[Event "AUS corr"]
[Site "Australia"]
[Date "1993.??.??"]
[Round "?"]
[White "Davidson, Jacques"]
[Black "Kozminsky, P."]
[Result "1-0"]
[ECO "C18"]
[PlyCount "51"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "AUS"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3 cxb2 8. Bxb2 Ne7 9. Be2 Nbc6 10. Qd2 Ng6 11. c4 0-0 12. b5 Nce7 13. c5 Qc7 14. 0-0 Qxc5 15. Bd4 Qc7 16. b6 Qd8 17. Rxa7 Rxa7 18. bxa7 Bd7 19. Ra1 Qa8 20. Qa5 Nc6 21. Qc7 Nf4 22. Bd1 Nxd4 23. Nxd4 Bc6 24. Nxc6 bxc6 25. Rb1 d4 26. Rb8 1-0

[Event "BEL-NED m"]
[Site "Brussels"]
[Date "1939.04.30"]
[Round "2.3"]
[White "Soultanbeieff, Victor Ivanovich"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "61"]
[EventDate "1939.04.29"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "BEL"]
[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 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb7 5. Bd3 Bb4 6. Qe2 c5 7. d5 d6 8. Bg5 Nbd7 9. Nf3 h6 10. Bd2 0-0 11. dxe6 fxe6 12. 0-0-0 a6 13. h3 Ne8 14. h4 Qf6 15. Rh3 Ne5 16. Nxe5 Qxe5 17. g3 Qf6 18. f4 b5 19. g4 Bxc3 20. bxc3 Qf7 21. g5 bxc4 22. Bc2 h5 23. f5 exf5 24. exf5 d5 25. Re3 d4 26. g6 Qd7 27. Rxe8 Rfxe8 28. Qxh5 Bd5 29. Qh7+ Kf8 30. f6 Bg8 31. Qh8 1-0

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.22"]
[Round "6"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "E06"]
[PlyCount "41"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. cxd5 Nxd5 6. 0-0 Be7 7. d4 0-0 8. dxc5 Na6 9. c6 bxc6 10. Nbd2 Qc7 11. Nc4 Rd8 12. Bd2 Bf6 13. Rc1 Nb6 14. Ne1 Nxc4 15. Rxc4 Bb7 16. Nd3 c5 17. Bxb7 Qxb7 18. Qc2 Rac8 19. Rc1 Rb8 20. b3 Be7 21. Be3 1-0

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.20"]
[Round "5"]
[White "Davidson, Jacques"]
[Black "Landau, Salo"]
[Result "0-1"]
[ECO "D40"]
[PlyCount "80"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[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 d5 4. e3 c5 5. Nc3 Nc6 6. Bd3 dxc4 7. Bxc4 a6 8. 0-0 b5 9. Bb3 Bb7 10. dxc5 Bxc5 11. Qe2 0-0 12. e4 Nd4 13. Nxd4 Bxd4 14. e5 Nd7 15. Rd1 Qb6 16. Be3 Bxe3 17. Rxd7 Bc5 18. Rd3 Rfd8 19. Rg3 Rd4 20. Bc2 g6 21. Be4 Rad8 22. Bxb7 Qxb7 23. Qe1 Rf4 24. Nd1 Qd5 25. Rb3 Re4 26. Ne3 Qxe5 27. g3 h5 28. Rc1 h4 29. Kg2 Qh5 30. Rd1 h3+ 31. Kf1 Red4 32. Rxd4 Bxd4 33. Qd1 Qc5 34. Rd3 e5 35. b3 Qc6 36. Ke2 Rc8 37. f3 Qc5 38. Qd2 f5 39. b4 Qc1 40. Qxc1 Rxc1 0-1

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.19"]
[Round "4"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "71"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Nbd2 Nc6 6. Bd3 Qc7 7. 0-0 e5 8. dxe5 Nxe5 9. Nxe5 Qxe5 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Bd6 13. f4 Qf6 14. Qd3 h5 15. Bxb7 Bxb7 16. Qb5+ Kf8 17. Qxb7 Rb8 18. Qxa7 Kg8 19. Qa6 Kh7 20. Qe2 g6 21. f5 Rhe8 22. fxg6+ Qxg6 23. Qf3 Kg8 24. Qf6 c4 25. Qxg6+ fxg6 26. a4 Bc5+ 27. Kh1 Re2 28. a5 Rbe8 29. a6 Ba7 30. h3 Rc2 31. Ra4 Ree2 32. Rxc4 Rxg2 33. Rc8+ Kg7 34. Rc7+ Kg8 35. Bf4 Bb6 36. a7 1-0

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.18"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Landau, Salo"]
[Result "1/2-1/2"]
[ECO "D75"]
[PlyCount "80"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 0-0 6. cxd5 Nxd5 7. Bg2 c5 8. 0-0 cxd4 9. Nxd4 Nxc3 10. bxc3 Qa5 11. Qb3 Na6 12. Ba3 Bf6 13. Rab1 Rb8 14. Rfc1 Rd8 15. e3 Kg7 16. c4 Nc5 17. Qb2 Nd3 18. Qc3 Qxc3 19. Rxc3 Ne5 20. Rcc1 Nd7 21. c5 e5 22. c6 bxc6 23. Nxc6 Rxb1 24. Rxb1 Rh8 25. Nxa7 Ba6 26. Bd6 h5 27. Bc6 Nf8 28. Rb8 Ne6 29. Rxh8 Kxh8 30. a4 Nd8 31. Bd5 Kg7 32. e4 Nb7 33. Bc7 Nc5 34. a5 Ne6 35. Bd6 Nd4 36. Nc6 Nxc6 37. Bxc6 g5 38. h3 Kg6 39. Bc7 Bg7 40. Kg2 g4 1/2-1/2

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.17"]
[Round "2"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "80"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[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 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Qc2 0-0 8. Rd1 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. a3 N5f6 12. Ne4 e5 13. Ng3 g6 14. h4 e4 15. Ng5 Nb6 16. Ba2 Bg4 17. Rc1 Rae8 18. Bb1 Qd7 19. Qc5 Qd5 20. Qxd5 cxd5 21. Rc7 h6 22. Nh3 Nc4 23. Nf4 Nxb2 24. Rxb7 Nc4 25. Ba2 Nb6 26. Kd2 Ra8 27. Rc1 Rfc8 28. Rcc7 Rxc7 29. Rxc7 Kg7 30. Bb3 g5 31. hxg5 hxg5 32. Nfe2 Be6 33. Nc3 Kg6 34. a4 a6 35. a5 Nc8 36. Na4 Rb8 37. Nc5 Nd6 38. Rc6 Nc4+ 39. Bxc4 dxc4 40. Nxe6 fxe6 1-0

[Event "Match Landau-Davidson +5-0 =1"]
[Site "Amsterdam"]
[Date "1938.05.16"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Landau, Salo"]
[Result "0-1"]
[ECO "D41"]
[PlyCount "52"]
[EventDate "1938.05.16"]
[EventType "match"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 c5 4. c4 Nf6 5. Nc3 Nc6 6. cxd5 Nxd5 7. Qb3 cxd4 8. Nxd5 exd5 9. Nxd4 Bb4+ 10. Kd1 Be7 11. Bb5 Qd6 12. Qc2 Bd7 13. Nf5 Qg6 14. Bxc6 bxc6 15. Ng3 Qf6 16. Ke2 Rb8 17. f3 0-0 18. Rd1 Bd6 19. Kf2 Be5 20. Rd2 Rb4 21. f4 Rfb8 22. Rb1 Bc3 23. Re2 Bg4 24. Bd2 d4 25. exd4 Qxd4+ 26. Kf1 Bxe2+ 0-1

[Event "Match Spielmann-Davidson (3rd) +2=2-0"]
[Site "Amsterdam"]
[Date "1933.04.18"]
[Round "4"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "73"]
[EventDate "1933.04.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. c3 Nd7 7. Bd3 Bg6 8. Bf4 Ndf6 9. Nd2 Bxd3 10. Qxd3 Bd6 11. Bxd6 Qxd6 12. Nc4 Qc7 13. Nf3 Ne7 14. Nce5 h6 15. 0-0-0 Ned5 16. c4 Nb4 17. Qb3 a5 18. a3 Na6 19. Kb1 0-0 20. g4 b5 21. g5 bxc4 22. Qxc4 hxg5 23. Nxg5 c5 24. Nxe6 fxe6 25. Qxe6+ Rf7 26. Rc1 Qe7 27. Qxf7+ Qxf7 28. Nxf7 Kxf7 29. dxc5 Rc8 30. c6 Ke6 31. Rhg1 Rc7 32. Rg5 Nb8 33. Rxa5 Nxc6 34. b4 Ne8 35. Rac5 Kd6 36. Rd1+ Ke6 37. Re1+ 1-0

[Event "Match Spielmann-Davidson (3rd) +2=2-0"]
[Site "Amsterdam"]
[Date "1933.04.17"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Spielmann, Rudolf"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "66"]
[EventDate "1933.04.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 e5 7. Nb3 Nc6 8. Nc3 d4 9. Nb1 Bf5 10. c3 d3 11. exd3 Qxd3 12. Qxd3 Bxd3 13. Re1 e4 14. Bg5 0-0-0 15. N1d2 Be7 16. Nxe4 Nxe4 17. Bxe7 Nxe7 18. Bxe4 Bxe4 19. Rxe4 Nc6 20. Rae1 Rd6 21. f4 Rhd8 22. Kf2 b6 23. Re8 Rxe8 24. Rxe8+ Kd7 25. Re2 Kc7 26. Rd2 Re6 27. h4 h5 28. Rd5 g6 29. Nd4 Nxd4 30. Rxd4 Kc6 31. Rd8 a5 32. Rd2 Re7 33. Rd4 Kc5 1/2-1/2

[Event "Match Spielmann-Davidson (3rd) +2=2-0"]
[Site "Amsterdam"]
[Date "1933.04.16"]
[Round "2"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "57"]
[EventDate "1933.04.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. b3 b6 9. Bb2 Bb7 10. Qe2 dxc4 11. bxc4 c5 12. Rad1 cxd4 13. exd4 Re8 14. Ne5 Rc8 15. f4 a6 16. Kh1 Qc7 17. d5 Nc5 18. Bb1 exd5 19. Nxd5 Bxd5 20. cxd5 Bd6 21. Qf3 b5 22. Nc6 Nfe4 23. g4 f5 24. gxf5 Qf7 25. Be5 Rxc6 26. dxc6 Bxe5 27. Bxe4 Nxe4 28. fxe5 Rxe5 29. Rd8+ 1-0

[Event "Match Spielmann-Davidson (2nd) +3=1-0"]
[Site "Amsterdam"]
[Date "1932.03.25"]
[Round "4"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "105"]
[EventDate "1932.03.20"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Ne5 Nd7 7. Nxg6 hxg6 8. d4 Ngf6 9. c3 e6 10. Bd3 Bd6 11. Bg5 Qc7 12. Qf3 Qa5 13. h4 Qd5 14. Ne4 Nxe4 15. Qxe4 Qxe4+ 16. Bxe4 Nf6 17. Bf3 Nd5 18. g3 a5 19. a3 Kd7 20. c4 Ne7 21. 0-0-0 Rab8 22. Rhe1 Rhe8 23. Bd2 Bc7 24. Bc3 Nf5 25. Bg4 Ke7 26. d5 cxd5 27. cxd5 Bb6 28. Re2 Kf8 29. dxe6 Rxe6 30. Rxe6 fxe6 31. Rd2 Rc8 32. Kd1 Rd8 33. Bf3 Nd6 34. Ke2 Bc7 35. Rc2 Rd7 36. Be5 Bb8 37. Rd2 Kf7 38. Rd4 Bc7 39. Bxb7 Bb6 40. Rxd6 Rxb7 41. Rc6 Bd8 42. Kd3 Bf6 43. Rc7+ Rxc7 44. Bxc7 a4 45. Kc2 Bd4 46. f3 e5 47. b3 axb3+ 48. Kxb3 Ke6 49. Kc4 Bf2 50. g4 Bxh4 51. a4 Bg3 52. Kb5 Kd7 53. Kb6 1-0

[Event "Match Spielmann-Davidson (2nd) +3=1-0"]
[Site "Amsterdam"]
[Date "1932.03.??"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Spielmann, Rudolf"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "36"]
[EventDate "1932.03.20"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nf6 4. Nbd2 cxd4 5. cxd4 d5 6. e3 Nc6 7. Be2 Bd6 8. 0-0 Qc7 9. h3 Rg8 10. Qc2 g5 11. e4 g4 12. hxg4 Nxg4 13. e5 Ncxe5 14. Qxh7 Nf6 15. Qh4 Ng6 16. Qg5 Nf4 17. Bb5+ Ke7 18. Qh6 Bd7 0-1

[Event "Match Spielmann-Davidson (2nd) +3=1-0"]
[Site "Amsterdam"]
[Date "1932.03.??"]
[Round "2"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "111"]
[EventDate "1932.03.20"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Be3 Qb6 5. Qc1 c5 6. dxc5 Bxc5 7. Bxc5 Qxc5 8. Qg5 Qb4+ 9. Nd2 Qxb2 10. Rb1 Qf6 11. Qg3 Nc6 12. Bd3 Nge7 13. Ne2 0-0 14. 0-0 Ne5 15. f4 Nxd3 16. Qxd3 b6 17. f5 Qe5 18. fxe6 Bxe6 19. Nd4 dxe4 20. Nxe4 Rfd8 21. c3 Rd5 22. Rbe1 Qh5 23. Qg3 Qg6 24. Qf3 Rc8 25. Ng3 h6 26. Nxe6 fxe6 27. Re4 Nf5 28. Ne2 Nd6 29. Rg4 Rg5 30. Nf4 Qe4 31. Rxg5 hxg5 32. Qxe4 Nxe4 33. Nxe6 Nxc3 34. Nxg5 Nxa2 35. Rf7 Ra8 36. Rb7 a5 37. g4 Nc3 38. Ne6 a4 39. Rxg7+ Kh8 40. Rc7 a3 41. Rxc3 a2 42. Rc1 a1Q 43. Rxa1 Rxa1+ 44. Kf2 Rd1 45. Ke2 Rh1 46. Kd3 Rxh2 47. Kc3 Rg2 48. Nc7 Rxg4 49. Nd5 Rg6 50. Kb4 Rc6 51. Nc3 Kg7 52. Na4 Kf6 53. Kb5 Rc1 54. Nxb6 Ke6 55. Nc4 Kd5 56. Nb6+ 1/2-1/2

[Event "Match Spielmann-Davidson +4-0=0"]
[Site "Amsterdam"]
[Date "1932.02.24"]
[Round "4"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "67"]
[EventDate "1932.02.21"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde2 g6 7. Nf4 Bg7 8. Be2 b6 9. Nfd5 0-0 10. Nxf6+ Bxf6 11. Bh6 Re8 12. Qd2 Nd4 13. Bd3 Bd7 14. Nd5 Bh8 15. c3 Ne6 16. 0-0 Nc5 17. Bc2 Rc8 18. Rad1 Bc6 19. f3 Ba4 20. Bxa4 Nxa4 21. f4 b5 22. f5 Be5 23. Qf2 f6 24. Bf4 Nb6 25. Bxe5 Nxd5 26. Rxd5 fxe5 27. fxg6 Qb6 28. gxh7+ Kxh7 29. Qxb6 axb6 30. Rxb5 Rc4 31. Re1 e6 32. Rxb6 d5 33. exd5 exd5 34. Rb5 1-0

[Event "Match Spielmann-Davidson +4-0=0"]
[Site "Amsterdam"]
[Date "1932.02.23"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Spielmann, Rudolf"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "92"]
[EventDate "1932.02.21"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Be2 Bd6 7. 0-0 0-0 8. Qc2 b6 9. e4 dxe4 10. Nxe4 Be7 11. Bf4 Nxe4 12. Qxe4 Bb7 13. Rad1 Nf6 14. Qc2 Bd6 15. Bg5 Qc7 16. c5 Be7 17. Bd3 h6 18. Bd2 Rfd8 19. b4 bxc5 20. bxc5 a5 21. Qc1 Ba6 22. Bf4 Qb7 23. Bxh6 gxh6 24. Qxh6 Bxd3 25. Rxd3 Ne8 26. Ne5 Bf8 27. Rg3+ Bg7 28. Qh4 Rd5 29. Qf4 Rad8 30. Nf3 Qe7 31. Re1 Qf6 32. Qc1 Qf5 33. Ne5 Rc8 34. Rf3 Qh5 35. Nxf7 Qxf3 36. gxf3 Kxf7 37. Qe3 Nc7 38. Qf4+ Bf6 39. Re5 Nb5 40. Rxd5 cxd5 41. Qd2 Bxd4 42. Qxa5 Rxc5 43. Qd8 Bf6 44. Qd7+ Be7 45. h4 d4 46. a4 Nc3 0-1

[Event "Match Spielmann-Davidson +4-0=0"]
[Site "Amsterdam"]
[Date "1932.02.22"]
[Round "2"]
[White "Spielmann, Rudolf"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "47"]
[EventDate "1932.02.21"]
[EventType "match"]
[EventRounds "4"]
[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. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. b3 d6 8. Bb2 Nbd7 9. Nc3 Ne4 10. Qc2 Nxc3 11. Bxc3 f5 12. d5 e5 13. Bh3 g6 14. Nd2 Nf6 15. e4 Nxe4 16. Nxe4 fxe4 17. Be6+ Kg7 18. Qxe4 Bf6 19. Rae1 Bc8 20. f4 exf4 21. Bxf6+ Qxf6 22. Rxf4 Qc3 23. Rxf8 Kxf8 24. Rf1+ 1-0

[Event "Match Spielmann-Davidson +4-0=0"]
[Site "Amsterdam"]
[Date "1932.02.21"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Spielmann, Rudolf"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "82"]
[EventDate "1932.02.21"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 Be7 7. c3 0-0 8. Qe2 d6 9. e4 cxd4 10. Nxd4 Nfd7 11. Kh1 Nc5 12. Bb5 a6 13. Bc4 b5 14. Bb3 Nxb3 15. N2xb3 Nd7 16. f4 Nc5 17. Nxc5 dxc5 18. Nf3 Qc7 19. Bd2 Rad8 20. Rad1 Qa5 21. a3 Qa4 22. c4 Qxc4 23. Qxc4 bxc4 24. Rfe1 Bf6 25. Rb1 Rd7 26. Ba5 Bd8 27. Bc3 f6 28. Nd2 Bc7 29. g3 Rfd8 30. Nxc4 f5 31. Kg1 Bxe4 32. Rbc1 h5 33. h4 g5 34. hxg5 Rd3 35. Re3 h4 36. Kh2 Rxe3 37. Nxe3 Rd3 38. Re1 c4 39. Kh3 Bb6 40. Nxc4 Bf2 41. Rc1 Rxg3+ 0-1

[Event "Match Davidson-Landau +0-0=3"]
[Site "Amsterdam"]
[Date "1932.01.07"]
[Round "3"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "56"]
[EventDate "1932.01.03"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. Nbd2 e6 5. c3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. Qe2 cxd4 9. exd4 b6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Nb3 Nc5 13. Nxc5 bxc5 14. b3 a5 15. f4 g6 16. c4 d4 17. g4 f5 18. Bd2 Bb7 19. g5 Qc7 20. h4 h5 21. a3 Rfb8 22. Rfb1 Bc6 23. Rb2 Rb7 24. Rab1 Rab8 25. Qe1 Bd8 26. Kf2 Ra7 27. Kg3 Be7 28. Qe2 Kf7 1/2-1/2

[Event "Match Davidson-Landau +0-0=3"]
[Site "Amsterdam"]
[Date "1932.01.06"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Landau, Salo"]
[Result "1/2-1/2"]
[ECO "E06"]
[PlyCount "55"]
[EventDate "1932.01.03"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 e6 4. Bg2 d5 5. 0-0 Be7 6. c4 c6 7. Ne5 0-0 8. Nc3 Ba6 9. cxd5 cxd5 10. Bf4 Nfd7 11. Rc1 Nxe5 12. Bxe5 Nd7 13. Bf4 b5 14. Re1 Rc8 15. e4 dxe4 16. Nxe4 Rxc1 17. Qxc1 Qa5 18. Qb1 b4 19. Rc1 Nf6 20. Nc5 Bb5 21. Bd2 Qd8 22. Bxb4 Qxd4 23. Bc3 Qg4 24. Ne4 Nd5 25. Bd4 f5 26. h3 Qg6 27. Nc3 Nxc3 28. Rxc3 1/2-1/2

[Event "Match Davidson-Landau +0-0=3"]
[Site "Amsterdam"]
[Date "1932.01.03"]
[Round "1"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "D64"]
[PlyCount "119"]
[EventDate "1932.01.03"]
[EventType "match"]
[EventRounds "3"]
[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. Nc3 d5 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Rc1 c6 8. Qc2 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Qxc3 Re8 13. Rfd1 Nb6 14. Bb3 Bd7 15. e4 Rad8 16. Rd3 Nc8 17. Qa5 Rf8 18. e5 Be8 19. Nd2 b6 20. Qc3 Qd7 21. Ne4 Ne7 22. Qd2 f5 23. exf6 gxf6 24. Qf4 Kg7 25. Rh3 Bg6 26. Rd1 Nf5 27. Rhd3 Nd6 28. f3 Nf5 29. R3d2 Ne7 30. Nc3 Qd6 31. Qxd6 Rxd6 32. Re2 Bf7 33. Rde1 Nf5 34. Ne4 Rxd4 35. g4 Nh4 36. Kf2 h6 37. Ng3 e5 38. Bxf7 Kxf7 39. Rc2 c5 40. Re3 Rfd8 41. Ne4 Rd3 42. Rc3 Rxe3 43. Rxe3 Ng6 44. Ra3 Rd7 45. Kg3 Nf4 46. h4 Kg6 47. Ra6 Nd3 48. b3 Nb4 49. Ra4 a5 50. a3 Nc2 51. h5+ Kg7 52. b4 cxb4 53. axb4 Nxb4 54. Ra1 Kf7 55. Rc1 Nd5 56. Rc8 a4 57. Ra8 b5 58. Ra5 Nc7 59. Kf2 Ke7 60. Ng3 1/2-1/2

[Event "NED Team-ch 1929/30"]
[Site "Netherlands"]
[Date "1929.11.17"]
[Round "1.2"]
[White "Davidson, Jacques"]
[Black "De Brie, Gerardus"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "75"]
[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 VAS"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. c4 dxc4 3. Na3 Nf6 4. Nxc4 e6 5. g3 Nbd7 6. Bg2 Nb6 7. 0-0 Be7 8. b3 0-0 9. Bb2 Nxc4 10. bxc4 Rb8 11. Qc2 Bd7 12. Ne5 Bd6 13. f4 Bxe5 14. fxe5 Ne8 15. Ba3 g6 16. Bxf8 Kxf8 17. Qc3 Qe7 18. Rf2 Ng7 19. Raf1 Be8 20. d4 c6 21. e4 Rd8 22. Bf3 Kg8 23. Bd1 Qd7 24. Rd2 Qc7 25. Bb3 Qb6 26. Kg2 Qc7 27. Rf3 Rc8 28. Qe3 Rd8 29. Qg5 a6 30. g4 h5 31. h3 Kh7 32. d5 cxd5 33. exd5 exd5 34. cxd5 Qc1 35. Qe3 Bc6 36. Rf1 Rxd5 37. Rxc1 Rxe5+ 38. Kf2 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.25"]
[Round "9"]
[White "Landau, Salo"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D67"]
[PlyCount "159"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. h4 h6 11. Bxe7 Qxe7 12. g4 Nxc3 13. Rxc3 g6 14. Qc2 Kg7 15. Qe4 Qd6 16. Bb3 Nf6 17. Qd3 Nxg4 18. h5 g5 19. Bc2 f5 20. Nd2 e5 21. Rg1 e4 22. Qf1 Be6 23. Bd1 Nf6 24. Qh3 Rae8 25. Bb3 Bxb3 26. Rxb3 Qd7 27. Nc4 Ng4 28. Qg3 Re6 29. Ke2 b5 30. Nd2 Nf6 31. Rc1 Nd5 32. a4 a6 33. axb5 axb5 34. Ra3 f4 35. Qg4 fxe3 36. fxe3 Qf7 37. Ra7 Re7 38. Rxe7 Nxe7 39. Rf1 Qd5 40. Rxf8 Kxf8 41. Qxe4 Qxe4 42. Nxe4 Kf7 43. Nf2 Nf5 44. Ng4 Ke6 45. Kf3 Nh4+ 46. Ke4 Nf5 47. b4 Nd6+ 48. Kd3 Nf7 49. e4 Kd6 50. e5+ Ke7 51. Ke4 Ke6 52. Ne3 Nd8 53. Nf5 Nf7 54. Ng7+ Ke7 55. Kf5 Nd8 56. Kg6 Nf7 57. Nf5+ Ke6 58. Nxh6 Nxh6 59. Kxg5 Nf7+ 60. Kg6 c5 61. dxc5 Nxe5+ 62. Kg7 Nc6 63. h6 Nxb4 64. h7 Kd5 65. h8Q Kxc5 66. Qf8+ Kc4 67. Qc8+ Kd4 68. Kf6 Nd3 69. Kf5 b4 70. Qd7+ Kc4 71. Qc6+ Kb3 72. Ke4 Nb2 73. Kd4 Ka2 74. Ke3 b3 75. Kd2 Ka3 76. Qc5+ Ka2 77. Qa7+ Kb1 78. Kc3 Nd1+ 79. Kxb3 Kc1 80. Qd4 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.24"]
[Round "8"]
[White "Loman, Rudolf Johannes"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "35"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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. Be2 Be7 10. Nf3 0-0 11. 0-0 Qd7 12. a3 Rad8 13. Qe1 f6 14. Rd1 a6 15. Qg3 Na5 16. Nd2 fxe5 17. dxe5 Bc2 18. Rc1 1/2-1/2

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.23"]
[Round "7"]
[White "Davidson, Jacques"]
[Black "Mulder, Emile AJM"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "81"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 d5 4. Nd2 Nbd7 5. f4 c5 6. Ngf3 Be7 7. 0-0 0-0 8. c3 b6 9. Ne5 Bb7 10. Qf3 Qc7 11. g4 g6 12. Rf2 c4 13. Bc2 b5 14. h4 Nxe5 15. fxe5 Ne8 16. g5 Ng7 17. e4 a5 18. exd5 exd5 19. Nf1 Qd7 20. Ne3 Nh5 21. Bd2 Ra7 22. Raf1 Bd8 23. Bf5 Qc6 24. Bh3 Ba8 25. Bg2 Rd7 26. Nf5 Qc7 27. Nh6+ Kg7 28. e6 Re7 29. exf7 Bc6 30. Nf5+ gxf5 31. Qxh5 Rexf7 32. Bf4 Qd7 33. Be5+ Kg8 34. g6 Rf6 35. gxh7+ Qxh7 36. Qxh7+ Kxh7 37. Bxf6 Rxf6 38. Rxf5 Rg6 39. h5 Rd6 40. R1f4 b4 41. Rg4 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.22"]
[Round "6"]
[White "Davidson, Jacques"]
[Black "Weenink, Henri Gerard"]
[Result "1/2-1/2"]
[ECO "D74"]
[PlyCount "43"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 Nc6 6. d4 d5 7. cxd5 Nxd5 8. e4 Nb6 9. d5 Na5 10. Qc2 Nac4 11. Nc3 Bg4 12. h3 Bd7 13. b3 Nd6 14. Bb2 c5 15. e5 Nf5 16. Qe4 e6 17. dxe6 Bc6 18. exf7+ Rxf7 19. Qe1 Nd4 20. Nxd4 cxd4 21. Ne4 Bxe5 22. Qd2 1/2-1/2

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.20"]
[Round "5"]
[White "Van den Bosch, Johannes"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "67"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. c3 0-0 8. d4 exd4 9. cxd4 Bg4 10. Nc3 b5 11. Bc2 Re8 12. Ne2 Nb4 13. Bb1 c5 14. d5 a5 15. Ng3 Nd7 16. a3 Na6 17. h3 Bxf3 18. Qxf3 Ne5 19. Qe2 Nc7 20. f4 Ng6 21. Be3 Bh4 22. Qg4 Bf6 23. Re2 Qc8 24. Nf5 Ra6 25. a4 c4 26. Bf2 b4 27. e5 dxe5 28. fxe5 Nxd5 29. exf6 Nxf6 30. Rxe8+ Qxe8 31. Qxc4 Rc6 32. Qf1 Nd5 33. Bd3 Rc8 34. Nd6 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.19"]
[Round "4"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "75"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. 0-0 Bc5 9. Bb2 Qb6 10. Na3 Ne4 11. Ne1 0-0 12. Nd3 Bd6 13. Nc2 Be6 14. e3 dxe3 15. Nxe3 Rad8 16. Qh5 f5 17. g4 Ne7 18. gxf5 Nxf5 19. Rae1 Nxe3 20. Rxe3 Bf7 21. Qf5 Kh8 22. Ne5 Bxe5 23. Qxe5 Nf6 24. Bd4 Qa6 25. a4 Rde8 26. Qc7 Rc8 27. Qe7 Rce8 28. Qc5 Ne4 29. Qxa7 Qxa7 30. Bxa7 Nd2 31. Rc1 Rxe3 32. fxe3 Nxb3 33. Rc7 Kg8 34. Rxb7 Nd2 35. a5 Rc8 36. a6 Nc4 37. Bd4 Na5 38. Rxf7 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.18"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Geus, Klaas"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "92"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 Nbd7 6. e4 e6 7. 0-0 Be7 8. Qe2 Rb8 9. e5 Nd5 10. Ne4 Nb4 11. exd6 cxd6 12. Bb5 a6 13. Ba4 b5 14. Bb3 Nb6 15. c3 N4d5 16. Bd2 Rc8 17. Rad1 0-0 18. Rfe1 Nf6 19. Ng3 Bd5 20. Bxd5 Nfxd5 21. Qd3 Nf6 22. Ng5 h6 23. Nh3 Nc4 24. Bc1 d5 25. f4 Nd6 26. Nf2 Re8 27. Re2 Bf8 28. Rde1 g6 29. Qf3 Bg7 30. Nf1 Nfe4 31. Qh3 f5 32. g4 b4 33. gxf5 exf5 34. Bd2 Qb6 35. Ne3 Qb7 36. Nxe4 Nxe4 37. Nd1 Qc6 38. Qd3 bxc3 39. bxc3 Kf7 40. Rf1 Qc4 41. Qxc4 Rxc4 42. Be1 Rec8 43. Kg2 Bf6 44. Rb2 Bd8 45. Ne3 Ra4 46. Nxd5 Ba5 1/2-1/2

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.17"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Straat, Evert"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "73"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. e3 e6 7. Bd3 Bd7 8. 0-0 Be7 9. Ne5 0-0 10. f4 Be8 11. Rf3 Nxe5 12. fxe5 Ng4 13. h3 Nh6 14. e4 dxe4 15. Bxe4 Bg5 16. Bxg5 Qxg5 17. Bxb7 Rb8 18. Ne4 Qh4 19. Nd6 Rxb7 20. Nxb7 Bc6 21. Rb3 Qe4 22. Qf3 Qxd4+ 23. Qf2 Qxe5 24. Re1 Qd5 25. Nc5 Nf5 26. Ne4 Rd8 27. Qxa7 h6 28. Rb8 Rxb8 29. Qxb8+ Kh7 30. Qb3 Qd4+ 31. Nf2 g6 32. Qc3 Qd5 33. Ne4 Qd4+ 34. Qxd4 Nxd4 35. Nc5 Bd5 36. a4 Nc6 37. Ra1 1-0

[Event "NED-ch07"]
[Site "Amsterdam"]
[Date "1929.07.16"]
[Round "1"]
[White "Olland, Adolf Georg"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "81"]
[EventDate "1929.07.16"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Be3 g6 7. Nf3 Bg7 8. Nc3 Nc6 9. Be2 0-0 10. Qd2 d5 11. b3 dxc4 12. bxc4 Na5 13. c5 Nac4 14. Qc2 Bf5 15. Bd3 Nxe3 16. fxe3 Bxd3 17. Qxd3 Nd5 18. 0-0 Nxc3 19. Qxc3 Qd5 20. Qb3 Qxb3 21. axb3 Rfd8 22. b4 a6 23. Ra3 Rac8 24. Ng5 Rd5 25. h4 h6 26. Ne4 Rdd8 27. g4 Rc6 28. Rd3 Re6 29. Rf4 Be5 30. Rf3 Bh2+ 31. Kxh2 Rxe4 32. Rf4 Rxf4 33. exf4 e6 34. Kg3 Rd5 35. Kf3 Kf8 36. Ke3 g5 37. hxg5 hxg5 38. fxg5 Rxg5 39. Kf4 Rd5 40. Ke4 Ke7 41. Rf3 1/2-1/2

[Event "NED Team-ch 1928/29 relegation"]
[Site "Netherlands"]
[Date "1929.06.23"]
[Round "1.2"]
[White "Zittersteyn, Gerard WJ"]
[Black "Davidson, Jacques"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "38"]
[EventDate "1929.06.23"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD II"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nc3 Ne4 6. Bd3 f5 7. 0-0 Bd6 8. Qc2 Nd7 9. b3 0-0 10. Bb2 Rf6 11. Ne2 Rh6 12. Bxe4 Bxh2+ 13. Nxh2 Qh4 14. Rfe1 Qxh2+ 15. Kf1 fxe4 16. Ng3 Nf6 17. Ba3 e5 18. Bd6 Bg4 19. Bxe5 Qh1+ 0-1

[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 "1929.02.17"]
[Round "3.2"]
[White "Davidson, Jacques"]
[Black "Van den Bosch, Johannes"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "124"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 0-0 8. e3 c5 9. Be2 dxc4 10. Bxc4 cxd4 11. cxd4 Qa5+ 12. Qd2 Qh5 13. 0-0 Nc6 14. Be2 Qd5 15. Rab1 Bf5 16. Rb5 Qd7 17. Qb2 b6 18. Rb3 Na5 19. Rc3 Rac8 20. Rfc1 Rxc3 21. Rxc3 Rc8 22. h3 Qd5 23. Rxc8+ Bxc8 24. Qc2 Qc6 25. Qxc6 Nxc6 26. a3 Bf8 27. Bb5 Bb7 28. d5 Na5 29. e4 a6 30. Bd7 b5 31. Ne5 Bg7 32. Nc6 Nc4 33. Nxe7+ Kf8 34. Nc6 Bb2 35. Bh6+ Kg8 36. Nd8 Ne5 37. Be8 Bc8 38. f4 Bd7 39. fxe5 Bxe8 40. Nc6 Bxa3 41. Bd2 Kf8 42. Bh6+ Kg8 43. Bd2 Bd7 44. Kf2 Kf8 45. Ke3 Ke8 46. Kd4 Bxc6 47. dxc6 b4 48. Kc4 Kd8 49. Bf4 g5 50. Bxg5+ Kc7 51. Be7 Kxc6 52. Bxb4 Bxb4 53. Kxb4 Kd7 54. Ka5 Ke6 55. Kxa6 Kxe5 56. Kb6 Kxe4 57. Kc6 Kf4 58. Kd6 Kg3 59. Ke7 Kxg2 60. Kxf7 Kxh3 61. Kf6 h5 62. Kg5 h4 0-1

[Event "Amsterdam-ch"]
[Site "Amsterdam"]
[Date "1928.06.18"]
[Round "5"]
[White "Davidson, Jacques"]
[Black "Willems, JL."]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "83"]
[EventDate "1928.05.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. e3 Bd6 5. Nc3 c6 6. Bd3 e5 7. e4 d4 8. Ne2 Nbd7 9. Ng3 Nc5 10. Qe2 0-0 11. 0-0 Ne6 12. Qd1 Bc7 13. Re1 Nf4 14. Bf1 Re8 15. d3 Ba5 16. Nd2 h5 17. Ne2 Ng6 18. g3 h4 19. Bg2 hxg3 20. hxg3 Ng4 21. Bc1 Kh7 22. Bf3 Rh8 23. Kg2 Kg8 24. Rh1 Rxh1 25. Qxh1 Qf6 26. Qh5 Qe6 27. Nc4 Nf6 28. Qh2 Bc7 29. Ba3 b5 30. Nd2 a5 31. Rh1 b4 32. Bc1 a4 33. Nc4 Ba6 34. Bg5 Kf8 35. Bh5 Ke7 36. Bxg6 fxg6 37. f4 Bxc4 38. bxc4 Qg4 39. Bxf6+ Kxf6 40. Qh4+ Qxh4 41. fxe5+ Bxe5 42. Rxh4 1/2-1/2

[Event "Amsterdam-ch"]
[Site "Amsterdam"]
[Date "1928.06.13"]
[Round "4"]
[White "Schelfhout, Willem AT"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "77"]
[EventDate "1928.05.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Be2 c6 7. 0-0 Nbd7 8. cxd5 cxd5 9. Qb3 e6 10. Bd2 Ne4 11. Rfd1 f5 12. Be1 Kh8 13. Nd2 Ndf6 14. Nf1 Rf7 15. Rac1 b6 16. f3 Nxc3 17. Rxc3 Bb7 18. Rdc1 f4 19. Bf2 Nh5 20. Qd1 e5 21. exf4 Nxf4 22. Ng3 Nxe2+ 23. Nxe2 e4 24. Ng3 Qd6 25. Qd2 Raf8 26. Qd1 exf3 27. Rxf3 Rxf3 28. gxf3 Qf4 29. Rc3 h5 30. Ne2 Qg5+ 31. Kh1 Ba6 32. h4 Qf5 33. Ng1 Bc8 34. a4 Qf4 35. Qc1 Qxc1 36. Rxc1 Bd7 37. Rc7 Bxa4 38. Rxa7 Bd1 39. Kg2 1/2-1/2

[Event "Amsterdam-ch"]
[Site "Amsterdam"]
[Date "1928.05.26"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Van Hartingsvelt, Hendrik"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "105"]
[EventDate "1928.05.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Bg5 c6 5. e3 Qa5+ 6. Nbd2 Ne4 7. Bf4 Bb4 8. a3 Bxd2+ 9. Nxd2 Nxd2 10. Qxd2 Qxd2+ 11. Kxd2 Nd7 12. c5 f6 13. Bd6 f5 14. Bd3 Nf6 15. f3 Kd7 16. b4 a6 17. a4 Rg8 18. b5 axb5 19. axb5 Rxa1 20. Rxa1 Ne8 21. Be5 Nc7 22. bxc6+ Kxc6 23. Rb1 g5 24. Rb6+ Kd7 25. e4 g4 26. exf5 gxf3 27. gxf3 Rf8 28. Bg7 Rf7 29. f6 Ne8 30. Bb5+ Kd8 31. Bxe8 Kxe8 32. Ke3 Rc7 33. Kf4 Kf7 34. Ke5 Ke8 35. h4 Kf7 36. h5 Ke8 37. h6 Kf7 38. f4 Ke8 39. Rxe6+ Bxe6 40. Kxe6 Rc6+ 41. Kxd5 Kf7 42. f5 Ra6 43. Kc4 Ra4+ 44. Kc3 b5 45. cxb6 Ra6 46. d5 Rxb6 47. Kd4 Ra6 48. Ke5 Rb6 49. d6 Rb5+ 50. Ke4 Rb1 51. Kd5 Rd1+ 52. Kc6 Rc1+ 53. Kd5 1/2-1/2

[Event "Amsterdam-ch"]
[Site "Amsterdam"]
[Date "1928.05.20"]
[Round "2"]
[White "Weenink, Henri Gerard"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "79"]
[EventDate "1928.05.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Be3 Be7 7. Bd3 Nc6 8. Nd2 d5 9. c5 Nd7 10. Qa4 0-0 11. b4 Qe8 12. b5 Nd8 13. Ne2 f5 14. 0-0-0 Nf6 15. Qb3 Ng4 16. Nf3 c6 17. Ne5 Nxe3 18. fxe3 Bf6 19. bxc6 bxc6 20. Qc3 Bxe5 21. dxe5 Nf7 22. Rhf1 Nxe5 23. Nd4 g6 24. h3 Bd7 25. Ba6 Rb8 26. Kc2 Qe7 27. Nb3 Nf7 28. Rd4 Rfe8 29. Re1 Ng5 30. Bd3 Qe5 31. Ra4 Rb7 32. Qxe5 Rxe5 33. Na5 Rc7 34. Kd2 Be8 35. Rb4 Bf7 36. Reb1 Ne6 37. Rb8+ Kg7 38. R1b7 Rxb7 39. Rxb7 Nxc5 40. Rxa7 1/2-1/2

[Event "Amsterdam-ch"]
[Site "Amsterdam"]
[Date "1928.05.14"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Landau, Salo"]
[Result "0-1"]
[ECO "E21"]
[PlyCount "106"]
[EventDate "1928.05.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 d6 8. 0-0 0-0 9. a4 a5 10. Qb3 Nbd7 11. Ba3 Ne4 12. Rad1 Qe7 13. Qc2 f5 14. Ne1 Rab8 15. Nd3 e5 16. f4 exf4 17. Nxf4 Qf7 18. Nd5 Bxd5 19. cxd5 Qxd5 20. g4 Rbe8 21. c4 Qe6 22. d5 Qg6 23. Rf4 Ndc5 24. Bxc5 Nxc5 25. gxf5 Qg5 26. Rdf1 Re3 27. Qd2 Rfe8 28. f6 gxf6 29. Qd4 R8e4 30. Qxf6 Qxf6 31. Rxf6 Re7 32. Bf3 Nxa4 33. Kh1 Nc5 34. Bh5 R3e5 35. Bf7+ Kg7 36. R6f4 Rg5 37. h4 Rg3 38. Kh2 Ree3 39. Be8 Kh8 40. Bh5 Rg8 41. Rf7 Reg3 42. Rxc7 Rg2+ 43. Kh1 Ne4 44. Bf3 Nf2+ 45. Rxf2 Rxf2 46. Be4 Rg4 47. Bf3 Rf1+ 48. Kh2 Rxh4+ 49. Kg3 Rh6 50. Rc8+ Kg7 51. Rc7+ Kf6 52. Rc6 Ke5 53. Rxb6 Rc1 0-1

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1928.02.12"]
[Round "4.1"]
[White "Davidson, Jacques"]
[Black "Olland, Adolf Georg"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "88"]
[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 "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. 0-0 e5 8. dxe5 Nxe5 9. Be2 Nxf3+ 10. Bxf3 Bg6 11. b3 Bb4 12. Bb2 Qa5 13. Nb1 0-0 14. a3 Be7 15. Nc3 Ne4 16. Qe1 f5 17. Be2 Qc7 18. Nxe4 dxe4 19. Bc4+ Kh8 20. a4 f4 21. exf4 Rxf4 22. Bd4 Raf8 23. Qc3 Bd6 24. Rad1 Re8 25. Rd2 c5 26. Be3 Rf5 27. Bd5 b6 28. Qc4 Qe7 29. Qc3 Be5 30. Qc4 Bb8 31. Qc3 Qc7 32. g3 Rf3 33. Rfd1 Ref8 34. Be6 Bh5 35. Bg4 Bxg4 36. hxg4 Qc8 37. Rd7 Rg8 38. Qd2 Be5 39. Rd8 Qxg4 40. Rxg8+ Kxg8 41. Qd5+ Rf7 42. Qa8+ Rf8 43. Rd8 Rxd8 44. Qxd8+ Kf7 1/2-1/2

[Event "NED Team-ch 1927/28"]
[Site "Netherlands"]
[Date "1927.12.04"]
[Round "2.1"]
[White "Fontein, George Salto"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "51"]
[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 VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 Nc6 5. 0-0 d5 6. c3 Ne4 7. Nbd2 f5 8. Ne5 Nxe5 9. dxe5 Nxd2 10. Bxd2 c4 11. Bc2 Bd7 12. f4 Bc5 13. Qh5+ g6 14. Qh3 Bc6 15. Rae1 0-0 16. Re2 Qb6 17. Bc1 Rf7 18. g4 Rg7 19. g5 Qc7 20. Qg3 b5 21. Bd2 a5 22. h4 b4 23. Bd1 bxc3 24. Bxc3 Qb6 25. Rfe1 a4 26. a3 1/2-1/2

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.20"]
[Round "4"]
[White "Davidson, Jacques"]
[Black "Olland, Adolf Georg"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "78"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nbd2 e6 5. g3 Bb4 6. a3 Qa5 7. Rb1 Bd6 8. b4 Qc7 9. c5 Be7 10. Bg2 Nbd7 11. Bb2 0-0 12. 0-0 Re8 13. Qc2 Bf8 14. h3 a5 15. Ne5 axb4 16. axb4 Nxe5 17. dxe5 Nd7 18. f4 b6 19. Nb3 bxc5 20. bxc5 Ba6 21. Bd4 Bc4 22. Rfc1 Reb8 23. Bf3 Rb5 24. Bf2 Nxc5 25. Nd4 Rxb1 26. Rxb1 Ra2 27. Qc1 Na4 28. f5 c5 29. Ra1 Qxe5 30. Rxa2 Bxa2 31. Qa3 cxd4 32. Qxa2 Nc3 33. Qd2 Bc5 34. fxe6 fxe6 35. Qc2 d3 36. exd3 Qxg3+ 37. Bg2 Bxf2+ 38. Qxf2 Qxd3 39. Qb6 Qd4+ 0-1

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.11"]
[Round "1"]
[White "Olland, Adolf Georg"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "87"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 e6 8. 0-0 Qc7 9. Re1 Ngf6 10. c3 Bd6 11. Nf5 Bxf5 12. Bxf5 0-0-0 13. Bh3 h6 14. g3 g5 15. Bg2 g4 16. Nd2 Nb6 17. a4 e5 18. Ne4 Nbd7 19. Nxd6+ Qxd6 20. Be3 Qe7 21. Qc2 exd4 22. Bxd4 Qd6 23. Rad1 c5 24. Be5 Qxe5 25. Rxe5 Nxe5 26. Qf5+ Ned7 27. b4 Rhe8 28. bxc5 Re5 29. Qb1 Nxc5 30. Rxd8+ Kxd8 31. Bxb7 Kc7 32. f4 Re6 33. Bg2 Nfe4 34. Bxe4 Rxe4 35. Qd1 Nxa4 36. Qd5 Re1+ 37. Kf2 Ra1 38. Qxf7+ Kb6 39. f5 Nc5 40. Qg6+ Kb5 41. f6 Ra6 42. Qb1+ Kc4 43. Qb4+ Kd5 44. Qd4+ 1-0

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.??"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Olland, Adolf Georg"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "86"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Be7 5. g3 0-0 6. Bg2 c5 7. 0-0 Nc6 8. cxd5 exd5 9. d4 Ne4 10. dxc5 Bxc5 11. Nc3 Nxc3 12. Bxc3 d4 13. Bb2 Bg4 14. Rc1 Qd6 15. Qc2 Ba3 16. Bxa3 Qxa3 17. Ng5 g6 18. Qe4 h5 19. Qd3 Rae8 20. Bd5 Bf5 21. Qd2 Qe7 22. Rfe1 Nb4 23. Bc4 Nc2 24. Rxc2 Bxc2 25. Nxf7 Rxf7 26. Qxc2 Kh7 27. Bxf7 Qxf7 28. Qd3 Qf6 29. Rd1 Qe5 30. Rd2 Qd5 31. e3 Re4 32. Rd1 Qf5 33. Kg2 dxe3 34. fxe3 Kh6 35. Qc3 Re8 36. Qd4 Qc2+ 37. Kg1 Rf8 38. e4 Qxa2 39. Qe3+ Kh7 40. e5 Qc2 41. Rc1 Qf5 42. Qxa7 Qxe5 43. Qxb7+ Kh6 1/2-1/2

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.??"]
[Round "6"]
[White "Davidson, Jacques"]
[Black "Olland, Adolf Georg"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "69"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 c5 4. Bg2 Nf6 5. 0-0 Nc6 6. cxd5 Nxd5 7. d4 Nf6 8. Ne5 Nxe5 9. dxe5 Qxd1 10. Rxd1 Nd7 11. Nc3 a6 12. f4 Rb8 13. Ne4 Be7 14. Be3 f5 15. Nd6+ Bxd6 16. Rxd6 Ke7 17. Rad1 g5 18. Bf2 Rg8 19. h3 Rg6 20. Kh2 b6 21. e4 Nf8 22. Bh1 gxf4 23. gxf4 Kf7 24. Bh4 Kg8 25. Bf6 Bb7 26. Rxb6 fxe4 27. b3 Kf7 28. h4 h5 29. Bg5 Rg7 30. Bxe4 Kg8 31. f5 exf5 32. Bd5+ Bxd5 33. Rxb8 Rd7 34. e6 Bxe6 35. Rxd7 1-0

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.??"]
[Round "3"]
[White "Olland, Adolf Georg"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "51"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Bd3 Nf6 8. 0-0 Bd6 9. Re1 0-0 10. c3 Qc7 11. Bg5 Nbd7 12. Bxg6 hxg6 13. Qe2 c5 14. Rad1 c4 15. Ne5 Bxe5 16. dxe5 Nd5 17. h4 b5 18. h5 gxh5 19. Nxh5 g6 20. Rxd5 exd5 21. Nf6+ Kg7 22. Nxd5 Qc5 23. Bf6+ Nxf6 24. exf6+ Kh6 25. Qe4 g5 26. Re3 1-0

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.??"]
[Round "5"]
[White "Olland, Adolf Georg"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "121"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 Bd6 8. 0-0 0-0 9. c3 Qc7 10. Qc2 b6 11. Ne4 Nxe4 12. Bxe4 Nf6 13. Bd3 h6 14. Re1 Bb7 15. Ne5 c5 16. Bd2 cxd4 17. cxd4 Qxc2 18. Bxc2 Rfd8 19. Rad1 Rac8 20. Bb3 Bd5 21. Bxd5 Nxd5 22. Rc1 Ne7 23. Nc4 Bc7 24. Be3 b5 25. Ne5 Bb6 26. Nf3 Rxc1 27. Rxc1 Nf5 28. Kf1 Kf8 29. Ke2 Ke8 30. Rd1 f6 31. g4 Ne7 32. Ne1 Rd5 33. Nc2 Nc6 34. f4 g5 35. fxg5 hxg5 36. Kf3 Ke7 37. Rd2 Kd6 38. a3 a5 39. b4 a4 40. Ke4 f5+ 41. gxf5 exf5+ 42. Kf3 g4+ 43. Kg3 Ke6 44. h4 Kf7 45. h5 Nd8 46. Bf4 Ne6 47. Be5 Bd8 48. Rf2 Rxe5 49. dxe5 Ng7 50. Rh2 Ne6 51. Rd2 Bg5 52. Rd7+ Kg8 53. Rd5 Nf4 54. Rxb5 Nxh5+ 55. Kg2 Nf4+ 56. Kf1 Ne6 57. Rb6 Kf7 58. Rd6 Bc1 59. b5 f4 60. b6 f3 61. Rxe6 1-0

[Event "Match Olland-Davidson"]
[Site "Utrecht"]
[Date "1927.09.??"]
[Round "9"]
[White "Olland, Adolf Georg"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "137"]
[EventDate "1927.10.??"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 e6 7. Nf3 Bd6 8. Bxd6 Qxd6 9. 0-0 0-0 10. Re1 b6 11. Nbd2 Bb7 12. Ne5 Nd7 13. Ndf3 f6 14. Nxc6 Bxc6 15. Qc2 f5 16. Re3 h6 17. Rae1 Rf6 18. Qe2 Nf8 19. Ne5 Be8 20. f4 Rc8 21. Bc2 Rc7 22. Bb3 g5 23. g3 Rg7 24. Kh1 Kh7 25. Qf3 g4 26. Qg2 h5 27. Bc2 Kg8 28. h4 Bb5 29. a4 Ba6 30. Qd2 Rc7 31. Ra1 Rh6 32. a5 Rhh7 33. axb6 Qxb6 34. Ba4 Rc8 35. b4 Bc4 36. Qe1 Rhc7 37. Ng6 Kf7 38. Ne5+ Kg8 39. Bc2 Bb5 40. Ra3 Nh7 41. Ng6 Kf7 42. Ne5+ Kg8 43. Nd3 Bxd3 44. Bxd3 Nf8 45. Bf1 Rc6 46. Ra6 Qb7 47. Qa1 R8c7 48. Ra3 Nd7 49. Ba6 Qb8 50. Qe1 Kf7 51. c4 dxc4 52. d5 exd5 53. Re7+ Kg6 54. Re8 Qb6 55. Rg8+ Kh7 56. Qe8 Qd4 57. Re3 Qd1+ 58. Kg2 Qd2+ 59. Kf1 Qd1+ 60. Kf2 Qd2+ 61. Re2 Qd4+ 62. Kg2 Nf8 63. Rxf8 Rxa6 64. Qxh5+ Rh6 65. Qxf5+ Kg7 66. Rg8+ Kxg8 67. Re8+ Kg7 68. Qf8+ Kg6 69. Re6+ 1-0

[Event "Match Euwe-Davidson +3-0=0"]
[Site "Amsterdam"]
[Date "1927.08.13"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "110"]
[EventDate "1927.08.06"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. 0-0 cxd4 6. Nxd4 e5 7. Nb3 Be7 8. Nc3 d4 9. Ne4 Nxe4 10. Bxe4 f5 11. Bg2 Nc6 12. e3 dxe3 13. Qxd8+ Nxd8 14. Bxe3 0-0 15. Bc5 Re8 16. Bxe7 Rxe7 17. Rad1 Be6 18. Bd5 Rc8 19. c3 Kf7 20. Rd2 Rd7 21. Rfd1 Rxd5 22. Rxd5 Bxd5 23. Rxd5 Ke6 24. Rd2 Nf7 25. Rd3 Nd6 26. Nd2 Rc6 27. Kf1 Ra6 28. a3 Rb6 29. b4 Rc6 30. Ke2 e4 31. Re3 g5 32. Kd1 Nc4 33. Nxc4 Rxc4 34. Kc2 Ke5 35. Re2 Rc6 36. f3 Ra6 37. Kb3 b5 38. Kb2 h5 39. Kb3 h4 40. Kb2 h3 41. Kb3 Rd6 42. Kc2 Rd3 43. fxe4 fxe4 44. Rf2 Rf3 45. Re2 Rf1 46. Kd2 Ra1 47. Ke3 Rxa3 48. Rc2 Ra1 49. c4 Ra3+ 50. Kf2 bxc4 51. Rxc4 Kf5 52. Rc5+ Kg4 53. Rc2 Rb3 54. Ra2 Rxb4 55. Ke3 a5 0-1

[Event "Match Euwe-Davidson +3-0=0"]
[Site "Amsterdam"]
[Date "1927.08.13"]
[Round "3"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "56"]
[EventDate "1927.08.06"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 g6 4. Nxc4 Bg7 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Be6 8. b3 c5 9. Bb2 Nc6 10. Rc1 Rc8 11. Qc2 Nb4 12. Qb1 b5 13. Ne3 Qa5 14. a3 Nbd5 15. Nxd5 Bxd5 16. Rxc5 Rxc5 17. b4 Qc7 18. bxc5 Qxc5 19. Rc1 Qd6 20. d3 Qa6 21. Rc7 e6 22. Qc2 Qa5 23. Nd2 Bxg2 24. Kxg2 Rd8 25. Bxf6 Bxf6 26. Ne4 Be5 27. Rc8 Rxc8 28. Qxc8+ Kg7 1-0

[Event "Match Euwe-Davidson +3-0=0"]
[Site "Amsterdam"]
[Date "1927.08.06"]
[Round "1"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "65"]
[EventDate "1927.08.06"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. b3 Bd6 6. Bb2 Nbd7 7. d4 0-0 8. 0-0 Qc7 9. Nc3 b6 10. Rc1 dxc4 11. bxc4 Bb7 12. e4 e5 13. d5 Rfd8 14. dxc6 Qxc6 15. Nd5 Re8 16. Nh4 Bf8 17. Kh1 Rad8 18. Qc2 g6 19. f4 Nxd5 20. exd5 Qd6 21. Qf2 exf4 22. gxf4 Bg7 23. Bxg7 Kxg7 24. f5 Qf6 25. Qg3 Qe5 26. fxg6 hxg6 27. Nf5+ Kh8 28. Nd6 Qxg3 29. hxg3 Ba6 30. Nxe8 Rxe8 31. Rxf7 Rd8 32. Bh3 Ne5 33. Re7 1-0

[Event "Amsterdam-ch m"]
[Site "Amsterdam"]
[Date "1927.07.03"]
[Round "3"]
[White "Davidson, Jacques"]
[Black "Van Hartingsvelt, Hendrik"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "109"]
[EventDate "1927.06.25"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. e3 Nd7 5. Nbd2 Ngf6 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Re8 12. Bg5 h6 13. Bh4 Be7 14. Qd3 Kf8 15. Ne5 Ng8 16. Qf3 Bf6 17. Rad1 Qe7 18. Rfe1 g5 19. Bg3 Bxe5 20. Bxe5 f6 21. c5 Kg7 22. Bd6 Qf7 23. Qd3 f5 24. Re3 Bd7 25. Qb3 Bc8 26. Rde1 Ne7 27. Bd3 Nd5 28. Re5 f4 29. Bc2 b5 30. Qd3 Nf6 31. R5e2 Bd7 32. Be5 Rh8 33. Bb3 Rhe8 34. Qh3 a5 35. g3 a4 36. Bc2 Rg8 37. gxf4 Rh8 38. Kh1 Rag8 39. fxg5 hxg5 40. Qf3 Rh6 41. Be4 g4 42. Qg2 Qe8 43. f3 Kf7 44. Rf1 g3 45. Bxg3 Nh5 46. Kg1 Rg7 47. f4 Qg8 48. Re3 Qh8 49. f5 e5 50. dxe5 Nxg3 51. Rxg3 Rxg3 52. Qxg3 Kf8 53. Bg2 Rh4 54. e6 Qd4+ 55. Kh1 1-0

[Event "Amsterdam-ch m"]
[Site "Amsterdam"]
[Date "1927.06.27"]
[Round "2"]
[White "Van Hartingsvelt, Hendrik"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D43"]
[PlyCount "86"]
[EventDate "1927.06.25"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. c5 b6 6. b4 a5 7. Qa4 Bb7 8. e3 Qc7 9. Rb1 axb4 10. Qxb4 Nbd7 11. Qb3 Be7 12. Bd3 Bd8 13. a4 Ba6 14. cxb6 Qxb6 15. Qc2 Bxd3 16. Qxd3 Qa6 17. Qxa6 Rxa6 18. 0-0 0-0 19. Bd2 Ba5 20. Rfc1 Bxc3 21. Rxc3 Ne4 22. Ra3 Rfa8 23. Rb7 Nxd2 24. Nxd2 Nf8 25. Rb4 Nd7 26. Nb3 Kf8 27. Rb7 R6a7 28. Rxa7 Rxa7 29. Kf1 Ke7 30. Ke2 Kd6 31. Kd3 c5 32. dxc5+ Nxc5+ 33. Nxc5 Kxc5 34. Kc3 e5 35. Ra1 f5 36. f4 d4+ 37. exd4+ exd4+ 38. Kd3 Kd5 39. a5 Rc7 40. a6 Ra7 41. Ra5+ Kc6 42. Kxd4 Kd6 43. Ra2 g6 1-0

[Event "Amsterdam-ch m"]
[Site "Amsterdam"]
[Date "1927.06.25"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Van Hartingsvelt, Hendrik"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "87"]
[EventDate "1927.06.25"]
[EventType "match"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 d5 8. Ne5 Nbd7 9. Bf4 Ne4 10. Nxe4 dxe4 11. Qc2 f5 12. Rad1 c6 13. f3 g5 14. Nxd7 Qxd7 15. Be5 exf3 16. Bxf3 Bd6 17. Bxd6 Qxd6 18. e4 f4 19. g4 Rfd8 20. e5 Qc7 21. Qe4 Rab8 22. h4 c5 23. d5 Qg7 24. hxg5 Qxg5 25. Rf2 h5 26. Rh2 h4 27. Qe1 Kg7 28. Qxh4 Qxh4 29. Rxh4 Rh8 30. Rxh8 Rxh8 31. Kg2 Rd8 32. d6 Ba6 33. b3 Bc8 34. Bc6 Bd7 35. Bxd7 Rxd7 36. Kf3 Kg6 37. Kxf4 Rf7+ 38. Ke4 Rf8 39. d7 Rd8 40. Rd6 Kf7 41. g5 Ke7 42. g6 Kf8 43. Kf4 Kg7 44. Kg5 1-0

[Event "Utrecht Van der Eerden Memorial"]
[Site "Utrecht"]
[Date "1927.05.21"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "A50"]
[PlyCount "57"]
[EventDate "1927.05.21"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Bg7 6. c4 0-0 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. dxe5 dxe5 11. h3 c6 12. Be3 Qc7 13. Rad1 Rfd8 14. Rd2 Nf8 15. Rfd1 Rxd2 16. Rxd2 Ne6 17. Ng5 Nxg5 18. Bxg5 Rd8 19. Qd1 Rxd2 20. Qxd2 Nd7 21. Be7 Nf8 22. Qd6 Qxd6 23. Bxd6 Ne6 24. Bb8 a6 25. a4 Nd4 26. Ba7 b5 27. axb5 axb5 28. cxb5 cxb5 29. Nd5 1/2-1/2

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1927.02.13"]
[Round "4.2"]
[White "Davidson, Jacques"]
[Black "Kroone, Gerard"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "93"]
[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 "Amsterdam ASC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. e3 Bd6 5. Nc3 c6 6. Qc2 0-0 7. Bd2 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. 0-0 Nf8 11. h3 Ng6 12. Rfe1 Bb4 13. Ng5 Nh5 14. f4 Ng3 15. Kh2 Bd6 16. Nf3 Nh5 17. Ne2 Nh4 18. Ne5 Bxe5 19. dxe5 g6 20. Rf1 Ng7 21. Rad1 Nhf5 22. e4 dxe4 23. Bxe4 Qb6 24. Rf3 Be6 25. b3 Red8 26. Bc1 Bd5 27. Bxd5 Rxd5 28. Rxd5 cxd5 29. Qd3 Rd8 30. Bb2 Ne6 31. Ng3 Nxg3 32. Kxg3 Nc5 33. Qe2 Ne4+ 34. Kh2 Qb4 35. Rd3 Qa5 36. Bd4 Nc5 37. Bxc5 Qxc5 38. Qf3 b6 39. f5 d4 40. Qf4 Rd5 41. fxg6 hxg6 42. e6 f5 43. Rg3 Qd6 44. Qh6 g5 45. Qxg5+ Kf8 46. Qg8+ Ke7 47. Qf7+ 1-0

[Event "London"]
[Site "Manta"]
[Date "1927.??.??"]
[Round "?"]
[White "Davidson, Jacques"]
[Black "Michell, Reginald Pryce"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "81"]
[EventDate "1927.??.??"]
[EventType "game"]
[EventCountry "ENG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[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 Na5 9. Bc2 c5 10. d3 Nc6 11. Nbd2 Qc7 12. Nf1 0-0 13. Ng3 Re8 14. h3 h6 15. Nh4 Bf8 16. Qf3 Kh7 17. Nhf5 Ng8 18. a4 Rb8 19. axb5 axb5 20. Qe2 g6 21. Ne3 Be6 22. Rf1 Bg7 23. f4 exf4 24. Rxf4 Be5 25. Rf3 d5 26. exd5 Bxg3 27. dxe6 Rxe6 28. Qf1 f5 29. Bd2 Bh2+ 30. Kh1 Ne5 31. Rxf5 gxf5 32. Qxf5+ Rg6 33. d4 Ne7 34. Qh5 cxd4 35. cxd4 Nc4 36. Nd5 Qd6 37. Qxh6+ Kg8 38. Nxe7+ Kf7 39. Bxg6+ Kxe7 40. Ra7+ Ke6 41. Be4# 1-0

[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 "1.2"]
[White "Davidson, Jacques"]
[Black "Nebel, Max"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "83"]
[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. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 g6 5. cxd5 cxd5 6. Nc3 Nc6 7. Bb5 Bg7 8. Ne5 Bd7 9. Nxd7 Qxd7 10. 0-0 0-0 11. Bd2 Rac8 12. Rc1 Qf5 13. Qe2 Rfe8 14. Rfd1 e5 15. dxe5 Rxe5 16. Be1 Qe6 17. Ba4 Rh5 18. Bb3 Ne7 19. h3 Re5 20. Qd3 Rd8 21. Nb5 Qb6 22. Bc3 Rh5 23. Bd4 Qa6 24. Nxa7 Qxd3 25. Rxd3 Ne4 26. Rc7 Bxd4 27. Rxd4 Re8 28. Rxb7 Nc5 29. Rb5 Nxb3 30. Rxb3 Re5 31. Rdb4 Kg7 32. Rb8 Rxb8 33. Rxb8 d4 34. exd4 Ra5 35. Rb7 Nf5 36. a3 Nxd4 37. g3 g5 38. Nc8 Rf5 39. Nd6 Rf3 40. Kg2 h6 41. Rb4 Rd3 42. Rxd4 1-0

[Event "NED Team-ch 1926/27"]
[Site "Netherlands"]
[Date "1926.11.07"]
[Round "1.2"]
[White "Davidson, Jacques"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "58"]
[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 "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 c5 7. Be3 cxd4 8. Nxd4 b6 9. Be2 Bb7 10. Bf3 Nbd7 11. Qc2 Ne5 12. Be2 Rc8 13. b3 a6 14. 0-0 b5 15. f4 Ned7 16. Bd3 bxc4 17. bxc4 Nb6 18. Qe2 Nxc4 19. Bxc4 Qc7 20. Nd5 Qxc4 21. Nxe7+ Kh8 22. Nxc8 Qxe2 23. Nxe2 Rxc8 24. Rac1 Re8 25. e5 dxe5 26. f5 gxf5 27. Rxf5 Be4 28. Rf2 Nd5 29. Bd2 Bg6 1/2-1/2

[Event "Match/Club Amsterdam VAS-Bremer SG 4-4"]
[Site "Groningen"]
[Date "1926.10.10"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Hilse, Wilhelm Heinrich"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "96"]
[EventDate "1926.10.09"]
[EventType "team"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Amsterdam VAS"]
[BlackTeam "Bremer SG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 c6 3. e3 Bg4 4. c4 Bxf3 5. Qxf3 e6 6. Nc3 Nf6 7. Bd3 Be7 8. 0-0 Nbd7 9. e4 dxc4 10. Bxc4 Nb6 11. Qd3 Nxc4 12. Qxc4 0-0 13. Be3 Rc8 14. Rad1 Qa5 15. f3 Rfd8 16. Qb3 Rd7 17. Bf2 Rcd8 18. Na4 Qb5 19. Qc2 h6 20. b3 Qa5 21. Nb2 Qh5 22. Nd3 Nh7 23. f4 Bd6 24. e5 Be7 25. Be3 Rd5 26. Nf2 Qf5 27. Qc3 h5 28. Rde1 Nf8 29. h3 Bh4 30. Re2 Bxf2+ 31. Rexf2 Ng6 32. Qc2 Ne7 33. Qe2 Qg6 34. g4 Nf5 35. Rg2 hxg4 36. hxg4 Nxd4 37. Bxd4 Rxd4 38. f5 Qg5 39. fxe6 fxe6 40. Qf3 Qg6 41. g5 Rd2 42. Qf4 R8d4 43. Qf3 Rxg2+ 44. Qxg2 Qh5 45. Rf3 Rd1+ 46. Rf1 Rxf1+ 47. Qxf1 Qxg5+ 48. Kh1 Qxe5 0-1

[Event "Amsterdam VAS Zeskamp 1926/27"]
[Site "Amsterdam"]
[Date "1926.10.??"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "D77"]
[PlyCount "47"]
[EventDate "1926.10.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Ne5 Ne8 8. Na3 c5 9. e3 cxd4 10. exd4 Nc6 11. Nxc6 bxc6 12. Be3 Rb8 13. Nxc4 Ba6 14. Rc1 Nd6 15. b3 Nf5 16. Bxc6 Nxd4 17. Bg2 Bb7 18. Bxb7 Rxb7 19. Bxd4 Bxd4 20. Qe2 Qd5 21. Rfe1 Rd8 22. Qe4 Rc7 23. Qxd5 Rxd5 24. Kg2 1/2-1/2

[Event "Amsterdam VAS Zeskamp 1926/27"]
[Site "Amsterdam"]
[Date "1926.10.??"]
[Round "2"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "85"]
[EventDate "1926.10.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. b3 0-0 7. Bb2 d6 8. d4 Nbd7 9. Nbd2 c5 10. Qc2 Qc7 11. e4 Rfd8 12. e5 Ne8 13. Ne4 Nf8 14. Rfe1 a6 15. dxc5 dxc5 16. Rad1 Rxd1 17. Rxd1 Rd8 18. Rxd8 Qxd8 19. Nfd2 Qd7 20. Nf1 Bc6 21. Ne3 h6 22. h4 Nh7 23. Ng4 Qb7 24. Qd3 Qd7 25. Qf3 Bxe4 26. Qxe4 Qd2 27. Qb1 Nf8 28. Qc1 Qxc1+ 29. Bxc1 Nc7 30. Bc6 Bd8 31. h5 Nh7 32. Kg2 f5 33. exf6 Nxf6 34. Nxf6+ Bxf6 35. Bf4 e5 36. Be3 a5 37. Kf3 Kf7 38. Ke4 Ne6 39. Bd5 Ke7 40. Bxe6 Kxe6 41. Bd2 Be7 42. Bc3 Bd6 43. g4 1-0

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.11"]
[Round "10"]
[White "Davidson, Jacques"]
[Black "Lenglez, Marcel"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "38"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 g6 5. Bb2 Bg7 6. Nc3 0-0 7. d4 c6 8. Bd3 Nbd7 9. Qe2 a6 10. 0-0-0 c5 11. Ne5 Qc7 12. Qf3 b5 13. g4 c4 14. bxc4 bxc4 15. Be2 Rb8 16. g5 Ne4 17. Nxe4 dxe4 18. Qxe4 c3 19. Ba3 Qb6 0-1

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.09"]
[Round "8"]
[White "Davidson, Jacques"]
[Black "Koltanowski, George"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "55"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d6 8. Qc2 Nbd7 9. e4 Ne8 10. Be3 f5 11. exf5 exf5 12. d5 Ne5 13. Nd4 Bc8 14. Nce2 g5 15. f4 gxf4 16. Bxf4 Ng7 17. Bh6 Bg5 18. Bxg7 Kxg7 19. Nf4 Bxf4 20. Rxf4 Qg5 21. Raf1 Bd7 22. Bh3 Ng4 23. Qc3 Kg8 24. Ne6 Bxe6 25. dxe6 Rae8 26. e7 Rxe7 27. Bxg4 Re5 28. Qd3 1-0

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.08"]
[Round "7"]
[White "Thomas, George Alan"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "104"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. h3 Bh5 8. Nbd2 e6 9. Qa4 Nd7 10. 0-0 Bd6 11. Re1 0-0 12. Qc2 Bg6 13. Bxg6 hxg6 14. Nf1 Rc8 15. Ne3 Nf6 16. Qd3 Qd7 17. Ng4 Ne4 18. Nfe5 Bxe5 19. dxe5 Qe7 20. Be3 a6 21. Bf4 Rfd8 22. f3 Nc5 23. Qd2 Qf8 24. Bg5 Rd7 25. b4 Na4 26. Rac1 Ne7 27. c4 d4 28. Re4 Nf5 29. Ne3 Nb6 30. Nxf5 gxf5 31. Rxd4 Rxd4 32. Qxd4 Qxb4 33. Kh2 Qc5 34. Qf4 Nd7 35. Rb1 b6 36. Re1 Qxc4 37. Qg3 Qb4 38. Bh6 Qf8 39. f4 Nc5 40. Rc1 Rd8 41. Bg5 Ne4 42. Qb3 Rd2 43. Rc6 b5 44. Rxa6 Qc5 45. Qf3 g6 46. Ra8+ Kh7 47. Qxe4 fxe4 48. Bf6 g5 49. f5 Rxg2+ 50. Kxg2 Qc2+ 51. Kg3 Qd3+ 52. Kh2 Qe2+ 1/2-1/2

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.06"]
[Round "5"]
[White "Romi, Massimiliano"]
[Black "Davidson, Jacques"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "100"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 Qc7 10. 0-0 e6 11. h3 Bh5 12. Re1 Bd6 13. Bg5 0-0-0 14. Be2 h6 15. Be3 Nd5 16. Nd2 Bxe2 17. Qxe2 g5 18. Nc4 Rdg8 19. Qh5 Rg6 20. Rad1 Rhg8 21. Kh1 f5 22. Bc1 Nf6 23. Qe2 Ne4 24. g4 Bg3 25. Be3 f4 26. Qf3 fxe3 27. Qxe4 Bxf2 28. Re2 Qf4 29. Qg2 h5 30. Rf1 hxg4 31. Nxe3 g3 32. Nd1 Qh4 33. Nxf2 gxf2 34. Rexf2 g4 35. Rf8+ Rxf8 36. Rxf8+ Kc7 37. Rf4 Qxh3+ 38. Qxh3 gxh3 39. Rf7+ Kb6 40. Rf2 c5 41. dxc5+ Kxc5 42. Kh2 Rg2+ 43. Rxg2 hxg2 44. Kxg2 Kc4 45. Kf3 Kd3 46. Kf4 Kc2 47. Ke5 Kxb2 48. Kxe6 Kxa2 49. Kd6 Kb3 50. Kc7 a5 0-1

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.05"]
[Round "4"]
[White "Davidson, Jacques"]
[Black "Soultanbeieff, Victor Ivanovich"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "92"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nxc3 7. bxc3 e5 8. 0-0 Be7 9. d3 0-0 10. Rb1 Qc7 11. Qc2 Bf5 12. Nd2 Rab8 13. Qa4 Bd7 14. Ba3 Kh8 15. Qc2 f5 16. Nf3 b5 17. Bc1 Be6 18. Bd2 Rfd8 19. Bg5 c4 20. Bxe7 Nxe7 21. d4 e4 22. Ne5 b4 23. e3 a5 24. cxb4 axb4 25. Rfc1 c3 26. Qa4 Nd5 27. Bf1 Ra8 28. Qc6 Qe7 29. Bc4 Ra5 30. Bxd5 Bxd5 31. Qb6 Ra4 32. Qb5 Rxa2 33. Qxb4 Qxb4 34. Rxb4 Rb2 35. Ra4 c2 36. Kg2 Rc8 37. Raa1 Ba2 38. Rxa2 Rxa2 39. Kf1 Kg8 40. Ke2 Rb8 41. Kd2 Rb1 42. f3 Rxc1 43. Kxc1 exf3 44. Nxf3 Ra3 45. Kxc2 Rxe3 46. Nh4 g6 0-1

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.04"]
[Round "3"]
[White "Sapira, Emmanuel"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "67"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bd2 f5 12. Bc2 e5 13. dxe5 Nxe5 14. Bc3 Nxf3+ 15. Qxf3 Qc7 16. h3 Be6 17. Rfe1 Bxc4 18. Bxf5 Qf7 19. Qg4 h5 20. Qg5 Bd5 21. Re4 Bc5 22. Re6 Bxf2+ 23. Kh1 Bh4 24. Qxh4 Bxe6 25. Bxe6 Qxe6 26. Re1 Qf5 27. Re3 Qf1+ 28. Kh2 Rf7 29. Qxh5 Qf4+ 30. Rg3 Re8 31. Bxg7 Rxg7 32. Qxe8+ Kh7 33. Qe3 Qxe3 34. Rxe3 1-0

[Event "Spa Int Masters"]
[Site "Spa"]
[Date "1926.09.03"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Tartakower, Saviely"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "77"]
[EventDate "1926.09.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Be2 Bb7 11. 0-0 Nd7 12. Rc1 c5 13. Qa4 cxd4 14. Qxd4 Nf5 15. Qf4 g5 16. Qb4 a5 17. Qb3 Nc5 18. Qc2 Re8 19. Qb1 Qf6 20. Rfd1 Red8 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Qxd1 Ne4 24. Nxe4 Bxe4 25. Qb3 Qd8 26. Qc3 Bxf3 27. Bxf3 Nh4 28. a3 Nxf3+ 29. gxf3 g4 30. fxg4 Qd1+ 31. Kg2 Qxg4+ 32. Kf1 Qd1+ 33. Kg2 Qg4+ 34. Kf1 Qf3 35. Qe5 Kh7 36. Qc7 h5 37. Qxb6 Qd1+ 38. Kg2 Qg4+ 39. Kf1 1/2-1/2

[Event "Match Euwe-Davidson +3-0=2"]
[Site "Amsterdam"]
[Date "1926.09.??"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "56"]
[EventDate "1926.09.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bg5 Bg7 5. e3 0-0 6. Bd3 c6 7. 0-0 Qb6 8. Rb1 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. Bf4 Rfe8 12. Qd1 e5 13. Bxe5 Nxe5 14. dxe5 Rxe5 15. Ne2 Ne4 16. Bxe4 Rxe4 17. c3 Rae8 18. Qc2 h5 19. Rbd1 h4 20. Nd4 Qc7 21. Nf3 Qe7 22. Qe2 Bf6 23. a3 Kg7 24. Rfe1 Qc5 25. Qc2 Bd8 26. Rd4 Rxd4 27. exd4 Rxe1+ 28. Nxe1 Qe7 1/2-1/2

[Event "Match Euwe-Davidson +3-0=2"]
[Site "Amsterdam"]
[Date "1926.09.??"]
[Round "4"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "64"]
[EventDate "1926.09.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 Nh6 6. d4 cxd4 7. Bxh6 Bxh6 8. Nxd4 Bg7 9. Nxc6 dxc6 10. Qb3 0-0 11. Nc3 Qc7 12. a4 Qb6 13. Qa3 Be6 14. c5 Qb3 15. a5 Qxa3 16. Rxa3 Bc4 17. b4 a6 18. Bf3 Rad8 19. Rc1 Rd7 20. Nd1 Be6 21. Rb1 Rfd8 22. Ne3 Rd2 23. b5 Rb2 24. Rxb2 Bxb2 25. Rd3 Rxd3 26. exd3 axb5 27. a6 bxa6 28. Bxc6 Bd4 29. Bb7 Bxc5 30. Bxa6 Bxe3 31. fxe3 b4 32. d4 Bf5 0-1

[Event "Match Euwe-Davidson +3-0=2"]
[Site "Amsterdam"]
[Date "1926.09.??"]
[Round "1"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "84"]
[EventDate "1926.09.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nf3 Bc5 5. e3 0-0 6. 0-0 d5 7. d4 exd4 8. exd4 Be7 9. Ne5 Nb8 10. Nc3 dxc4 11. d5 Nbd7 12. Nxc4 Nb6 13. Ne3 a6 14. b3 Bc5 15. Bb2 Re8 16. Qf3 Qd6 17. Rae1 Re7 18. a4 Ba3 19. Bxa3 Qxa3 20. Nc2 Qd6 21. Rxe7 Qxe7 22. Re1 Qd8 23. a5 Nbd7 24. Ne3 Ne5 25. Qe2 Rb8 26. f4 Ng6 27. Nc4 Bf5 28. h3 Qf8 29. Ne3 Re8 30. Qc4 Qe7 31. Nc2 Qd7 32. Rxe8+ Nxe8 33. Qe2 Nf6 34. Kh2 Bxc2 35. Qxc2 h6 36. Qe2 Qd6 37. Qc4 h5 38. Ne4 Nxe4 39. Qxe4 h4 40. Qe8+ Nf8 41. Qe5 hxg3+ 42. Kxg3 Qd8 1/2-1/2

[Event "Match Euwe-Davidson +3-0=2"]
[Site "Amsterdam"]
[Date "1926.09.??"]
[Round "3"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "97"]
[EventDate "1926.09.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. 0-0 Nbd7 7. Qe2 Be7 8. Ba6 Bxa6 9. Qxa6 0-0 10. b3 c5 11. Bb2 cxd4 12. exd4 Qc7 13. Rac1 Qf4 14. Qe2 Rac8 15. Ne5 Nxe5 16. dxe5 Nd7 17. c4 dxc4 18. Rxc4 Rxc4 19. Nxc4 Nc5 20. Rd1 Rd8 21. Rxd8+ Bxd8 22. Nd6 Be7 23. g3 Qb4 24. Qf3 f5 25. Bc3 Qa3 26. Qa8+ Bf8 27. Qe8 h6 28. Bd4 Qxa2 29. Qf7+ Kh7 30. Qxf8 Qe2 31. Bxc5 bxc5 32. Qa8 Qxe5 33. Ne8 Qe1+ 34. Kg2 Qe5 35. Qc6 Qd5+ 36. Qxd5 exd5 37. Kf3 c4 38. b4 d4 39. Nd6 c3 40. Ke2 Kg6 41. Kd3 a6 42. Nb7 Kf6 43. Nc5 Ke5 44. Nxa6 Kd5 45. Nc5 g5 46. Nb3 c2 47. Kxc2 Kc4 48. b5 d3+ 49. Kd2 1-0

[Event "Match Euwe-Davidson +3-0=2"]
[Site "Amsterdam"]
[Date "1926.09.??"]
[Round "5"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "81"]
[EventDate "1926.09.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 cxd4 6. exd4 Nc6 7. 0-0 Be7 8. Bb2 0-0 9. a3 b6 10. Nbd2 Bb7 11. Qe2 Rc8 12. Ne5 Nxe5 13. dxe5 Nd7 14. c4 dxc4 15. Nxc4 Nc5 16. Bc2 Bd5 17. Rfd1 Qc7 18. Rd4 g6 19. Rc1 Qb8 20. Rcd1 Rfd8 21. b4 Bxc4 22. Rxc4 Rxd1+ 23. Bxd1 Nd7 24. f4 Rxc4 25. Qxc4 Qd8 26. Bf3 Nb8 27. Bd4 Kg7 28. g3 h5 29. Kg2 Kf8 30. Be3 Kg7 31. a4 a5 32. bxa5 bxa5 33. Kh3 Bb4 34. f5 exf5 35. e6 g5 36. Bxh5 f6 37. Qb5 Qh8 38. Qb7+ Kh6 39. Qf7 Qg7 40. Qe8 Nc6 41. Bf3 1-0

[Event "Amsterdam VAS Paaswedstrijd"]
[Site "Amsterdam"]
[Date "1926.04.18"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "59"]
[EventDate "1927.04.18"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b5 3. e3 a6 4. c4 bxc4 5. Bxc4 e6 6. 0-0 Be7 7. Nc3 d5 8. Bd3 c5 9. b3 0-0 10. Bb2 Bb7 11. Qe2 Nbd7 12. Rac1 Qa5 13. Ne5 cxd4 14. exd4 Ba3 15. Na4 Bxb2 16. Qxb2 Rfc8 17. Nxd7 Nxd7 18. Nc5 Nxc5 19. dxc5 Bc6 20. b4 Qd8 21. Qd4 Rcb8 22. Rb1 Bb5 23. f4 a5 24. a3 Bxd3 25. Qxd3 axb4 26. axb4 Ra2 27. Qd4 Qe8 28. Rf2 Ra4 29. Rc2 Qc6 30. h3 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.29"]
[Round "17"]
[White "Davidson, Jacques"]
[Black "Vidmar, Milan Sr"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "124"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[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 e6 5. Bd3 Bd6 6. 0-0 0-0 7. Nbd2 c5 8. b3 Nc6 9. Bb2 Qe7 10. Rc1 cxd4 11. Nxd4 Rd8 12. Nxc6 bxc6 13. cxd5 cxd5 14. Qe2 e5 15. h3 a5 16. Bb5 Rb8 17. Rfd1 Qb7 18. Bc6 Qb6 19. Nf3 Ba6 20. Qe1 Rbc8 21. Nxe5 Bxe5 22. Bxe5 Rxc6 23. Bd4 Qb7 24. Rxc6 Qxc6 25. Qxa5 Rc8 26. Bxf6 Qxf6 27. Qxd5 g6 28. Qd6 Qxd6 29. Rxd6 Rc1+ 30. Kh2 Bb7 31. a4 Ra1 32. Rb6 Be4 33. Rb5 Bd3 34. Rb8+ Kg7 35. Kg3 Ra3 36. Kf4 Bc2 37. b4 Rxa4 38. h4 Ra7 39. e4 Rd7 40. f3 f5 41. exf5 Bxf5 42. g4 Bc2 43. g5 Bd1 44. Kg3 Rd3 45. Rb7+ Kg8 46. Rb8+ Kf7 47. Rb7+ Ke6 48. Rxh7 Rxf3+ 49. Kg2 Rb3 50. Ra7 Bh5 51. Ra5 Rxb4 52. Kg3 Rg4+ 53. Kh3 Rd4 54. Kg3 Rd5 55. Ra3 Kf5 56. Re3 Rd4 57. Ra3 Ke4 58. Ra7 Rd3+ 59. Kf2 Kf5 60. Kg2 Re3 61. Kf2 Rf3+ 62. Kg2 Kg4 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.28"]
[Round "16"]
[White "Tarrasch, Siegbert"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "57"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 0-0 5. Bg5 h6 6. Bf4 d6 7. Qd2 Kh7 8. 0-0-0 a5 9. Bd3 Na6 10. e5 Ng8 11. h4 Nb4 12. h5 Nxd3+ 13. Qxd3 Bf5 14. hxg6+ fxg6 15. Qe3 h5 16. Ng5+ Kh8 17. f3 Nh6 18. g4 Bxg4 19. fxg4 Nxg4 20. Rxh5+ Kg8 21. Qh3 gxh5 22. Qxh5 Nh6 23. Qg6 Rxf4 24. Qh7+ Kf8 25. Ne6+ Kf7 26. Nxd8+ Rxd8 27. e6+ Kf8 28. Nd5 Rf2 29. Rg1 1-0

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.27"]
[Round "15"]
[White "Davidson, Jacques"]
[Black "Gruenfeld, Ernst"]
[Result "0-1"]
[ECO "D28"]
[PlyCount "92"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. Qe2 cxd4 8. exd4 Be7 9. Nc3 b5 10. Bd3 Bb7 11. Ne5 b4 12. Na4 Nc6 13. Rd1 Nxd4 14. Qe3 Qd5 15. Bf1 Rd8 16. b3 Ne2+ 17. Qxe2 Qxd1 18. Qc4 Rc8 19. Qf4 g5 20. Qd2 Qxd2 21. Bxd2 Ne4 22. Be3 0-0 23. Nc4 Nc3 24. Nxc3 bxc3 25. Bd4 c2 26. Rc1 Rfd8 27. Bb6 Rd1 28. Rxc2 Be4 29. Rd2 Rxd2 30. Nxd2 Bd5 31. Nc4 Bc5 32. Ba5 Bd4 33. Bd3 Kg7 34. Kf1 f5 35. Bd2 Kf6 36. f3 h5 37. Ke2 g4 38. fxg4 hxg4 39. Be3 Bxe3 40. Nxe3 Bb7 41. Kf2 Rd8 42. Bc2 f4 43. Nc4 Rh8 44. Kg1 Bd5 45. Bd3 Bxc4 46. Bxc4 a5 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.25"]
[Round "14"]
[White "Michel, Walter"]
[Black "Davidson, Jacques"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "106"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. h3 Ne8 11. Be3 b6 12. Nd2 f5 13. exf5 Bxf5 14. Nde4 Nf6 15. f3 Qe7 16. g4 Nfxe4 17. fxe4 Bd7 18. Qd2 Qh4 19. Kg2 h6 20. Rf2 Rxf2+ 21. Bxf2 Qe7 22. Be3 Kh7 23. Rf1 Rg8 24. Bd1 Be8 25. b3 g5 26. a3 Nd7 27. Ne2 Nf8 28. Ng3 Ng6 29. Nf5 Qd7 30. Bc2 Nf4+ 31. Kg3 Bf6 32. b4 axb4 33. axb4 Bg6 34. Ra1 Bxf5 35. exf5 b5 36. c5 dxc5 37. Bxc5 Qxd5 38. Qxd5 Nxd5 39. Ra7 Rg7 40. Be4 Nc3 41. Kf3 Rd7 42. Ra6 Kg7 43. Bf8+ Kf7 44. Bxh6 Nxe4 45. Kxe4 Rd4+ 46. Ke3 Rxb4 47. Rc6 Rc4 48. Rxc4 bxc4 49. h4 gxh4 50. g5 h3 51. Kf3 Bg7 52. g6+ Kf6 53. Be3 Kxf5 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.24"]
[Round "13"]
[White "Davidson, Jacques"]
[Black "Janowski, Dawid Markelowicz"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "60"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. c3 e6 5. Bg2 Nc6 6. 0-0 Bd6 7. Nbd2 0-0 8. dxc5 Bxc5 9. Qc2 b6 10. e4 Ba6 11. c4 dxc4 12. Nxc4 Nb4 13. Qb3 Rc8 14. Nfe5 Ng4 15. Nxg4 Bxc4 16. Qf3 Bxf1 17. Bxf1 Nc2 18. Rb1 Nd4 19. Qd1 f5 20. exf5 exf5 21. Bc4+ Kh8 22. Ne5 Qe8 23. Nf7+ Rxf7 24. Bxf7 Qxf7 25. b4 Qd5 26. Bb2 Nf3+ 27. Kh1 Qe4 28. Rc1 Nh4+ 29. f3 Nxf3 30. Bxg7+ Kxg7 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.22"]
[Round "12"]
[White "Rubinstein, Akiba"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "121"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 Be7 4. Bd3 d6 5. b3 0-0 6. Bb2 b6 7. Nbd2 Bb7 8. 0-0 Nbd7 9. Qe2 Re8 10. e4 Bf8 11. Rad1 Qe7 12. Ne1 e5 13. d5 g6 14. c4 Bg7 15. g3 Nc5 16. Bc2 a5 17. Ng2 Bc8 18. Rde1 Bh3 19. f4 exf4 20. gxf4 Bg4 21. Qf2 Bd7 22. Bc1 Nh5 23. e5 dxe5 24. fxe5 Bxe5 25. Rxe5 Qxe5 26. Qxf7+ Kh8 27. Nf3 Qg7 28. Ng5 Rf8 29. Bb2 Rxf7 30. Nxf7+ Kg8 31. Bxg7 Kxg7 32. Ng5 Nf6 33. a3 Re8 34. b4 axb4 35. axb4 Na6 36. Rb1 Re2 37. Bd3 Rd2 38. Nf4 Kh6 39. Nf7+ Kg7 40. Ne5 Bc8 41. Ne6+ Bxe6 42. dxe6 Kf8 43. c5 Nb8 44. Bc4 Rd4 45. cxb6 cxb6 46. Ra1 Re4 47. Ra8 Rxe5 48. Rxb8+ Ke7 49. Rxb6 Nd5 50. Rb5 Kxe6 51. Rxd5 Rxd5 52. Kf2 Kd6 53. Bxd5 Kxd5 54. Kf3 Kc4 55. Kf4 Kxb4 56. Kg5 Kc5 57. Kh6 Kd6 58. Kxh7 g5 59. Kg6 g4 60. Kg5 Ke7 61. Kxg4 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.21"]
[Round "11"]
[White "Davidson, Jacques"]
[Black "Yates, Frederick Dewhurst"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "62"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nc6 6. h3 0-0 7. Be3 Nd7 8. Qd2 e5 9. d5 Ncb8 10. 0-0-0 a5 11. Bd3 Na6 12. g4 Ndc5 13. Bb1 Bd7 14. Bh6 Nb4 15. Bxg7 Kxg7 16. Qe3 Rb8 17. Nxe5 Ba4 18. Nxa4 Nxa4 19. Nd3 b5 20. Nxb4 axb4 21. Bd3 Qf6 22. Rd2 b3 23. axb3 Nc5 24. g5 Qe7 25. Bc2 Ra8 26. Re1 Ra1+ 27. Bb1 bxc4 28. bxc4 Rb8 29. Rdd1 Qe5 30. Re2 Rb4 31. f3 Rxc4+ 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.20"]
[Round "10"]
[White "Vajda, Arpad"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "60"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 e5 7. dxe5 Nxe5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. Nf3 Nxf3+ 11. Qxf3 Bc5 12. 0-0 0-0 13. Nd2 Bb6 14. Nb3 Rfe8 15. Bg5 Ne4 16. Be3 Bc7 17. Bf4 Bb6 18. Rad1 Qa4 19. Rxd5 Qxa2 20. Re5 Rxe5 21. Bxe5 Qxb3 22. Qxe4 f6 23. Bd4 Bxd4 24. cxd4 Rd8 25. Rc1 Qb6 26. Rc5 h6 27. Qe7 Qd6 28. Qxb7 Qxd4 29. Rc7 f5 30. Qb3+ Kh7 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.18"]
[Round "9"]
[White "Treybal, Karel"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "53"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Nf3 Qc7 8. Qe2 Bd6 9. 0-0 0-0 10. Re1 b6 11. Nbd2 Bb7 12. Ne5 Ne7 13. Ng4 Ng6 14. Nxf6+ gxf6 15. Qh5 Rae8 16. Nf3 Bf4 17. Bxf4 Qxf4 18. g3 Qc7 19. Qh6 e5 20. Nh4 Bc8 21. Bf5 e4 22. Re3 Rd8 23. Rae1 Rfe8 24. Kh2 Qd6 25. f3 Be6 26. fxe4 Qd7 27. Bxe6 1-0

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.17"]
[Round "8"]
[White "Davidson, Jacques"]
[Black "Rosselli del Turco, Stefano"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "85"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[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. cxd5 cxd5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Nc3 Nc6 9. Ne5 Be6 10. Nxc6 bxc6 11. h3 Qc8 12. Kh2 Ne8 13. Bf4 Nd6 14. Rc1 Qa6 15. e3 f6 16. Na4 Bf7 17. Bxd6 exd6 18. b3 f5 19. Qd2 Rac8 20. Rc2 Rc7 21. Qb4 Rd8 22. Rfc1 Qc8 23. Qa5 Qd7 24. b4 Rb8 25. a3 g5 26. Qa6 Rbc8 27. b5 cxb5 28. Qxc8+ Rxc8 29. Rxc8+ Bf8 30. R1c7 Qe6 31. Nc3 Qh6 32. Rxa7 f4 33. Raa8 fxg3+ 34. fxg3 g4 35. Rxf8+ Kg7 36. h4 Qxe3 37. Nxb5 Bg6 38. Nxd6 Qe6 39. Rfd8 Kh6 40. Ra7 Qf6 41. Rdd7 Kh5 42. Nf7 Be4 43. Rd6 1-0

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.15"]
[Round "7"]
[White "Gilg, Karl"]
[Black "Davidson, Jacques"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "78"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. h3 Nbd7 7. Be3 c5 8. d5 Ne8 9. Qc2 Ne5 10. Nxe5 Bxe5 11. f4 Bg7 12. Bd3 e6 13. 0-0-0 a6 14. h4 Nf6 15. Be2 exd5 16. Nxd5 Ng4 17. h5 Nxe3 18. Nxe3 Bd4 19. Nd5 Be6 20. Bd3 b5 21. hxg6 fxg6 22. e5 Kg7 23. Nf6 Rxf6 24. exf6+ Qxf6 25. g3 bxc4 26. Bxc4 Bxc4 27. Qxc4 Bxb2+ 28. Kd2 Rf8 29. Rb1 Rf7 30. Ke2 Bd4 31. Rb3 Re7+ 32. Kf3 Qf5 33. Qf1 c4 34. Ra3 Qe4+ 35. Kg4 Re5 36. Qb1 Qe2+ 37. Rf3 h5+ 38. Kh3 Qxf3 39. fxe5 Bxe5 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.14"]
[Round "6"]
[White "Davidson, Jacques"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "104"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[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 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. Bd3 0-0 8. 0-0 Qe7 9. e4 dxc4 10. Bxc4 e5 11. Rd1 exd4 12. Nxd4 Nb6 13. Bf1 Rd8 14. h3 Bc7 15. Be3 Re8 16. Bd3 Nh5 17. Nce2 g6 18. Re1 Nd7 19. Nf3 Bb6 20. Bg5 Qc5 21. Nc3 Ne5 22. Nxe5 Qxe5 23. Be3 Bc7 24. Ne2 Qh2+ 25. Kf1 Bxh3 26. gxh3 Qxh3+ 27. Kg1 Bh2+ 28. Kh1 Nf4 29. Nxf4 Bxf4+ 30. Kg1 Bh2+ 31. Kh1 Qf3+ 32. Kxh2 Re5 33. Qc5 Rxc5 34. Bxc5 Qh5+ 35. Kg2 Qxc5 36. Re3 Re8 37. Rae1 Qe5 38. R1e2 Re6 39. b3 Rf6 40. Rg3 Kg7 41. Bb1 Rf4 42. Bd3 Rh4 43. Kf3 Qf4+ 44. Kg2 Qc1 45. Kf3 h5 46. Rc2 Qd1+ 47. Ke3 Rh1 48. Kd4 h4 49. Re3 Re1 50. Rxe1 Qxe1 51. Re2 Qa1+ 52. Kc4 b5+ 0-1

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.13"]
[Round "5"]
[White "Nimzowitsch, Aron"]
[Black "Davidson, Jacques"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "134"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. b3 d5 4. cxd5 Nxd5 5. Bb2 Bf5 6. g3 f6 7. d3 Bg4 8. Bg2 e5 9. 0-0 Be7 10. Nbd2 Nc6 11. h3 Be6 12. Nc4 Qd7 13. Kh2 0-0 14. Qd2 Rad8 15. Rfd1 Rfe8 16. e3 Bf8 17. Qe2 Bf7 18. Rd2 Qc7 19. Rc1 Rd7 20. Kg1 Red8 21. Ne1 Nde7 22. Na3 Nb4 23. Nb5 Qb6 24. Nc3 Qa6 25. Bf1 Nxa2 26. Nxa2 Qxa2 27. Bxe5 Qxb3 28. Ba1 Nc6 29. h4 Nb4 30. d4 cxd4 31. Bh3 Be6 32. Qd1 Rf7 33. Qxb3 Bxb3 34. Rxd4 Rxd4 35. Bxd4 Nc6 36. Bg2 Nxd4 37. exd4 b5 38. Rc3 Be6 39. Rc6 Re7 40. Nd3 Bc4 41. Nf4 Rd7 42. d5 f5 43. Ne6 Be7 44. Rc8+ Kf7 45. Nd4 g6 46. Nc6 Kf6 47. Kh2 Bxd5 48. Bxd5 Rxd5 49. Nxa7 b4 50. Rb8 Rd2 51. Kh3 Rxf2 52. Rb6+ Kf7 53. Nc6 Bd6 54. Nxb4 Rd2 55. Rb7+ Ke6 56. Nc6 Rd3 57. Rb3 Rxb3 58. Nd4+ Kd5 59. Nxb3 Bb4 60. Nc1 Ke4 61. Ne2 Ke3 62. Nf4 Bd6 63. Nd5+ Kf3 64. Nf6 h5 65. Nd5 Kf2 66. Nf6 Bxg3 67. Ne4+ fxe4 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.11"]
[Round "4"]
[White "Davidson, Jacques"]
[Black "Spielmann, Rudolf"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "62"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 h6 4. Bg2 Bf5 5. 0-0 e6 6. c4 c6 7. Qb3 Qb6 8. Qxb6 axb6 9. cxd5 exd5 10. Nc3 b5 11. Re1 Bb4 12. Bd2 0-0 13. Ne5 Nbd7 14. Nxd7 Nxd7 15. a3 Ba5 16. Nb1 Bxb1 17. Bxa5 Rxa5 18. Raxb1 Re8 19. e4 dxe4 20. Bxe4 Ra4 21. Bf5 Nf6 22. Rxe8+ Nxe8 23. Rd1 Ra8 24. Bc2 Rd8 25. Kf1 Nc7 26. Bb3 Kf8 27. Ke2 Ke7 28. Rd3 Nd5 29. Bxd5 Rxd5 30. Kd2 Rd7 31. Kc3 Kd6 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.10"]
[Round "3"]
[White "Tartakower, Saviely"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "59"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nbd2 Be7 6. Bd3 Nbd7 7. 0-0 0-0 8. e4 Qc7 9. Re1 Rd8 10. Qc2 Nf8 11. cxd5 exd5 12. e5 Ne8 13. Nb3 g6 14. h3 Ng7 15. g4 h5 16. Nh2 Nfe6 17. f4 hxg4 18. hxg4 f5 19. gxf5 gxf5 20. Kh1 Bh4 21. Rg1 Qf7 22. Bxf5 Rf8 23. Bg6 Qe7 24. f5 Nxd4 25. Nxd4 Qxe5 26. Ndf3 Qe7 27. Nxh4 Qxh4 28. f6 Rxf6 29. Bg5 Rf2 30. Bxh4 1-0

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.08"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Reti, Richard"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "109"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c3 g6 6. 0-0 Bg7 7. Qb3 cxd4 8. Ne5 d5 9. cxd4 0-0 10. Nc3 Nc6 11. Rd1 e6 12. Bf4 Ne8 13. Nxc6 Bxc6 14. Rac1 g5 15. Be3 f5 16. f4 g4 17. Rd2 Nd6 18. Bf2 Qd7 19. Qd1 Rfc8 20. b3 Rc7 21. Rdc2 Rac8 22. e3 Bf8 23. Bf1 Bb7 24. Be1 Kf7 25. Bd3 h5 26. h3 Be7 27. h4 Kf8 28. Qe2 Bc6 29. a4 Bb7 30. Nb5 Nxb5 31. Bxb5 Qd8 32. Bd3 Ba3 33. Rxc7 Rxc7 34. Rc2 a5 35. Kf2 Qc8 36. Rxc7 Qxc7 37. Qd1 Ke7 38. Ke2 Kd8 39. Qc2 Qxc2+ 40. Bxc2 Ba6+ 41. Bd3 Bxd3+ 42. Kxd3 Kc7 43. Kc2 Kb7 44. Bd2 Ka6 45. Be1 b5 46. Bd2 Kb6 47. Bc1 Be7 48. Kd3 Bd8 49. Ke2 Kc6 50. Kd3 Kb7 51. Ke2 Kc6 52. Kd3 Bc7 53. Kc2 Kb6 54. Kd3 Bd6 55. Kc2 1/2-1/2

[Event "Semmering Panhans"]
[Site "Semmering"]
[Date "1926.03.07"]
[Round "1"]
[White "Kmoch, Hans"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "115"]
[EventDate "1926.03.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 Be7 5. Nc3 Nbd7 6. e3 0-0 7. Rc1 b6 8. cxd5 exd5 9. Qa4 Bb7 10. Ba6 Qc8 11. Bxb7 Qxb7 12. Ne5 Nb8 13. 0-0 c5 14. Rfd1 Rd8 15. dxc5 bxc5 16. Bxf6 gxf6 17. Qg4+ Kf8 18. Nf3 Nc6 19. b3 d4 20. exd4 cxd4 21. Nxd4 Qb4 22. Nce2 Ne5 23. Qh3 Kg8 24. Nf5 Bf8 25. Ned4 Qb7 26. Qh4 Qb6 27. Rc3 Ng6 28. Qh5 Nf4 29. Qg4+ Ng6 30. h4 Kh8 31. Rg3 Rd5 32. Ne3 Rdd8 33. h5 Ne7 34. Ndf5 Rxd1+ 35. Nxd1 Qe6 36. Nde3 Rd8 37. Nxe7 Qxg4 38. Nxg4 Bxe7 39. Nh6 Rf8 40. Rd3 Bc5 41. Rd5 Bb6 42. Rd7 Kg7 43. Nf5+ Kg8 44. h6 Re8 45. Kf1 Kf8 46. Nd6 Re7 47. Rxe7 Kxe7 48. Nc8+ Ke6 49. Nxb6 axb6 50. Ke2 Kd5 51. Kd3 f5 52. f4 f6 53. a4 Kc5 54. Kc3 Kd5 55. b4 Ke4 56. a5 bxa5 57. bxa5 Kd5 58. Kb4 1-0

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1926.01.24"]
[Round "3.1"]
[White "Davidson, Jacques"]
[Black "Fontein, George Salto"]
[Result "1/2-1/2"]
[ECO "E22"]
[PlyCount "41"]
[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 VAS"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. e3 0-0 6. Nf3 d5 7. Bd3 dxc4 8. Bxc4 Nc6 9. dxc5 Ne4 10. Be2 Nxc3 11. bxc3 Bxc5 12. 0-0 Qe7 13. Rb1 b6 14. e4 Na5 15. Qc2 e5 16. Nd2 Be6 17. Nb3 Nc4 18. Nxc5 Qxc5 19. Qa4 Rfc8 20. Rb4 Na5 21. Bd2 1/2-1/2

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1925.12.20"]
[Round "2.1"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "113"]
[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 "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc4 Be7 7. 0-0 Nf6 8. Ng5 0-0 9. Nxf7 Rxf7 10. Bxf7+ Kxf7 11. e5 Kg8 12. exf6 Bxf6 13. Nd2 Qd5 14. Qe2 Be6 15. Ne4 Nd7 16. Nxf6+ Nxf6 17. Bf4 Bf7 18. Qe7 c5 19. Rae1 Re8 20. Qd6 Qxd6 21. Bxd6 Ne4 22. Bf4 b5 23. Rf3 a5 24. Bc7 a4 25. Rf5 Bg6 26. Rd5 Re6 27. a3 Kf7 28. Rf1+ Ke7 29. Bd8+ Ke8 30. Bh4 Rd6 31. Re5+ Kd7 32. Re7+ Kc6 33. Rxg7 c4 34. Be1 d3 35. cxd3 cxd3 36. Bb4 d2 37. Bxd6 Nxd6 38. Rd1 Nc4 39. Rxg6+ hxg6 40. Kf2 Kc5 41. Ke2 Nxb2 42. Rxd2 Nc4 43. Ra2 Kd4 44. h4 Kc3 45. g4 Kb3 46. Ra1 Kb2 47. Rf1 Kxa3 48. h5 gxh5 49. gxh5 Ne5 50. Rf5 Nc6 51. Rf3+ Ka2 52. h6 Nd4+ 53. Ke3 Nxf3 54. h7 b4 55. h8Q b3 56. Qg8 Ne1 57. Kd2 1-0

[Event "Amsterdam VAS Four Masters"]
[Site "Amsterdam"]
[Date "1925.10.17"]
[Round "3"]
[White "Weenink, Henri Gerard"]
[Black "Davidson, Jacques"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "48"]
[EventDate "1925.10.15"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. c4 Nf6 4. Nc3 Be7 5. Qc2 0-0 6. b3 b6 7. Bb2 Bb7 8. e3 Ne4 9. Bd3 d5 10. Ne5 Nd7 11. 0-0-0 Nxe5 12. Bxe4 Nxc4 13. Bxf5 exf5 14. bxc4 dxc4 15. Rhg1 a6 16. f4 b5 17. Qe2 Kh8 18. a3 Bd6 19. d5 Qe7 20. Nb1 Bxf4 21. Bd4 Rae8 22. Rde1 Be5 23. Qb2 Bxd5 24. Nc3 Bg8 0-1

[Event "Amsterdam VAS Four Masters"]
[Site "Amsterdam"]
[Date "1925.10.16"]
[Round "2"]
[White "Davidson, Jacques"]
[Black "Euwe, Max"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "89"]
[EventDate "1925.10.15"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nc3 Bg7 7. Nf3 0-0 8. 0-0 Ne4 9. Bf4 Nc6 10. Rc1 Qa5 11. Qb3 e6 12. Rfd1 Nxc3 13. Rxc3 Rd8 14. e3 f6 15. g4 g5 16. Bg3 Qb4 17. Qc2 Bd7 18. Ne1 Be8 19. Nd3 Qe7 20. a3 Rdc8 21. Rc1 Bf8 22. Qd2 b6 23. e4 Qd7 24. Qe3 e5 25. exd5 Nxd4 26. Nxe5 fxe5 27. Bxe5 Rxc3 28. Rxc3 Nb5 29. Qxg5+ Bg6 30. d6 Qe6 31. Bxa8 Nxc3 32. Bxc3 Bh6 33. Bd5 Bxg5 34. Bxe6+ Bf7 35. Bxf7+ Kxf7 36. Be5 Ke6 37. f4 Bh4 38. Kg2 Kd5 39. g5 Ke6 40. Kh3 Bf2 41. Kg4 b5 42. h4 a5 43. h5 b4 44. axb4 axb4 45. g6 1-0

[Event "Amsterdam VAS Four Masters"]
[Site "Amsterdam"]
[Date "1925.10.15"]
[Round "1"]
[White "Davidson, Jacques"]
[Black "Saemisch, Friedrich"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "51"]
[EventDate "1925.10.15"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 Bg4 4. e3 e5 5. Qb3 Bxf3 6. gxf3 Bb4+ 7. Bd2 Bxd2+ 8. Nxd2 exd4 9. cxd5 dxe3 10. fxe3 Nce7 11. Bc4 Nf6 12. d6 cxd6 13. Bxf7+ Kf8 14. Be6 Qc7 15. 0-0 Nc6 16. Ne4 Re8 17. Nxf6 gxf6 18. Bd5 Kg7 19. Rac1 Rhf8 20. e4 Kh8 21. Kh1 Qd7 22. f4 Re7 23. Rg1 Rg7 24. Rxg7 Qxg7 25. Rg1 Qe7 26. Qg3 1-0

[Event "Match/Nation NED-BEL +4-4=2"]
[Site "The Hague"]
[Date "1925.10.11"]
[Round "1.1"]
[White "Davidson, Jacques"]
[Black "Colle, Edgard"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "50"]
[EventDate "1925.10.11"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bb7 6. Bd3 c5 7. d5 d6 8. f4 exd5 9. exd5 0-0 10. Nge2 Bxc3+ 11. Nxc3 Re8+ 12. Be2 Na6 13. 0-0 Nb4 14. Qd1 Ne4 15. Nxe4 Rxe4 16. a3 Qe7 17. Bg4 Rd4 18. Bd2 Nd3 19. b3 b5 20. Qc2 bxc4 21. bxc4 Qe4 22. Rf3 Nf2 23. Qb2 Rxd2 24. Qxb7 Re8 25. Rxf2 Qd4 0-1

[Event "NED Team-ch 1924/25"]
[Site "Netherlands"]
[Date "1925.03.08"]
[Round "5.1"]
[White "Euwe, Max"]
[Black "Davidson, Jacques"]
[Result "1-0"]
[ECO "A81"]
[PlyCount "69"]
[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 "Amsterdam ASC"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 Nc6 4. d4 e6 5. 0-0 d6 6. Nc3 Be7 7. d5 exd5 8. Nxd5 0-0 9. c4 Ne5 10. Bf4 c6 11. Nxe7+ Qxe7 12. c5 Rd8 13. cxd6 Rxd6 14. Qc2 Nxf3+ 15. exf3 Rd8 16. Rfe1 Qf7 17. Be5 Be6 18. f4 Rd7 19. Re2 Bc4 20. Re3 Ng4 21. Rc3 Bd5 22. Rc5 Re8 23. Bxd5 cxd5 24. Rc8 Rde7 25. Bd4 Rxc8 26. Qxc8+ Re8 27. Qc2 a6 28. h3 Nh6 29. Rc1 Qd7 30. Qc7 Qe7 31. Rc5 Qf7 32. Qd6 Qh5 33. Qxd5+ Nf7 34. Qd7 Qe2 35. Rc1 1-0

