[Event "NED-ch13 sf"]
[Site "Amsterdam"]
[Date "1947.04.17"]
[Round "9"]
[White "Tummers, Leo J"]
[Black "Pruyt, PH."]
[Result "1-0"]
[ECO "D19"]
[PlyCount "63"]
[EventDate "1947.04.08"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg4 10. h3 Bh5 11. Rd1 Qe7 12. e4 Nbd7 13. e5 Nd5 14. Ne4 h6 15. Ng3 Bg6 16. Ne1 f5 17. exf6 Qxf6 18. Nd3 Ba5 19. Ne4 Qh4 20. Nd6 Rf6 21. Qg4 Qxg4 22. hxg4 Bb6 23. g5 Rff8 24. gxh6 Bh5 25. Re1 e5 26. dxe5 Nc5 27. Nf4 Bg4 28. Nxd5 cxd5 29. Bxd5+ Kh8 30. Nf7+ Kh7 31. hxg7 Kxg7 32. Bh6+ 1-0

[Event "NED-ch13 sf"]
[Site "Amsterdam"]
[Date "1947.04.15"]
[Round "7"]
[White "Tummers, Leo J"]
[Black "Van den Berg, Carel"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "74"]
[EventDate "1947.04.08"]
[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. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 a5 8. b3 0-0 9. e3 Re8 10. Nd2 e5 11. d5 Ne7 12. Be2 Ng6 13. Bb2 Bd7 14. e4 Nf4 15. Bf3 b5 16. 0-0 c6 17. g3 Nh3+ 18. Kh1 bxc4 19. dxc6 Bxc6 20. Bg2 Ng5 21. Qe3 c3 22. Bxc3 Ng4 23. Qe2 f5 24. h4 Nf7 25. exf5 Bxg2+ 26. Kxg2 Nf6 27. Nc4 d5 28. Nd2 Qc8 29. Rac1 Qxf5 30. b4 d4 31. Ba1 axb4 32. axb4 Ra2 33. Qe1 Qd3 34. Rd1 Nd5 35. Ne4 Ne3+ 36. Kh1 Qxe4+ 37. f3 Qc2 0-1

[Event "NED-ch13 sf"]
[Site "Amsterdam"]
[Date "1947.04.14"]
[Round "6"]
[White "Tummers, Leo J"]
[Black "Van Scheltinga, Theo D"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "60"]
[EventDate "1947.04.08"]
[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 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 Bb4 7. 0-0 0-0 8. Ne5 Nxe5 9. dxe5 Nd7 10. f4 Nc5 11. Bc2 dxc4 12. Qh5 g6 13. Qe2 b5 14. Bd2 Ba5 15. Rad1 Qc7 16. Be1 f5 17. exf6 Rxf6 18. Bh4 Rf8 19. e4 b4 20. Na4 Nxa4 21. Bxa4 Ba6 22. Qg4 Rae8 23. f5 c3 24. Rfe1 cxb2 25. Bb3 Kh8 26. fxe6 Bb6+ 27. Kh1 Qg7 28. Rd7 Qc3 29. Red1 Qc1 30. Bg5 Rf1+ 0-1

[Event "Match/Nation NED-ENG (4,5-5,5) (3-7)"]
[Site "Amsterdam"]
[Date "1947.04.06"]
[Round "2.9"]
[White "Tummers, Leo J"]
[Black "Crown, Gordon Thomas"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "62"]
[EventDate "1947.04.05"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. g3 Nbd7 7. Bg2 e5 8. 0-0 Re8 9. d5 a5 10. h3 Nc5 11. Be3 Nfd7 12. a3 a4 13. Qc2 Rf8 14. Rad1 f5 15. f3 Rf7 16. f4 fxe4 17. Bxe4 Nxe4 18. Nxe4 exf4 19. Nxf4 Bh6 20. Kh2 Ne5 21. Ne6 Bxe6 22. Bxh6 Bf5 23. Qe2 Qe8 24. Rf4 Rd8 25. Rdf1 Rdd7 26. g4 Bxe4 27. Qxe4 Rde7 28. Rxf7 Nxf7 29. Qf4 Re4 30. Qc1 Re2+ 31. Kg1 Qe4 0-1

[Event "Match/Nation NED-ENG (4,5-5,5) (3-7)"]
[Site "Amsterdam"]
[Date "1947.04.05"]
[Round "1.9"]
[White "Crown, Gordon Thomas"]
[Black "Tummers, Leo J"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "33"]
[EventDate "1947.04.05"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4 b4 12. cxb4 cxb4 13. h3 0-0 14. Nbd2 Nc6 15. Nb3 Bd7 16. Bd2 Rfb8 17. Bd3 1/2-1/2

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.11.02"]
[Round "7"]
[White "Been, J."]
[Black "Tummers, Leo J"]
[Result "0-1"]
[ECO "E85"]
[PlyCount "72"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 e5 7. Qd2 0-0 8. 0-0-0 exd4 9. Bxd4 Ne8 10. Bxg7 Nxg7 11. f4 Nc5 12. Nf3 Be6 13. Be2 a5 14. Ng5 Qd7 15. h3 f6 16. Nxe6 Qxe6 17. Qd5 Qxd5 18. Rxd5 Rae8 19. Bf3 Nge6 20. g3 g5 21. f5 Nd8 22. Rdd1 Nc6 23. b3 Ne5 24. Be2 Nc6 25. Bh5 Ra8 26. Rhe1 Nb4 27. Be2 a4 28. Kb2 axb3 29. axb3 Rfe8 30. Bf1 Kf7 31. Rd2 Ra5 32. Rdd1 Rea8 33. Re3 Ra3 34. Na4 Nxa4+ 35. Kxa3 Nc2+ 36. Ka2 Nc3+ 0-1

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.11.01"]
[Round "6"]
[White "Van Doesburgh, Gerrit RD"]
[Black "Tummers, Leo J"]
[Result "1/2-1/2"]
[ECO "C33"]
[PlyCount "78"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Qf3 Nc6 4. c3 Nf6 5. d4 d5 6. e5 Ne4 7. Bxf4 Be7 8. Bd3 f5 9. exf6 Nxf6 10. Ne2 0-0 11. 0-0 Bg4 12. Qg3 Qd7 13. h3 Be6 14. Bxc7 Nh5 15. Rxf8+ Rxf8 16. Qe3 Bh4 17. Bg3 Nxg3 18. Nxg3 Bxh3 19. gxh3 Qxh3 20. Bf5 Qxg3+ 21. Qxg3 Bxg3 22. Be6+ Kh8 23. Bxd5 Rf2 24. Na3 h5 25. Nc4 Ne7 26. Bxb7 Ng6 27. Rf1 Rh2 28. Ne5 Nxe5 29. dxe5 Bxe5 30. Be4 Kg8 31. Re1 Bg3 32. Bg6 Bxe1 33. Kxh2 h4 34. Kh3 Kf8 35. c4 Ke7 36. Kg4 Kd6 37. Be4 Kc5 38. Bd5 a5 39. Kf5 Bf2 1/2-1/2

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.10.31"]
[Round "5"]
[White "Tummers, Leo J"]
[Black "Van Oosterwijk Bruyn, Jaap J"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "48"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg4 10. Rd1 Nbd7 11. h3 Bh5 12. e4 Qe7 13. e5 Nd5 14. Ne4 f6 15. exf6 N7xf6 16. Ng3 Bxf3 17. Qxf3 c5 18. Bd2 cxd4 19. Bxb4 Qxb4 20. b3 Qb6 21. a5 Qc5 22. Ne4 Nxe4 23. Qxe4 Qd6 24. Rxd4 Rf5 1-0

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.10.30"]
[Round "4"]
[White "Kramer, Haije J"]
[Black "Tummers, Leo J"]
[Result "1-0"]
[ECO "E68"]
[PlyCount "103"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 d6 5. d4 Nbd7 6. c4 e5 7. Nc3 0-0 8. e4 c6 9. b3 Re8 10. d5 c5 11. Ne1 Nf8 12. Nd3 Nh5 13. Bb2 a6 14. a3 Rb8 15. b4 b6 16. b5 a5 17. h3 Bd7 18. Kh2 h6 19. Qf3 Nh7 20. Rae1 Rf8 21. Qe2 Qe7 22. Na4 Rfe8 23. f4 exf4 24. gxf4 Bxb2 25. Qxb2 Qh4 26. Qf2 Qe7 27. e5 Ng7 28. e6 Bc8 29. Be4 fxe6 30. Bxg6 Rf8 31. Qg2 Qf6 32. Be4 Kh8 33. Rg1 Rg8 34. Qg6 Qxg6 35. Rxg6 exd5 36. cxd5 Bf5 37. Rxd6 Bxe4 38. Rxe4 Nf5 39. Rxb6 Rxb6 40. Nxb6 Nf6 41. Re1 Nh4 42. Ne5 Rg2+ 43. Kh1 Nh5 44. Re3 Ng3+ 45. Rxg3 Rxg3 46. d6 Nf3 47. Nxf3 Rxf3 48. Nd5 Rg3 49. b6 Rg8 50. Ne7 Rd8 51. b7 c4 52. Nc8 1-0

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.10.29"]
[Round "3"]
[White "Tummers, Leo J"]
[Black "Van den Bosch, Johannes"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "41"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 b6 8. cxd5 exd5 9. Bd3 Be6 10. 0-0 c5 11. Rc1 Nc6 12. Qa4 Nb4 13. Bb1 a5 14. a3 Na6 15. Ne5 Bd6 16. Qc2 Re8 17. Bxf6 Qxf6 18. Qh7+ Kf8 19. Nd7+ Bxd7 20. Nxd5 Bxh2+ 21. Kh1 1-0

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.10.28"]
[Round "2"]
[White "Sammelius, Carel JR"]
[Black "Tummers, Leo J"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "86"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. h3 Na5 9. Bc2 c5 10. 0-0 0-0 11. d3 Qc7 12. Nbd2 Be6 13. Re1 Nc6 14. Nf1 Rfe8 15. Ne3 d5 16. Ng5 d4 17. Nxe6 fxe6 18. Nf1 Na5 19. g4 Nd7 20. g5 Nf8 21. Qg4 c4 22. cxd4 exd4 23. e5 Red8 24. Ng3 c3 25. Re2 b4 26. f4 Rab8 27. b3 Nc6 28. f5 Nxe5 29. Rxe5 Qxe5 30. Bf4 Qd5 31. Bxb8 Rxb8 32. f6 Bd6 33. fxg7 Kxg7 34. Nh5+ Kh8 35. Re1 Rb7 36. Re4 Qf5 37. Qg2 Rb5 38. h4 Ng6 39. Nf6 Nf4 40. Qf3 Nh3+ 41. Kg2 Qxf3+ 42. Kxf3 Rf5+ 43. Ke2 Bg3 0-1

[Event "NED-ch Voorwedstrijden Leiden-C"]
[Site "Leiden"]
[Date "1946.10.26"]
[Round "1"]
[White "Tummers, Leo J"]
[Black "Koomen, Willem"]
[Result "1-0"]
[ECO "D22"]
[PlyCount "77"]
[EventDate "1946.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 b5 8. Be2 Nd7 9. a4 b4 10. Nd2 c5 11. dxc5 Nxc5 12. Qc2 Nf6 13. b3 Rc8 14. Nc4 Be7 15. Bb2 0-0 16. Rd1 Qc7 17. Be5 Qa7 18. Qb2 Rfd8 19. 0-0 Ne8 20. Qb1 Bf6 21. Rxd8 Rxd8 22. Rd1 Qe7 23. Rxd8 Qxd8 24. Qd1 Qc8 25. Nb6 Qc6 26. Bxf6 gxf6 27. a5 Nd6 28. Qd4 Nxb3 29. Qg4+ Kh8 30. Qxb4 Nc5 31. Qc3 Kg7 32. Bxa6 Nb5 33. Bxb5 Qxb5 34. Qd2 Nb7 35. Qc3 Qb1+ 36. Kg2 Qb5 37. Nc4 Qc5 38. a6 Nd6 39. a7 1-0

