[Event "NED-ch01 corr"]
[Site "Netherlands"]
[Date "1967.??.??"]
[Round "?"]
[White "Van Kol, JWA"]
[Black "Sijbolts, R."]
[Result "1-0"]
[ECO "D49"]
[PlyCount "71"]
[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 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3 Bb4+ 14. Ke2 Qd5 15. Qxd5 Nxd5 16. Nc6 0-0 17. Nxd4 Bc5 18. Nb3 Bb6 19. Bxb5 Nb4 20. a3 Bb7 21. Bd2 Nc2 22. Rac1 Nd4+ 23. Nxd4 Bxd4 24. Bc3 Bxc3 25. Rxc3 Bxg2 26. Rhc1 Rab8 27. Rc5 Rfd8 28. f3 Bh3 29. b4 Bf5 30. Ke3 Kf8 31. a4 g5 32. a5 g4 33. a6 Ra8 34. Rc7 Rdb8 35. R1c5 Rxb5 36. Rc8+ 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1960.??.??"]
[Round "?"]
[White "Sijbolts, R."]
[Black "Holscher, HGJ"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "80"]
[EventDate "1960.??.??"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Bd6 13. Bg5 Rde8 14. Qe2 Kd7 15. Re1 Qxe1+ 16. Nxe1 Rxe6 17. Qg4 h6 18. Bd2 g5 19. Nf3 Rhe8 20. Bxg5 Rg8 21. h4 Rgg6 22. Qh3 hxg5 23. Nxg5 Nb4 24. Nxe6 Rxe6 25. h5 Nxc2 26. g4 Nb4 27. h6 d3 28. h7 Be5 29. h8Q Bxh8 30. Qxh8 Rd6 31. Qg7+ Kc8 32. Qf8+ Rd8 33. Qf5+ Kb8 34. Qf3 Nc6 35. Kf1 d2 36. Qd1 Ne5 37. b3 Nxg4 38. Kg2 Rd4 39. Kf3 Nf6 40. Ke3 c5 0-1

[Event "corr"]
[Site "corr"]
[Date "1959.??.??"]
[Round "?"]
[White "Sijbolts, R."]
[Black "Van der Bosch, F."]
[Result "1/2-1/2"]
[ECO "B58"]
[PlyCount "54"]
[EventDate "1959.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 bxc6 8. 0-0 Be7 9. f4 0-0 10. Qd3 Kh8 11. Qg3 Qc7 12. Be3 Nd7 13. f5 Nf6 14. Rad1 Bb7 15. Bc4 Rfd8 16. Bxf7 d5 17. exd5 cxd5 18. Be6 d4 19. Rxd4 Rxd4 20. Bxd4 Rd8 21. Bxe5 Qc5+ 22. Kh1 Nh5 23. Qg4 Qxe5 24. Qxh5 Bb4 25. Rd1 Rxd1+ 26. Qxd1 Bd6 27. Qg1 Bc5 1/2-1/2

[Event "Reti Blindfold Simul"]
[Site "Den Haag"]
[Date "1919.06.27"]
[Round "?"]
[White "Reti, Richard"]
[Black "Sijbolts, R."]
[Result "1/2-1/2"]
[ECO "C49"]
[PlyCount "76"]
[EventDate "1917.07.27"]
[EventType "simul"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 Bxc3 7. bxc3 d5 8. Bxc6 bxc6 9. Nxe5 Qd6 10. Bf4 Re8 11. Qf3 dxe4 12. dxe4 Rxe5 13. Rad1 Bg4 14. Qg3 Bxd1 15. Bxe5 Nh5 16. Bxd6 Nxg3 17. Bxg3 Bxc2 18. f3 Rb8 19. Bxc7 Rb2 20. Ra1 Rb1+ 21. Rxb1 Bxb1 22. a3 Kf8 23. Bd6+ Ke8 24. Kf2 Kd7 25. Bf8 g6 26. Ke3 Bc2 27. Kd4 Bb3 28. Ke5 h5 29. h4 Bd1 30. Kf6 Ke8 31. Bc5 a6 32. e5 Bb3 33. g4 hxg4 34. fxg4 Bd1 35. Kg5 Kd7 36. h5 gxh5 37. gxh5 Ke6 38. h6 Bc2 1/2-1/2

[Event "Den Haag 1st Class"]
[Site "Den Haag"]
[Date "1919.03.02"]
[Round "?"]
[White "Sijbolts, R."]
[Black "Pape, CW."]
[Result "1-0"]
[ECO "C49"]
[PlyCount "71"]
[EventDate "1919.03.01"]
[EventType "game"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 d6 6. d4 exd4 7. Nxd4 Bd7 8. Bg5 Bxc3 9. bxc3 0-0 10. f4 Nxd4 11. Bxd7 Qxd7 12. Qxd4 c5 13. Qd3 Qe6 14. Rae1 Ne8 15. e5 d5 16. Qb5 b6 17. f5 Qc8 18. f6 Nc7 19. Qe2 g6 20. Bh6 Re8 21. h4 Qa6 22. Qxa6 Nxa6 23. e6 Rad8 24. exf7+ Kxf7 25. Re7+ Rxe7 26. fxe7+ Kxe7 27. Bg5+ Ke8 28. Bxd8 Kxd8 29. Rf7 Nc7 30. Rxh7 a5 31. Rg7 Nb5 32. Rxg6 Nxc3 33. Rxb6 Kc8 34. a3 d4 35. Rb3 c4 36. Rxc3 1-0

