[Event "EU-ch SC-OR/533 email"]
[Site "ICCF email"]
[Date "2023.03.01"]
[Round "?"]
[White "Bruno, Guido"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1176"]
[BlackElo "2095"]
[PlyCount "42"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Qe2 e5 6. Nf5 d5 7. Qb5+ Bd7 8. Qxb7 Nc6 9. exd5 Rb8 10. Qa6 Nb4 11. Qe2 Bxf5 12. Qxe5+ Be7 13. Qxf5 g6 14. c3 gxf5 15. cxb4 Bxb4+ 16. Bd2 0-0 17. Bc4 Bxd2+ 18. Kxd2 Rxb2+ 19. Kc1 Qb6 20. Re1 Qxf2 21. Bd3 Rc8+ 0-1

[Event "EU-ch SC-OR/533 email"]
[Site "ICCF email"]
[Date "2023.03.01"]
[Round "?"]
[White "Cutter, Paul J"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "B51"]
[BlackElo "2095"]
[PlyCount "100"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. 0-0 Nf6 8. c4 g6 9. Nc3 Bg7 10. Bg5 0-0 11. Rfe1 h6 12. Bxf6 Bxf6 13. Qe3 Bg7 14. Rad1 Rc8 15. b3 b5 16. Nd5 bxc4 17. Nb6 Rc6 18. Nxc4 Be6 19. Nd4 Bxd4 20. Rxd4 Bxc4 21. Rxc4 Rxc4 22. bxc4 Qa5 23. a3 Rc8 24. Rc1 Rc5 25. Qc3 Qc7 26. g3 f6 27. Kg2 Kg7 28. h3 Qb7 29. f3 Rc6 30. g4 Rc5 31. h4 Kf7 32. Kg3 h5 33. Qd3 hxg4 34. fxg4 Kg7 35. Rc3 Re5 36. Kf3 f5 37. gxf5 gxf5 38. Qe3 Re6 39. Qd4+ Rf6 40. Ke2 f4 41. Rf3 e5 42. Qd5 Qb2+ 43. Qd2 Qb1 44. Qd3 Qa2+ 45. Qd2 Qxc4+ 46. Qd3 Qc5 47. h5 Rf7 48. h6+ Kh7 49. Qb3 Rc7 50. Rd3 Qg1 0-1

[Event "EU-ch SC-OR/533 email"]
[Site "ICCF email"]
[Date "2023.03.01"]
[Round "?"]
[White "Getka, Kamil"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E08"]
[BlackElo "2095"]
[PlyCount "55"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Nbd7 7. Qc2 c6 8. Bf4 0-0 9. 0-0 b6 10. cxd5 cxd5 11. Rc1 Bb7 12. Bc7 Qe8 13. Qb3 Ne4 14. Nc3 Nxc3 15. Rxc3 Ba6 16. Bf1 Nf6 17. e3 Bxf1 18. Rxf1 Ne4 19. Rc2 Rc8 20. Rfc1 f6 21. Qd3 Qa4 22. Nd2 Nxd2 23. Qxd2 Qxa2 24. Qd1 Qa6 25. Qg4 f5 26. Qd1 Qb7 27. h4 Bf6 28. Qh5 1/2-1/2

[Event "EU-ch SC-OR/533 email"]
[Site "ICCF email"]
[Date "2023.03.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Baltar, Antoni"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2095"]
[PlyCount "59"]
[EventDate "2023.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b5 10. Be2 Bb7 11. e4 e5 12. Rd1 Qc7 13. Bg5 exd4 14. Rxd4 Ne5 15. Bxf6 gxf6 16. g3 Bc5 17. Rd2 Rad8 18. Nh4 Bc8 19. Rad1 Rxd2 20. Qxd2 Qb6 21. Qf4 Kg7 22. Nf5+ Bxf5 23. exf5 Rd8 24. Rxd8 Qxd8 25. Ne4 Qd4 26. Nxc5 Qxc5 27. Qd2 Nc4 28. Qc2 Qd4 29. Bxc4 bxc4 30. Kg2 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Jonsson, Lars"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2236"]
[BlackElo "2025"]
[PlyCount "143"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bb7 12. Nc2 Nb8 13. Nce3 0-0 14. h4 Nd7 15. Qf3 Be7 16. Rd1 Nf6 17. Nxf6+ Bxf6 18. Bd3 Bc8 19. Bc2 Rb8 20. Bb3 a5 21. a3 b4 22. cxb4 axb4 23. a4 Be6 24. Nd5 Be7 25. Ra1 Ra8 26. g3 Kh8 27. 0-0 f5 28. exf5 Bxf5 29. Qe3 Bf6 30. Rfd1 Qb8 31. a5 Bd8 32. a6 Be6 33. Rd2 Ra7 34. Bc4 Bxd5 35. Bxd5 Bb6 36. Qd3 Bc5 37. h5 Qe8 38. Kg2 Qc8 39. Rc2 Qg4 40. f3 Qg5 41. b3 Qf6 42. Be4 Qh6 43. Rf1 Raf7 44. Rc4 Re7 45. Bd5 Rfe8 46. Bb7 g6 47. hxg6 Qxg6 48. Be4 Qg5 49. Bd5 Rg7 50. Rg4 Qf6 51. Qb5 Rge7 52. Rh1 e4 53. Rxe4 Qb2+ 54. Kh3 Rxe4 55. Bxe4 Qe5 56. Qd7 Re7 57. Qc8+ Re8 58. Qf5 Qxf5+ 59. Bxf5 Kg7 60. Be4 Re7 61. Rc1 Ra7 62. Bb7 h6 63. Kg4 Kg6 64. Re1 h5+ 65. Kh4 Bd4 66. Re6+ Bf6+ 67. Kh3 d5 68. Rd6 d4 69. Rd7 Kh6 70. f4 Bg7 71. Rd6+ Kh7 72. Kh4 1-0

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Kurbasov, Sergey Aleksandrovi"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2191"]
[BlackElo "2025"]
[PlyCount "133"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. b3 b6 9. Bc3 Bb7 10. Nbd2 Nbd7 11. Rc1 Rc8 12. e3 dxc4 13. Nxc4 Rc7 14. Nfe5 Qa8 15. Bb2 Rfc8 16. Nxd7 Rxd7 17. Ne5 Rdc7 18. Nd3 c5 19. Bxb7 Qxb7 20. dxc5 bxc5 21. Bxf6 Bxf6 22. Rc4 Be7 23. Qe2 Rd8 24. Rfc1 Qd5 25. R1c3 f5 26. e4 fxe4 27. Nf4 Qd1+ 28. Qf1 Rcd7 29. Rxe4 e5 30. Ne6 Qd5 31. Qc4 Rc8 32. b4 a5 33. a3 axb4 34. axb4 Rc6 35. Rxe5 Qxe5 36. Nd4+ Qd5 37. Nxc6 Qxc4 38. Rxc4 Bf8 39. bxc5 Rc7 40. Ne5 Rxc5 41. Re4 Bd6 42. Nc4 Bc7 43. h4 h5 44. Kg2 Kf7 45. Nd2 Rd5 46. Nf3 Bd8 47. Ra4 Ra5 48. Rb4 Bf6 49. Rb7+ Ke6 50. Ng1 Bc3 51. Nh3 Be5 52. Ng5+ Kf6 53. Rf7+ Kg6 54. Rb7 Ra6 55. Rb5 Bc7 56. Nh3 Bd6 57. Rb7 Be5 58. Kf3 Kf6 59. Rb5 g6 60. Rb7 Ra3+ 61. Ke4 Ra5 62. Ng5 Ra4+ 63. Kd5 Ra5+ 64. Ke4 Ra4+ 65. Kf3 Bd4 66. Ne4+ Ke6 67. Ng5+ 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Borisovs, Leonids"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2025"]
[BlackElo "2330"]
[PlyCount "61"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 a6 10. e4 e5 11. Rd1 Qc7 12. h3 b5 13. Bb3 exd4 14. Nxd4 Re8 15. Bg5 Bh2+ 16. Kh1 Be5 17. Nf5 Nc5 18. Bxf6 gxf6 19. Nd4 Qb6 20. Nce2 Ra7 21. Rac1 Nxb3 22. axb3 Rd7 23. Nxc6 Qxf2 24. Nxe5 fxe5 25. Kh2 Rxd1 26. Qxd1 Kh8 27. Rc3 Be6 28. Qc1 Rg8 29. Ng3 b4 30. Rf3 Qb6 31. Rd3 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Cakars, John"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2025"]
[BlackElo "1918"]
[PlyCount "69"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 d6 6. e3 c5 7. Be2 h6 8. Bxf6 Bxf6 9. Rc1 Bg7 10. 0-0 Qa5 11. a3 Nc6 12. d5 Nb8 13. Nd2 Qc7 14. f4 Nd7 15. Qe1 Qb6 16. Rc2 Nf6 17. Qg3 Rb8 18. e4 Re8 19. e5 Bf5 20. exf6 Bxc2 21. fxg7 Qxb2 22. Qe3 Kxg7 23. Bg4 Qxa3 24. f5 Rf8 25. h4 Rbe8 26. Kh2 a6 27. fxg6 f5 28. Be2 Ba4 29. Ndb1 Qa1 30. h5 Bd7 31. g4 Qb2 32. g5 Rh8 33. Kg1 hxg5 34. Qxg5 e5 35. dxe6 1-0

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Osterburg, Klaus Juergen"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2025"]
[BlackElo "2343"]
[PlyCount "47"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Bf4 Qc7 11. Bxd6 Qxd6 12. h3 0-0 13. Qc2 g6 14. a3 Ne8 15. Rfe1 Qc7 16. Rac1 Qd8 17. b4 Nd6 18. Na4 Re8 19. Nc5 Qf6 20. Nxd7 Bxd7 21. Be2 Bf5 22. Qb3 Ne4 23. Qb2 Rec8 24. a4 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Perry, William E"]
[Result "1/2-1/2"]
[ECO "A94"]
[WhiteElo "2025"]
[BlackElo "2304"]
[PlyCount "41"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 f5 2. g3 e6 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. c4 d5 7. b3 Ne4 8. Ba3 Nd7 9. Bxe7 Qxe7 10. Qc2 c6 11. Nc3 b6 12. e3 a5 13. Ne5 Nxe5 14. dxe5 Ba6 15. Rfc1 Rad8 16. Rd1 h6 17. Rac1 Nxc3 18. Qxc3 dxc4 19. bxc4 c5 20. Qb3 Rxd1+ 21. Rxd1 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Steward Anderson, Tony"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2025"]
[PlyCount "45"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Nc6 7. Bg5 Qa5 8. Bxf6 dxc4 9. Qxc4 gxf6 10. Rc1 Qxc5 11. Qh4 Ke7 12. g3 Bxc3+ 13. bxc3 b6 14. Bg2 Ba6 15. Nd2 Rac8 16. Ne4 Qe5 17. Rd1 Rhd8 18. Rxd8 Nxd8 19. f4 Qf5 20. g4 Qxf4 21. Rf1 Qe3 22. Qxf6+ Kf8 23. Qh8+ 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Tafner, Edson"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2266"]
[BlackElo "2025"]
[PlyCount "187"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 Nd4 6. Nxd4 cxd4 7. d3 Nc6 8. c3 Bc5 9. Nd2 0-0 10. Bxc6 dxc6 11. Nb3 Bb6 12. Nxd4 Bxd4 13. cxd4 Qxd4 14. Qc2 Qd6 15. e5 Qd5 16. d4 Bd7 17. Qd1 f6 18. exf6 Rxf6 19. Re5 Qd6 20. Be3 b6 21. Qe2 Rf5 22. Re4 e5 23. Rd1 exd4 24. Rexd4 Rd5 25. Rxd5 cxd5 26. h3 Bc6 27. Bd4 Re8 28. Qg4 Re7 29. Qc8+ Re8 30. Qg4 Re7 31. Bc3 Qe6 32. Qh4 Qd7 33. Rd3 Re4 34. Qg3 Re7 35. Rd4 Re4 36. Rd3 Re7 37. Bf6 Rf7 38. Be5 Qf5 39. Rf3 Qb1+ 40. Kh2 Qg6 41. Qxg6 hxg6 42. Rc3 Bb5 43. f3 Rf5 44. Rc8+ Rf8 45. Rc1 Rf7 46. Bd4 Kh7 47. b3 Re7 48. h4 g5 49. hxg5 Kg6 50. g4 Kxg5 51. Rc8 Kg6 52. Rg8 Rf7 53. Kg3 Kh7 54. Ra8 g5 55. Kf2 Bd3 56. Rh8+ Kg6 57. Rg8+ Kh6 58. Rc8 Bb1 59. a3 Ba2 60. Rc3 Kg6 61. Kg3 Kh7 62. Re3 Rc7 63. b4 Kg6 64. Re6+ Kf7 65. Rf6+ Ke8 66. Rd6 Bb3 67. Bf6 Rd7 68. Rxd7 Kxd7 69. Bxg5 Ke6 70. Bc1 d4 71. Kh4 a5 72. f4 Kd5 73. Kg5 Ke6 74. f5+ Kf7 75. Bd2 axb4 76. Bxb4 Kg7 77. Kf4 Bd1 78. g5 Be2 79. Bd6 d3 80. Be5+ Kh7 81. g6+ Kh6 82. Bc3 Bd1 83. Ke5 Bc2 84. Kf6 Kh5 85. Bd2 Kg4 86. g7 Bb3 87. Kg6 Kf3 88. f6 Ke2 89. Bg5 Bc2 90. Kf7 d2 91. Bxd2 Kxd2 92. Ke7 Bb3 93. f7 Bxf7 94. Kxf7 1-0

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Trzeciak, Roman"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1937"]
[BlackElo "2025"]
[PlyCount "148"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Be7 11. 0-0 0-0 12. Qe2 Be6 13. f4 exf4 14. Bxf4 Re8 15. Rad1 Qc8 16. Qf2 a5 17. a4 Bf6 18. Nd4 Nxd4 19. cxd4 Bc4 20. c3 Qc6 21. Qc2 Bxd3 22. Rxd3 b5 23. axb5 Qxb5 24. c4 Qb6 25. c5 Qb4 26. Rfd1 a4 27. Qd2 Qc4 28. Qc1 Qd5 29. Be3 h6 30. Ra3 Reb8 31. Bf2 Rb3 32. Qa1 Rab8 33. Rxa4 Rb2 34. Rf1 Qe4 35. Qe1 Qc6 36. Qa5 Bh4 37. g3 Bf6 38. Qa6 Qe4 39. d5 Qxd5 40. Qc4 Qc6 41. h4 Rd8 42. Qe4 Qxe4 43. Rxe4 Rc2 44. Be3 Rd3 45. Rff4 h5 46. Bf2 Rdd2 47. Kf1 Kh7 48. Rf5 Kg6 49. Ref4 Rd1+ 50. Kg2 Rd7 51. Kf3 Re7 52. Rd5 Rc3+ 53. Kg2 Be5 54. Rb4 Rc2 55. g4 hxg4 56. Rxg4+ Kh7 57. Kf3 Rc3+ 58. Kg2 f6 59. Rd2 Rb7 60. Ra2 Kh6 61. Re4 Kh5 62. Ree2 Rc4 63. Rec2 Rbb4 64. Rxc4 Rxc4 65. Kf3 g5 66. hxg5 Kxg5 67. Be3+ Kf5 68. Ra3 Ke6 69. Ra6+ Kd5 70. c6 Rc2 71. Ra5+ Kxc6 72. Ke4 Rc3 73. Bd2 Rc4+ 74. Kf5 Rc2 1/2-1/2

[Event "VW-Cup13 Gr28 email"]
[Site "ICCF email"]
[Date "2021.09.01"]
[Round "?"]
[White "Walther, Joachim"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E25"]
[WhiteElo "2133"]
[BlackElo "2025"]
[PlyCount "91"]
[EventDate "2021.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 9. Qc2 0-0 10. e4 fxe4 11. fxe4 Qh4+ 12. g3 Qf6 13. Bg2 Qxc3+ 14. Qxc3 Nxc3 15. Bf4 Bd7 16. Ne2 Nxe2 17. Kxe2 Nc6 18. Bd6 Nd4+ 19. Kd3 Rf2 20. Bh3 Nb3 21. Rad1 Na5 22. Kc3 Rc8 23. Be7 Rf3+ 24. Kb2 Rf2+ 25. Kb1 Be8 26. Rdf1 Rxf1+ 27. Rxf1 Bf7 28. Rd1 Nc6 29. Bd6 h5 30. Kb2 Rd8 31. Bf1 Bg6 32. Bc4 Bxe4 33. Bxe6+ Kh7 34. Kc3 g5 35. Re1 Bg6 36. Bd5 Rd7 37. h3 Bf7 38. Bg2 Bg6 39. Re2 Kg7 40. Bd5 Bf7 41. Bh1 Bg6 42. g4 Kh7 43. Rd2 hxg4 44. hxg4 Bf7 45. Be4+ Bg6 46. Bf3 1/2-1/2

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Buczinski, Henryk"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "1970"]
[BlackElo "1968"]
[PlyCount "143"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[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. d5 Nc4 13. b3 Nb6 14. Be3 Bd7 15. Bd3 Rfb8 16. c4 bxc4 17. bxc4 Na4 18. Qc2 Rb2 19. Qd1 Bd8 20. Bc2 Rb4 21. Bd2 Nb2 22. Qc1 Rb7 23. Na3 Na4 24. Re3 Rab8 25. Rb3 Nb6 26. Rab1 Nh5 27. Bd3 Ba4 28. R3b2 Nf4 29. Bf1 Ng6 30. Ba5 Qc8 31. Nc2 Bc7 32. Ne3 Nxd5 33. cxd5 Rxb2 34. Rxb2 Bxa5 35. Bxa6 Qe8 36. Qb1 Rb4 37. Nd2 Rxb2 38. Qxb2 Bc7 39. Qb7 Qb8 40. Qxb8+ Bxb8 41. Ndc4 Kf8 42. Nb6 Be8 43. a4 Nf4 44. Kf1 Ke7 45. Bb5 g6 46. Nbc4 Bd7 47. f3 Kd8 48. Bxd7 Kxd7 49. Na3 Nd3 50. Nb5 Nb4 51. g4 f6 52. Ke1 Bc7 53. Ke2 Na6 54. Kd3 c4+ 55. Kxc4 Bb6 56. Nc2 Bc5 57. Nc3 Kc7 58. a5 Kb7 59. Nb5 Kc8 60. Ne1 Nb4 61. Na7+ Kb7 62. Nc6 Nxc6 63. dxc6+ Kxc6 64. Nc2 Kb7 65. Kb5 h5 66. Nb4 hxg4 67. hxg4 Bf2 68. a6+ Kc8 69. Kc6 Be3 70. Nd5 Ba7 71. Nxf6 Kd8 72. Kxd6 1-0

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Corujedo Hernandez, Rafael"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2219"]
[BlackElo "1968"]
[PlyCount "109"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. 0-0 d6 8. Nbd2 0-0 9. h3 h6 10. Re1 Ne7 11. Nf1 Ng6 12. Ng3 c6 13. d4 Re8 14. a4 Qc7 15. Be3 Bd7 16. a5 c5 17. Qc1 c4 18. Bc2 Bc8 19. b4 exd4 20. cxd4 Be6 21. Ra3 Rac8 22. Ba4 Re7 23. Bxh6 gxh6 24. Qxh6 Qd8 25. e5 dxe5 26. dxe5 Qf8 27. Qxf8+ Kxf8 28. exf6 Rec7 29. Ne2 c3 30. Bc2 Bd5 31. Ng5 Re8 32. Raa1 Rcc8 33. Bf5 c2 34. Bxc8 Rxc8 35. Rec1 Bb8 36. Nd4 Bf4 37. Rxc2 Rxc2 38. Nxc2 Bxg5 39. Rd1 Nf4 40. Ne3 Bc6 41. Rd8+ Be8 42. Ng4 Ne2+ 43. Kf1 Nf4 44. h4 Ne6 45. Rc8 Bxh4 46. g3 Bg5 47. f4 Nxf4 48. gxf4 Bxf4 49. Kf2 Bd6 50. Ke3 Bxb4 51. Ne5 Bxa5 52. Nd7+ Kg8 53. Kf4 Bd2+ 54. Kf5 Kh7 55. Rxe8 1-0

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Dumitru, Ionel"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1647"]
[BlackElo "1968"]
[PlyCount "74"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bc4 d6 7. Qf3 Nf6 8. Bg5 Bd7 9. 0-0 0-0 10. Bxf6 Qxf6 11. Qxf6 gxf6 12. c3 Rfe8 13. Nd2 Rab8 14. b3 Kg7 15. h3 f5 16. exf5 Ba3 17. Rae1 Bxf5 18. Nf3 Bg6 19. Nd4 d5 20. Nxc6 dxc4 21. Nxb8 Rxb8 22. Re3 cxb3 23. c4 b2 24. Rxa3 b1Q 25. Rxb1 Rxb1+ 26. Kh2 Rc1 27. Ra4 Bf5 28. Kg3 Be6 29. Rxa7 Rxc4 30. a4 Kf6 31. f3 Ke5 32. Ra8 c5 33. a5 Ra4 34. Ra7 c4 35. Ra8 c3 36. Ra7 c2 37. Rc7 Rc4 0-1

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Sirotti, Claudio"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2113"]
[BlackElo "1968"]
[PlyCount "73"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 0-0 10. Be3 Bg4 11. h3 Bh5 12. Qc2 Ba5 13. 0-0 Bxf3 14. gxf3 Nxc3 15. bxc3 Qd7 16. Kh2 Nxd4 17. cxd4 Qxb5 18. Rab1 Qd7 19. f4 f6 20. Rg1 Rf7 21. Rxb7 Bb6 22. Rc1 g6 23. Qc6 Qxc6 24. Rxc6 f5 25. Kg3 Rff8 26. a4 Rab8 27. Rxb8 Rxb8 28. h4 Kf7 29. Rf6+ Kg8 30. h5 Kg7 31. Kh2 Rh8 32. Kg2 Ra8 33. Kf3 Rb8 34. Rc6 Rc8 35. Ke2 gxh5 36. Kf3 Rg8 37. Rf6 1/2-1/2

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Adams, John Dain"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1968"]
[BlackElo "2401"]
[PlyCount "112"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5 exd5 9. 0-0 0-0 10. Nc3 Re8 11. Ne5 Bb7 12. Rc1 Nbd7 13. Bf4 Nf8 14. Qd3 Ne6 15. Rfd1 c6 16. Be3 Rc8 17. f4 Ba3 18. Rc2 c5 19. dxc5 Nxc5 20. Bxc5 Rxc5 21. e4 Qc8 22. exd5 Nxd5 23. Bxd5 Bxd5 24. b4 Bc4 25. Nxc4 Rxc4 26. Re2 Rf8 27. Nb5 Bxb4 28. Nxa7 Bc5+ 29. Kg2 Qb7+ 30. Qd5 Qa6 31. Rb2 Ba3 32. Rf2 Qa4 33. Qd7 Ra8 34. Qxa4 Rxa4 35. Nb5 Bc5 36. Nc7 Bxf2 37. Nxa8 Kf8 38. Kxf2 Rxa2+ 39. Ke3 Rxa8 40. Rb1 Rb8 41. Ke4 b5 42. Rb4 Ke7 43. Ke5 h5 44. h3 Rb6 45. g4 hxg4 46. hxg4 Rb8 47. Kd5 Kf6 48. Kd6 Rd8+ 49. Kc7 Rd3 50. Rxb5 Rd4 51. Rf5+ Kg6 52. Rg5+ Kh7 53. f5 g6 54. f6 Kh6 55. Re5 g5 56. Re3 Rxg4 0-1

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Audie, Alain"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1968"]
[BlackElo "2300"]
[PlyCount "74"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 Re8 10. a4 Nc6 11. f4 h6 12. Be3 exf4 13. Bxf4 Bf8 14. Nd4 Nxe4 15. Nxe4 Rxe4 16. Nxc6 bxc6 17. Bd3 Re6 18. Qf3 Qe8 19. Bd2 Ra7 20. Qg3 d5 21. b4 Bd6 22. Qf2 Rae7 23. Rab1 Qd8 24. h3 Qc7 25. Qh4 Be5 26. a5 Bf6 27. Qg4 Be5 28. Qf5 g6 29. Qf2 Bg7 30. Qh4 Kh7 31. Bf4 Qd7 32. Bg5 Re8 33. Bf6 Qd6 34. Bxg7 Kxg7 35. Qd4+ f6 36. Rf3 h5 37. Rbf1 Rf8 1/2-1/2

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Brudnak, Jozef"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "1968"]
[BlackElo "2321"]
[PlyCount "122"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. dxc5 Nxc5 13. Bb5+ Nd7 14. Bg5 Qa5 15. Bxd7+ Kxd7 16. 0-0 Be7 17. b3 h6 18. Bxe7 Kxe7 19. Nd2 Nf4 20. Nc4 Qd5 21. Qxd5 Bxd5 22. Ne3 Rhd8 23. Rfd1 Rac8 24. Nb2 Rc3 25. Na4 Rc7 26. Nb2 g5 27. g3 Ne2+ 28. Kf1 Bf3 29. Rxd8 Kxd8 30. Rd1+ Ke7 31. Nec4 Nc3 32. Ra1 Nb5 33. h3 Nd4 34. Re1 h5 35. Nd3 Bd5 36. Rc1 Bxc4 37. Rxc4 Rxc4 38. bxc4 a5 39. Ke1 Kd7 40. Kd2 Kc6 41. Ke3 Nc2+ 42. Kd2 Na3 43. Nb2 Nb1+ 44. Kc2 Nc3 45. Kb3 Ne4 46. Nd3 Nd2+ 47. Ka4 Nxc4 48. f4 h4 49. gxh4 gxh4 50. Ne1 Kd5 51. Kb5 Nd2 52. Ng2 b3 53. axb3 Nxb3 54. Nxh4 Ke4 55. Ng2 Nd4+ 56. Kc4 Ne2 57. Kb5 Nxf4 58. Ne1 Nxh3 59. Kxa5 Kxe5 60. Kb4 Nf4 61. Kc3 Ke4 0-1

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Mcdermott, Frank J"]
[Result "0-1"]
[ECO "D49"]
[WhiteElo "1968"]
[BlackElo "2364"]
[PlyCount "118"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 gxf6 13. 0-0 Qb6 14. Qe2 b4 15. Rd1 Bc5 16. Bf4 h5 17. Bg3 Kf8 18. Rd2 Bb7 19. b3 Rd8 20. Be4 Ba6 21. Bd3 Bxd3 22. Qxd3 Kg7 23. Rc2 Nf8 24. a4 bxa3 25. Rxa3 Bxa3 26. Bc7 Qb4 27. Bxd8 e5 28. Rc4 Qd6 29. Bc7 Qd5 30. Nh4 Ng6 31. Nf5+ Kh7 32. g3 Bc5 33. Qd2 Kg8 34. Nh6+ Rxh6 35. Qxh6 h4 36. Qh5 d3 37. Ba5 Bxf2+ 38. Kxf2 Qxa5 39. Qh6 Qa2+ 40. Kg1 Qa8 41. Rc1 f5 42. gxh4 f4 43. Qg5 Qe4 44. Rc8+ Kh7 45. h5 Qe1+ 46. Kg2 Qe2+ 47. Kg1 Nh4 48. Qg8+ Kh6 49. Rc6+ Kxh5 50. Qxf7+ Kg4 51. Qg8+ Kh3 52. Qc8+ Qg4+ 53. Qxg4+ Kxg4 54. Kf2 e4 55. Re6 d2 56. Ke2 e3 57. Kd1 f3 58. Re4+ Kf5 59. Rxe3 f2 0-1

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Petukhov, Viktor Stepanovich"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1968"]
[BlackElo "2171"]
[PlyCount "83"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 Be7 12. g3 0-0-0 13. 0-0-0 Bb4 14. Kd2 Nb6 15. a3 Bxc3+ 16. Kxc3 Kb8 17. Kd2 Rhe8 18. Rc1 Nc8 19. Be2 Nd6 20. Rhd1 a6 21. Ke1 Ka7 22. a4 Re7 23. b4 Be4 24. f3 Bg6 25. Kf2 Kb6 26. Ng2 h6 27. h4 Ne8 28. Rd2 Ng7 29. Nf4 Ne6 30. Bf1 Nxf4 31. exf4 f5 32. Rb2 Re6 33. a5+ Kc7 34. b5 axb5 35. Rxb5 Red6 36. Rc3 Rc8 37. Bd3 Ra8 38. Rcc5 Ra7 39. Rb1 h5 40. Ra1 Re6 41. Bf1 Re8 42. Rac1 1/2-1/2

[Event "VW-Cup12 Gr35 email"]
[Site "ICCF email"]
[Date "2019.09.01"]
[Round "?"]
[White "Storkebaum, Karl Heinrich"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "D49"]
[WhiteElo "2221"]
[BlackElo "1968"]
[PlyCount "58"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 gxf6 13. 0-0 Qb6 14. Be4 Bb7 15. Bxb7 Qxb7 16. Nxd4 Rg8 17. g3 Bc5 18. Nf3 Rg4 19. Re1 Re4 20. Qd3 Rxe1+ 21. Nxe1 Ne5 22. Qxh7 Qd5 23. Qc2 Rd8 24. Qe2 Bb4 25. Bf4 Bxe1 26. Bxe5 Bxf2+ 27. Kxf2 Qc5+ 28. Kf1 fxe5 29. Re1 Rd5 1/2-1/2

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Daatselaar, Jan Bart Van"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "2211"]
[BlackElo "1994"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 c4 11. dxe6 fxe6 12. Bc2 Qc7 13. 0-0 Bc5 14. Qe2 Ne5 15. Nxe5 Qxe5 16. Kh1 0-0 17. f4 Qh5 18. Qxh5 Nxh5 19. e5 g5 20. f5 exf5 21. Bxg5 Bd4 22. Be7 Rf7 23. Bd6 f4 24. Rad1 Bxc3 25. bxc3 Bb7 26. Rd4 f3 27. g3 Ng7 28. Kg1 Ne6 29. Rg4+ Rg7 30. Bf5 Re8 31. h4 h5 32. Rg6 Nf8 33. Rxg7+ Kxg7 34. Kf2 Ba8 35. Re1 Ne6 36. Rg1 Bc6 37. g4 Nf4 38. gxh5+ Kh8 39. e6 Nd3+ 40. Kf1 b4 41. cxb4 Ba4 42. Rg6 Bb5 43. a4 Bxa4 44. Bc7 Rf8 45. Be4 Be8 46. Rg5 Rf6 47. Bb6 Nf4 48. Bd4 Nxh5 49. Kf2 a5 50. bxa5 1-0

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Groot, Peter"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2232"]
[BlackElo "1994"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. 0-0 c6 11. f3 Be6 12. Rad1 Rc8 13. e4 c5 14. e5 N6d7 15. Bxe7 Qxe7 16. f4 Nb6 17. Nb5 cxd4 18. Qd2 Bg4 19. b3 Bxe2 20. Qxe2 Rcd8 21. Qg4 Qb4 22. Qg3 a6 23. a3 Qe7 24. Nxd4 Qxa3 25. Bb1 Ne6 26. Nf5 Qb4 27. Nh6+ Kf8 28. f5 Nd4 29. Kh1 Ne2 30. Qg5 gxh6 31. Qxh6+ Ke7 32. e6 f6 33. Qg7+ Kd6 34. Qxf6 Rb8 35. Rde1 Nd7 36. Qg7 Re7 37. Qg5 h6 38. Qe3 Nc3 39. Rf4 Qxb3 40. f6 Nxf6 41. Qe5+ Kc6 42. Qxb8 Re8 43. Qe5 Nd7 44. Qh5 Re7 45. Qh4 Qa3 46. exd7 1-0

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Koopmans, Perry"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1849"]
[BlackElo "1994"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Be2 Bb7 10. h4 g4 11. Ne5 h5 12. 0-0 Nbd7 13. Qc2 Nxe5 14. Bxe5 Bg7 15. Rfd1 0-0 16. g3 Ne8 17. a4 a6 18. Qc1 f6 19. Bf4 Qe7 20. Bf1 e5 21. Be3 exd4 22. Bxd4 Nc7 23. Bb6 Ne6 24. Qe3 f5 25. exf5 Rxf5 26. Bd4 Bf8 27. Bb6 Qf6 28. Rd7 Bc8 29. Rdd1 Rb8 30. Ba7 Rb7 31. axb5 axb5 32. Bg2 b4 33. Bxc6 bxc3 34. Bxb7 Bxb7 35. Qxc3 Qxc3 36. bxc3 Rb5 37. Re1 Kf7 38. Ra4 Rb3 39. Rxc4 Ra3 40. Be3 Ra8 41. Rd1 Kf6 42. f4 gxf3 43. Bf2 Be7 44. Rd2 Ra1+ 45. Kh2 Kg6 0-1

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Laan, Aad"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2208"]
[BlackElo "1994"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 0-0 10. Be3 Bg4 11. h3 Bxf3 12. gxf3 Nxc3 13. bxc3 f6 14. f4 Ne7 15. Qg4 f5 16. Qg5 Rf7 17. Be2 Qd7 18. Bh5 g6 19. Be2 Qa4 20. h4 Rg7 21. Rh3 Rc8 22. Qf6 c5 23. h5 Rf7 24. Qg5 h6 25. Qxh6 Rh7 26. Qg5 Ba5 27. Kf1 Bxc3 28. Rb1 Rc7 29. dxc5 Qxa2 30. Rd1 Rg7 31. hxg6 Rc6 32. Qh6 Rcxg6 33. Qh8+ Kf7 34. Rg3 Bb4 35. Rxg6 Rxg6 36. Bb5 Rc6 37. Kg2 Rg6+ 38. Kf3 Nc6 39. Rh1 d4 40. Bxc6 bxc6 41. e6+ Kxe6 42. Qe5+ Kd7 43. Rh7+ 1-0

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Blankert, Philippe"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1994"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. 0-0 Be7 9. b3 dxc4 10. bxc4 c5 11. Qe2 0-0 12. Bb2 Qc7 13. Rfd1 cxd4 14. exd4 Rfe8 15. Ng5 Rad8 16. Nge4 a6 17. Rab1 h6 18. Bc1 Nxe4 19. Nxe4 Nf6 20. Nxf6+ Bxf6 21. Be3 g6 22. Qb2 Re7 23. f3 Rd6 24. Bf1 Qd8 25. Qf2 Red7 26. d5 exd5 27. Rxb6 Rxb6 28. Bxb6 Qc8 29. Qd2 Kh7 30. Qf4 Bg5 31. Qe5 Re7 32. Qc3 Bf4 33. Qb4 Qe6 34. Bf2 Be3 35. cxd5 Bxf2+ 36. Kxf2 Qe3+ 37. Kg3 Re5 38. h4 Bxd5 39. Bxa6 Bxa2 40. Bb7 Be6 41. Be4 Rc5 42. Qb2 Rc3 43. Qd2 h5 44. Qxe3 Rxe3 1/2-1/2

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Kemperman, Hans"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1994"]
[BlackElo "1718"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Ne4 5. e3 Nxc3 6. bxc3 Bg4 7. cxd5 cxd5 8. Rb1 b6 9. h3 Bd7 10. c4 dxc4 11. Bxc4 e6 12. d5 Bc5 13. Ne5 0-0 14. Nxd7 Nxd7 15. dxe6 Ne5 16. exf7+ Nxf7 17. Bd5 Rc8 18. 0-0 Kh8 19. Qh5 Rc7 20. Bb2 Qe7 21. Rbd1 Ng5 22. h4 Ne6 23. Be5 Rf7 24. Be4 Nf8 25. Bxc7 Qxc7 26. Qd5 1-0

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Van Dam, Joost"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "1994"]
[BlackElo "2069"]
[PlyCount "135"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 a6 8. Bd3 Bg4 9. h3 Bxf3 10. Qxf3 Bg7 11. 0-0 0-0 12. a3 Rc8 13. Rfd1 h6 14. Rd2 e6 15. Rc1 Nd7 16. Qd1 Nb6 17. Rdc2 Qd7 18. b3 Rfd8 19. Ne2 e5 20. dxe5 Nxe5 21. a4 Nbc4 22. Bxe5 Nxe5 23. Rxc8 Rxc8 24. Rxc8+ Qxc8 25. Bb1 Qc5 26. Nf4 d4 27. exd4 Qd6 28. Ne2 Nc6 29. d5 Nd4 30. Be4 Nxe2+ 31. Qxe2 Qb4 32. d6 Qxd6 33. Bxb7 a5 34. g3 Bd4 35. Kg2 Qf6 36. Bf3 Kg7 37. Qc4 Bb6 38. Qe2 Qd4 39. h4 h5 40. Ba8 Qf6 41. Qd2 Qd4 42. Qe2 Bc5 43. Qc2 Bb6 44. Bc6 Qc5 45. Qb2+ Qd4 46. Qxd4+ Bxd4 47. Bb7 Bc5 48. Ba6 Kf6 49. Bd3 Bb6 50. Bc2 Bc5 51. Bd3 Bb6 52. Bc2 Bc5 53. Bd3 Bb4 54. Be4 Ba3 55. Bc2 Bf8 56. Bd3 Be7 57. Be2 Ke5 58. Bd3 Ke6 59. Be4 Ba3 60. Bc6 Bb4 61. Kf1 Kd6 62. Bb5 Bc5 63. Bc4 Ke7 64. Be2 Ke6 65. Bb5 Ke7 66. Kg2 Kf6 67. f3 Bb4 68. Kf2 1/2-1/2

[Event "NED-ch 2018 prel/D email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Weseman, G Frans J"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1994"]
[BlackElo "2073"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss (corr)"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 a6 9. 0-0 0-0 10. Rd1 b5 11. Bd3 Bb7 12. Ng5 g6 13. Nge4 Bb8 14. Nxf6+ Nxf6 15. Ne4 Nxe4 16. Bxe4 Qe7 17. Bd2 a5 18. g3 Rc8 19. Bg2 Bd6 20. Be1 c5 21. d5 Bxd5 22. Bxd5 exd5 23. Rxd5 Qe6 24. Rad1 Bf8 25. e4 a4 26. Kg2 h5 27. h3 a3 28. b3 c4 29. f3 cxb3 30. Qxb3 b4 31. g4 Ra6 32. R1d2 Rac6 33. Bf2 Rc1 34. Qd3 Bh6 35. g5 Bg7 36. Qb3 Be5 37. Rd1 Kg7 38. Rxc1 Rxc1 39. Qd3 Kh7 40. Qb3 Bc3 41. h4 Kg7 42. Qa4 Rb1 43. Qa8 Rb2 44. Qa7 Rxa2 45. Qc5 Qxd5 46. Qxd5 Rd2 47. Qa5 a2 0-1

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Hildebrand, Gerald"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D54"]
[WhiteElo "2342"]
[BlackElo "2040"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Rc1 c5 8. dxc5 dxc4 9. Bxc4 Qxd1+ 10. Rxd1 Nbd7 11. Nge2 Nxc5 12. Nd4 Bd7 13. 0-0 Rfd8 14. Be2 Rac8 15. Rc1 e5 16. Nf3 Bg4 17. h3 Bxf3 18. Bxf3 g5 19. Bg3 e4 20. Be2 Rd2 21. Be5 Kf8 22. Bc4 Rdd8 23. Ne2 Ncd7 24. Bd4 Bc5 25. Bc3 Be7 26. Ng3 Rxc4 27. Bxf6 Rdc8 28. Bc3 Nf6 29. Nf5 h5 30. Rcd1 R8c5 31. Nd6 Bxd6 32. Rxd6 Nd5 33. Bd4 Ra5 34. f3 Ke7 35. Rh6 exf3 36. Rxf3 Rc1+ 37. Kh2 Rc6 38. Rxc6 bxc6 39. Rf5 Rxa2 40. Rxg5 Nf6 41. Rf5 Nd7 42. Rxh5 c5 43. Bc3 a5 44. Rh6 f6 45. Rh8 Nb6 46. Bxf6+ Kxf6 47. Rh6+ Ke5 48. Rxb6 Ra4 49. Ra6 c4 50. g4 Ke4 51. h4 Ra2 52. Kg3 Rxb2 53. Rc6 Kd5 54. Rc8 a4 55. h5 Rb1 56. h6 Rh1 57. g5 a3 58. Ra8 c3 59. Rxa3 Kc4 60. Ra7 c2 61. Rc7+ Kd3 62. Kg4 Kd2 63. Kf5 c1Q 64. Rxc1 Rxc1 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Kolanek, Roman"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2275"]
[BlackElo "2040"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Re1 Bg4 9. Nbd2 Bb6 10. a4 Bh5 11. b4 a6 12. Ne4 f6 13. a5 Ba7 14. Bd2 Bf7 15. Bb3 Qd7 16. Ba4 Qc8 17. c4 Nf4 18. Bxf4 exf4 19. Bxc6 bxc6 20. c5 Qf5 21. Nc3 Rad8 22. Re4 Qd7 23. d4 Rb8 24. Qa4 Rfe8 25. Rxf4 Qe6 26. Nd2 Bg6 27. g3 h6 28. Rd1 Bh5 29. Rc1 Rbd8 30. Qc2 Bf7 31. Re4 Qc8 32. Rxe8+ Rxe8 33. Nf1 Qe6 34. Ne3 Qb3 35. Qd3 Qxb4 36. Rb1 Qxa5 37. Nc4 Bxc4 38. Qxc4+ Kh7 39. Kg2 Rf8 40. Re1 Qa3 41. Re7 a5 42. Ne2 Qb2 43. Qd3+ f5 44. Nf4 Qb8 45. Ne6 Rf6 46. Rxg7+ Kh8 47. Re7 Qb5 48. Qe3 Qc4 49. Nf4 Kg8 50. Re8+ Kh7 51. Qe5 Qf7 52. Re7 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Papenfuss, Ingo"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2500"]
[BlackElo "2040"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5 9. Qe4 g6 10. c4 Bb7 11. Nc3 0-0 12. Rd1 d6 13. Bf4 Re8 14. c5 d5 15. Qb4 Rb8 16. e6 fxe6 17. Qa5 Rc8 18. Ne4 Rf8 19. Be5 Nh6 20. Ned2 Nf7 21. Qxa7 Rb8 22. Re1 Bh4 23. Bd4 e5 24. Bxe5 Nxe5 25. Rxe5 Bf6 26. Re3 Qc8 27. Rb3 Ba8 28. h3 Rxb3 29. Nxb3 Bxb2 30. Re1 Bf6 31. Qa5 Qf5 32. Qxc7 Bg7 33. Qe7 Bc3 34. Re2 Qf7 35. Qe3 Bf6 36. Nbd4 Bb7 37. a4 Bg7 38. a5 Ba6 39. Re1 Bb7 40. Ng5 Qd7 41. Qe6+ Qxe6 42. Ndxe6 Re8 43. Rb1 Bc8 44. Nc7 Re7 45. Rb8 Rxc7 46. Ne6 Ra7 47. Rxc8+ Kf7 48. Nd8+ Kf6 49. Nxc6 Ra6 50. Rb8 Ke6 51. Rb6 Ra8 52. a6 Bf8 53. Nd4+ Kd7 54. Ne6 Be7 55. Kf1 Bf6 56. f4 Be7 57. Ke2 Bh4 58. g4 Kc8 59. g5 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Schreiber, Eitan"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2341"]
[BlackElo "2040"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 Nc6 7. Rc1 Nh5 8. Bg3 a6 9. a3 g6 10. Qc2 Nxg3 11. hxg3 Na5 12. cxd5 exd5 13. Bd3 Re8 14. Ne2 Bd6 15. Nf4 Be6 16. Ke2 Bg4 17. Rh6 f5 18. Nxg6 Qg5 19. Rch1 hxg6 20. Kf1 Bxf3 21. gxf3 Kf8 22. f4 Qf6 23. g4 Ke7 24. Bxf5 Rh8 25. Rh7+ Rxh7 26. Rxh7+ Kd8 27. Bxg6 Kc8 28. Bf7 Kb8 29. g5 Qe7 30. g6 Ka7 31. Bxd5 Qe8 32. a4 Nc6 33. Bxc6 Qxc6 34. Qxc6 bxc6 35. f5 Rg8 36. e4 Bf8 37. e5 Kb7 38. e6 Bg7 39. e7 Bxd4 40. g7 Bxb2 41. Rh8 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Aannevik, Bjarne"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2040"]
[BlackElo "1315"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d6 6. Nc3 a6 7. e4 Nbd7 8. e5 dxe5 9. dxe5 Ng4 10. 0-0-0 0-0 11. h3 Nh6 12. Bd3 f6 13. exf6 Qxf6 14. Ng5 Qxf2 15. Nxe6 Qxd2+ 16. Rxd2 Rf7 17. c5 Nf8 18. Ng5 Rd7 19. Bc4+ 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Belanoff, Stuart"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2040"]
[BlackElo "2231"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nh6 6. Nf3 cxd4 7. Nxd4 Nc6 8. Bb5 Bd7 9. Bxc6 bxc6 10. 0-0 Be7 11. Bxh6 gxh6 12. Qg4 Qb6 13. Qg7 Rf8 14. Nb3 0-0-0 15. Qxh6 Rde8 16. Qxh7 Qc7 17. f4 f6 18. exf6 Rxf6 19. g3 e5 20. fxe5 Qxe5 21. Rfe1 1/2-1/2

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Dushkin, Dmitry Alekseevich"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2040"]
[BlackElo "2230"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 Nc6 10. d5 Ne7 11. h3 Nh6 12. 0-0 g5 13. Bg3 Ng6 14. Qb3 Nf4 15. Bxf4 gxf4 16. Rfd1 b6 17. Qc2 Bd7 18. Bd3 Qe8 19. Nb5 Qd8 20. a4 a5 21. Nh4 Rc8 22. Ra3 Kh8 23. Qd2 f5 24. Nxf5 Nxf5 25. exf5 Bxf5 26. Bxf5 Rxf5 27. Rf3 Qg5 28. Nc3 Rg8 29. Kh1 Bf8 30. Rg1 Qh5 31. Ne4 Be7 32. Qd3 Rff8 33. Qd1 Rf7 34. Qd3 Qf5 35. Qe2 Qh5 36. Qd1 Rfg7 37. Qe2 Qf5 38. Kh2 Qh5 39. Qd1 Qg6 40. Qb1 Qh5 1/2-1/2

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Mengelkamp, Brian"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2040"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 c6 8. Qd3 Kh8 9. Rd1 Na6 10. Bg5 Qe8 11. a3 e5 12. dxe5 dxe5 13. Qc2 e4 14. Nd4 Ng4 15. h3 Ne5 16. b3 Nf7 17. Be3 Qe7 18. h4 Nc7 19. Rd2 Re8 20. a4 a6 21. c5 1/2-1/2

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Vecek, Marjan"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2040"]
[BlackElo "2278"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. e4 d5 9. cxd5 Bxf1 10. Kxf1 exd5 11. e5 Ne4 12. Kg2 Qd7 13. Qc2 Nxc3 14. Qxc3 c5 15. dxc5 bxc5 16. Bg5 d4 17. Qc2 h6 18. Bxe7 Qxe7 19. b4 cxb4 20. Rad1 Qb7 21. Rxd4 Nd7 22. Qe4 Qxe4 23. Rxe4 a5 24. Rc1 Rfc8 25. Rxc8+ Rxc8 26. Rd4 Rc7 27. Rd5 Nc5 28. Nd4 a4 29. f4 Rc8 30. Nf5 Rc7 31. Nd4 Rc8 32. Nf5 Kh7 33. Nd6 Rc6 34. Rd4 Na6 35. Nxf7 b3 36. axb3 axb3 37. Rd1 b2 38. Rb1 Rc2+ 39. Kf3 Nc5 40. Nd6 Na4 41. e6 Rc7 42. Ne4 Kg8 43. g4 Rc1 44. Nd2 g5 45. f5 Kf8 46. f6 Ke8 47. Kg3 Rxb1 48. Nxb1 Nc5 49. Kf3 Nxe6 50. Ke4 Kf7 51. Kd3 Kxf6 52. Nd2 Nd8 53. Kc2 Ke5 54. h4 gxh4 55. Nf3+ Kf4 56. Nxh4 Kxg4 57. Ng2 0-1

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Vieites, Carlos"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2040"]
[BlackElo "2279"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 Be7 10. e4 b4 11. e5 bxc3 12. exf6 Bxf6 13. bxc3 c5 14. dxc5 0-0 15. Ba3 Be7 16. Rb1 Bd5 17. c4 Be4 18. Bd3 Bxd3 19. Qxd3 Nxc5 20. Qe3 Qc7 21. Rfd1 h6 22. g3 Rfe8 23. Ne5 1/2-1/2

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Straka, Jozef"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2023"]
[BlackElo "2040"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5 9. Qe4 g6 10. c4 Bb7 11. Nc3 0-0 12. Rd1 d6 13. c5 d5 14. Qb4 Qc8 15. Ne2 a5 16. Qc3 Re8 17. Ned4 Nxd4 18. Nxd4 Bf8 19. Bf4 Qg4 20. Bg3 Bg7 21. Re1 a4 22. f4 Qd7 23. f5 gxf5 24. Bf4 Kh8 25. Re3 Re7 26. Rae1 Rae8 27. Qa3 Qc8 28. Qxa4 Kg8 29. Qd1 Re6 30. Nxe6 Rxe6 31. Qh5 Rg6 32. Rh3 h6 33. Rg3 Rxg3 34. Bxg3 Qe6 35. b4 Ba6 36. Qh4 Bd3 37. a4 Be4 38. a5 Qe8 39. a6 Qb8 40. Qe7 Bf8 41. Qd7 Qxb4 42. e6 Bxc5+ 43. Kh1 Qb2 44. Qxf7+ Kh8 45. Be5+ Qxe5 46. a7 Bxa7 47. e7 1-0

[Event "VW-Cup11 Gr04 email"]
[Site "ICCF email"]
[Date "2018.09.01"]
[Round "?"]
[White "Trs, Jan"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2138"]
[BlackElo "2040"]
[PlyCount "130"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 e5 2. Nf3 e4 3. Nd4 Nc6 4. Nxc6 dxc6 5. Nc3 Nf6 6. e3 Bf5 7. Qc2 Qd7 8. h3 h5 9. b3 0-0-0 10. a3 Be7 11. b4 Kb8 12. c5 Rh6 13. Rb1 h4 14. Ne2 Nd5 15. Bb2 Rg6 16. Ba1 Rg5 17. Nd4 Bf6 18. a4 Ne7 19. b5 Ka8 20. Qb3 Be6 21. Qb4 Bd5 22. bxc6 Bxc6 23. Nxc6 Qxc6 24. Bb5 Qxc5 25. Qxe4 Qd5 26. Qxd5 Nxd5 27. Be2 c6 28. Bxf6 Nxf6 29. Rb4 Rxg2 30. Rxh4 Kb8 31. Rf4 Rg5 32. h4 Rc5 33. h5 Rc1+ 34. Bd1 Nd5 35. Rd4 f6 36. Ke2 Rd7 37. Rg1 Re7 38. Rdg4 b5 39. Kd3 Nc7 40. Bf3 Rd7+ 41. Ke2 Rxg1 42. Rxg1 Nd5 43. Rc1 bxa4 44. Rxc6 Nb6 45. Rc1 Rc7 46. Rg1 Nc8 47. d4 Rc2+ 48. Kd3 Rxf2 49. Bc6 a3 50. Rxg7 Rb2 51. Bd5 a2 52. Bxa2 Rxa2 53. h6 Ra5 54. h7 Rh5 55. Kc3 a5 56. Kb3 Rh4 57. e4 Rh5 58. Rf7 Rh3+ 59. Ka4 f5 60. exf5 Nd6 61. Rd7 Nxf5 62. d5 Kc8 63. Rf7 Kd8 64. Rf8+ Ke7 65. h8Q Rxh8 1/2-1/2

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Laan, Aad"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2208"]
[BlackElo "2056"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Ba4 exd4 7. c3 Be7 8. cxd4 b5 9. Bc2 0-0 10. Nc3 Bb7 11. Nd5 Bf6 12. Nxf6+ gxf6 13. Bh6 Nb4 14. Nh4 Kh8 15. Bxh7 Kxh7 16. Qh5 Rh8 17. Bd2+ Kg7 18. Qg4+ Kh7 19. Qh3 Kg8 20. Qg3+ Kh7 21. Bxb4 Qg8 22. Bxd6 cxd6 23. Nf5 Qxg3 24. fxg3 Rab8 25. Nxd6 Bd5 26. Rf5 Be6 27. Rxf6 Kg7 28. Raf1 Bxa2 29. R6f5 f6 30. Rxf6 Rb6 31. h4 Rc6 32. h5 Rxh5 33. Ne8+ Kh8 34. Rf8+ Kh7 35. Nf6+ Rxf6 36. R1xf6 Kg7 37. b4 a6 38. Rf4 Rh6 39. Re8 Rd6 40. Re5 Kg6 41. g4 Bg8 42. Kf2 Bc4 43. Kg3 Be6 44. g5 Kg7 45. Kf2 Ba2 46. Rh4 Be6 47. Ke3 Bg8 48. Rh6 Rxh6 49. gxh6+ Kxh6 50. Re7 Bd5 51. Rxd7 Bxg2 52. Rd6+ Kg7 53. Rxa6 1-0

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Leijen, Peter"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2233"]
[BlackElo "2056"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 0-0 8. Rc1 Nc6 9. cxd5 exd5 10. Bd3 Be6 11. 0-0 a6 12. Re1 Rab8 13. a3 Bd6 14. Bc2 Rfd8 15. Qd3 g5 16. Ne2 g4 17. Nd2 Qg7 18. Ng3 Ne7 19. Rcd1 a5 20. Nb1 c6 21. Nc3 h5 22. Nxh5 Qh6 23. Nf4 Kg7 24. Nxe6+ fxe6 25. h3 gxh3 26. g3 Rf8 27. Qe2 Rf7 28. Kh1 Kh8 29. f4 Rg8 30. Rg1 Nf5 31. g4 Qh4 32. gxf5 Rg2 33. Qf3 Rxc2 34. fxe6 Rg7 35. Rxg7 Kxg7 36. Rf1 Rxb2 37. e4 Rg2 38. e5 Rg3 39. Qf2 Bxa3 40. Ne2 Rg4 41. Qf3 Bf8 42. f5 Kh8 43. f6 Rg8 44. Qf5 Bb4 45. Rf3 Qe1+ 46. Rf1 Qh4 47. Nf4 Qh7 48. Qxh7+ Kxh7 49. Rf3 1-0

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Massy, Giel"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2120"]
[BlackElo "2056"]
[PlyCount "45"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. d3 h6 5. c3 Nf6 6. b4 Bb6 7. a4 a6 8. 0-0 0-0 9. Nbd2 d6 10. h3 Re8 11. Re1 Bd7 12. Nf1 Qc8 13. Ng3 Be6 14. Bxe6 Qxe6 15. Qc2 d5 16. exd5 Qxd5 17. Bb2 Ba7 18. Rad1 Rad8 19. Rd2 Re6 20. Rb1 Rb8 21. Re1 Rbe8 22. Ree2 Bb6 23. Kh2 1/2-1/2

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Laan, Aad"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2056"]
[BlackElo "2208"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 0-0 8. 0-0 f5 9. Ne5 Bf6 10. Nxe4 Bxe4 11. Bxe4 fxe4 12. Qc2 d5 13. f4 exf3 14. Nxf3 Nc6 15. e3 a5 16. a3 Rc8 17. Rac1 Ne7 18. e4 dxe4 19. Qxe4 Nf5 20. Bc3 Qd6 21. Rce1 c5 22. d5 exd5 23. cxd5 Nd4 24. Nxd4 cxd4 25. Bxd4 Rc4 26. Be5 Rxe4 27. Bxd6 Rxe1 28. Rxe1 Rd8 29. Re6 Bxb2 30. Kf2 b5 31. Ke3 Rc8 32. Kf4 Rc4+ 33. Re4 Kf7 34. Rxc4 bxc4 35. Ke4 a4 36. Bc5 Ke8 37. Bd6 Kd7 38. Bf8 Bf6 1/2-1/2

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Leijen, Peter"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2056"]
[BlackElo "2233"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. e4 d5 9. cxd5 exd5 10. Bxa6 Nxa6 11. e5 Ne4 12. Qe2 Nxc3 13. Bxc3 Qc8 14. Rc1 c5 15. 0-0 Nc7 16. Rfd1 a5 17. Bd2 Qg4 18. Be3 f5 19. dxc5 f4 20. h3 Qxh3 21. cxb6 Ne6 22. gxf4 Rxf4 23. Nh2 Rh4 24. f3 Rf8 25. Kh1 d4 26. Bg1 Rb8 27. Rc6 Bd8 28. Qg2 Qf5 29. Bf2 Nf4 30. Qf1 Rxh2+ 31. Kxh2 Qh5+ 32. Kg1 Qxf3 33. Rxd4 Ne2+ 34. Kh2 Bg5 35. Rdc4 Bf4+ 36. Rxf4 Qxf4+ 37. Kg2 Qe4+ 38. Kh2 Qxe5+ 39. Kg2 Nf4+ 40. Kf3 Qd5+ 41. Kxf4 Rf8+ 42. Kg3 Rf3+ 43. Kh2 Qxc6 44. Qg2 Qe4 45. Kg1 h6 46. Bg3 Kh7 47. Bh4 a4 48. bxa4 Qb1+ 49. Kh2 Rf4 50. Bg3 Rf5 51. Qe2 Qxb6 52. Qc2 Qg6 53. Kg2 Ra5 54. Qc4 Re5 55. Kf2 Re4 56. Qb3 Rd4 57. Qe3 Rd3 58. Qf4 Ra3 59. Kg2 Rxa2+ 60. Kg1 Qb1+ 0-1

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Massy, Giel"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2056"]
[BlackElo "2120"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Bg6 10. h3 0-0 11. Rd1 Qe7 12. a5 Rad8 13. Bd2 Bh5 14. g4 Bg6 15. Nh4 Bc2 16. Rdc1 Ne4 17. Nxe4 Bxe4 18. Bxb4 Qxh4 19. f3 1-0

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Verbiest, Jan"]
[Result "1-0"]
[ECO "A97"]
[WhiteElo "2056"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Nf3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. Re1 h6 9. Bf4 a5 10. e4 fxe4 11. Nxe4 Nxe4 12. Rxe4 Qh5 13. Qe2 Bf6 14. Rd1 Na6 15. h4 Nb4 16. a3 Nc6 17. Bh3 a4 18. Bxe6+ Bxe6 19. Rxe6 Rae8 20. Rxe8 Rxe8 21. Qd3 Na5 22. Bd2 Nb3 23. Re1 Nxd2 24. Rxe8+ Qxe8 25. Nxd2 c5 26. dxc5 dxc5 27. Qd5+ Qf7 28. Qxc5 Bxb2 29. Qb5 Bxa3 30. Qxa4 Qe7 31. Qa5 Bc5 32. Nb3 Bb4 33. Qd5+ Qf7 34. Qd3 g6 35. Qe4 Bf8 36. Nc1 Bg7 37. Ne2 g5 38. Kg2 Bf6 39. hxg5 hxg5 40. Nd4 Qd7 41. Qg6+ Qg7 42. Qe8+ Qf8 43. Qe6+ Qf7 44. Qd6 Qe7 45. Qd5+ Qf7 46. Ne6 Be7 47. c5 Bf6 48. Kf3 Qh5+ 49. Ke3 Qf7 50. Ke4 Qh7+ 51. Qf5 Qh1+ 52. Ke3 Qc1+ 53. Kf3 Kf7 54. Kg2 Qd2 55. g4 Qd7 56. Nxg5+ Ke7 57. Qe4+ Kd8 58. Ne6+ Ke7 59. Nf4+ Kd8 60. Kg3 Ba1 61. Ne6+ Ke7 62. Nd4+ Kd8 63. Nf5 Qh7 64. Qb4 Kc8 65. Qb1 Be5+ 66. f4 Qc7 67. Qe4 Bxf4+ 68. Qxf4 Qxc5 69. g5 Qg1+ 70. Kf3 Qf1+ 71. Ke4 Qe2+ 72. Kd5 Qg2+ 73. Ke5 b5 74. g6 Qb2+ 75. Qd4 1-0

[Event "NED NK VR VET 4"]
[Site "ICCF email"]
[Date "2017.12.31"]
[Round "?"]
[White "Verbiest, Jan"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2056"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Qc2 0-0 7. g3 Ne4 8. Bg2 Nc6 9. 0-0 Bf5 10. Qb3 Bxc3 11. bxc3 Na5 12. Qb4 b6 13. Nh4 Be6 14. Bxe4 dxe4 15. Rd1 c6 16. Ng2 Qd7 17. Bf4 f6 18. Ne3 Rad8 19. Nf1 h6 20. Nd2 g5 21. Be3 f5 22. f4 exf3 23. exf3 f4 24. Bf2 fxg3 25. Bxg3 Qf7 26. Qa4 Qf5 27. Re1 Bd5 28. Re3 c5 29. Nb3 Nc4 0-1

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Armani, Giuseppe"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2345"]
[BlackElo "2056"]
[PlyCount "109"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 c5 5. Nf3 Nc6 6. Qa4 cxd4 7. Nxd4 Qxd4 8. Bxc6+ Bd7 9. Be3 Bxc6 10. Qxc6+ bxc6 11. Bxd4 Bb4+ 12. Kf1 Nf6 13. Kg2 0-0-0 14. e3 Rxd4 15. exd4 Rd8 16. Rd1 e5 17. a3 Ba5 18. Nd2 Bxd2 19. Rxd2 exd4 20. Rc1 Ne4 21. Rdd1 c3 22. f3 Nc5 23. bxc3 d3 24. Kf2 Kc7 25. Rb1 a5 26. Ke3 Kd6 27. Kd4 f5 28. Re1 g5 29. Rbd1 Rg8 30. h3 h5 31. h4 gxh4 32. gxh4 Rg3 33. Rg1 Rxf3 34. Rg6+ Ne6+ 35. Kc4 Kd7 36. Rgg1 Rf4+ 37. Kxd3 Kc7 38. Rgf1 Rxh4 39. Rxf5 Rg4 40. Rxa5 Kb6 41. Rf5 h4 42. Rb1+ Kc7 43. Rb4 Rg3+ 44. Kc2 h3 45. Rh5 Ng5 46. a4 Rg2+ 47. Kb3 c5 48. Rc4 Kd6 49. a5 Nf3 50. Rf4 Nd2+ 51. Ka4 h2 52. Rf6+ Ke7 53. Rc6 Kd7 54. Ra6 Kc8 55. Rh8+ 1-0

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Byrne, Michael"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2130"]
[BlackElo "2056"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c5 8. dxc5 Nbd7 9. Nge2 Nxc5 10. 0-0 Be6 11. Rc1 Rc8 12. Nd4 h6 13. Bh4 Nfe4 14. Nxe6 fxe6 15. Bxe7 Qxe7 16. Bxe4 dxe4 17. Qe2 a6 18. Rcd1 b5 19. Rd4 e5 20. Rd2 Rc6 21. Rfd1 Qf7 22. a3 Qg6 23. Rd8 Rxd8 24. Rxd8+ Kh7 25. h3 Qf6 26. Rd2 Qg6 27. Kh2 Nd3 28. Nxe4 Nxb2 29. Qf3 Nc4 30. Rd7 Rc8 31. Ra7 a5 32. Ng3 e4 33. Nxe4 Rc6 34. Ng3 Rf6 35. Qd5 Rxf2 36. Ra8 h5 37. Qd8 Kh6 38. Qd7 Kh7 39. Qc8 Kh6 40. Qb7 Qe6 41. Rh8+ Kg6 42. Qxb5 Ne5 43. Qb1+ Kf7 44. Ne4 Rf5 45. Nd6+ Kg6 46. Nxf5 Qxf5 47. Qxf5+ Kxf5 48. Rxh5+ g5 49. h4 Ng4+ 50. Kg3 1-0

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Galerne, Rene"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1981"]
[BlackElo "2056"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. 0-0 d6 7. Bb3 0-0 8. Nbd2 Re8 9. Re1 Be6 10. Nf1 d5 11. Qc2 Bb6 12. h3 Qd6 13. Be3 Na5 14. Ba4 c6 15. exd5 Bxd5 16. Nh4 e4 17. Nf5 Qd8 18. Rad1 exd3 19. Qxd3 Bxa2 20. Qc2 Bd5 21. Qc1 Nc4 22. Bc2 Nxe3 23. N1xe3 Qc7 24. Nxh6+ gxh6 25. Nxd5 Nxd5 26. Qxh6 f5 27. Qg6+ Kf8 28. c4 Qf4 29. Rf1 Re2 30. Bxf5 Rxf2 31. Rxf2 Bxf2+ 32. Kh1 Bd4 33. Rxd4 Qxd4 34. Qd6+ Kg8 35. cxd5 cxd5 36. Qe6+ 1/2-1/2

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Halliwell, Toni"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2356"]
[BlackElo "2056"]
[PlyCount "125"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c5 8. dxc5 Nbd7 9. Nge2 Nxc5 10. Bc2 Be6 11. 0-0 Qb6 12. Rb1 Nce4 13. Bf4 Rac8 14. Be5 Bd6 15. Bd4 Qc7 16. h3 Bh2+ 17. Kh1 Be5 18. Nb5 Qxc2 19. Bxe5 Nd7 20. Bc3 Qxd1 21. Rbxd1 Nb6 22. Kg1 a6 23. Nbd4 Rfe8 24. Bb4 Nc4 25. b3 Nb2 26. Ra1 Nd3 27. Ba5 Bd7 28. Rad1 Ndc5 29. f3 Nf6 30. Kf2 g5 31. Rh1 h6 32. Rd2 Kh7 33. Ng3 Kg6 34. h4 gxh4 35. Rxh4 Kg5 36. Rh1 h5 37. Bb4 h4 38. Nge2 Rc7 39. Rdd1 Rcc8 40. Bxc5 Rxc5 41. g3 Rh8 42. gxh4+ Kh6 43. Rdg1 Nh5 44. Rh2 Ra5 45. a4 Rc5 46. Rhg2 Rhc8 47. Rg5 R8c7 48. b4 Rc4 49. b5 Rxa4 50. b6 Rc5 51. Re5 Rc8 52. Re7 Rd8 53. Rxf7 Rb4 54. f4 Rxb6 55. f5 a5 56. Nf4 Nxf4 57. exf4 a4 58. Ne6 Rb2+ 59. Kf3 Rb3+ 60. Ke2 Bb5+ 61. Kd2 Rd3+ 62. Kc2 Rc8+ 63. Nc7 1-0

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Lambiarro, Alfonso"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1733"]
[BlackElo "2056"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 d6 11. Qd2 Nb6 12. Ba3 c5 13. Nc3 dxe5 14. 0-0-0 Bb7 15. Nd5 Nxd5 16. cxd5 0-0-0 17. Bc4 Bxd5 18. Qa5 c6 19. Rxd5 cxd5 20. Ba6+ Kd7 21. fxe5 Rb8 22. Bb5+ Ke6 23. Kb1 Bg7 24. Bxc5 Qb7 25. Ba6 Qc6 26. Bd4 Rb6 27. Rc1 Rxa6 28. Rxc6+ Rxc6 29. Qxa7 Rhc8 30. Bb2 Bxe5 31. Qe3 f6 32. Qh3+ f5 33. Qe3 d4 34. Bxd4 Rc1+ 35. Kb2 R1c2+ 36. Kb1 Rc1+ 37. Kb2 R1c2+ 38. Kb1 Rc1+ 39. Kb2 1/2-1/2

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Lea, Per"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2162"]
[BlackElo "2056"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Ke8 10. Bf4 h6 11. h3 g5 12. Bh2 Bd7 13. Ne4 Ng7 14. Rad1 Rd8 15. Nd4 Be6 16. Nf6+ Ke7 17. g4 a6 18. f4 gxf4 19. b3 c5 20. Nf3 Rxd1 21. Rxd1 Ne8 22. Bxf4 Bg7 23. Ne4 b6 24. Nh4 Rg8 25. Ng3 f6 26. Ngf5+ Kf7 27. exf6 Kxf6 28. Rf1 h5 29. Bg3 Bxf5 30. Rxf5+ Ke6 31. Rxh5 Nd6 32. Kg2 Rd8 33. Nf3 Rd7 34. Ne5 Re7 35. Rg5 Ne4 36. Rg6+ Bf6 37. Bf4 Rg7 38. Rh6 Kd5 39. Nc4 Rf7 40. Ne3+ Kd4 41. Rh5 Rd7 42. h4 Nc3 43. Kf3 Nb1 44. Nd1 Re7 45. Be3+ Rxe3+ 46. Nxe3 1-0

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Filin, Evgeny Konstantinov"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2056"]
[BlackElo "2318"]
[PlyCount "30"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Nh4 Nbd7 10. f3 Bg6 11. Nxg6 hxg6 12. e4 e5 13. Be3 exd4 14. Bxd4 Qe7 15. Qe2 Rad8 1/2-1/2

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Jarabinsky, Martin"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2056"]
[BlackElo "2213"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 dxc4 5. Nc3 a6 6. e3 b5 7. a4 c6 8. Bxf6 gxf6 9. axb5 cxb5 10. Nxb5 axb5 11. Rxa8 Bb7 12. Ra1 Bb4+ 13. Ke2 0-0 14. Ne1 Qe7 15. Nc2 Nc6 16. f3 Ba5 17. Kf2 Rd8 18. f4 Kh8 19. g3 e5 20. Bg2 exd4 21. Nxd4 Bb6 22. Bxc6 Bxc6 23. Re1 Bb7 24. Qe2 Qe4 25. Red1 b4 26. Ra4 Qg2+ 27. Ke1 Qh1+ 28. Kd2 Qe4 29. Ke1 b3 30. Kf2 Qg2+ 31. Ke1 Qh1+ 32. Kd2 Qe4 33. Ke1 Re8 34. g4 Bxd4 35. Rxd4 Qh1+ 36. Kd2 Bf3 37. Qf2 c3+ 38. Kxc3 Qc1+ 39. Kxb3 Bd1+ 40. Ka2 Bc2 0-1

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Poletaev, Vitaly Avenirovich"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2056"]
[BlackElo "2041"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Nf3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c4 c6 7. Nc3 Qb6 8. Rb1 Qb4 9. Qd3 0-0 10. Bd2 Qa5 11. Qc2 Qd8 12. b4 Na6 13. b5 Nc7 14. bxc6 bxc6 15. Ng5 Bd7 16. Rb7 Bc8 17. Rb2 Bd7 18. Rfb1 e5 19. dxe5 dxe5 20. Rd1 h6 21. Nf3 e4 22. Ne5 Qe8 23. Bf4 Ne6 24. Bd2 Nd4 25. Qc1 Qxe5 26. Bf4 Qc5 27. Be3 Ng4 28. Na4 Qd6 29. c5 Qd5 30. Rbd2 Nxe3 31. fxe3 h5 32. Nc3 Qf7 33. Rxd4 Be8 34. Ra4 h4 35. gxh4 Qf6 36. Nb1 Qxh4 37. Nd2 Bf7 38. Nf3 Qh5 39. Nd4 Bd5 40. Ra6 Be5 41. h3 Rac8 42. Nc2 f4 43. exf4 Bxf4 44. Ne3 Qg5 45. Ra3 Rc7 46. Rf1 Rcf7 47. Rxf4 Rxf4 48. Qe1 Be6 49. Rxa7 Bxh3 50. Qc3 R4f6 51. Qc4+ Kh8 52. Qxe4 Qg3 53. Ra4 Kg8 54. Qc4+ R8f7 55. Ra8+ Kh7 56. Qc1 Rf2 0-1

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Roth, Peter"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2056"]
[BlackElo "2128"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 Be7 10. e4 b4 11. e5 bxc3 12. exf6 Bxf6 13. bxc3 c5 14. Rb1 Be4 15. Bd3 Bxd3 16. Qxd3 0-0 17. h3 Qa5 18. a3 h6 19. Nd2 Rfd8 20. Ne4 cxd4 21. cxd4 Be7 22. Rb5 Qc7 23. Be3 Nb6 24. Rc1 Qd7 25. Nc5 Qe8 26. Ra5 Nd5 27. Qe4 Rdb8 28. Qg4 Kh8 29. Qe4 Kg8 30. Qg4 Nxe3 31. fxe3 Rc8 32. Rc3 Bd6 33. Qe4 Rc7 34. Ra6 Rd8 35. a4 1/2-1/2

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Sutovs, Artjoms"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2056"]
[BlackElo "2163"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Qb3 b5 9. a4 c5 10. dxc5 Be6 11. Qa3 b4 12. Qxb4 Nc6 13. Qb6 Qc8 14. Bf4 Nd7 15. Qc7 Nb4 16. c6 Nc5 17. Qxc8 Raxc8 18. Rd1 Nc2+ 19. Kd2 Bb3 20. c7 Nb4 21. Ra1 f5 22. exf5 e5 23. Bxe5 Bh6+ 24. Ke2 Rfe8 25. Nd4 Rxe5+ 26. Kf3 Rxc7 27. g4 Bf7 28. Kg2 Ncd3 29. Nf3 Re8 30. Bxd3 Nxd3 31. g5 Bg7 32. f6 Bf8 33. Rhb1 Rc5 34. h3 Bb3 35. Kh2 Rf5 36. Kg3 Bd6+ 37. Kg2 Nf4+ 38. Kh1 Ne2 39. Re1 Rxf3 40. Kg2 Rf5 41. Rxe2 Rxg5+ 42. Kf1 Bc4 43. Rae1 Kf7 44. b3 Bd3 45. Rd1 Bh2 46. Ke1 Bxe2 47. Rd7+ Kxf6 0-1

[Event "W-Cup22 WS51 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Tropf, Peter"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "2056"]
[BlackElo "2262"]
[PlyCount "146"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Nh4 Bg4 10. f3 Bh5 11. g4 Nd5 12. Ng2 Bg6 13. Qb3 a5 14. e4 Nb6 15. Be3 Nxc4 16. Qxc4 Nd7 17. Nf4 Qe7 18. Rad1 e5 19. Nxg6 hxg6 20. d5 Bc5 21. Bf2 Bxf2+ 22. Rxf2 Nb6 23. d6 Qxd6 24. Qxf7+ Kxf7 25. Rxd6 Rfd8 26. Rfd2 Ke7 27. Rxd8 Rxd8 28. Rxd8 Kxd8 29. Kf1 Nc4 30. Nd1 b5 31. axb5 cxb5 32. Ke2 a4 33. Nc3 Nxb2 34. Nxb5 Kd7 35. Nc3 Kc6 36. Kd2 Kc5 37. Kc2 a3 38. h4 Nc4 39. Ne2 a2 40. Nc1 Kd4 41. Nxa2 Ke3 42. Nc3 Kxf3 43. g5 Kg4 44. Nb5 Kxh4 45. Kd3 Nb6 46. Nd6 Kxg5 47. Nf7+ Kf6 48. Nd6 Nd7 49. Ke3 Kg5 50. Ne8 Kh4 51. Nxg7 g5 52. Ne6 g4 53. Kf2 Nf6 54. Nc5 Kh3 55. Kg1 g3 56. Nd3 Nxe4 57. Nxe5 Ng5 58. Nd3 Nf3+ 59. Kf1 g2+ 60. Kf2 g1Q+ 61. Kxf3 Qg4+ 62. Ke3 Kg3 63. Kd2 Qe4 64. Kc3 Kf3 65. Nb2 Qe5+ 66. Kb3 Qd5+ 67. Kb4 Ke3 68. Kc3 Qc5+ 69. Nc4+ Ke4 70. Kb3 Kd4 71. Nb2 Qc3+ 72. Ka2 Qb4 73. Nd1 Qa4+ 0-1

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Dreisch, Juergen"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1996"]
[BlackElo "2096"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Nf3 c5 5. e3 Nf6 6. Bxc4 Nc6 7. 0-0 Be7 8. dxc5 Qa5 9. a3 Qxc5 10. Be2 Qf5 11. b4 a6 12. Bb2 0-0 13. Nbd2 Rd8 14. Qb1 e5 15. Qxf5 Bxf5 16. Nc4 e4 17. Nd4 Nxd4 18. Bxd4 Nd5 19. Na5 Rd7 20. Rfc1 Be6 21. Rab1 f6 22. Nb3 Rc7 23. Nc5 Bxc5 24. bxc5 Rd8 25. Bd1 Ne7 26. Ba4 Nc6 27. Bxc6 bxc6 28. a4 Kf7 29. a5 Bg4 30. Rc2 h5 31. Rb6 Ra8 32. Rd2 Be6 33. Bc3 Bd5 34. Rd4 Kg6 35. Rd1 Kf5 36. Rd2 Bc4 37. Rb4 1/2-1/2

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Kazoks, Aivars"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2216"]
[BlackElo "2096"]
[PlyCount "127"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Be6 10. Ng5 Ke7 11. f4 Rd8 12. Nxe6 Kxe6 13. g4 Nd4 14. f5+ Kd7 15. Bg5 Re8 16. Rad1 c5 17. Nb5 Kc6 18. Nxd4+ cxd4 19. Bf4 Bc5 20. Kg2 a5 21. Rd3 Re7 22. g5 Kd5 23. Kf3 Bb6 24. c3 c5 25. cxd4 cxd4 26. Rb3 Bc5 27. f6 Rd7 28. fxg7 Rg8 29. Ke2 Ke4 30. Bd2 Rxg7 31. Rbf3 d3+ 32. Kd1 Bd4 33. b3 b6 34. a4 Re7 35. h4 Rxe5 36. Rh3 Kd5 37. h5 Re4 38. h6 Rg8 39. Rxf7 Rg4 40. Rh1 Rh8 41. Re1 Kc6 42. Bf4 Rd8 43. Rc7+ Kd5 44. Bd2 Rh8 45. Rd7+ Kc5 46. Rf1 Kc6 47. Rxd4 Rxd4 48. Bc3 Rhd8 49. Bxd4 Rxd4 50. Rf8 Rg4 51. Rg8 Rh4 52. Kd2 Kd5 53. Kxd3 Ke5 54. Kc3 Kf5 55. Rg7 Rh5 56. Kc4 Rxg5 57. Kb5 Rh5 58. Kxb6 Rxh6+ 59. Kxa5 Rh5 60. Rc7 Ke6+ 61. Kb6 Rh3 62. b4 Rh4 63. Ka5 Kd6 64. Rc1 1-0

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Pranitchi, Teodor"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2189"]
[BlackElo "2096"]
[PlyCount "109"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 Re8 9. Bg5 h6 10. Bh4 Qe7 11. f4 Bxc3 12. bxc3 Qc5+ 13. Bf2 Qxc3 14. Qf3 d6 15. Rab1 Kf8 16. Rb3 Qa5 17. Bd4 Bd7 18. c4 Rad8 19. Qg3 Qxa2 20. Rb2 Qa5 21. e5 dxe5 22. fxe5 Ng4 23. Bg6 Bf5 24. Bxf5 Rxd4 25. Bxg4 Qxe5 26. Qf2 f6 27. Re2 Re4 28. Rxe4 Qxe4 29. Qc5+ Kg8 30. Bf3 Re5 31. Qxc6 Qxc6 32. Bxc6 Rc5 33. Bd5+ Kf8 34. Rc1 Ke7 35. Kf2 Kd6 36. Ke3 c6 37. Bf3 Rf5 38. Ke4 Re5+ 39. Kd4 Kc7 40. c5 Re7 41. Ra1 Kb7 42. g4 Re5 43. h4 Re6 44. Be4 Re5 45. h5 Re7 46. Bf5 Kb8 47. Kc4 Kb7 48. Rd1 Kc7 49. Kb4 Kb8 50. Rd7 Rxd7 51. Bxd7 Kb7 52. Ka5 Kc7 53. Bf5 Kb7 54. Be4 a6 55. Bd3 1-0

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Alascio Ruiz, Jose Antonio"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2096"]
[BlackElo "2270"]
[PlyCount "102"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Bg5 dxc4 5. Qc2 b5 6. b3 cxb3 7. axb3 Qb6 8. Nc3 Na6 9. e4 h6 10. Be3 Ng4 11. Bf4 g5 12. Bg3 Bg7 13. h3 Nf6 14. Be2 0-0 15. Qc1 Nb4 16. 0-0 Be6 17. Rb1 Rfd8 18. Be5 Ne8 19. Bxg7 Nxg7 20. Rb2 f6 21. Qe3 a5 22. Rc1 Bf7 23. Rd2 e5 24. Rcd1 Ne6 25. dxe5 Qxe3 26. fxe3 Rxd2 27. Rxd2 Rd8 28. Rxd8+ Nxd8 29. exf6 Bxb3 30. Nd4 Bf7 31. Kf2 Na6 32. e5 Nc5 33. Ke1 b4 34. Nd1 Kf8 35. Kd2 a4 36. Kc2 a3 37. Kb1 Ne4 38. Ka1 c5 39. Nb5 Nd2 40. Bg4 Nc4 41. e4 Nxe5 42. Ne3 Ndc6 43. Bd1 Nd4 44. Nxd4 cxd4 45. Nf5 d3 46. Nd4 d2 47. Bc2 Nc4 48. Nf5 Bg6 49. Nd4 Ne3 50. Ne6+ Kg8 51. Bb3 Bf7 0-1

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Bosetti, Roberto"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2096"]
[BlackElo "1860"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. 0-0 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Rd1 Bf6 11. Bf4 d6 12. Qe3 Qe7 13. Rac1 Nd7 14. b4 h6 15. c5 Bd5 16. cxd6 cxd6 17. Rc7 Rfc8 18. Qc3 Rxc7 19. Qxc7 Nf8 20. Qxd6 Qxd6 21. Bxd6 Bxa2 22. Ra1 Bd5 23. Bc7 a5 24. bxa5 Rxa5 25. Rxa5 bxa5 26. Bxa5 Bxf3 27. Bxf3 Bxd4 28. e3 Bf6 1/2-1/2

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Cooper, Nigel"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2096"]
[BlackElo "2114"]
[PlyCount "62"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be2 Nf6 5. Nf3 0-0 6. 0-0 e5 7. dxe5 dxe5 8. Bg5 Nbd7 9. Qd2 Qe7 10. h4 c6 11. h5 h6 12. Bxh6 Nxh5 13. Bg5 Nhf6 14. Qe3 Re8 15. Rfd1 Ng4 16. Qd2 f6 17. Be3 Nxe3 18. Qxe3 Kh7 19. Nh4 Bh6 20. Qg3 Bg5 21. Bg4 Kg7 22. Qh3 Nf8 23. Bxc8 Raxc8 24. Nf3 Ne6 25. Nxg5 Nxg5 26. Qd7 Kf7 27. Qxe7+ Kxe7 28. f3 Ne6 29. Kf2 Rcd8 30. Rxd8 Rxd8 31. Rd1 Rxd1 1/2-1/2

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Hildebrand, Gerald"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2096"]
[BlackElo "2334"]
[PlyCount "39"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 0-0 6. Nc3 h6 7. Bh4 b6 8. Bd3 Bb7 9. 0-0 c5 10. dxc5 bxc5 11. Rc1 Nbd7 12. cxd5 Nxd5 13. Bg3 N7b6 14. Be2 Nxc3 15. Rxc3 Bf6 16. Rxc5 Qxd1 17. Rxd1 Bxb2 18. Rc7 Bd5 19. Ba6 Rad8 20. h3 1/2-1/2

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Ruffle, Alan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2096"]
[PlyCount "33"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 Be7 6. dxe5 dxe5 7. fxe5 Ng4 8. Bf4 c6 9. h3 Nh6 10. Qd2 Qa5 11. 0-0-0 Nb6 12. Nd4 Nd7 13. e6 Nc5 14. Bxh6 Bxe6 15. Nxe6 Nxe6 16. Qd7+ Kf8 17. Qxb7 1-0

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Starodubtsev, Vasily Petrovich"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2262"]
[BlackElo "2096"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 8. Bb2 Bd7 9. Qc2 Nd6 10. cxd5 exd5 11. e3 Bf5 12. Qb3 Be4 13. Nd2 Qh4 14. g3 Qg4 15. Be2 Qf5 16. 0-0 Bc2 17. Qa2 Bd3 18. Bxd3 Qxd3 19. Rfd1 Ne4 20. Nxe4 Qxe4 21. c4 0-0-0 22. cxd5 Rxd5 23. Qb1 f5 24. Qxe4 fxe4 25. a4 Rf8 26. f4 exf3 27. e4 Rh5 28. Rac1 h6 29. h4 g5 30. Rc5 Nb8 31. Ba3 Nd7 32. Rc3 f2+ 33. Kf1 Rd8 34. Rdc1 c6 35. e5 gxh4 36. g4 Rg5 37. Be7 Rxg4 38. Bxd8 Kxd8 39. Kxf2 Rxd4 40. Rc4 Rd5 41. Rxh4 Nxe5 42. Rg1 Nf7 43. Rg7 Rd7 44. Rh5 Kc7 45. Ke3 b6 46. Rf5 Nd6 47. Rxd7+ Kxd7 48. Rf6 b5 49. axb5 Nxb5 50. Rxh6 1/2-1/2

[Event "VW-Cup10 Gr53 email"]
[Site "ICCF email"]
[Date "2017.09.01"]
[Round "?"]
[White "Zaas, Peter S"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2349"]
[BlackElo "2096"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. b4 Bb6 7. b5 Na5 8. Nxe5 0-0 9. 0-0 Qe8 10. Ng4 Nxg4 11. Qxg4 Nxc4 12. dxc4 d6 13. Qg3 Qxe4 14. Bxh6 Qg4 15. Be3 Qxc4 16. a4 Re8 17. Nd2 Qxc3 18. Rac1 Qb4 19. Nc4 Qxa4 20. Nxb6 cxb6 21. Rcd1 Re6 22. Rxd6 Rxd6 23. Qxd6 Be6 24. Bd4 Qc4 25. h3 Bd5 26. Qf4 Re8 27. Rc1 Qb4 28. Kh2 f6 29. Rc7 Qf8 30. Bc3 Rc8 31. Rd7 Rd8 32. Bb4 Qe8 33. Re7 Qg6 34. f3 Kh7 35. Bc3 Kg8 36. Bd2 Kh7 1/2-1/2

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Budding, Aart"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2056"]
[BlackElo "2093"]
[PlyCount "59"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. 0-0 0-0 9. Ne5 Bb7 10. Nc3 Nbd7 11. Rc1 c5 12. Bf4 cxd4 13. Qxd4 Bc5 14. Qd1 Nxe5 15. Bxe5 Rc8 16. cxd5 Nxd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Bb2 f6 21. Rfd1 Rfd8 22. Kf1 Kf7 23. Rc2 Be7 24. Rdc1 Rxc2 25. Rxc2 Bd6 26. e3 h5 27. h3 Ke6 28. Ke2 Rd7 29. Kd3 Rc7 30. Rxc7 1/2-1/2

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Koval, Vyacheslav"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2255"]
[BlackElo "2093"]
[PlyCount "71"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. Bc1 e6 8. e4 exd5 9. exd5 Be7 10. c4 0-0 11. Bd3 d6 12. Nc3 Re8 13. Nge2 h5 14. Bd2 Na6 15. 0-0 h4 16. b3 Nb4 17. Bb1 Nd7 18. g4 Na6 19. g5 Nf8 20. Qe1 Bh3 21. Qxh4 Bxf1 22. Kxf1 Qa5 23. Ne4 Ng6 24. Qh5 Qc7 25. Bc3 Bd8 26. Nf4 Ne5 27. Nf6+ Bxf6 28. gxf6 gxf6 29. Qh6 f5 30. Bxf5 f6 31. Nh5 Nb8 32. Bxe5 Rxe5 33. Be6+ Rxe6 34. dxe6 Qe7 35. Kf2 Nc6 36. Rg1+ 1-0

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Poell, Johan H M"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2380"]
[BlackElo "2093"]
[PlyCount "107"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5 Nxd5 9. Nc3 0-0 10. Ne5 f6 11. Nc4 Nc6 12. e3 Bb4 13. Ne2 Qe8 14. Bxb4 Ndxb4 15. 0-0 Rd8 16. a3 Nd5 17. Rc1 b5 18. Nb2 b4 19. a4 e5 20. Rc5 Nce7 21. Nc4 exd4 22. Nxd4 Nc3 23. Qc2 Qd7 24. Rc1 Rfe8 25. h4 Qc8 26. Nd2 Rxd4 27. exd4 Ne2+ 28. Kh2 Nxc1 29. Qxc1 Qd7 30. d5 Rc8 31. Nc4 Kf8 32. Bh3 f5 33. Ne5 Qd8 34. Qf4 Kg8 35. Bxf5 Nxf5 36. Qxf5 Qe8 37. h5 h6 38. Ng6 Qf7 39. d6 Qxf5 40. Rxf5 cxd6 41. Ra5 Rc5 42. Rxa6 Rxh5+ 43. Kg2 Kh7 44. Ne7 Rc5 45. Rxa7 Rc3 46. a5 Rxb3 47. Nc6 Ra3 48. Nxb4 Ra4 49. Nc6 Kg6 50. a6 Kf6 51. Ra8 Ke6 52. a7 Kd7 53. Rd8+ Kxc6 54. a8Q+ 1-0

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Severins, Jan"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2142"]
[BlackElo "2093"]
[PlyCount "125"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qe2 Qc7 10. 0-0-0 Be7 11. g4 b5 12. Bg2 b4 13. e5 bxc3 14. Bxa8 dxe5 15. fxe5 Nxe5 16. Kb1 Ng6 17. Qf3 cxb2 18. Qc6+ Qxc6 19. Bxc6+ Kf8 20. h3 h5 21. Bf3 e5 22. Rhg1 Nf4 23. Bxf4 hxg4 24. hxg4 exf4 25. g5 Nh7 26. Bg4 Bb7 27. Rd7 Be4 28. g6 fxg6 29. Rc7 Bd8 30. Rc8 Kf7 31. Rd1 Nf6 32. Nc5 Bd5 33. Rxd5 Nxd5 34. Be6+ Ke7 35. Bxd5 g5 36. Nd3 Rh3 37. Ne5 Ba5 38. Kxb2 Kd6 39. Bb7 Kxe5 40. Rc5+ Kf6 41. Rxa5 f3 42. Bc8 Rg3 43. a4 g6 44. Rxa6+ Kg7 45. Be6 Rg1 46. Ra7+ Kf6 47. Bc4 Ke5 48. a5 Rh1 49. Re7+ Kd6 50. Re6+ Kc5 51. Bd3 f2 52. Rf6 Rh7 53. Rxf2 g4 54. a6 Rd7 55. Rf4 g3 56. Rg4 Rg7 57. Rxg3 g5 58. Rg4 Kb6 59. Kc3 Rc7+ 60. Kb3 Rg7 61. Kb4 Kc6 62. Ka5 Kc5 63. Be4 1-0

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Eshuis, Hans"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2093"]
[BlackElo "2222"]
[PlyCount "63"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Qd3 d4 13. h4 b6 14. h5 Bb7 15. Rh3 0-0-0 16. h6 Kb8 17. Rb1 Rg4 18. a4 Nd5 19. Qc4 Qe7 20. h7 Rh8 21. Nxd4 Na5 22. Qd3 Nxf4 23. Bxf4 Rxf4 24. Rd1 Qg5 25. Nb5 Bd5 26. Nxc3 Bxg2 27. Qd6+ Kb7 28. Qd7+ Kb8 29. Qd6+ Kb7 30. Qd7+ Kb8 31. Qd6+ Kb7 32. Qd7+ 1/2-1/2

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Koelewijn, Alex"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2093"]
[BlackElo "2234"]
[PlyCount "108"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. Qd3 0-0 14. Be2 Bg5 15. 0-0 Be6 16. Rfd1 Rb8 17. b3 g6 18. a3 bxa3 19. Rxa3 Rb7 20. Bf3 Qb8 21. Rb1 Kg7 22. h3 Rc8 23. Be2 Bxd5 24. exd5 Nb4 25. Nxb4 axb4 26. Ra6 Bd8 27. Rba1 Bb6 28. h4 Ra7 29. Rxa7 Bxa7 30. h5 Re8 31. Qg3 Bc5 32. Qh4 Qd8 33. Qxd8 Rxd8 34. g3 f5 35. Kg2 Kf6 36. Bd1 e4 37. Ra2 Ke5 38. Rd2 Ra8 39. hxg6 hxg6 40. f4+ Kf6 41. Kf1 Ra1 42. Ke1 Bg1 43. Ke2 g5 44. Rc2 gxf4 45. gxf4 Bd4 46. c5 dxc5 47. Rc4 Ke7 48. Kd2 Bc3+ 49. Kc2 Kd6 50. Rxc3 bxc3 51. Bh5 Rh1 52. Be8 e3 53. Bb5 e2 54. Bxe2 Rh2 0-1

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Tieken, Frank"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2093"]
[BlackElo "2195"]
[PlyCount "64"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. Nxe5 Nxe5 9. dxe5 c6 10. Nd2 Nxd2 11. Bxd2 Be7 12. a4 Bf5 13. Qf3 Bg6 14. axb5 axb5 15. Be3 0-0 16. Rxa8 Qxa8 17. Qg4 Qc8 18. Qxc8 Rxc8 19. f4 Be4 20. Ra1 d4 21. Bxd4 c5 22. Be3 c4 23. Ba2 Bxc2 24. Bb1 Bxb1 25. Rxb1 f6 26. Ra1 fxe5 27. fxe5 Kf7 28. Ra5 b4 29. Kf2 Ke6 30. Kf3 Kf5 31. g4+ Ke6 32. Ke4 Rc6 1/2-1/2

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Van Raan, Jos M"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2093"]
[BlackElo "2137"]
[PlyCount "78"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a3 Be6 10. Be3 Nbd7 11. f4 Nb6 12. fxe5 dxe5 13. Qxd8 Bxd8 14. Nc5 Bc4 15. Bd3 Ng4 16. Bd2 Be7 17. b4 Rfd8 18. h3 Nf6 19. Rf3 Bxd3 20. cxd3 Rab8 21. Rc1 Nbd7 22. Nxd7 Rxd7 23. Kf2 Rbd8 24. Ke2 h6 25. g3 Kf8 26. Rcf1 Kg8 27. Rd1 Ne8 28. Nd5 Nc7 29. Nb6 Nb5 30. Nxd7 Nd4+ 31. Ke3 Nxf3 32. Nb6 Nd4 33. Kf2 f5 34. Nd5 Kf7 35. Be3 Bd6 36. Rc1 Ke6 37. Kg2 fxe4 38. dxe4 Rf8 39. h4 h5 1/2-1/2

[Event "NED PRO-A email"]
[Site "ICCF email"]
[Date "2016.12.05"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Vriens, Huib"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2093"]
[BlackElo "2038"]
[PlyCount "82"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a3 Be6 10. Be3 Nbd7 11. f4 Nb6 12. fxe5 dxe5 13. Qxd8 Bxd8 14. Nc5 Bc4 15. Bd3 Rb8 16. h3 Be7 17. Rfd1 Rfc8 18. Nb3 Nbd7 19. Bxc4 Rxc4 20. Rd3 Rbc8 21. Rad1 Nf8 22. Nd2 R4c7 23. Bg5 Ne6 24. Bxf6 Bxf6 25. Nf3 Nd4 26. Nxd4 exd4 27. Nd5 Rxc2 28. Nxf6+ gxf6 29. R1d2 R8c4 30. Kf2 Rc1 31. Ke2 Rg1 32. Rg3+ Kf8 33. Kd3 Rc6 34. Rf3 Rb1 35. Rff2 Rd6 36. Rf5 Kg7 37. Rc5 Rb6 38. Rcc2 Rd6 39. Rc4 a5 40. Rc7 Rb6 41. Rcc2 Rd6 1/2-1/2

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Koegeler, Aart"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2121"]
[BlackElo "2093"]
[PlyCount "77"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 b6 8. 0-0 Bb7 9. a3 Bxc3 10. bxc3 Qd6 11. Qe2 Ne4 12. Bb2 Nd7 13. a4 Rfd8 14. a5 c5 15. Bd3 Qc7 16. c4 bxa5 17. Ne5 Nd6 18. Nxd7 Rxd7 19. Qc2 h6 20. Rfc1 Rc8 21. Qc3 cxd4 22. exd4 Ne4 23. Bxe4 Bxe4 24. f3 Bg6 25. Rxa5 f6 26. Qe1 Rb8 27. Ba1 Kh7 28. h4 Rb3 29. c5 Rd5 30. Bc3 e5 31. h5 Bf5 32. dxe5 fxe5 33. c6 Qxc6 34. Rxd5 Qxd5 35. Bxe5 Rb7 36. Qe3 Rb1 37. Rxb1 Bxb1 38. Qc3 Qf7 39. Qe3 1/2-1/2

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Laan, Aad"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2162"]
[BlackElo "2093"]
[PlyCount "133"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Be3 0-0 8. Rc1 Re8 9. Qc2 a5 10. a3 a4 11. Nf3 Nc6 12. 0-0 h5 13. Bxb6 cxb6 14. e3 Bf5 15. Rfd1 h4 16. Nxa4 h3 17. Bf1 Ra5 18. b4 Ra8 19. Ra1 b5 20. Nc3 Qb6 21. Nd5 Qd8 22. Nxe7+ Rxe7 23. Nd2 Rc7 24. Qb2 b6 25. Ne4 Bg4 26. Rd2 Rac8 27. f3 Be6 28. Re1 Qd5 29. Ng5 Rd8 30. d4 exd4 31. f4 Bg4 32. Nxh3 Qh5 33. Nf2 Bf3 34. e4 Rd6 35. Rd3 Bg4 36. Rc1 Be6 37. Be2 Qh6 38. Rdd1 Bc4 39. Bxc4 bxc4 40. Rxc4 Qe6 41. Qc1 Rc8 42. f5 Qe8 43. b5 Ne7 44. a4 Kf8 45. Rxc8 Qxc8 46. Qxc8+ Nxc8 47. Kg2 f6 48. Nd3 Ne7 49. h4 Kf7 50. Nf4 g6 51. g4 Rd8 52. h5 gxf5 53. gxf5 Nc8 54. Ne6 Rd7 55. Kf3 Kg8 56. Rxd4 Rxd4 57. Nxd4 Nd6 58. Kf4 Nc4 59. Nc6 Nd6 60. e5 fxe5+ 61. Kxe5 Nb7 62. Ke6 Kf8 63. f6 Nc5+ 64. Kf5 Nb7 65. Ne5 Nd6+ 66. Ke6 Ne4 67. Nd7+ 1-0

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Leijen, Peter"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2192"]
[BlackElo "2093"]
[PlyCount "127"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Bf4 c5 7. Nc3 cxd4 8. Nxd4 Nh5 9. Bd2 Nc6 10. Nxc6 Bxc6 11. e4 Qf6 12. 0-0-0 Qxf2 13. Be2 Nf4 14. Bf3 Ng6 15. Nb5 Bxb5 16. cxb5 Qc5 17. Bc3 Qxb5 18. Kb1 Rc8 19. Be2 Qc6 20. Ba6 Rc7 21. Qd3 e5 22. g3 Qe6 23. Rc1 Be7 24. h4 h5 25. Rhd1 0-0 26. Qe2 Rd8 27. Bd2 Rxc1+ 28. Rxc1 d5 29. Qxh5 Bf6 30. Be1 Ne7 31. Qe2 Nc6 32. g4 Nd4 33. Qg2 g6 34. exd5 Qxd5 35. Qxd5 Rxd5 36. g5 Bd8 37. Rd1 Kf8 38. Bc4 Rd7 39. Bb5 Rc7 40. Bg3 Re7 41. Bf2 Nxb5 42. Rxd8+ Kg7 43. Kc2 Nc7 44. Kd3 Ne6 45. Rd6 Nf4+ 46. Ke3 Rc7 47. Bg3 Rc5 48. Ke4 Rc2 49. Rd7 a5 50. b3 Rc3 51. Bxf4 exf4 52. Rd3 Rxd3 53. Kxd3 f5 54. Ke2 b5 55. Kf3 Kf7 56. Kxf4 Ke6 57. Kf3 Ke5 58. b4 a4 59. Kg3 f4+ 60. Kf2 Ke6 61. Ke2 Kd6 62. Kf3 Ke5 63. Kf2 Ke6 64. Ke2 1/2-1/2

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Nieuwland, A Huib"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2297"]
[BlackElo "2093"]
[PlyCount "113"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Bf5 14. Nd2 Qc7 15. Nf1 Rae8 16. Bg5 Rxe1 17. Qxe1 a5 18. Bh4 Nf4 19. Bg3 a4 20. Bd1 Bg6 21. b3 c5 22. bxa4 bxa4 23. Qe3 cxd4 24. cxd4 Nd5 25. Qd2 Bxg3 26. hxg3 Rd8 27. Bxa4 Nc3 28. Bd1 Ne4 29. Qe3 Qc3 30. Rc1 Qb2 31. Bf3 h6 32. Rd1 Ng5 33. Rd2 Nxf3+ 34. gxf3 Qb5 35. Qa3 Qb7 36. Kg2 Bh5 37. Qe3 Bg6 38. Qe2 h5 39. Ne3 h4 40. g4 Qc7 41. d5 f6 42. Rd1 Qc5 43. Qa6 Be8 44. a4 Qd6 45. Qxd6 Rxd6 46. a5 Kf8 47. Rb1 Ra6 48. Nc4 Ra8 49. f4 Ba4 50. Ra1 Bb5 51. Nb6 Ra7 52. f5 Rb7 53. Kh3 Ke7 54. Kxh4 Kf8 55. d6 Ra7 56. Rc1 Rxa5 57. Rc5 1-0

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Ruwette, J M C P"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2295"]
[BlackElo "2093"]
[PlyCount "105"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. 0-0 Bd6 8. Qc2 0-0 9. Nc3 Nbd7 10. Rd1 Bb4 11. d3 Qe7 12. e4 e5 13. a3 Bxc3 14. Qxc3 Rfe8 15. a4 Qd6 16. Nd2 a5 17. b3 Nb6 18. Ba3 Qe6 19. Bb2 Qg4 20. Rf1 Qg6 21. Nf3 Nfd7 22. Rfe1 h6 23. Qc2 Nc8 24. d4 exd4 25. Nxd4 Ne7 26. Rad1 Nf6 27. f4 Ng4 28. h3 Nf6 29. g4 Nh7 30. f5 Qd6 31. Ne6 Qg3 32. Nxg7 Ng5 33. Kf1 Qf4+ 34. Qf2 Qxf2+ 35. Kxf2 Red8 36. Nh5 Nh7 37. Bc1 Be8 38. Bxh6 Rac8 39. g5 Rd6 40. Bf1 Rc6 41. Rc1 Rd8 42. Bc4 Rd2+ 43. Ke3 Rxh6 44. gxh6 Rd6 45. Rg1+ Kf8 46. f6 Nxf6 47. Nf4 Nc6 48. Ne6+ Ke7 49. Rcf1 Nh7 50. Ng7 Rg6 51. Rxg6 fxg6 52. Nxe8 Kxe8 53. Rf7 1-0

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Geus, Alan De"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "2093"]
[BlackElo "2079"]
[PlyCount "132"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 a6 6. Ba4 b5 7. Bb3 d5 8. Nxe5 Nxe5 9. dxe5 c6 10. Nd2 Nc5 11. c3 Nxb3 12. axb3 c5 13. f4 Bf5 14. Rf2 d4 15. Nf1 Be7 16. Ng3 Qd7 17. cxd4 cxd4 18. Nxf5 Qxf5 19. Qxd4 Rd8 20. Qc3 0-0 21. Qc2 Qe6 22. Re2 Rc8 23. Qe4 Qxb3 24. Be3 Bb4 25. f5 a5 26. Rf1 Qc4 27. Qf3 Rfd8 28. Rc1 Qb3 29. Rxc8 Rxc8 30. Kf2 Rc2 31. Bd4 Rxe2+ 32. Qxe2 Qd5 33. Qe3 g6 34. f6 a4 35. Kg3 Bf8 36. h4 b4 37. h5 gxh5 38. Qg5+ Kh8 39. Qe3 h6 40. Kf2 a3 41. bxa3 bxa3 42. Kg1 a2 43. Kh2 Qc4 44. Qf2 h4 45. Bb2 h5 46. Qf5 Qg4 47. Qf2 Bh6 48. e6 Qxe6 49. Qxh4 Qg4 50. Qe1 Kh7 51. Kg1 Kg6 52. Qe8 Qe6 53. Qg8+ Kf5 54. Kh2 Bf4+ 55. g3 Qe2+ 56. Kh1 Qxb2 57. Qc8+ Ke5 58. Qc7+ Kd5 59. Qa5+ Ke4 60. Qa4+ Kd3 61. Qd1+ Ke3 62. Qe1+ Qe2 63. Qc1+ Kf2 64. Qc5+ Kxg3 65. Qg1+ Kh3 66. Qe3+ Bg3 0-1

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Leenders, Chris"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2093"]
[BlackElo "2301"]
[PlyCount "62"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. b3 Bf5 16. Bd3 Rac8 17. Qa5 Rc3 18. Bxf5 Rxe3 19. Be4 Qc8 20. g4 Qb8 21. Kb1 Qf4 22. Rd8 Bc3 23. Rxf8+ Kxf8 24. Qxa7 Qxh2 25. Qxe3 Qxh1+ 26. Qc1 Qh2 27. a4 h5 28. gxh5 Qxh5 29. Qg1 Qa5 30. Ka2 Qb4 31. Qc1 Qd4 1/2-1/2

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Massy, Giel"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2093"]
[BlackElo "2134"]
[PlyCount "60"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a3 Be6 10. Be3 Nbd7 11. f4 exf4 12. Rxf4 Ne5 13. Nd4 Qd7 14. Nf5 Bxf5 15. Rxf5 Rfe8 16. Qd4 Nc6 17. Qc4 b5 18. Qa2 Bd8 19. Raf1 d5 20. exd5 Rxe3 21. dxc6 Qd4 22. Rd1 Qh4 23. Rd7 Re6 24. g3 Qh3 25. Rf4 Bb6+ 26. Kh1 Nh5 27. Rf3 Rf8 28. c7 Rf6 29. Rxf7 R8xf7 30. c8Q+ Qxc8 0-1

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Peut, Aart A Van De"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2093"]
[BlackElo "2070"]
[PlyCount "130"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Ra2 Qc7 18. Be3 Nc5 19. Ra3 Bg7 20. Qe2 Reb8 21. Rea1 Nfd7 22. h4 h5 23. Nf1 Nb6 24. Bxc5 Qxc5 25. Ng5 Qc7 26. Qf3 Qe7 27. Qg3 Bh6 28. axb5 axb5 29. Ra5 Nd7 30. R1a3 Rxa5 31. Rxa5 Bc8 32. Ra7 Qd8 33. Ne3 Qb6 34. Ra1 Kg7 35. Bd1 Nf6 36. Bc2 Rb7 37. Ra8 Bg4 38. f4 Be2 39. fxe5 dxe5 40. Kf2 Bd3 41. Bxd3 cxd3 42. Kf3 Qd6 43. Ra1 Nh7 44. Kf2 Qf6+ 45. Nf5+ Kh8 46. Ra8+ Nf8 47. Qxd3 gxf5 48. exf5 Kg7 49. Ne4 Qxf5+ 50. Qf3 Qg6 51. Qg3 Qxg3+ 52. Nxg3 Kg6 53. Ne4 Rb6 54. Rd8 f5 55. Rd6+ Rxd6 56. Nxd6 b4 57. cxb4 Nd7 58. Nb7 Nb6 59. d6 Bf8 60. b5 Kf6 61. g3 Ke6 62. Kg2 Bxd6 63. Nd8+ Kd5 64. Nf7 Be7 65. Kf3 Ke6 0-1

[Event "NED SC2016 email"]
[Site "ICCF email"]
[Date "2016.11.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Tuyl, Wim Van"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2093"]
[BlackElo "2149"]
[PlyCount "144"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. d3 Bc5 10. c3 Ba7 11. d4 bxc3 12. bxc3 Rb8 13. Bc2 d6 14. h3 h6 15. Be3 Re8 16. Nbd2 exd4 17. Nxd4 Na5 18. Bd3 Rb2 19. Rb1 Rxb1 20. Qxb1 Bb6 21. N2f3 Nd7 22. Nd2 Qf6 23. Qc2 Nc5 24. Rb1 Bd7 25. Nf5 Bxa4 26. Qa2 Qe6 27. Qa1 Bc6 28. c4 f6 29. Bc2 Nab7 30. Qa2 Nd8 31. Nd4 Qc8 32. Nb5 Nf7 33. Nc3 Ng5 34. Nd5 Bxd5 35. exd5 Nxh3+ 36. gxh3 Qxh3 37. Re1 Qg4+ 38. Kf1 Re5 39. Qb1 a5 40. Re2 a4 41. Ke1 a3 42. Kd1 Nd7 43. Be4 Bxe3 44. fxe3 a2 45. Qxa2 Rxe4 46. Nxe4 Qxe4 47. Qc2 Qg4 48. Kd2 Nc5 49. Kc1 h5 50. Rg2 Nd3+ 51. Kb1 Qf3 52. Rd2 Ne5 53. Rh2 g6 54. Rf2 Qh1+ 55. Ka2 Kg7 56. Qe2 Qc1 57. Kb3 Qb1+ 58. Kc3 g5 59. e4 Qg1 60. Rg2 Qc1+ 61. Kb3 Qb1+ 62. Kc3 h4 63. Rh2 Qg1 64. Rg2 Qa1+ 65. Kb3 Qb1+ 66. Kc3 Qc1+ 67. Kb3 Qf4 68. Ka4 h3 69. Rf2 Qc1 70. Kb3 Qg1 71. Qd2 g4 72. Qf4 Nf3 0-1

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Kaupert, Vanildo Joao"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2298"]
[BlackElo "2068"]
[PlyCount "145"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Be7 6. e3 h6 7. Bh4 c5 8. Be2 0-0 9. 0-0 Nc6 10. Rc1 Rc8 11. dxc5 bxc5 12. h3 d6 13. Rc2 Qc7 14. Rd2 a6 15. Bg3 Rcd8 16. Qa4 Rb8 17. Rfd1 Rfd8 18. Ne1 Ne5 19. Qc2 Qa5 20. f4 Nc6 21. f5 exf5 22. Qxf5 Bc8 23. Qc2 Nb4 24. Qb1 Nc6 25. Bh2 Bd7 26. Bxd6 Bxd6 27. Rxd6 Qc7 28. Kh1 Re8 29. Rxf6 gxf6 30. Nd5 Qd6 31. Nd3 Bf5 32. Rf1 Re5 33. Qe1 Bxd3 34. Bxd3 Rxd5 35. cxd5 Ne5 36. Qg3+ Kf8 37. b3 c4 38. Bc2 cxb3 39. Bxb3 Rc8 40. Rd1 Rc3 41. Qh4 Kg7 42. Qg3+ Kf8 43. Qh4 Kg7 44. Qf4 a5 45. Qg3+ Kf8 46. Qe1 Rc5 47. Rd4 a4 48. Bxa4 Rxd5 49. Qd2 Rxd4 50. exd4 Kg8 51. Bb5 Qd5 52. a4 Ng6 53. Bf1 Nh4 54. a5 Nf5 55. a6 Ng3+ 56. Kg1 Nxf1 57. Qf4 Qa5 58. Qxf1 f5 59. Qd3 Qa1+ 60. Kh2 Kf8 61. d5 Qe5+ 62. Qg3 f4 63. Qf3 Qa1 64. d6 Qxa6 65. Qxf4 Qa5 66. Qxh6+ Ke8 67. Qe3+ Kd7 68. Qe7+ Kc6 69. Qc7+ Qxc7 70. dxc7 Kxc7 71. Kg3 Kd7 72. Kf4 Ke6 73. Kg5 1-0

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Repanic, Frane"]
[Black "Spierenburg, Pieter"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2038"]
[BlackElo "2068"]
[PlyCount "153"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. Bg2 0-0 9. cxd5 Nxd5 10. 0-0 Nc6 11. Re1 Bf6 12. Nxd5 exd5 13. Bc3 Qd6 14. Rc1 Rfe8 15. Qc2 Rac8 16. Bh3 Rcd8 17. Bb2 Bb7 18. e3 Re7 19. a3 a5 20. Bf1 h6 21. Red1 Ra8 22. Bg2 g6 23. Rd3 Nd8 24. Ne5 Bg7 25. f4 Ne6 26. Nc6 Bxc6 27. Qxc6 Qxc6 28. Rxc6 Rd7 29. Bh3 Re7 30. Bxe6 fxe6 31. a4 Kf7 32. Ba3 Rd7 33. Rdc3 Ra7 34. Kf2 Kf6 35. g4 h5 36. g5+ Kf7 37. Rc1 Rb7 38. Kf3 Ra7 39. R1c3 Rb7 40. b4 axb4 41. Bxb4 Ra7 42. h3 Rxa4 43. Rxc7 Ke8 44. Bd6 b5 45. Rc8+ Kf7 46. R3c7 Ra7 47. Rxa7 Rxa7 48. Rb8 Rd7 49. Bc5 Rc7 50. h4 b4 51. Bxb4 Rd7 52. Bc5 Rc7 53. Ke2 Rd7 54. Kd2 Rc7 55. Kd1 Rc6 56. Rb7+ Kg8 57. Re7 Kh7 58. Kc2 Ra6 59. Kc3 Ra1 60. Bd6 Kg8 61. Rxe6 Kf7 62. Re7+ Kg8 63. Be5 Ra3+ 64. Kd2 Ra2+ 65. Kd3 Ra3+ 66. Ke2 Ra2+ 67. Kf3 Bxe5 68. Rxe5 Rh2 69. Rxd5 Rxh4 70. Ke4 Rh3 71. Rd8+ Kf7 72. Rd7+ Kf8 73. d5 h4 74. Rh7 Ke8 75. Rg7 Rg3 76. Rxg6 h3 77. Rh6 1-0

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Scavo, Santo"]
[Black "Spierenburg, Pieter"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "1518"]
[BlackElo "2068"]
[PlyCount "12"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 0-1

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Siigur, Jueri"]
[Black "Spierenburg, Pieter"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2433"]
[BlackElo "2068"]
[PlyCount "71"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Bb2 b6 9. Bd3 Bb7 10. 0-0 Re8 11. Ne5 Rc8 12. Rad1 c5 13. cxd5 cxd4 14. exd4 Nxe5 15. dxe5 Nxd5 16. Bxh7+ Kf8 17. Be4 Bb4 18. Bxd5 exd5 19. Rd4 Bxc3 20. Bxc3 Rxe5 21. Qd2 Re6 22. Ra4 a5 23. Rg4 f6 24. h3 Qd6 25. Rd1 Ba6 26. Rg3 Rd8 27. Bd4 Re2 28. Qc3 Rde8 29. Qf3 Re1+ 30. Rxe1 Rxe1+ 31. Kh2 Re4 32. Bb2 Re2 33. Bc1 Re7 34. Bf4 Qc6 35. Qh5 Kg8 36. Qd1 1/2-1/2

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Kazmierczuk, Zenon"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2068"]
[BlackElo "2164"]
[PlyCount "161"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a3 Be6 10. Be3 Nbd7 11. f4 exf4 12. Rxf4 Rc8 13. Nd4 Ne5 14. Qe1 Nfd7 15. Qg3 Bf6 16. Rff1 Nc4 17. Nxe6 fxe6 18. Bxc4 Rxc4 19. Qxd6 Rc6 20. Qb4 Qc8 21. Rad1 Ne5 22. Bb6 Nc4 23. Na4 Re8 24. Qb3 Bxb2 25. Nxb2 Nxb6 26. Rf2 Nd7 27. Nc4 Rxc4 28. Rxd7 Rxe4 29. Rff7 Qc5+ 30. Kf1 Rf8 31. Qf3 Qc4+ 32. Kf2 Qe2+ 33. Qxe2 Rxf7+ 34. Qf3 Rxf3+ 35. Kxf3 Rc4 36. Rxb7 Rxc2 37. Rb6 Rc3+ 38. Kf4 Rxa3 39. Rxe6 h6 40. h3 a5 41. Re8+ Kf7 42. Ra8 Kg6 43. Ra6+ Kh7 44. Kg4 Ra2 45. Kg3 a4 46. h4 a3 47. Kf4 Rxg2 48. Rxa3 h5 49. Ke5 Rg4 50. Rh3 Rb4 51. Rh2 Rb5+ 52. Kf4 Rb3 53. Ra2 Rh3 54. Kg5 Rg3+ 55. Kf5 g6+ 56. Kf6 Rf3+ 57. Ke5 Rf5+ 58. Ke4 Rf7 59. Ke5 Rf1 60. Ra7+ Kg8 61. Ra6 Re1+ 62. Kf6 Kh7 63. Ra4 Rf1+ 64. Ke6 Kg8 65. Ra8+ Kg7 66. Ra4 Re1+ 67. Kd5 g5 68. hxg5 Kg6 69. Re4 Rd1+ 70. Ke5 Kxg5 71. Re2 Rf1 72. Rg2+ Kh4 73. Rh2+ Kg4 74. Rg2+ Kh3 75. Ra2 h4 76. Ra7 Kh2 77. Rg7 h3 78. Ke4 Kh1 79. Rh7 Kg2 80. Rg7+ Kh2 81. Ra7 1/2-1/2

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Nopin, Vyacheslav Mikhailo"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2068"]
[BlackElo "2311"]
[PlyCount "108"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a3 Qc7 10. Be3 Nbd7 11. a4 Nb6 12. Nd2 Be6 13. a5 Nbd7 14. Bf3 b6 15. axb6 Nxb6 16. Re1 Rfb8 17. Nf1 a5 18. h4 g6 19. h5 Nc4 20. b3 Nb2 21. Qd2 Rc8 22. Nb5 Qxc2 23. Re2 Bxb3 24. Na7 Qxd2 25. Nxd2 Rc3 26. Nxb3 Rxb3 27. Rb1 Rxe3 28. Rxe3 Rxa7 29. Rxb2 a4 30. Ra2 d5 31. exd5 Bd6 32. g4 Kf8 33. g5 Nxh5 34. Bxh5 gxh5 35. Rh3 Kg7 36. Rxh5 a3 37. Rh6 Be7 38. Rc6 Rd7 39. Rd2 Bxg5 40. Rd1 Ra7 41. Kg2 e4 42. d6 a2 43. Ra1 Bf4 44. Rc4 Be5 45. d7 Rxd7 46. Rxa2 f5 47. Rc6 Bf4 48. Ra5 Rf7 49. Re6 h6 50. Raa6 Bg5 51. Rg6+ Kh7 52. Rge6 Rg7 53. Kh2 h5 54. Rab6 Rc7 1/2-1/2

[Event "VW-Cup9 Gr09 email"]
[Site "ICCF email"]
[Date "2016.09.01"]
[Round "?"]
[White "Spierenburg, Pieter"]
[Black "Rivas Romero, Guillermo"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2068"]
[BlackElo "2172"]
[PlyCount "104"]
[EventDate "2016.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. f4 0-0 10. f5 Bd7 11. Be3 Nc6 12. a3 Na5 13. Qd2 Nxb3 14. cxb3 Bc6 15. Bf3 b5 16. Rac1 Rc8 17. b4 h6 18. Rc2 Bb7 19. Rfc1 Qd7 20. Qd3 Rc4 21. b3 Rc6 22. h4 Rfc8 23. Bf2 h5 24. Be3 Bd8 25. g3 g6 26. Bg5 Kg7 27. Qd2 Nh7 28. Bh6+ Kh8 29. Bg2 Nf6 30. Bf3 Bb6+ 31. Be3 Bxe3+ 32. Qxe3 Kg7 33. Qd3 Qd8 34. Qe3 R6c7 35. fxg6 fxg6 36. Rd1 Bxe4 37. Nxe4 Rxc2 38. Nxd6 Ng4 39. Bxg4 hxg4 40. Qxe5+ Kh7 41. Qf4 R8c7 42. h5 Re7 43. hxg6+ Kg8 44. Kf1 Rc3 45. Qxg4 Ree3 46. Rd5 Rc1+ 47. Kf2 Qe7 48. Rc5 Qxd6 49. Kxe3 Re1+ 50. Kf3 Qd3+ 51. Kf4 Re4+ 52. Kg5 Rxg4+ 0-1

