[Event "EU-ch corr"]
[Site "ICCF corr"]
[Date "1975.??.??"]
[Round "?"]
[White "Herbers"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "A67"]
[PlyCount "68"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 0-0 10. Nf3 a6 11. a4 Nf6 12. 0-0 Bg4 13. h3 Bxf3 14. Qxf3 Nbd7 15. Bd2 Qc7 16. Bc4 Rfe8 17. g4 Re7 18. Rae1 Rae8 19. e5 dxe5 20. g5 e4 21. Qg2 Nh5 22. Nxe4 Bd4+ 23. Kh2 Nb6 24. d6 Qd7 25. dxe7 Nxc4 26. Bc1 Rxe7 27. b3 Nd6 28. Nxd6 Qxd6 29. Re4 Ng7 30. Rfe1 Ne6 31. h4 Qd5 32. Qc2 Qf5 33. Qe2 Bc3 34. Qf2 Nxg5 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1975.??.??"]
[Round "?"]
[White "Luberti, Wim"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "62"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. e5 Nc6 5. c3 Qb6 6. d3 Bd7 7. g3 0-0-0 8. Bg2 Be7 9. Qe2 h5 10. Nbd2 Nh6 11. c4 Nb4 12. 0-0 Nf5 13. Bh3 Nc2 14. Rb1 Ncd4 15. Qf2 Bc6 16. Nxd4 Nxd4 17. Bg2 h4 18. cxd5 hxg3 19. hxg3 c4 20. Re1 exd5 21. Nf3 Bb4 22. Rd1 Bc5 23. Kf1 Nxf3 24. Qxf3 c3 25. Qe2 Rh2 26. Re1 Rdh8 27. Qg4+ Kb8 28. e6 c2 29. Ra1 Qa6 30. exf7 Qxd3+ 31. Qe2 Bb5 0-1

[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1975.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Meddeler, Hein"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "72"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 Re8 8. 0-0-0 a6 9. h4 e5 10. d5 Nd4 11. Nge2 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 Be6 15. g4 c5 16. Be3 Qa5 17. h5 Rab8 18. hxg6 fxg6 19. Bh6 Bh8 20. Bf4 Rxb2 21. Qxb2 Nd7 22. e5 Rb8 23. Nb5 axb5 24. Bd2 b4 25. Qb3 Nxe5 26. Bc3 Rf8 27. Bxe5 Bxe5 28. Be2 Bd7 29. Kb1 Ba4 30. Qd3 b3 31. a3 Bc6 32. Qxb3 Qa7 33. Rd2 Rb8 34. Qxb8+ Qxb8+ 35. Ka2 Qf8 36. Rf1 Qf4 0-1

[Event "BEL corr"]
[Site "Belgium"]
[Date "1975.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Munninghof, Alexander"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "39"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BEL"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 Nc6 6. h4 h6 7. Bxf6 Bxf6 8. e4 Nxd4 9. exf5 Nxf5 10. Bd3 Nxh4 11. Nd5 e6 12. Rxh4 Bxh4 13. Bxg6+ Kf8 14. Qf4+ Bf6 15. Nxf6 Kg7 16. Nh5+ Kxg6 17. Nf3 Qe7 18. Ne5+ Kh7 19. Nf6+ Kg7 20. Qg4+ 1-0

[Event "NED-Cup corr"]
[Site "Netherlands"]
[Date "1975.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Roos, CL."]
[Result "1-0"]
[ECO "A58"]
[PlyCount "65"]
[EventDate "1975.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. Nf3 d6 8. Nd2 Bg7 9. e4 Bxf1 10. Nxf1 0-0 11. Ne3 Nfd7 12. 0-0 Nb6 13. a4 Qd7 14. a5 Ra6 15. Ra3 Na8 16. Nc4 Rc8 17. Na4 Qd8 18. Qe2 Ra7 19. f4 Na6 20. Nab6 Rb8 21. f5 Nb4 22. fxg6 hxg6 23. Nxa8 Raxa8 24. Kh1 Qe8 25. Qf2 Ra6 26. Rf3 e6 27. Qg3 exd5 28. Nxd6 Qe5 29. Bf4 Qxb2 30. Nxf7 Re8 31. Ng5 dxe4 32. R3f2 Qd4 33. Qh3 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1973.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Mooij, Walter Johan"]
[Result "0-1"]
[ECO "D93"]
[PlyCount "44"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 0-0 7. Qb3 Qa5 8. Nd2 Nbd7 9. Bd3 Nh5 10. Bg3 Nxg3 11. hxg3 e5 12. dxe5 Nxe5 13. Be2 dxc4 14. Nxc4 Nxc4 15. Bxc4 b5 16. Bd3 Be6 17. Qc2 b4 18. Ne2 b3+ 19. Qd2 Qxd2+ 20. Kxd2 bxa2 21. Nc3 Rab8 22. Kc2 Rb6 0-1

[Event "NED-ch04 corr7274"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Mooij, Walter Johan"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "84"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f4 Bb7 9. f5 e5 10. Nde2 Nbd7 11. Ng3 Be7 12. Bg5 Rc8 13. Bxf6 Nxf6 14. Nh5 Nxe4 15. Nxe4 Bxe4 16. Qg4 Bh4+ 17. Kd1 d5 18. Qxg7 Rf8 19. Qxe5+ Qe7 20. Qxe7+ Kxe7 21. f6+ Kd6 22. Rf1 Bxg2 23. Rf4 Bg5 24. Rf5 Bh6 25. Ng3 Rfe8 26. Rf2 Bh3 27. c3 Re5 28. Kc2 Be3 29. Rf3 Bg4 30. Rff1 h5 31. h4 Kc5 32. Rae1 Rc6 33. Kd3 Bf4 34. Rxe5 Bxe5 35. Ne2 Re6 36. Nf4 Rxf6 37. Ke3 Bxf4+ 38. Rxf4 Re6+ 39. Kf2 Re2+ 40. Kf1 Rxb2 41. Rxf7 a5 42. Rb7 a4 0-1

[Event "NED-ch04 corr7274"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Elzerman, J."]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "81"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. cxd5 Qxd5 4. Nf3 cxd4 5. Nc3 Qd8 6. Qxd4 Bd7 7. Bf4 Nc6 8. Qd2 Nf6 9. Rd1 g6 10. e4 Bg7 11. Bc4 Bg4 12. Qe3 Qa5 13. 0-0 0-0 14. Nd5 Bxf3 15. Qxf3 Nxd5 16. Rxd5 Qb4 17. b3 a6 18. a4 Rad8 19. Bd2 Qa3 20. Rxd8 Nxd8 21. Bc3 e6 22. Bxg7 Kxg7 23. Qc3+ Kg8 24. Rd1 Qc5 25. Rd3 b5 26. axb5 axb5 27. Qa5 Qg5 28. Rd1 Nb7 29. Qxb5 Qxb5 30. Bxb5 Nc5 31. b4 Nxe4 32. Bc6 Nc3 33. Rd3 Na2 34. Rd4 Rb8 35. b5 Nc3 36. Kf1 Kf8 37. Ke1 Ke7 38. Rd7+ Kf6 39. Rd3 Nd5 40. Bxd5 exd5 41. Rxd5 1/2-1/2

[Event "NED-ch04 corr7274"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Noorda, Sybold J"]
[Result "1/2-1/2"]
[ECO "A86"]
[PlyCount "93"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nh3 0-0 6. 0-0 d6 7. Nc3 Nc6 8. d5 Ne5 9. b3 c5 10. Bb2 Ne8 11. Nf4 Nc7 12. Qd2 Rb8 13. Rab1 a6 14. Nd3 Nxd3 15. Qxd3 b5 16. e3 Bd7 17. Ba1 Na8 18. Ne2 Bxa1 19. Rxa1 bxc4 20. bxc4 Qa5 21. Rfb1 Rxb1+ 22. Rxb1 Nb6 23. e4 fxe4 24. Bxe4 Bf5 25. Bxf5 Rxf5 26. Nc3 Nd7 27. f4 Qc7 28. Ne4 Rf8 29. Qe2 h6 30. Nc3 Nf6 31. Rb3 Kg7 32. Qb2 Qc8 33. Rb7 Rf7 34. Rb6 Qf5 35. Qe2 g5 36. fxg5 hxg5 37. Rb3 Ng4 38. Ne4 Ne5 39. g4 Qf4 40. Kg2 Rf8 41. h3 Rh8 42. Rb7 Ng6 43. Ng3 Qf6 44. Nf5+ Kf7 45. Qe4 Nf4+ 46. Kf1 Ng6 47. Kg2 1/2-1/2

[Event "NED-ch04 corr7274"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Van der Pol, Theo"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "A79"]
[PlyCount "71"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Ba6 14. Bg5 h6 15. Be3 Qd7 16. Qd2 Kh7 17. Kh1 Rab8 18. b3 Rb7 19. Ra2 Ng8 20. Bd3 Bxc4 21. bxc4 a6 22. Rb1 Reb8 23. h3 Ne7 24. Bf4 Nc8 25. Bg3 Qe8 26. Qe1 Qh8 27. Ra3 Ne8 28. Rab3 Na7 29. f4 Bxc3 30. Qxc3 Qxc3 31. Rxc3 f6 32. Rcb3 Nc8 33. R3b2 a5 34. e5 f5 35. Be1 Ra8 36. g4 1-0

[Event "NED-ch04 corr7274"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Van der Spek, Hein Piet"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "97"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Bc4 Nc6 7. Qe4 d6 8. exd6 Nf6 9. Qe2 Bxd6 10. Nf3 h6 11. 0-0 Qc7 12. Nbd2 Bd7 13. Bd3 0-0-0 14. Nc4 e5 15. Qc2 Kb8 16. Be3 Bg4 17. Nxd6 Qxd6 18. Be2 Nd5 19. h3 Nxe3 20. fxe3 Be6 21. b4 Ne7 22. e4 Ng6 23. Rfd1 Qb6+ 24. Kh2 Rc8 25. Rac1 Nf4 26. Bf1 g5 27. c4 g4 28. hxg4 h5 29. g5 Bg4 30. Qb2 Qc7 31. c5 Bxf3 32. gxf3 Qe7 33. c6 Qxg5 34. Qf2 Rc7 35. cxb7 Nd3 36. Bxd3 Rxc1 37. f4 Qd8 38. Rxc1 Qxd3 39. Rc8+ Rxc8 40. bxc8Q+ Kxc8 41. Qc5+ Kb7 42. Qe7+ Kb6 43. Qf6+ Kb5 44. Qxe5+ Kxb4 45. Qe7+ Kc3 46. Qc5+ Kd2 47. Qxh5 Ke3 48. Qxf7 Qe2+ 49. Kg3 1/2-1/2

[Event "NED-ch01 corr"]
[Site "Netherlands"]
[Date "1967.??.??"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Groeneveld, Cornelis"]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "54"]
[EventDate "1967.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Qe2 Ne4 11. Bg3 Nxg3 12. hxg3 c6 13. Rac1 dxc4 14. Bxc4 b5 15. Bd3 b4 16. Na4 Qa5 17. b3 Rac8 18. Rfd1 Rfd8 19. Nb2 c5 20. Nc4 Qc7 21. Nce5 Nf6 22. e4 Qb8 23. Nxf7 Kxf7 24. Ne5+ Ke8 25. Bb5+ Kf8 26. Ng6+ Kf7 27. Ne5+ Kf8 1/2-1/2

[Event "Botvinnik sim"]
[Site "Netherlands"]
[Date "1958.??.??"]
[Round "?"]
[White "Botvinnik, Mikhail"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "73"]
[EventDate "1958.10.??"]
[EventType "simul"]
[EventRounds "1"]
[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 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. d5 Rac8 15. Bd3 Nd7 16. Rb1 Nb6 17. b4 Nac4 18. Nb3 Na4 19. Qc2 Qb6 20. Bxc4 Rxc4 21. Qd3 Rc3 22. Qf1 f5 23. Bg5 Bxg5 24. Nxg5 fxe4 25. Nxe4 Bxd5 26. Nxc3 Nxc3 27. Nd2 Nxb1 28. Rxb1 Bxa2 29. Rb2 Bd5 30. Qe2 Qc6 31. Nf3 Bxf3 32. gxf3 Qc1+ 33. Kh2 Qf4+ 34. Kg2 Rf6 35. Rc2 Rg6+ 36. Kf1 Qf5 37. Qe4 1/2-1/2

[Event "NED-BEL m 4th"]
[Site "The Hague"]
[Date "1927.11.20"]
[Round "1.5"]
[White "Pannekoek, Johannes Henricius"]
[Black "Censer, Maurice"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "44"]
[EventDate "1927.11.20"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Bd3 Bd6 8. 0-0 0-0 9. Qc2 Re8 10. Re1 Nf8 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Be6 14. Bd2 Qb6 15. Ng5 h6 16. Bh7+ Kh8 17. Rxe6 hxg5 18. Rxd6 Nxh7 19. Rd7 Rf8 20. Qb3 Rab8 21. Qxb6 axb6 22. Bb4 Nf6 1/2-1/2

[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 "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.30"]
[Round "11"]
[White "Meijer, HJ."]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "35"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[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. Nf3 Be7 10. Qd2 Qd7 11. Be2 Rd8 12. 0-0 Na5 13. b3 c5 14. d5 Bg4 15. Rad1 Nc8 16. d6 Nxd6 17. exd6 Bxd6 18. Nb5 1-0

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.29"]
[Round "10"]
[White "Pannekoek, Johannes Henricius"]
[Black "Van Foreest, Arnold E"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "95"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 Be7 8. Nf3 0-0 9. 0-0 Re8 10. Qc2 Qc7 11. Rae1 Qd6 12. Bf4 Qb4 13. a3 Qb6 14. Ne5 Nf8 15. h3 Qd8 16. Bh2 Ng6 17. f4 Rf8 18. f5 Nh8 19. g4 Ne8 20. Nf3 g5 21. e4 dxe4 22. Nxe4 f6 23. Bc4+ Kg7 24. Qe2 Bd6 25. Nxd6 Nxd6 26. Qe7+ Ndf7 27. Bc7 Qxe7 28. Rxe7 h5 29. Rfe1 Kh6 30. d5 cxd5 31. Bxd5 a5 32. Bc4 Kg7 33. Bb5 hxg4 34. hxg4 Ng6 35. fxg6 Kxg6 36. Bd3+ Kh6 37. R1e2 Bxg4 38. Rh2+ Kg7 39. Nxg5 f5 40. Bc4 Kf6 41. Rxf7+ Kxg5 42. Rxf8 Rxf8 43. Bxa5 Bf3 44. Bd2+ f4 45. Be2 Bc6 46. Kf2 Rd8 47. Rh5+ Kg6 48. Bxf4 1-0

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.28"]
[Round "9"]
[White "Pannekoek, Johannes Henricius"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "46"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 c5 7. Be3 cxd4 8. Nxd4 b6 9. Bd3 Bb7 10. 0-0 Nbd7 11. Nb3 Ne5 12. f4 Nxd3 13. Qxd3 Rc8 14. a4 Nd7 15. Bd4 Ne5 16. fxe5 dxe5 17. Rfd1 exd4 18. Nxd4 a6 19. b3 Qd6 20. Nd5 e6 21. Ne3 Rfd8 22. e5 Qxe5 23. Nec2 Be4 0-1

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.27"]
[Round "8"]
[White "Kloosterboer, GW."]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "128"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Be2 Nc6 7. 0-0 d6 8. Be3 Nf6 9. Qc2 d5 10. Rfd1 Bd6 11. a3 0-0 12. exd5 exd5 13. Bg5 Be6 14. Bxf6 Qxf6 15. Nxd5 Qh6 16. Nf6+ Qxf6 17. Rxd6 Rac8 18. Qe4 Qxb2 19. Rb1 Bf5 20. Qxf5 Qxe2 21. Re1 Qb2 22. h4 g6 23. Qg5 Qxa3 24. Red1 Qc3 25. h5 Rce8 26. R1d3 Qb2 27. Rd2 Qb1+ 28. Rd1 Qf5 29. Qxf5 gxf5 30. Nh4 Rd8 31. Nxf5 Rxd6 32. Rxd6 Rd8 33. Rf6 Nd4 34. Nh6+ Kg7 35. Ng4 Rd5 36. h6+ Kf8 37. Rb6 Rb5 38. Rd6 Ne2+ 39. Kf1 Nf4 40. Ke1 Ke7 41. Rd4 Rb4 42. Rxb4 Nd3+ 43. Kd2 Nxb4 44. Ne3 Ke6 45. g4 b5 46. f4 Nc6 47. g5 Ne7 48. Kd3 Nf5 49. Ng4 a5 50. Ne5 Ne7 51. Ke4 a4 52. Nc6 a3 53. Nd4+ Kd7 54. f5 a2 55. Nb3 Kd6 56. Na1 Kc5 57. Ke5 Kc4 58. g6 Nxg6+ 59. fxg6 fxg6 60. Kf6 g5 61. Kg7 g4 62. Kxh7 g3 63. Nc2 a1Q 64. Nxa1 Kc3 0-1

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.26"]
[Round "7"]
[White "Pannekoek, Johannes Henricius"]
[Black "Loman, Rudolf Johannes"]
[Result "0-1"]
[ECO "D09"]
[PlyCount "90"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4 6. Bg2 Bc5 7. 0-0 Nge7 8. Nbd2 a5 9. Nb3 Ba7 10. Bg5 h6 11. Bxe7 Kxe7 12. Qd2 a4 13. Nc1 Re8 14. Qf4 Be6 15. Rd1 Bxc4 16. e3 Qd7 17. exd4 Rad8 18. d5 Bxd5 19. e6 fxe6 20. Nh4 Qd6 21. Ng6+ Kd7 22. Rxd5 exd5 23. Bh3+ Re6 24. Qf7+ Ne7 25. Nxe7 Qxe7 26. Bxe6+ Kd6 27. Qxe7+ Kxe7 28. Bg4 Kd6 29. Nd3 c5 30. Nf4 Re8 31. Rd1 d4 32. Kf1 b5 33. Re1 Rxe1+ 34. Kxe1 a3 35. b3 c4 36. bxc4 bxc4 37. Kd2 Bb6 38. h4 Ba5+ 39. Ke2 d3+ 40. Kf3 Ke5 41. Bc8 g5 42. hxg5 hxg5 43. Ne6 c3 44. Nc5 d2 45. Ke2 c2 0-1

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.24"]
[Round "6"]
[White "Kersten, JL."]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "96"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. a3 Nxe5 5. e3 Be7 6. Nc3 d6 7. Nf3 Nbc6 8. Be2 0-0 9. 0-0 Bf6 10. Qc2 Re8 11. Nd5 g6 12. Nxf6+ Qxf6 13. Nxe5 Nxe5 14. f3 Nc6 15. Rf2 Bd7 16. Bd2 Re7 17. Bc3 Qg5 18. e4 Rae8 19. Rd1 f5 20. f4 Qh6 21. exf5 Bxf5 22. Bd3 Qh5 23. Bxf5 Qxf5 24. Qc1 Re2 25. Rd5 Qe4 26. f5 Rxf2 27. Kxf2 Qxc4 28. Qd2 Qe4 29. fxg6 Rf8+ 30. Kg1 Qb1+ 31. Qe1 Qxe1+ 32. Bxe1 hxg6 33. Rd3 Rf5 34. Bf2 a6 35. Rb3 Na5 36. Rc3 Nc6 37. Rb3 Rb5 38. Rxb5 axb5 39. Kf1 Ne5 40. Be3 Kf7 41. Ke2 Ke6 42. h3 Kd5 43. g4 Ke4 44. b3 c5 45. Bg5 c4 46. b4 d5 47. Kf2 d4 48. Kg3 c3 0-1

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.23"]
[Round "5"]
[White "Pannekoek, Johannes Henricius"]
[Black "Schelfhout, Willem AT"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "46"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. h3 Re8 8. e5 dxe5 9. dxe5 Nh5 10. g4 Nxe5 11. Qxd8 Nxf3+ 12. Bxf3 Rxd8 13. gxh5 Bxc3+ 14. bxc3 Rd3 15. Be2 Rxh3 16. Rxh3 Bxh3 17. hxg6 hxg6 18. Bf4 b6 19. Rd1 c6 20. Rd3 Be6 21. Re3 Rc8 22. Bg3 Kf8 23. Bd3 Rc7 1-0

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.22"]
[Round "4"]
[White "Fick, Louis"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "68"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 c5 6. d3 Nc6 7. Bf4 Bf5 8. Qf3 Qd7 9. Qg3 Nd4 10. Nf3 f6 11. Bc7 Be6 12. Bxe6 Qxe6+ 13. Kd2 Qd7 14. Rhe1 g6 15. Ne4 Ne6 16. Nxf6+ exf6 17. Rxe6+ Qxe6 18. Re1 Qxe1+ 19. Kxe1 Nd5 20. Ba5 Kf7 21. Bd2 Rd8 22. h4 Bd6 23. Qg4 Rhe8+ 24. Kf1 h5 25. Qc4 Bf8 26. g4 a6 27. gxh5 gxh5 28. Qb3 Rd7 29. d4 Kg7 30. c4 Ne7 31. Qe3 Kf7 32. Qf4 Ng6 33. Qf5 Rde7 34. d5 Re4 1-0

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.21"]
[Round "3"]
[White "Pannekoek, Johannes Henricius"]
[Black "Olland, Adolf Georg"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "72"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. d5 Nf6 4. dxe6 fxe6 5. e5 Nd5 6. Bd3 Qa5+ 7. c3 Nc6 8. Qh5+ Kd8 9. Nd2 b5 10. Ngf3 Kc7 11. Qg4 Nxc3 12. 0-0 Qb4 13. Qg3 c4 14. bxc3 Qxc3 15. Bxc4 bxc4 16. Rb1 Qd3 17. Qf4 Ba6 18. Bb2 c3 19. Bxc3 Qxc3 20. Rfc1 Qd3 21. Qa4 Ba3 22. Rb3 Bxc1 23. Rxd3 Bxd3 24. Nb3 Bc2 25. Qc4 Bxb3 26. axb3 Bb2 27. b4 a6 28. Qc5 Rab8 29. Qd6+ Kc8 30. Ng5 Bxe5 31. Qc5 Rxb4 32. g3 Rb5 33. Qc4 Kb7 34. Ne4 d5 35. Nc5+ Kb6 36. Na4+ Kc7 0-1

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.20"]
[Round "2"]
[White "Van Hoorn, Petrus Franciscus"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "100"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. d5 cxd5 6. cxd5 d6 7. Nc3 0-0 8. Nf3 Nbd7 9. 0-0 b6 10. Nd4 Nb8 11. Nc6 Qd7 12. Nb5 Na6 13. a4 Bb7 14. Ncxa7 Nb4 15. e4 Ba6 16. Qb3 Rxa7 17. Nxa7 Bxf1 18. Qxb4 Bxg2 19. Kxg2 Qxa7 20. Be3 Nd7 21. Ra3 Qa5 22. Qxa5 bxa5 23. Rb3 Rb8 24. Rxb8+ Nxb8 25. Bb6 Bxb2 26. Bxa5 Kf8 27. Kf3 Ke8 28. h4 Bd4 29. Be1 Nd7 30. a5 Kd8 31. Ke2 Nc5 32. f3 Kc7 33. g4 Kb7 34. h5 g5 35. Bd2 h6 36. f4 f6 37. Kf3 Ka6 38. Bb4 Kb5 39. Be1 Nb3 40. e5 fxe5 41. fxg5 hxg5 42. Ke4 Nc5+ 43. Kf5 Kc4 44. Kxg5 Kxd5 45. Kf5 e4 46. g5 Nd7 47. a6 Nf8 48. g6 e6+ 49. Kg5 Kc6 50. h6 Be3+ 1/2-1/2

[Event "NED-ch06"]
[Site "Utrecht"]
[Date "1926.07.19"]
[Round "1"]
[White "Pannekoek, Johannes Henricius"]
[Black "Kroone, Gerard"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "47"]
[EventDate "1926.07.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bb7 6. Bd3 d5 7. cxd5 exd5 8. e5 Qe7 9. Nge2 Nfd7 10. 0-0 Bxc3 11. bxc3 c5 12. Ba3 Nc6 13. Nf4 Nd8 14. Qb3 Qg5 15. Nxd5 Ne6 16. f4 Qd8 17. Ne3 cxd4 18. Nf5 Ndc5 19. Qb5+ Kf8 20. cxd4 Qd5 21. Qb2 Nxd4 22. Nxd4 Kg8 23. Bxc5 bxc5 24. Nf5 1-0

[Event "Amsterdam ASC-40 jarig Jubilee"]
[Site "Amsterdam"]
[Date "1926.04.20"]
[Round "3"]
[White "Colle, Edgard"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "49"]
[EventDate "1926.04.18"]
[EventType "tourn"]
[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 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. Bg5 h6 9. Bh4 c6 10. dxe5 dxe5 11. Qc2 Qc7 12. b4 Nh5 13. c5 Re8 14. Nd2 Nf4 15. Nc4 Nxe2+ 16. Nxe2 b6 17. Nd6 Re6 18. f4 exf4 19. Nxf4 Bxa1 20. Nxe6 fxe6 21. Qf2 Bd4 22. Qxd4 bxc5 23. Qf2 Ne5 24. Qf8+ Kh7 25. Ne8 1-0

[Event "Amsterdam ASC-40 jarig Jubilee"]
[Site "Amsterdam"]
[Date "1926.04.19"]
[Round "2"]
[White "Pannekoek, Johannes Henricius"]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "68"]
[EventDate "1926.04.18"]
[EventType "tourn"]
[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 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. Bf4 Nh5 8. Be3 e5 9. dxe5 dxe5 10. Qd2 c6 11. 0-0 Qe7 12. Rad1 Re8 13. Qd6 Qxd6 14. Rxd6 Bf8 15. Rd2 Nc5 16. Rfd1 f6 17. g3 Ng7 18. Ne1 a5 19. Nc2 a4 20. Kg2 Kf7 21. f3 Nge6 22. Bf1 f5 23. Kh1 f4 24. Bf2 h5 25. Bh3 b6 26. Ne2 fxg3 27. hxg3 Ba6 28. Bxc5 Bxc5 29. Rd7+ Re7 30. b3 Ng5 31. Bg2 h4 32. f4 hxg3 33. fxg5 Rh8+ 34. Bh3 Rxh3+ 0-1

[Event "Amsterdam ASC-40 jarig Jubilee"]
[Site "Amsterdam"]
[Date "1926.04.18"]
[Round "1"]
[White "Tartakower, Saviely"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "61"]
[EventDate "1926.04.18"]
[EventType "tourn"]
[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. b3 e6 3. Bb2 d5 4. e3 Bd6 5. d4 0-0 6. Bd3 Nbd7 7. 0-0 Qe7 8. Ne5 Rd8 9. f4 Ne4 10. Bxe4 dxe4 11. Nd2 f5 12. a3 c5 13. Qe2 cxd4 14. exd4 Nxe5 15. fxe5 Bc7 16. Qe3 b6 17. g4 g6 18. gxf5 gxf5 19. Rf2 Bb7 20. c4 Qh4 21. d5 exd5 22. Rg2+ Kf7 23. Nf3 Qh5 24. Rf1 Bc8 25. Ng5+ Ke7 26. cxd5 Rxd5 27. Nxe4 fxe4 28. Rg7+ Ke8 29. Qxe4 Bxe5 30. Bxe5 Qxe5 31. Qxh7 1-0

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1926.04.11"]
[Round "5.3"]
[White "Pannekoek, Johannes Henricius"]
[Black "Schelfhout, Willem AT"]
[Result "1/2-1/2"]
[ECO "E10"]
[PlyCount "55"]
[EventDate "1925.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 d6 7. e4 Qa5+ 8. Bd2 Qb6 9. Bd3 c4 10. Bc2 Nbd7 11. 0-0 Be7 12. Be3 Qc7 13. Nd4 a6 14. Nf5 Bf8 15. f4 Nc5 16. e5 Bxf5 17. Bxf5 dxe5 18. fxe5 Qxe5 19. Bd4 Qc7 20. Re1+ Kd8 21. d6 Bxd6 22. Bxf6+ gxf6 23. Qd5 Rb8 24. Nc3 Nd3 25. Bxd3 Qc5+ 26. Qxc5 Bxc5+ 27. Kf1 cxd3 28. Rad1 1/2-1/2

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1926.03.07"]
[Round "4.2"]
[White "Van Hartingsvelt, Hendrik"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "55"]
[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 "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Bd3 Nbd7 7. Qc2 e5 8. dxe5 dxe5 9. 0-0 c6 10. Be2 Qc7 11. Bd2 Nc5 12. e4 Rd8 13. b4 Ne6 14. Rac1 Nd4 15. Nxd4 exd4 16. Nd1 d3 17. Bxd3 Ng4 18. f4 Bd4+ 19. Kh1 Qe7 20. h3 Qh4 21. Be1 Qh6 22. Bg3 Nf6 23. f5 Nh5 24. Bh2 gxf5 25. exf5 Qg5 26. Rf3 Re8 27. Nc3 Be3 28. Re1 1-0

[Event "NED Team-ch 1925/26"]
[Site "Netherlands"]
[Date "1925.12.20"]
[Round "2.2"]
[White "Pannekoek, Johannes Henricius"]
[Black "Loman, Rudolf Johannes"]
[Result "1-0"]
[ECO "D63"]
[PlyCount "69"]
[EventDate "1925.11.01"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "The Hague DD"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 0-0 7. Rc1 a6 8. h3 c6 9. cxd5 exd5 10. Bd3 Ne4 11. Bxe4 Bxg5 12. Bd3 Be7 13. Qc2 Nf6 14. 0-0 Bd6 15. Ne5 c5 16. f4 c4 17. Be2 b5 18. Bf3 Bb7 19. a3 Rc8 20. g4 b4 21. axb4 Bxb4 22. Qg2 Bxc3 23. Rxc3 Ba8 24. Ra1 Qd6 25. g5 Ne4 26. Bxe4 dxe4 27. Nxc4 Qb4 28. Rac1 Rb8 29. R1c2 Rfc8 30. Ne5 Rxc3 31. Rxc3 Bd5 32. Nd7 Rd8 33. Nf6+ gxf6 34. gxf6+ Kf8 35. Rc7 1-0

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

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

[Event "Match/Nation NED-BEL +4-4=2"]
[Site "The Hague"]
[Date "1925.10.11"]
[Round "1.4"]
[White "Tackels, Andre"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "82"]
[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 g6 3. Nc3 Bg7 4. Nf3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 cxd4 11. cxd4 Nc6 12. Be3 0-0 13. Qd2 Rfd8 14. Rfd1 Qg4 15. Qd3 Rd6 16. h3 Qd7 17. Rab1 Bxd4 18. Bxd4 Nxd4 19. Nxd4 Rd8 20. Qb3 b6 21. Qa3 e5 22. Rb5 exd4 23. Rd5 Rxd5 24. exd5 Qxd5 25. Qxa7 Qc5 26. Qa6 Qc2 27. Rd3 Qc1+ 28. Kh2 Qf4+ 29. Kg1 Qe5 30. Rf3 b5 31. Qb7 f5 32. Ra3 Qe1+ 33. Kh2 Qe4 34. Qc7 Ra8 35. Rxa8+ Qxa8 36. Qd6 Qe4 37. Qb8+ Kg7 38. Qxb5 d3 39. Qb2+ Kh6 40. f3 Qf4+ 41. Kg1 d2 0-1

[Event "NED Team-ch 1924/25"]
[Site "Netherlands"]
[Date "1925.02.08"]
[Round "4.3"]
[White "Spaans, DCW"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "76"]
[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 "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. 0-0 Nc6 8. a4 Bb4 9. Nb3 Bxc3 10. bxc3 Nxe4 11. Bd3 Nf6 12. Ba3 d5 13. Qd2 Ne7 14. Nd4 0-0 15. f4 Re8 16. Rae1 b6 17. Nf3 Bb7 18. Ne5 Rad8 19. Qe3 Nf5 20. Qh3 Qxc3 21. Bxf5 Qd4+ 22. Kh1 exf5 23. Qxf5 Bc8 24. Qd3 Qxa4 25. Rb1 Re6 26. Rb4 Qe8 27. Qd4 b5 28. Bb2 Red6 29. f5 Qf8 30. g4 Ne4 31. Rb3 f6 32. Nd3 Rc6 33. Nf4 Qc5 34. Qxc5 Rxc5 35. Rd3 Rxc2 36. Nxd5 Kf7 37. Nb4 Rxd3 38. Nxd3 Rd2 0-1

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

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

[Event "NED Team-ch 1924/25"]
[Site "Netherlands"]
[Date "1924.11.09"]
[Round "1.3"]
[White "Weenink, Henri Gerard"]
[Black "Pannekoek, Johannes Henricius"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "76"]
[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 VAS"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c6 6. Bg2 d5 7. 0-0 Bf5 8. cxd5 cxd5 9. Na3 Nc6 10. Nc2 Qd7 11. Re1 Bxc2 12. Qxc2 Rfc8 13. Rac1 e5 14. Qb1 d4 15. Ng5 Qe7 16. e3 Nd7 17. f4 h6 18. Nf3 dxe3 19. Rxe3 Qd6 20. Rd3 Qe6 21. fxe5 Ndxe5 22. Nxe5 Nxe5 23. Re3 Qb6 24. Rxc8+ Rxc8 25. Qa1 Ng4 26. Bxg7 Nxe3 27. Bd4 Nc2 28. Bxb6 Nxa1 29. Bxa7 Ra8 30. Be3 Rxa2 31. Bxb7 Nxb3 32. Bd5 Rxd2 33. Bxd2 Nxd2 34. Kf2 Kf8 35. Ke2 Nb1 36. Kd3 Na3 37. Bc6 Ke7 38. Kc3 f5 1/2-1/2

[Event "NED Team-ch 1923/24"]
[Site "Netherlands"]
[Date "1924.01.27"]
[Round "3.10"]
[White "Pannekoek, Johannes Henricius"]
[Black "Boedijn, JJ."]
[Result "1/2-1/2"]
[ECO "C83"]
[PlyCount "48"]
[EventDate "1923.11.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Amsterdam VAS"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Re1 Nc5 12. Nf1 Nxb3 13. axb3 b4 14. Ng3 Qd7 15. Bg5 f6 16. exf6 Bxf6 17. Qd3 Bxg5 18. Nxg5 Bf5 19. Nxf5 Qxf5 20. Qxf5 Rxf5 21. Ne6 Rf7 22. Nc5 bxc3 23. bxc3 d4 24. cxd4 Nxd4 1/2-1/2

[Event "NED Team-ch 1923/24"]
[Site "Netherlands"]
[Date "1923.11.18"]
[Round "1.10"]
[White "Pannekoek, Johannes Henricius"]
[Black "Bahnert, A."]
[Result "1-0"]
[ECO "C15"]
[PlyCount "71"]
[EventDate "1923.11.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam NRSV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 Bxc3+ 5. bxc3 exd5 6. Bd3 Qe7+ 7. Ne2 Nf6 8. 0-0 0-0 9. Bg5 Bg4 10. f3 Bh5 11. Nf4 Bg6 12. Nxd5 Qd6 13. Nxf6+ gxf6 14. Bh6 Re8 15. f4 Bxd3 16. Qxd3 Kh8 17. Rf3 Rg8 18. Rh3 Nd7 19. Bg5 Rg7 20. Bh6 Rg6 21. f5 Rg4 22. Rg3 Rxg3 23. Qxg3 Qxg3 24. hxg3 Re8 25. Kf2 c6 26. Re1 Rxe1 27. Kxe1 Nb6 28. Ke2 Nc4 29. Kd3 b5 30. g4 a6 31. d5 cxd5 32. Kd4 Na3 33. Kxd5 Nxc2 34. Kc5 Ne1 35. Kb6 Nxg2 36. Kxa6 1-0

[Event "NED Team-ch 1922/23"]
[Site "Netherlands"]
[Date "1923.04.15"]
[Round "3.9"]
[White "Nieukerke, Karel J"]
[Black "Pannekoek, Johannes Henricius"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "44"]
[EventDate "1922.12.03"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "The Hague DD"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. Re1 d5 6. Bb5 Bc5 7. d4 exd4 8. Nxd4 0-0 9. Be3 Nxd4 10. Bxd4 Bxd4 11. Qxd4 c6 12. Bd3 f5 13. f3 c5 14. Qa4 Nd6 15. c3 c4 16. Be2 Qb6+ 17. Kf1 Ne4 18. fxe4 fxe4+ 19. Bf3 exf3 20. Qc2 Bf5 21. Qf2 fxg2+ 22. Kg1 Bh3 0-1

[Event "NSB Bondswedstrijden 1A"]
[Site "Nijmegen"]
[Date "1921.08.03"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Van der Steeg, J."]
[Result "1-0"]
[ECO "B56"]
[PlyCount "27"]
[EventDate "1921.08.01"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Ng4 7. Bb5 Qc7 8. Nd5 Qd7 9. Bd2 e6 10. Nb4 Nf6 11. Nbxc6 a6 12. Ne5 Qxb5 13. Nxb5 axb5 14. Nf3 1-0

