "The Hague"]
[Date "1927.12.28"]
[Round "4"]
[White "Wertheim, Johan Hendrik"]
[Black "Kroone, Gerard"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "31"]
[EventDate "1927.12.24"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. 0-0 exd4 9. cxd4 Nh6 10. Nc3 Bxc3 11. Qxc3 Qg4 12. d5 Ne5 13. Nxe5 dxe5 14. Qxe5+ Kd8 15. Bg5+ Kd7 16. Bb5+ 1-0

[Event "Den Haag Keusbeker-02"]
[Site "The Hague"]
[Date "1927.12.26"]
[Round "3"]
[White "Key, G."]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "127"]
[EventDate "1927.12.24"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. g3 d5 3. Bg2 dxe4 4. Bxe4 Nf6 5. Bg2 c5 6. Ne2 Qb6 7. c3 Nc6 8. d3 e5 9. Na3 Bf5 10. Nc4 Qa6 11. 0-0 0-0-0 12. Bxc6 Bxd3 13. Bxb7+ Qxb7 14. Nxe5 Ba6 15. Qc2 Bd6 16. Qf5+ Kb8 17. c4 Rhe8 18. Bf4 Qc7 19. Nxf7 Qxf7 20. Bxd6+ Rxd6 21. Qxc5 Qc7 22. Qxc7+ Kxc7 23. Nf4 Bxc4 24. Rfc1 Rc6 25. f3 g5 26. Ng2 Bd5 27. Kf2 g4 28. fxg4 Nxg4+ 29. Kg1 Nxh2 30. Kxh2 Re2 31. Rxc6+ Kxc6 32. Rg1 Rxb2 33. a3 Kb5 34. Kh3 Bxg2+ 35. Kg4 Be4 36. Rd1 Ka4 37. Rd4+ Kxa3 38. Rxe4 Rb4 39. Rf4 a5 40. Kg5 Rb7 41. g4 a4 42. Kh6 Kb3 43. g5 Ra7 44. Rf3+ Kc4 45. Re3 Kd4 46. Ra3 Ke4 47. Ra1 a3 48. Re1+ Kd4 49. Rc1 a2 50. Rd1+ Kc3 51. Rh1 a1Q 52. Rxa1 Rxa1 53. Kxh7 Rh1+ 54. Kg7 Kd4 55. g6 Ke5 56. Kf7 Rf1+ 57. Ke7 Ra1 58. g7 Ra7+ 59. Kf8 Kf6 60. g8N+ Ke6 61. Nh6 Rh7 62. Ng8 Rf7+ 63. Ke8 Rf1 64. Ne7 1/2-1/2

[Event "Den Haag Keusbeker-02"]
[Site "The Hague"]
[Date "1927.12.25"]
[Round "2"]
[White "Goud, JH."]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "C66"]
[PlyCount "91"]
[EventDate "1927.12.24"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Nc3 Bd7 6. 0-0 Na5 7. Bxd7+ Nxd7 8. Nd5 g6 9. Bg5 f6 10. Bd2 Nc6 11. Qc1 Ne7 12. Nxe7 Qxe7 13. Nh4 Bg7 14. g3 0-0-0 15. a4 Rdf8 16. a5 f5 17. Bg5 Bf6 18. Bxf6 Qxf6 19. a6 b6 20. Qd2 f4 21. f3 Qe7 22. Qc3 Nb8 23. b4 Qd7 24. g4 Qc6 25. Qb3 b5 26. Ra2 Qb6+ 27. Kg2 Kd7 28. Rd1 Nc6 29. c3 Rf6 30. Kf1 Qb8 31. d4 exd4 32. cxd4 Qg8 33. d5 Ne5 34. Qc3 Qb8 35. Ng2 g5 36. Rc1 Qb6 37. Rac2 Rc8 38. Qa1 Rf7 39. Rc6 Nxc6 40. Rxc6 Qb8 41. e5 dxe5 42. Qxe5 Re8 43. Qxg5 Qd8 44. Qh5 Rf6 45. Qxh7+ Kc8 46. Qc2 1/2-1/2

[Event "Den Haag Keusbeker-02"]
[Site "The Hague"]
[Date "1927.12.24"]
[Round "1"]
[White "Wertheim, Johan Hendrik"]
[Black "Schelfhout, Willem AT"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "84"]
[EventDate "1927.12.24"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. cxd5 exd5 6. Qb3 c6 7. Bg5 Be7 8. e3 0-0 9. Rc1 Nh5 10. Bxe7 Qxe7 11. Be2 Nhf6 12. 0-0 Ne4 13. Nxe4 dxe4 14. Nd2 Nb6 15. Qc2 Re8 16. Nb3 Nd5 17. Nc5 b6 18. Nxe4 Bf5 19. Qxc6 Bxe4 20. f3 Nxe3 21. fxe4 Nxf1 22. Rxf1 Rac8 23. Qd5 Rcd8 24. Qc4 Qe6 25. Qc7 Rxd4 26. Bb5 Qe7 27. Qc3 Red8 28. Bc4 Rd1 29. Bd5 Rxf1+ 30. Kxf1 Qf6+ 31. Ke2 Qxc3 32. bxc3 Kf8 33. c4 Ke7 34. Ke3 f6 35. g3 Rc8 36. Kd4 Rc5 37. Kc3 Kd6 38. Kd4 Ra5 39. Kc3 Kc5 40. Kb3 Kd4 41. h4 Rc5 42. Kb4 h5 0-1

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1927.12.04"]
[Round "2.6"]
[White "Groen, Sylvain Izaak"]
[Black "Wertheim, Johan Hendrik"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "98"]
[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 "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Nc3 b5 7. Bb3 d6 8. Re1 Bg4 9. Ne2 Qd7 10. d3 Bd8 11. c3 Ne7 12. d4 Bxf3 13. gxf3 Qh3 14. Ng3 Ng6 15. Nf5 Nh5 16. Kh1 Bf6 17. Be3 0-0 18. Rg1 exd4 19. cxd4 c5 20. Bg5 Bxd4 21. Nxd4 cxd4 22. Rg4 Ne5 23. Rh4 Qxf3+ 24. Qxf3 Nxf3 25. Rxh5 g6 26. Kg2 gxh5 27. Kxf3 Rfc8 28. Be7 h6 29. Rg1+ Kh7 30. Bxf7 Rf8 31. Bxf8 Rxf8 32. Rd1 Rxf7+ 33. Kg2 Rc7 34. Rxd4 Rc2 35. Rxd6 a5 36. Rb6 Rxb2 37. Kg3 b4 38. f4 a4 39. e5 a3 40. e6 Rxa2 41. Kf3 Kg7 42. Rb7+ Kf8 43. f5 Rc2 44. f6 Rc8 45. Rh7 Kg8 46. f7+ Kxh7 47. e7 a2 48. e8Q Rxe8 49. fxe8Q a1Q 1/2-1/2

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1927.11.06"]
[Round "1.4"]
[White "Wertheim, Johan Hendrik"]
[Black "Kersing, W."]
[Result "1-0"]
[ECO "A34"]
[PlyCount "71"]
[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 "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 b6 2. c4 Bb7 3. Nc3 c5 4. f4 g6 5. Be2 Bg7 6. Bf3 Nc6 7. Nge2 d6 8. d3 Qd7 9. Qd2 e6 10. b3 Nge7 11. Bb2 0-0 12. Nd1 d5 13. Bxg7 Kxg7 14. Qc3+ f6 15. exd5 exd5 16. d4 cxd4 17. Nxd4 dxc4 18. Nxc6 Nxc6 19. 0-0 Nd4 20. Qxc4 Rac8 21. Qd3 Rc2 22. Kh1 Bxf3 23. Rxf3 Re8 24. Ne3 Rc7 25. Rg3 Ne6 26. Nd5 Rc5 27. Nxf6 Qc8 28. Nxe8+ Kf8 29. Re1 Rc1 30. Rge3 Rxe1+ 31. Rxe1 Kxe8 32. f5 gxf5 33. Qxf5 Ke7 34. Qxh7+ Kf6 35. Rxe6+ Qxe6 36. Qh6+ 1-0

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.03.27"]
[Round "1.10"]
[White "Wap, AHM"]
[Black "Wertheim, Johan Hendrik"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "90"]
[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. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 d6 5. 0-0 c5 6. dxc5 bxc5 7. b3 g6 8. Bb2 Bg7 9. c4 Qb6 10. Nc3 0-0 11. Qc2 Na6 12. e4 Nb4 13. Qe2 Nxe4 14. Nxe4 Bxb2 15. Nxc5 Bxf3 16. Bxf3 Bxa1 17. Nd7 Qd4 18. Rd1 Qg7 19. Nxf8 Rxf8 20. Qxe7 Qf6 21. Qxf6 Bxf6 22. Rxd6 Be5 23. Rd7 Nxa2 24. Rxa7 Nc3 25. Kf1 Rb8 26. Rb7 Rxb7 27. Bxb7 Bd6 28. Ke1 Bb4 29. Kd2 Ne4+ 30. Ke3 Nc5 31. Bd5 Nxb3 32. f3 Kf8 33. g4 Ke7 34. Ke4 Nc5+ 35. Kd4 Ne6+ 36. Ke4 Bd6 37. h4 Ng7 38. Kd4 Bg3 39. c5 Bxh4 40. c6 Ne6+ 41. Kc4 Bg3 42. Kb5 Nc7+ 43. Kc5 Bd6+ 44. Kc4 Nxd5 45. Kxd5 h5 0-1

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.01.16"]
[Round "3.8"]
[White "Moldauer, Norbert"]
[Black "Wertheim, Johan Hendrik"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "40"]
[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 "Amsterdam VAS"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. c3 0-0 7. Bc2 d5 8. d4 Nxe4 9. Nxe5 Bd6 10. Nxc6 bxc6 11. Qh5 f5 12. f3 Nf6 13. Qg5 h6 14. Qg6 f4 15. Re1 Bd7 16. Nd2 c5 17. c4 cxd4 18. cxd5 Re8 19. Be4 Re5 20. h4 Be8 0-1

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1926.04.24"]
[Round "5.7"]
[White "Wertheim, Johan Hendrik"]
[Black "Van Weering, JJ."]
[Result "0-1"]
[ECO "D00"]
[PlyCount "106"]
[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 "The Hague DD"]
[BlackTeam "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Bd3 0-0 7. Qd2 Nbd7 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bd3 Nd5 12. Bg5 f6 13. Bh6 Be6 14. Bxg7 Kxg7 15. 0-0-0 a5 16. c3 Qc7 17. Rde1 Bf7 18. g3 Nb6 19. Kb1 Bd5 20. Be4 Rf7 21. Bxd5 cxd5 22. Re6 Nc4 23. Qe2 Ra7 24. Nd2 b5 25. Nb3 b4 26. Nc5 bxc3 27. bxc3 a4 28. Ka1 Qa5 29. Qc2 Rf8 30. Rhe1 Kf7 31. Nd3 Rb8 32. Nb4 Rxb4 33. cxb4 Qxb4 34. R6e2 Na5 35. Qc5 Qxc5 36. dxc5 e5 37. Rb2 Nc4 38. Rb4 Ke6 39. Reb1 Ra5 40. Rb5 Rxb5 41. Rxb5 Kd7 42. Rb7+ Kc6 43. Rxh7 Kxc5 44. Rh6 d4 45. Rxg6 d3 46. Kb1 Kb4 47. Rg8 Kc3 48. Rd8 d2 49. Ka1 Kc2 50. h4 d1Q+ 51. Rxd1 Kxd1 52. h5 e4 53. h6 Ne5 0-1

