[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Blittkowsky, Ralf"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2152"]
[BlackElo "2109"]
[PlyCount "30"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. a3 Nge7 7. d3 0-0 8. 0-0 d6 9. Rb1 a5 10. Ne1 Be6 11. Bg5 f6 12. Bd2 d5 13. Na4 b6 14. b4 axb4 15. axb4 Nxb4 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Debevec, Blaz"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2267"]
[BlackElo "2109"]
[PlyCount "63"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1 c4 9. Nh3 Nc6 10. Nf4 Bd7 11. Be2 0-0-0 12. Bg4 Nge7 13. 0-0 b6 14. Qb2 Kb8 15. Rae1 h6 16. Nh5 Kb7 17. h4 Rdg8 18. Re3 Ng6 19. Rf3 Be8 20. Rh3 Nf8 21. Bf3 Nh7 22. Ng3 f6 23. exf6 Nxf6 24. Re1 Bf7 25. Bf4 Re8 26. h5 Bg8 27. Bd1 Bh7 28. Nf1 Rhf8 29. Rhe3 Ne4 30. Bg3 Ne7 31. Bf3 Ng5 32. Bg4 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Fees, Dennis A"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2112"]
[BlackElo "2109"]
[PlyCount "86"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. Nc2 fxe4 10. Nxe4 Be6 11. Ne3 Nf6 12. Bd3 0-0 13. 0-0 g6 14. b3 Nh5 15. Nc3 Bg5 16. Ba3 Nd4 17. Be4 Rf7 18. Nc2 Nf4 19. Bc1 Nf5 20. Bxf4 Bxf4 21. Bd5 Qd7 22. Re1 Raf8 23. Ne4 b5 24. a4 bxc4 25. bxc4 Kh8 26. Nb4 Nd4 27. Bxe6 Qxe6 28. Nd5 g5 29. Qh5 Nc2 30. g3 Nxe1 31. Rxe1 g4 32. gxf4 exf4 33. Kf1 Re8 34. a5 f3 35. Re3 Rb8 36. Nec3 Qg6 37. Qxg6 hxg6 38. Re6 Rh7 39. Kg1 Rb2 40. Ne3 Rb3 41. Ncd5 Rb1+ 42. Nf1 Ra1 43. Rxg6 Rd7 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Krejcir, Stanislav"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2140"]
[BlackElo "2109"]
[PlyCount "50"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Bh4 Nh5 14. Qc2 h6 15. Bh7+ Kh8 16. Bg6 Rxf3 17. Bxh5 Rf5 18. Bg6 Rf8 19. Bg3 Rf6 20. Rac1 Bd7 21. Bd3 Bxg3 22. hxg3 Qb6 23. Qc3 Raf8 24. Qc5 Qxc5 25. Rxc5 a6 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Brunclik, Vladimir"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2109"]
[BlackElo "2100"]
[PlyCount "107"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 0-0 11. 0-0 f5 12. f4 Nd7 13. fxe5 Nxe5 14. c3 g6 15. Kh1 Re8 16. Bf4 Bf6 17. Nd4 Re7 18. a5 a6 19. Qd2 Bd7 20. c4 Rc8 21. b3 Re8 22. Be3 Qe7 23. Rae1 Qg7 24. Rd1 Qe7 25. Bg1 Nf7 26. Bd3 Ng5 27. Qb4 Rb8 28. Rde1 Be5 29. Ne2 Qg7 30. Qb6 Qf6 31. Nf4 Nf7 32. Re2 Ng5 33. Ree1 Nf7 34. Rc1 Ng5 35. b4 Qe7 36. Rce1 Qd8 37. c5 Ne4 38. Bxe4 fxe4 39. Rxe4 Rf8 40. Ne6 Bxe6 41. Rxf8+ Kxf8 42. cxd6 Bxd6 43. Rxe6 Qxb6 44. Bxb6 Bxb4 45. d6 Kf7 46. Re7+ Kg8 47. Rd7 Rc8 48. Kg1 Rc6 49. Rxb7 Bxd6 50. Ra7 Rc1+ 51. Kf2 Bxh2 52. Rxa6 Bg1+ 53. Kf3 Rb1 54. Ke4 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Campani, Paolo"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2109"]
[BlackElo "2126"]
[PlyCount "29"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 dxe4 5. Nxe4 cxd4 6. cxd4 Nf6 7. Bd3 Be7 8. Nf3 Nbd7 9. 0-0 Nxe4 10. Bxe4 Nf6 11. Bc2 0-0 12. Qd3 Bd7 13. Bg5 g6 14. Bh6 Re8 15. Ne5 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Kinas, Tomasz"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "2109"]
[BlackElo "2174"]
[PlyCount "65"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 h6 12. Bh4 Nfd7 13. Ne4 Qxa2 14. Rd1 Qd5 15. Qe3 Qxe5 16. Be2 Bc5 17. Bg3 Bxd4 18. Rxd4 Qa5+ 19. Rd2 0-0 20. Bd6 f5 21. Bxf8 Nxf8 22. Nd6 Nbd7 23. 0-0 Qc5 24. Rd3 Rb8 25. Qxc5 Nxc5 26. Rc3 b6 27. Rb1 Nfd7 28. Bc4 Bb7 29. Nxf5 b5 30. Ba2 Be4 31. Nd4 Rb6 32. Re1 Kf7 33. Nb3 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Meissner, Ruediger"]
[Result "1/2-1/2"]
[ECO "C57"]
[WhiteElo "2109"]
[BlackElo "2296"]
[PlyCount "24"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nd4 7. c3 Nxd5 8. cxd4 Qxg5 9. Bxb5+ Kd8 10. 0-0 Bb7 11. Qf3 Rb8 12. dxe5 Ne3 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Michaud, Francois"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2109"]
[BlackElo "2027"]
[PlyCount "51"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Nd5 Bxd5 10. exd5 g6 11. Qd2 Nbd7 12. Be2 Bg7 13. 0-0 b6 14. Rfe1 0-0 15. c4 Nc5 16. Nxc5 dxc5 17. Bd3 Qd6 18. Re2 Nd7 19. Rf1 f5 20. b3 Rae8 21. Kh1 h4 22. Bg5 Bf6 23. Bh6 Bg7 24. Bg5 Bf6 25. Bh6 Bg7 26. Bg5 1/2-1/2

[Event "W-ch WS/M/787 email"]
[Site "ICCF email"]
[Date "2020.12.31"]
[Round "?"]
[White "Shabaev, Vladimir Nikolaevic"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2113"]
[BlackElo "2109"]
[PlyCount "34"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e4 b5 5. a4 b4 6. Nce2 Nf6 7. Ng3 Ba6 8. Nf3 e6 9. Bg5 Qa5 10. Be2 Nbd7 11. 0-0 h6 12. Bxf6 gxf6 13. Nd2 Nb6 14. Rc1 Qxa4 15. Qe1 c3 16. bxc3 bxc3 17. Rxc3 Rd8 1/2-1/2

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Carlson, Christopher"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1903"]
[BlackElo "2033"]
[PlyCount "46"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. Bf4 Nf6 4. e3 Qb6 5. Qc1 Bf5 6. c4 e6 7. c5 Qd8 8. b4 Ne4 9. Nc3 g5 10. Be5 f6 11. Bxb8 Rxb8 12. Bd3 Ng3 13. Bxf5 Nxf5 14. 0-0 h5 15. Qc2 Kf7 16. a4 g4 17. Ne1 Qc7 18. b5 h4 19. Qd1 g3 20. Qf3 gxh2+ 21. Kh1 Bh6 22. Ne2 Rbg8 23. Nd3 Rh7 0-1

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Epinoux, Jean Francois"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2087"]
[BlackElo "2033"]
[PlyCount "44"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nf6 6. Bg2 Nc6 7. 0-0 e5 8. Bg5 d4 9. Ne4 Be7 10. Nxf6+ Bxf6 11. Rc1 0-0 12. Bxf6 Qxf6 13. Nd2 Bg4 14. Re1 Rab8 15. Ne4 Qe7 16. Qa4 Rfc8 17. e3 d3 18. f3 Be6 19. Red1 b5 20. Qa3 Nb4 21. Rc3 Kf8 22. Bf1 f5 0-1

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Maschietti, Giampaolo"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2033"]
[BlackElo "2007"]
[PlyCount "41"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 g5 8. h4 gxh4 9. g5 hxg5 10. Bxg5 Bg7 11. Ndb5 Nc6 12. Bf4 Bf8 13. Nxd6+ Bxd6 14. Bxd6 a6 15. e5 Nd7 16. Qe2 Nd4 17. Qe4 Nf5 18. 0-0-0 Nxd6 19. exd6 Rf8 20. Nd5 Nf6 21. Nxf6+ 1-0

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Rabczewski, Adam"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2033"]
[BlackElo "2007"]
[PlyCount "105"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 0-0 10. Rg1 a5 11. a4 Nc6 12. 0-0-0 Nb4 13. g4 Qc7 14. g5 Nh5 15. Kb1 d5 16. Nxd5 Bxd5 17. exd5 Nxd5 18. Qxd5 Rfd8 19. Bb5 Rxd5 20. Rxd5 Rc8 21. c3 Rd8 22. Rgd1 Rd6 23. Rxd6 Bxd6 24. Nxa5 Bf8 25. Nc4 e4 26. fxe4 Qxh2 27. Rd2 Qh4 28. Ka2 Nf4 29. Rd7 Ne6 30. Ne5 Qxe4 31. Bd4 Qc2 32. Rxb7 h5 33. gxh6 gxh6 34. a5 Bc5 35. Nc6 Bxd4 36. Nxd4 Nxd4 37. cxd4 Qe4 38. a6 Qd5+ 39. b3 Kg7 40. Bc4 Qxd4 41. Rxf7+ Kg6 42. Ka3 Qd6+ 43. Ka4 Qc6+ 44. Kb4 Qd6+ 45. Kb5 Qe5+ 46. Kc6 Qe4+ 47. Kd7 Qa8 48. Kd6 Qd8+ 49. Rd7 Qb8+ 50. Rc7 Qd8+ 51. Kc6 Qa8+ 52. Kd7 h5 53. a7 1-0

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Wiesinger, Johann"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2033"]
[BlackElo "2076"]
[PlyCount "89"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 0-0 8. d4 d6 9. c3 Bg4 10. Be3 exd4 11. cxd4 g6 12. h3 Bxf3 13. Qxf3 Na5 14. e5 dxe5 15. dxe5 Nd7 16. Bh6 Nxb3 17. axb3 Re8 18. Nc3 Bg5 19. Bxg5 Qxg5 20. Ne4 Qf5 21. Rad1 Kg7 22. Qe3 Nf8 23. f4 Ne6 24. Rf1 Nf8 25. Rc1 Rac8 26. Rc5 Nd7 27. g4 Qe6 28. f5 Qb6 29. f6+ Kh8 30. Qh6 Rg8 31. b4 g5 32. Rd1 Rg6 33. Nxg5 Nxf6 34. Nxf7+ Kg8 35. Qf4 Kxf7 36. exf6 Rxf6 37. Rd7+ Ke8 38. Qd4 h6 39. Kg2 Kf8 40. Rd8+ Rxd8 41. Qxd8+ Kf7 42. Rxc7+ Qxc7 43. Qxc7+ Ke6 44. h4 Rg6 45. Kg3 1-0

[Event "W-ch WS/H/781 email"]
[Site "ICCF email"]
[Date "2020.06.02"]
[Round "?"]
[White "Zens, Rolf"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2024"]
[BlackElo "2033"]
[PlyCount "44"]
[EventDate "2020.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nf6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. a3 a5 10. Bd2 h6 11. Rc1 Re8 12. Na4 Nd4 13. Nxd4 exd4 14. Qc2 c6 15. Rfe1 Bf5 16. Qb3 b5 17. Nc5 a4 18. Qc2 Rc8 19. Bb4 Nd5 20. b3 Bg5 21. Ra1 axb3 22. Qxb3 Nxb4 1/2-1/2

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Buczinski, Henryk"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1987"]
[BlackElo "2025"]
[PlyCount "97"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. Na3 Bg4 11. axb5 axb5 12. Nxb5 0-0 13. d5 Ne7 14. Bc2 Qd7 15. c4 Ng6 16. h3 Bxh3 17. gxh3 Qxh3 18. Ng5 Qg3+ 19. Kh1 Qh4+ 20. Kg2 Nf4+ 21. Bxf4 exf4 22. Nf3 Qg4+ 23. Kh1 Rfe8 24. Ra3 Qh3+ 25. Nh2 Qh6 26. Qf3 Re5 27. Qg2 Rh5 28. Bd1 f3 29. Rxf3 Ng4 30. Rh3 Rxh3 31. Bxg4 Rb3 32. f4 Qh4 33. Bf3 Ra8 34. e5 Ra2 35. Qg4 Qxg4 36. Bxg4 g6 37. Nf3 Raxb2 38. exd6 cxd6 39. Nxd6 f5 40. Bh3 Rc3 41. Nc8 Bd8 42. Nd6 Rb6 43. Nb5 Rxc4 44. Ne5 Ra4 45. Bxf5 gxf5 46. Rg1+ Kf8 47. Nd7+ Kf7 48. Nxb6 Bxb6 49. Nd6+ 1/2-1/2

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Lafortune, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1987"]
[BlackElo "2046"]
[PlyCount "39"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. f4 0-0 6. Nf3 d5 7. e5 Ne4 8. Bh4 Nxc3 9. bxc3 Bh6 10. Qd2 f6 11. Bg3 c5 12. Be2 Nc6 13. exf6 cxd4 14. fxe7 Qxe7 15. cxd4 Qe4 16. c3 Bxf4 17. Bxf4 Qxf4 18. Qxf4 Rxf4 19. 0-0 Kg7 20. Rab1 1/2-1/2

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Wiesinger, Johann"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "1987"]
[BlackElo "2053"]
[PlyCount "53"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 0-0 8. d4 Nxd4 9. Bxf7+ Kxf7 10. Nxe5+ Kg8 11. Qxd4 c5 12. Qd1 Bb7 13. Nc3 b4 14. Nd5 Nxd5 15. exd5 Bd6 16. c4 bxc3 17. bxc3 Qf6 18. Ng4 Qf5 19. f3 a5 20. Be3 Rae8 21. c4 Ba6 22. Qe2 Bf4 23. Qd2 h5 24. Bxf4 Qxf4 25. Qxf4 Rxe1+ 26. Rxe1 Rxf4 27. Ne3 1/2-1/2

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Santos Etxepare, Agustin"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1979"]
[BlackElo "1987"]
[PlyCount "38"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. e3 g6 7. Be2 Bg7 8. 0-0 0-0 9. b3 Bf5 10. Bb2 Rc8 11. Nh4 Bd7 12. Rc1 h5 13. Nf3 Bf5 14. Ne5 Qd6 15. f4 Rfd8 16. Qd2 e6 17. h3 Ne4 18. Nxe4 Bxe4 19. Bf3 Bxf3 1/2-1/2

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Senzacqua, Fabrizio"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2015"]
[BlackElo "1987"]
[PlyCount "110"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Nd7 10. 0-0-0 Nb6 11. Be2 Ne5 12. b3 Bd7 13. h4 a6 14. h5 Qc7 15. h6 Bf6 16. g4 Rfc8 17. Kb2 a5 18. a4 Qc5 19. Nb1 Bxa4 20. g5 Bh8 21. f4 Nbc4+ 22. bxc4 Nxc4+ 23. Bxc4 Qxc4 24. Rc1 b5 25. Rhe1 e5 26. fxe5 Bxe5 27. Na3 Qb4+ 28. Qxb4 axb4 29. Nb1 Rc4 30. Red1 Rac8 31. Rd2 Rc3 32. Bf2 R8c4 33. Ka1 Rf3 34. Bg1 f6 35. gxf6 Rh3 36. Kb2 Rxh6 37. Rd3 Rh1 38. Nd2 Rxg1 39. Rxg1 Rxd4 40. Kc1 Rxd3 41. cxd3 Bxf6 42. Nf3 Bc3 43. Rg5 b3 44. Rd5 b2+ 45. Kb1 Bd1 46. Nd4 b4 47. Nb5 Be2 48. Rxd6 g5 49. Rd5 g4 50. Nd6 h5 51. Nf5 b3 52. e5 Kf7 53. Rd6 Bxe5 54. Nh6+ Kf8 55. Rd5 Bf6 0-1

[Event "W-ch WS/H/755 email"]
[Site "ICCF email"]
[Date "2019.11.30"]
[Round "?"]
[White "Shabaev, Vladimir Nikolaevic"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2043"]
[BlackElo "1987"]
[PlyCount "94"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Kf8 8. Nb5 Bb6 9. Nf3 Nc6 10. Bb2 Nge7 11. Nbxd4 h5 12. Qf4 Ng6 13. Nxc6 Nxf4 14. Nxd8 Bxd8 15. g3 Ng6 16. Bd3 Bd7 17. a4 Ne7 18. b5 g6 19. 0-0 Kg7 20. c4 dxc4 21. Bxc4 Bb6 22. Rfd1 Rhd8 23. Ng5 a6 24. Ne4 Nf5 25. bxa6 bxa6 26. a5 Bc7 27. Nc5 Bb5 28. Bxe6 Rxd1+ 29. Rxd1 Bxa5 30. Bxf5 gxf5 31. e6+ Kg6 32. e7 Bc7 33. Nd7 Re8 34. Nf8+ Kg5 35. Bc1+ Kf6 36. Ba3 f4 37. Rd2 Kf5 38. Rd5+ Be5 39. Nd7 Bxd7 40. Rxd7 Bf6 41. gxf4 Kxf4 42. Kf1 a5 43. Ke2 Kf5 44. Rd5+ Ke6 45. Rxa5 Bxe7 46. Bxe7 Rxe7 47. Rxh5 Kf6+ 1/2-1/2

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Lindegaard, Peter"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2031"]
[BlackElo "1971"]
[PlyCount "51"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 Nbc6 11. f4 dxc3 12. h4 Bd7 13. Qd3 Nf5 14. h5 0-0-0 15. Rb1 Kb8 16. Qxc3 Rc8 17. Bd2 Ka8 18. g3 Qd8 19. Qb2 Rc7 20. a4 Qf8 21. a5 Kb8 22. Rh3 f6 23. exf6 d4 24. Bg2 Qxf6 25. a6 b6 26. c4 1-0

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Mondrzycki, Bartlomiej"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1971"]
[PlyCount "32"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Bc4 b5 8. Bd5 Rb8 9. d3 e6 10. Bb3 Ne7 11. Nxd4 Bxd4+ 12. Kh1 Bb7 13. Ne2 Bg7 14. c3 d5 15. e5 0-0 16. d4 c4 0-1

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Bourgault, Julien"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "1971"]
[BlackElo "2029"]
[PlyCount "41"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nh6 6. a3 Bxc3 7. Bxc3 Nc6 8. dxc5 d4 9. Bd2 Qd5 10. Bxh6 Qxe5+ 11. Qe2 Qxe2+ 12. Bxe2 gxh6 13. f4 b6 14. cxb6 axb6 15. 0-0-0 Ba6 16. Bxa6 Rxa6 17. Nf3 Ra4 18. Rd3 Rg8 19. g3 Ke7 20. Rhd1 Rd8 21. Rb3 1-0

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Smith, Richard W"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "1971"]
[BlackElo "1921"]
[PlyCount "57"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. 0-0 Ra7 13. Qd3 Rd7 14. Ne4 Qg6 15. Qe3 Bb7 16. Bd3 Bxe4 17. Bxe4 Qh6 18. Qxh6 gxh6 19. Nb3 b4 20. Rae1 Rc7 21. Bd3 Rg8 22. Re4 Rg5 23. Rd4 Nd7 24. Kh1 h5 25. Bxh7 Rg4 26. Rxg4 hxg4 27. Bd3 Bd6 28. Bxa6 Kf8 29. Bb5 1/2-1/2

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Varonen, Hannu"]
[Result "1-0"]
[ECO "C82"]
[WhiteElo "1971"]
[BlackElo "1937"]
[PlyCount "61"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Bg4 11. Bc2 Be7 12. Re1 0-0 13. Nb3 Ne6 14. Qd3 g6 15. Bh6 Re8 16. Qe3 Bf8 17. Nfd4 Ncxd4 18. cxd4 Bxh6 19. Qxh6 Qg5 20. Qxg5 Nxg5 21. Rac1 Ne6 22. f3 Bf5 23. Bxf5 gxf5 24. Kf2 a5 25. Red1 a4 26. Nc5 Re7 27. Nd3 Kg7 28. Ke3 f6 29. f4 Kf7 30. g4 fxe5 31. dxe5 1-0

[Event "W-ch WS/H/737 email"]
[Site "ICCF email"]
[Date "2019.08.08"]
[Round "?"]
[White "Schelberg, Martin"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1917"]
[BlackElo "1971"]
[PlyCount "84"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Ne7 6. 0-0 0-0 7. b3 Nbc6 8. c4 dxc4 9. bxc4 Nf5 10. Bb2 Qf6 11. Nbd2 Ncxd4 12. Nxd4 Nxd4 13. Ne4 Nf3+ 14. Qxf3 Qxb2 15. Rab1 Qe5 16. Nxd6 Qxd6 17. Rfd1 g6 18. Bf1 Qc5 19. Re1 Rb8 20. Rb5 Qd6 21. Rbb1 Be6 22. Red1 Qe7 23. a4 b6 24. Rdc1 Qc5 25. Rb5 Qd4 26. Rd1 Qg4 27. Qxg4 Bxg4 28. f3 Be6 29. Rdb1 a5 30. c5 Bd7 31. R5b2 Bxa4 32. cxb6 cxb6 33. Rxb6 Rxb6 34. Rxb6 Ra8 35. Bc4 Ra7 36. Kf2 Kg7 37. Ke3 Bd7 38. Kd4 a4 39. Kc3 a3 40. Rb1 a2 41. Ra1 Be6 42. Bxe6 fxe6 0-1

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Bosetti, Roberto"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1841"]
[BlackElo "1972"]
[PlyCount "108"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. Nf3 b5 5. a4 b4 6. Ne4 Nf6 7. Nxf6+ exf6 8. e4 Qe7 9. Bxc4 Qxe4+ 10. Be3 Bd6 11. 0-0 0-0 12. h3 Ba6 13. Nd2 Qf5 14. b3 Re8 15. Rc1 Bxc4 16. Nxc4 Bf8 17. Nb2 Qd5 18. Nd3 Bd6 19. Qc2 a5 20. Rfe1 g5 21. Nc5 Ra7 22. f3 Rae7 23. Ne4 Kg7 24. Qc4 Bc7 25. g4 f5 26. gxf5 Qxf5 27. Qc5 Qxc5 28. Rxc5 h6 29. Kg2 Bb6 30. Rf5 Nd7 31. Rc1 Rc8 32. Bf2 Kg6 33. Ng3 Nf6 34. Re5 Rxe5 35. dxe5 Bxf2 36. Kxf2 Nd7 37. Rd1 Nxe5 38. Rd6+ f6 39. Ne4 c5 40. Rxf6+ Kg7 41. Re6 Nd3+ 42. Ke3 Nc1 43. Re7+ Kf8 44. Re6 Nxb3 45. Rxh6 Kg7 46. Rh5 c4 47. Rxg5+ Kh6 48. Rg4 c3 49. Rh4+ Kg7 50. Rg4+ Kf8 51. Rf4+ Ke7 52. Ng3 c2 53. Ne2 Rc3+ 54. Ke4 Nc5+ 0-1

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Buczinski, Henryk"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1919"]
[BlackElo "1972"]
[PlyCount "52"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. Nc3 Nc7 6. Bxc6 dxc6 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 g6 10. d3 Bg7 11. Qg3 0-0 12. Be3 b6 13. f4 Qd7 14. Ne4 Nd5 15. Rae1 Rae8 16. a3 f5 17. Ng5 Bh6 18. Nf3 Nxe3 19. Rxe3 e6 20. Qh4 Bg7 21. Ng5 h6 22. Nf3 Kh7 23. Kh2 Rg8 24. g4 Bf8 25. Rg1 Be7 26. g5 h5 1/2-1/2

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Diaz Garcia, Carlos Luis"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1708"]
[BlackElo "1972"]
[PlyCount "50"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Bb5 Qb6 7. a4 cxd4 8. cxd4 e6 9. Ngf3 a6 10. Bxc6+ bxc6 11. b3 Bb4 12. 0-0 Bd3 13. Re1 Ne4 14. Ra2 Nc3 15. Qa1 Nxa2 16. Qxa2 f6 17. h3 c5 18. Rc1 cxd4 19. exd4 0-0 20. Bc7 Qa7 21. Bf4 Rac8 22. Rxc8 Rxc8 23. Qa1 Qb6 24. Ne1 Bg6 25. Kh2 Bc3 0-1

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Grech, Gerlando"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1620"]
[BlackElo "1972"]
[PlyCount "64"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nf3 b6 8. 0-0 Ne7 9. Bg5 h6 10. Bxe7 Bxe7 11. Nbd2 0-0 12. Nb3 c4 13. Nbd2 b5 14. a3 a5 15. h3 b4 16. axb4 axb4 17. Qc2 Qb6 18. Nh2 Rfb8 19. Rfb1 b3 20. Qd1 Ra2 21. Ng4 Rba8 22. f4 Qb5 23. Ne3 Qa4 24. Rxa2 bxa2 25. Ra1 Qxd1+ 26. Nxd1 f6 27. b4 cxb3 28. Nxb3 Rb8 29. Nd2 Ba4 30. Kf2 fxe5 31. fxe5 Bxd1 32. Rxd1 Rb2 0-1

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Clark, Sean"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "1972"]
[BlackElo "1892"]
[PlyCount "24"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[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. b4 Bb6 5. a4 a6 6. Nc3 Nf6 7. 0-0 d6 8. Nd5 0-0 9. Nxb6 cxb6 10. d3 Nxb4 11. Rb1 a5 12. Ba3 Re8 1/2-1/2

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Gerard, Andre"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1972"]
[BlackElo "1776"]
[PlyCount "28"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 a6 5. d4 Nf6 6. Bd3 Nc6 7. c3 g6 8. 0-0 Bg7 9. Nxc6 bxc6 10. Re1 0-0 11. Nd2 Qc7 12. Nf3 Re8 13. Ne5 Nd7 14. Ng4 Nf6 1/2-1/2

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Hoogkamer, Michael"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "1972"]
[BlackElo "1985"]
[PlyCount "33"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[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. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6 11. Bg5 Nbd7 12. Nc3 h6 13. Bxf6 Nxf6 14. Rfd1 Qe7 15. Nd2 Bxg2 16. Kxg2 Rfd8 17. Nde4 1/2-1/2

[Event "EU A/Cup C19/pr13 email"]
[Site "ICCF email"]
[Date "2019.02.10"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Wilshusen, Horst"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1972"]
[BlackElo "1464"]
[PlyCount "49"]
[EventDate "2019.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 Nc6 9. Nf3 cxd4 10. cxd4 Nge7 11. Be2 Bd7 12. 0-0 0-0-0 13. Qxg7 Rdg8 14. Qf6 Rf8 15. Qh6 Rfg8 16. Bg5 Rg6 17. Qh4 Ng8 18. c4 dxc4 19. Bxc4 Na5 20. Bd3 h6 21. Rfc1 Bc6 22. d5 Rxg5 23. dxc6 Nxc6 24. Nxg5 Qe7 25. Nf3 1-0

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Donk, Diederik Van"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2150"]
[BlackElo "1969"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Kf8 8. Nb5 Bb6 9. Nf3 Nc6 10. Bb2 Nge7 11. Nbxd4 h5 12. Qf4 Ng6 13. Nxc6 bxc6 14. Qg3 a5 15. Bd3 Ba6 16. Bxg6 fxg6 17. Bd4 Kg8 18. Kd2 Qc7 19. Qf4 c5 20. bxc5 Bxc5 21. Ng5 Bxd4 22. Qxd4 Rc8 23. Ra2 h4 24. g4 Qe7 25. f4 Rc4 26. Qe3 d4 27. Qb3 Qf8 28. Rf1 Rc6 29. Rf2 Bc4 30. Qa4 Bd5 31. Rb2 h3 32. Qxd4 Rh4 33. Qd3 1-0

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Holtrop, Bernard"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2067"]
[BlackElo "1969"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[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 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Nf3 Nbd7 11. a4 Qb6 12. Kg2 0-0 13. Ra3 Rfb8 14. Qc2 Ne8 15. h4 h5 16. Nb5 Qd8 17. b3 Ne5 18. Nd2 Nc7 19. Nxc7 Qxc7 20. Bb2 Qb7 21. Bxe5 Bxe5 22. Rb1 Bd4 23. Qd3 Ra6 24. Ra2 Qa7 25. f4 Kg7 26. f5 Rab6 27. Rf1 Rb4 28. Qf3 Qa6 29. fxg6 fxg6 30. Qf7+ Kh6 31. Nf3 Rxb3 32. Ng5 Bg7 33. Ne6 1-0

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Kruimer, Wim"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2127"]
[BlackElo "1969"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[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 e6 2. c4 d5 3. exd5 exd5 4. d4 Bb4+ 5. Nc3 Nf6 6. Bd3 dxc4 7. Bxc4 0-0 8. Nge2 Nbd7 9. 0-0 Nb6 10. Bb3 Re8 11. Nf4 a5 12. a3 Bd6 13. Qd3 a4 14. Ba2 Ra5 15. Nb5 c6 16. Nxd6 Qxd6 17. Qc3 Rf5 18. Re1 Rxe1+ 19. Qxe1 g6 20. g3 Qxd4 21. Be3 Qd8 22. Rd1 Nbd5 23. h4 Bd7 24. Nxd5 Nxd5 25. Bxd5 Rxd5 1/2-1/2

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Leijen, Peter"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2273"]
[BlackElo "1969"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 Ne7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Nxc3 a6 14. Ne2 Nf5 15. Rg1 Na5 16. Rb1 Ba4 17. c3 Nb3 18. g4 Bb5 19. Qd1 Nxc1 20. Qxc1 Qc5 21. Rg2 Ne3 22. Rg3 Nxg4 1/2-1/2

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Eijkenboom, Raph"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1969"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[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. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5 10. 0-0 dxe4 11. c3 Qd6 12. Qxd6 cxd6 13. cxd4 Be6 14. Nc3 Nxd4 15. Bg5 h6 16. Rfd1 Nf5 17. Bf4 d5 18. Nxd5 g5 19. Be5 Rhd8 20. Nc7 Rac8 21. Re1 Bd7 22. a4 a6 23. b4 Nh4 1/2-1/2

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Heer, Henk J J De"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1969"]
[BlackElo "2041"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. Rad1 Nd7 14. Bxg7 Kxg7 15. f4 Qb6+ 16. Kh1 Nc5 17. Bf3 Qb4 18. Qe2 Rad8 19. e5 Na4 20. exd6 Rxd6 21. Rxd6 exd6 22. Bxc6 bxc6 23. Nxa4 Qxa4 24. b3 Qa3 25. f5 f6 26. Rd1 Rf7 27. fxg6 hxg6 28. h3 Rb7 29. Rd4 1/2-1/2

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Spoor, Eric"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "1969"]
[BlackElo "2222"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "NED"]
[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. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 h6 11. Bh4 dxe5 12. fxe5 g5 13. exf6 gxh4 14. Be2 Qa5 15. 0-0 Nd7 16. Kh1 Qg5 17. Qd3 Nc5 18. Qf3 Rg8 19. Rfd1 Bd7 20. Rxb7 Qxg2+ 21. Qxg2 Rxg2 22. Nxe6 Nxb7 23. Nc7+ Kd8 24. Nxa8 Rxe2 25. Nxe2 Bc5 26. Kg2 Kc8 27. Nf4 Bc6+ 28. Nd5 Kb8 29. Nac7 Bd6 30. Nxa6+ Ka7 31. Nab4 Bxb4 32. Kh3 Bc5 33. Kxh4 1/2-1/2

[Event "NED-ch 2018 prel/B email"]
[Site "ICCF email"]
[Date "2018.12.27"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Vaessen, Jos"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1969"]
[BlackElo "1304"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[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 f6 3. Nxe5 fxe5 4. Qh5+ g6 5. Qxe5+ Qe7 6. Qxh8 Nf6 7. d3 Qg7 8. Qxg7 Bxg7 9. Be2 Nc6 10. c3 b6 11. Na3 Bb7 12. f4 0-0-0 13. g4 Nb8 14. g5 Ng8 15. 0-0 Ne7 16. f5 Rf8 17. f6 Bxf6 18. gxf6 Ng8 19. e5 Nc6 20. d4 Na5 21. b4 Nc6 22. Bf4 a5 23. b5 Na7 24. Be3 Be4 25. f7 Ne7 26. Bh6 1-0

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Chatel, Maurizio"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "2089"]
[BlackElo "1969"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Qd2 Bb7 12. f3 d6 13. Be2 0-0 14. b4 Qd7 15. 0-0 Rac8 16. a4 Rfd8 17. Rc2 Rf8 18. Rfc1 Be5 19. Nd5 Nc7 20. Nxc7 Qxc7 21. b5 e6 22. a5 f5 23. axb6 axb6 24. exf5 exf5 25. f4 Bf6 26. Bf1 Rfe8 27. Rd1 d5 28. Qf2 Qf7 29. Rdc1 Rxe3 30. Qxe3 d4 31. Qd2 Be4 32. Bd3 Be7 33. Ra2 Bc5 34. Re1 Re8 35. g3 h5 36. h4 Kh7 37. Kh2 Re7 1/2-1/2

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Kudrya, Aleksey Grigorievic"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1969"]
[BlackElo "1911"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 a6 7. d4 Ba7 8. dxe5 Ng4 9. Bf4 Qe7 10. Nbd2 Ngxe5 11. Bd5 d6 12. h3 Qf6 13. Bg3 Re8 14. Kh1 Ng6 15. a4 Nf4 16. Qb3 Ne5 17. Bh4 Qg6 18. Bg3 Ned3 19. Bc4 Qh5 20. Bxd3 Bxh3 21. Bxf4 Be6+ 22. Kg1 Bxb3 23. Nxb3 Qg4 24. Bd2 h5 25. Nbd4 h4 26. Nh2 Qh5 27. Ne2 c6 28. Nf4 Qg5 29. Bc2 Qf6 30. Rfe1 d5 31. exd5 cxd5 32. Nf3 Qb6 33. Nd3 h3 34. Be3 Qg6 35. Nh4 Qg4 36. Bxa7 Qxh4 37. g3 Qg4 38. Bd4 Re2 39. Rxe2 Qxe2 40. Rc1 Re8 41. Kh2 Re6 42. Nf4 Qd2 43. Nd3 1/2-1/2

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Manarin, Franco"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1969"]
[BlackElo "1935"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. a3 Qc7 10. Bd3 c4 11. Be2 Nb6 12. 0-0 Be7 13. Nd1 0-0 14. Qe1 a5 15. Qg3 b4 16. f5 f6 17. axb4 axb4 18. Rxa8 Nxa8 19. fxe6 Bxe6 20. Bh6 Bd8 21. Bf4 fxe5 22. Bxe5 Nxe5 23. Nxe5 Rxf1+ 24. Kxf1 Qb6 25. c3 bxc3 26. bxc3 Nc7 27. Bg4 1/2-1/2

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Vieito Soria, Luis M"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "1969"]
[BlackElo "1841"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 e6 6. g4 h6 7. Rg1 Nc6 8. Be3 e5 9. Nb3 Be6 10. Qe2 Be7 11. 0-0-0 Nd7 12. Kb1 Nb6 13. Qd2 Bg5 14. Qxd6 Qxd6 15. Rxd6 Bxe3 16. fxe3 Ke7 17. Rd1 Rhd8 18. Bd3 Rac8 19. Nc5 Na5 20. Nxe6 fxe6 21. g5 h5 22. Rg3 1-0

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Schmidt, Peter"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2094"]
[BlackElo "1969"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 Nf4 12. Bxf4 Nxd4 13. Bd3 Ne6 14. Be3 b6 15. Rae1 c6 16. f4 Nc5 17. Bb1 Ba6 18. b3 Qf6 19. e5 dxe5 20. f5 Qd8 21. Qc1 Bc8 22. Rd1 Qc7 23. b4 Nb7 24. Bh6 Bh8 25. Ne4 Qe7 26. Bg5 1-0

[Event "W-ch WS/H/691 email"]
[Site "ICCF email"]
[Date "2018.10.24"]
[Round "?"]
[White "Varonen, Hannu"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1918"]
[BlackElo "1969"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Bxd4 13. Qxd4 Qb6 14. Na4 Qc7 15. Bc4 Rd8 16. Bb3 Be6 17. Nc5 Nf4 18. Nxe6 Nxe6 19. Qe3 Nf4 20. Rxd8+ Rxd8 21. g3 Nd5 22. Qc5 Qb6 1/2-1/2

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Di Peco, Diego"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1922"]
[BlackElo "1953"]
[PlyCount "36"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nf3 a6 7. Bxd7+ Bxd7 8. 0-0 Nxd5 9. Qb3 Nb6 10. Nc3 Be7 11. d4 Be6 12. Qc2 0-0 13. Bf4 Rc8 14. Rfe1 Nd5 15. Bg3 Re8 16. Rad1 c6 17. Ne5 Nb4 18. Qb1 Qa5 0-1

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Hutman, Martin"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1975"]
[BlackElo "1953"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 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 Qxc1+ 27. Kxc1 h5 28. gxh5 gxh5 29. Kd1 e6 30. Bd3 Ke7 31. Bf1 Kd6 32. Ke2 h4 33. Kd3 Be1 34. a3 f5 35. b4 Kc6 36. c4 Bf2 37. Kc3 e5 38. Bg2 1-0

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Klein, Markus"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1903"]
[BlackElo "1953"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. Bd2 cxd4 7. Nb5 Bc7 8. f4 Ne7 9. Nf3 Nbc6 10. Bd3 Bd7 11. 0-0 a6 12. Nbxd4 Nxd4 13. Nxd4 Bb6 14. c3 Bb5 15. Bxb5+ axb5 16. Be3 0-0 17. Qd3 Qd7 18. Rae1 Bxd4 19. Bxd4 Nf5 20. Bc5 Rfc8 21. Bb4 h5 22. Qf3 g6 23. Rd1 Qc7 24. Kh1 Qb6 25. Rd3 Rc4 26. Re1 h4 27. Qf1 Kg7 28. b3 Re4 29. Rf3 Rh8 30. Rh3 Rxe1 31. Qxe1 d4 32. Qf2 Qc6 33. Qf3 Qd7 34. Qd1 Qd5 35. cxd4 Rc8 36. Bc3 Qe4 37. Qg1 Qc2 38. Qe1 Qxb3 39. Bb4 Qa2 0-1

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Nouveau, Laurent"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1953"]
[BlackElo "1929"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[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 0-0 12. Nc2 Bg5 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 Kh8 17. Nce3 g6 18. h4 Bxh4 19. g3 Bg5 20. f4 exf4 21. gxf4 Bh4+ 22. Kf1 f5 23. Ra2 fxe4 24. Rah2 g5 25. Qh5 Ne5 26. Ke2 Nxc4 27. fxg5 Rxb3 28. Rxh4 Rb2+ 29. Ke1 Rb1+ 30. Nd1 Bf5 31. g6 Rb7 32. Rf4 Be6 33. Rxf8+ Qxf8 34. Qxh7+ Rxh7 35. Rxh7+ Kg8 36. Ne7+ Qxe7 37. Rxe7 Bf5 38. Rc7 Ne5 39. g7 Nf7 40. Ne3 Bh3 41. Re7 Kxg7 42. Rxe4 Ne5 43. Ra4 Kf7 44. Rxa5 Ke6 45. Kd2 Kd7 46. c4 Be6 47. Ra7+ Kc6 48. Kc3 Kb6 49. Re7 Bf7 50. Ng4 Nxg4 51. Rxf7 Ne5 52. Rf6 Kc6 1/2-1/2

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Preussner, Michael"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "1953"]
[BlackElo "2004"]
[PlyCount "39"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. c3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Re8 13. Ne3 h6 14. Bb3 Na5 15. Bd5 Nxd5 16. Nxd5 Be6 17. Be3 f5 18. b4 fxe4 19. dxe4 Nc4 20. Qd3 1/2-1/2

[Event "W-ch WS/H/669 email"]
[Site "ICCF email"]
[Date "2018.05.26"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Soares, Francisco"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1953"]
[BlackElo "2022"]
[PlyCount "35"]
[EventDate "2018.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[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. h3 Bh5 10. Nbd2 Nb6 11. b4 Be7 12. b5 Na5 13. g4 Bg6 14. Nxe5 Bf6 15. Nxg6 hxg6 16. Ne4 Naxc4 17. dxc4 Nxc4 18. Bf4 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Jacon, Marcel"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1757"]
[BlackElo "1920"]
[PlyCount "40"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. f3 Nc6 9. 0-0 Ne5 10. Bb3 Bd7 11. a4 Rc8 12. a5 a6 13. Nde2 Nc4 14. Bxc4 Rxc4 15. b3 Rc8 16. Bb6 Qe8 17. Qd2 Be6 18. h3 Qc6 19. Nd4 Qxc3 20. Nxe6 Qxd2 0-1

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Molina, Ruben"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B77"]
[BlackElo "1920"]
[PlyCount "42"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bxe6 fxe6 12. 0-0-0 Qa5 13. Rhe1 Nd7 14. Bxg7 Kxg7 15. e5 d5 16. Kb1 Rac8 17. h4 Rf5 18. f4 Rc4 19. Ne2 Qxd2 20. Rxd2 Rf8 21. Nd4 Nc5 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Montella, Salvatore"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2358"]
[BlackElo "1920"]
[PlyCount "51"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 Qb6 17. Rhe1 Rfe8 18. g4 f5 19. h3 Rc7 20. Re3 b4 21. a4 Kg8 22. Rde1 Bc8 23. R3e2 Ba6 24. Rh2 Rf8 25. Kb1 fxg4 26. fxg4 1-0

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Jacon, Marcel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1920"]
[BlackElo "1757"]
[PlyCount "35"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Nh5 10. g4 Bxd4 11. Bxd4 Nxd4 12. Qxd4 Qa5 13. gxh5 Re8 14. hxg6 Qh5 15. gxf7+ Qxf7 16. Rg1+ Kf8 17. Qh8+ Qg8 18. Qxg8# 1-0

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Molina, Ruben"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1920"]
[PlyCount "45"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. f3 Bg7 8. Qd2 0-0 9. 0-0-0 d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Ne4 Qc7 15. Bc5 Rfd8 16. h4 Nf4 17. Bxe6 Rxd1+ 18. Qxd1 Nxe6 19. Be3 f5 20. Qd6 Re8 21. Qxc7 Nxc7 22. Nd6 Re6 23. Nc4 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Montella, Salvatore"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1920"]
[BlackElo "2358"]
[PlyCount "53"]
[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 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. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Ne4 Qc7 15. Bc5 Rfd8 16. Qh4 h6 17. g4 Rd7 18. Rhe1 Rad8 19. g5 h5 20. Qf2 Qa5 21. h4 Nf4 22. Rxd7 Rxd7 23. Bxe6 Nxe6 24. a3 Kh7 25. Be3 Qd5 26. Kb1 Rb7 27. Bc5 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Schelberg, Martin"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1920"]
[BlackElo "1763"]
[PlyCount "101"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 a6 9. 0-0-0 b5 10. h4 b4 11. Nce2 Qa5 12. a3 Bd7 13. Kb1 Nc6 14. Nxc6 Bxc6 15. Qxb4 Qxb4 16. axb4 Rfb8 17. Bd2 Nd7 18. Be1 h5 19. Nd4 Bb7 20. c3 Ne5 21. Bf2 Nc6 22. Kc2 Nxd4+ 23. Bxd4 Rc8 24. Bxg7 Kxg7 25. Bd3 Bc6 26. Ra1 Bb5 27. Ra5 Rab8 28. Kd2 Rb6 29. Ke3 Rd8 30. Bxb5 axb5 31. Ra7 Kf6 32. Rha1 Rbb8 33. R1a6 Ke6 34. f4 f6 35. f5+ Kf7 36. fxg6+ Ke6 37. g4 Rh8 38. c4 hxg4 39. c5 g3 40. cxd6 exd6 41. Rh7 f5 42. Raa7 fxe4 43. Rhe7+ Kf5 44. g7 Rh6 45. Rxe4 Rg8 46. Rb7 g2 47. Rxb5+ Kf6 48. Rg5 Rxh4 49. Rxg2 Rxg7 50. Rxg7 Rh3+ 51. Kd4 1-0

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Steenstrup, Svend"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1920"]
[BlackElo "2212"]
[PlyCount "50"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rb8 11. Bb3 Na5 12. h4 b5 13. h5 Nc4 14. Bxc4 bxc4 15. Bh6 Qb6 16. b3 Bxh6 17. Qxh6 Qa5 18. Kb2 Rfc8 19. Qe3 Qe5 20. hxg6 fxg6 21. Qh6 cxb3 22. cxb3 Rb4 23. f4 Qc5 24. Nd5 Rxd4 25. Nxf6+ Kf7 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Weiss, Lester P"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "1920"]
[BlackElo "2090"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Nxd4 10. Bxd4 Be6 11. Nd5 Bxd5 12. exd5 a6 13. Bb3 b5 14. 0-0 Nd7 15. Rfe1 Bxd4+ 16. Qxd4 Re8 17. c3 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Schelberg, Martin"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1763"]
[BlackElo "1920"]
[PlyCount "70"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 Nxd4 10. Bxd4 Be6 11. 0-0-0 Qa5 12. a3 Rfc8 13. h4 Rab8 14. g5 Nh5 15. Bxg7 Kxg7 16. Bh3 Rc7 17. f4 b5 18. Bxe6 fxe6 19. Rh3 b4 20. Ne2 Rc4 21. Nd4 e5 22. fxe5 Qxe5 23. axb4 Rbxb4 24. c3 Nf4 25. Re3 Rb6 26. Nc2 Rxe4 27. Rde1 d5 28. Kb1 Rxe3 29. Rxe3 Qd6 30. Qd4+ Kg8 31. Qa4 Rb8 32. Qxa7 e5 33. Re1 Nd3 34. Rf1 d4 35. Rf7 Rxb2+ 1/2-1/2

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Steenstrup, Svend"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2212"]
[BlackElo "1920"]
[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. 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. Qe1 e6 11. h4 Qc7 12. Ndb5 Qa5 13. h5 dxe4 14. hxg6 fxg6 15. a3 exf3 16. gxf3 Nd5 17. Qh4 h5 18. Nxd5 exd5 19. Rxd5 Be6 20. Rd6 1-0

[Event "WS TT/7/17/2 email"]
[Site "ICCF email"]
[Date "2017.12.15"]
[Round "?"]
[White "Weiss, Lester P"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2090"]
[BlackElo "1920"]
[PlyCount "40"]
[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 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. Bd4 Bxd4 13. Qxd4 Qc7 14. Bc4 e5 15. Qd2 Be6 16. Ne4 Rad8 17. Qh6 f6 18. h4 Qg7 19. Qxg7+ Kxg7 20. Nc5 Bf7 1/2-1/2

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Camps, Jean Pierre"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "1969"]
[BlackElo "1920"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Re1 0-0 11. Bd3 Re8 12. c3 Bd7 13. Qc2 Ng6 14. Bd2 Qc7 15. h3 Nce5 16. Nxe5 Rxe5 17. Nd4 Rae8 18. Rxe5 Bxe5 19. Nf3 Bf4 20. Bxf4 Qxf4 21. Bxg6 hxg6 22. Qd1 Qd6 23. Qd2 Qa6 24. Nd4 f6 25. Qc2 Kh7 26. h4 Re5 27. Qb3 b6 28. Qc2 Qc8 29. g3 Qe8 30. Kg2 Kg8 31. Rh1 Bf5 32. Qd1 Bd7 33. f3 a5 34. Kf2 Bb5 35. Re1 Bc4 36. b3 Ba6 37. Nc2 Qc6 38. Qd2 Qc5+ 39. Nd4 Qc8 40. Kg2 Qe8 41. Nc2 Qd7 42. g4 Bb7 43. Nd4 1/2-1/2

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Hadi, Justin"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "E81"]
[BlackElo "1920"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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. f3 0-0 6. Be3 Nbd7 7. Nge2 c5 8. d5 Ne5 9. Ng3 h5 10. Be2 h4 11. Nf1 e6 12. f4 Nxc4 13. Bxc4 b5 14. Bxb5 exd5 15. e5 dxe5 16. fxe5 Bg4 17. exf6 Bxd1 18. fxg7 Kxg7 19. Bxc5 h3 20. Rxd1 hxg2 21. Rg1 gxf1Q+ 22. Kxf1 Qh4 23. Rg2 Rfd8 24. Rd4 1/2-1/2

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Eife, Gunter"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "1920"]
[BlackElo "1917"]
[PlyCount "11"]
[EventDate "2017.??.??"]
[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. Nc3 a6 6. Bg5 1-0

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Mileto, Gabriele"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1920"]
[PlyCount "54"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Nc6 6. Nc3 Nxc3 7. bxc3 g6 8. d4 Bg7 9. Bd3 0-0 10. 0-0 Re8 11. Bg5 Qd7 12. Re1 b6 13. Rxe8+ Qxe8 14. Qc2 Bb7 15. Re1 Qd7 16. Be4 h6 17. Bf4 Re8 18. Qa4 Re7 19. Bd5 Na5 20. Qxd7 Rxd7 21. Bxb7 Nxb7 22. Re8+ Kh7 23. Ra8 Na5 24. Rxa7 Nxc4 25. h4 Bf6 26. g4 Re7 27. g5 Bg7 1/2-1/2

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Ribes Almela, Jose Joaquin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1920"]
[BlackElo "2016"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. d4 0-0-0 6. Be3 e5 7. c4 Qa5+ 8. Bd2 Bb4 9. d5 Bxf3 10. Bxf3 Nd4 11. Nc3 f5 12. a3 Bxc3 13. Bxc3 Qb6 14. 0-0 Nh6 15. Bxd4 exd4 16. Qd2 Nf7 17. Rad1 Rhe8 18. Qxd4 Qxd4 19. Rxd4 g6 20. Rdd1 Ng5 21. Rfe1 Nxf3+ 22. gxf3 Rxe1+ 23. Rxe1 Kd7 24. Kf1 a5 25. b3 Rc8 26. Ke2 Re8+ 27. Kd2 Rxe1 28. Kxe1 Kd6 29. Kd2 Ke5 30. Kd3 f4 31. b4 a4 32. h3 g5 33. b5 Kd6 34. b6 1-0

[Event "W-ch WS/H/634 email"]
[Site "ICCF email"]
[Date "2017.10.28"]
[Round "?"]
[White "Rogers, Bradley"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1999"]
[BlackElo "1920"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 Qb6 5. Na3 cxd4 6. Nb5 Na6 7. exd4 d6 8. a4 Be7 9. Be2 0-0 10. 0-0 Qd8 11. a5 Nc7 12. Nxc7 Qxc7 13. c4 Bd7 14. Bd3 Bc6 15. Re1 Rfe8 16. b4 a6 17. Rc1 Qd7 18. h3 h6 19. Qe2 Bf8 20. Be3 e5 21. d5 e4 22. dxc6 bxc6 23. Bc2 exf3 24. Qxf3 d5 25. Bd4 Rxe1+ 26. Rxe1 Bxb4 27. Bxf6 Bxe1 28. Qg3 g6 29. Bxg6 Bxf2+ 30. Kxf2 Qa7+ 31. Kf3 fxg6 32. Qxg6+ Kf8 33. Qxh6+ Kf7 34. cxd5 cxd5 35. Bb2 Rf8 1/2-1/2

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Bobel, Philippe"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "1880"]
[BlackElo "2292"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[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. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. 0-0-0 b4 10. Na4 Nbd7 11. Qb3 Ra7 12. f5 e5 13. Bc4 exd4 14. Bxf7+ Kd8 15. Rxd4 Ne5 16. Be6 Nc6 17. Rhd1 Rb7 18. Nc5 Rb5 19. Rd5 Ke8 20. Bxc8 Qxc8 21. Bxf6 gxf6 22. Ne6 Rxd5 23. Qxd5 Be7 24. Ng7+ Kf8 25. Ne6+ Ke8 26. Ng7+ Kf8 1/2-1/2

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Gravett, Alan D"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "1880"]
[PlyCount "29"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[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. Bg5 Nc6 7. Qd2 e6 8. 0-0-0 Be7 9. f4 Nxd4 10. Qxd4 0-0 11. Be2 b5 12. Bf3 Bb7 13. h4 Rc8 14. e5 dxe5 15. Qxd8 1-0

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Moise, Octavian"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1880"]
[BlackElo "2392"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[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. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. 0-0 Bxd5 13. exd5 Ne7 14. Nxb5 Bg7 15. Nc3 e4 16. Be2 Ng6 17. Qd2 0-0 18. a4 Re8 19. Ra3 f4 20. Rb3 f3 21. gxf3 Qh4 22. Nxe4 Bh6 23. Qd1 Nf4 24. Kh1 Nxe2 25. Qxe2 Bf4 26. Rg1+ Kh8 27. Rg2 f5 28. Nxd6 Bxd6 29. Re3 Rg8 30. Qd3 Rxg2 31. Kxg2 Bc5 32. Qxf5 Bxe3 33. Qe5+ Kg8 34. fxe3 Kf7 35. Qe6+ Kg7 36. b3 Rf8 37. c4 Qg5+ 38. Kf2 Qh5 39. Ke2 Qxh2+ 40. Kd3 Qh5 41. Qxa6 Qf5+ 42. Kd2 Qxf3 43. Qe6 Qf2+ 0-1

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Portych, Vaclav"]
[Black "Mulder, Catharinus"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2130"]
[BlackElo "1880"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Qd1 b6 10. Qb1 Ba6 11. Bxa6 Qxa6 12. a4 Qc4 13. Ne2 Nc6 14. Qb5 cxd4 15. Qxc4 dxc4 16. cxd4 Rd8 17. 0-0 f6 18. exf6 Nxf6 19. Rfb1 Kf7 20. a5 Nxd4 21. Nxd4 Rxd4 22. Be3 Rd7 23. axb6 axb6 24. g3 Rc8 25. Rxb6 Nd5 26. Rba6 Nxe3 1/2-1/2

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Van Dijk, Henk"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2171"]
[BlackElo "1880"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. exf6+ Nxf6 12. Ng6+ hxg6 13. Qxh8 Kf7 14. 0-0 e5 15. Nb3 Ne6 16. Be3 d4 17. Rad1 Bd7 18. Bd2 a5 19. Rfe1 a4 20. Nc1 Qc7 21. Qh4 Bd6 22. Bg5 Be7 23. Ne2 Ra5 24. Rc1 Qb6 25. Bxf6 Bxf6 26. Qe4 g5 27. h3 Rc5 28. Qh7 Ke7 29. Ng3 Nf4 30. Be4 Kf7 31. b4 Qxb4 32. Rb1 Qa5 33. Bxb7 Rc7 34. Bf3 Be6 35. Kh2 1-0

[Event "FRA AJEC 80 jub op Gr-12 email"]
[Site "ICCF email"]
[Date "2017.06.01"]
[Round "?"]
[White "Wosch, Arkadiusz Janusz"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2277"]
[BlackElo "1880"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FRA"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 b5 9. Ne3 Nf6 10. g3 h5 11. Bg2 h4 12. 0-0 h3 13. Bh1 0-0 14. Ncd5 Nxd5 15. Nxd5 Bg5 16. f4 exf4 17. gxf4 Bh4 18. Be3 Ne7 19. Nb6 Rb8 20. Nxc8 Qxc8 21. Qh5 Bf6 22. Rf3 Bxb2 23. Re1 Re8 24. Rxh3 Kf8 25. Bg2 Qc7 26. c3 Qxc3 27. Qe2 Ba3 28. Bf2 Qa5 29. Kh1 Ng8 30. e5 Bc5 31. Bd5 Qb6 32. Rh7 1-0

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Burklow, Ronnie"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1459"]
[BlackElo "1880"]
[PlyCount "38"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. h3 Nf6 7. Bg5 h6 8. Qe2+ Be6 9. Be3 0-0 10. Nd2 Re8 11. 0-0-0 a5 12. a4 Ne7 13. Ngf3 Bd7 14. Nh4 Bxa4 15. b3 Bd7 16. g4 a4 17. Bb5 axb3 18. Nxb3 Ne4 19. Kb2 Bxb5 0-1

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Gerard, Andre"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1801"]
[BlackElo "1880"]
[PlyCount "64"]
[EventDate "2017.??.??"]
[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. Nf3 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bf4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Bb5+ Nd7 9. 0-0 0-0 10. Be2 Qa5 11. c4 Nb6 12. cxd5 Nxd5 13. Be5 Nc3 14. Qd2 Be6 15. Bxg7 Kxg7 16. Ng5 Bd5 17. Rfe1 Qb4 18. a3 Qb2 19. Bf3 Rfd8 20. Qc1 Qxc1 21. Raxc1 cxd4 22. exd4 e6 23. Ne4 Rac8 24. Nxc3 Rxc3 25. Re3 Rc4 26. Bxd5 Rxd5 27. f3 Rcxd4 28. Kf2 b6 29. h3 Kf6 30. g4 h5 31. Kf1 Rd1+ 32. Rxd1 Rxd1+ 0-1

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Ma, Joseph"]
[Black "Mulder, Catharinus"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1880"]
[PlyCount "20"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Nf3 Nf6 6. Bd3 0-0 7. 0-0 Bg4 8. Bg5 c6 9. Nb1 h6 10. Bf4 Bd6 0-1

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Bellisario, Carlo"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "1880"]
[BlackElo "1461"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. Bc4 Qc7 10. Bb3 b5 11. Bh6 0-0 12. Bxg7 Kxg7 13. h4 Nc5 14. h5 Nxb3 15. axb3 e5 16. Ndxb5 Qe7 17. hxg6 fxg6 18. Qxd6 Qxd6 19. Nxd6 Be6 20. Ra5 Nd7 21. Ke2 Rfb8 22. Rd1 Rb6 23. Nc4 Bxc4+ 24. bxc4 Nf6 25. b3 Re8 26. Nd5 Nxd5 27. exd5 e4 28. f4 Kf6 29. c5 1-0

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Harman, Kenneth B"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "1880"]
[BlackElo "1554"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Ne4 h6 13. Bh4 Qxa2 14. Rd1 Qd5 15. Qe3 Qxe5 16. Be2 Bc5 17. Bg3 Bxd4 18. Rxd4 Qa5+ 19. Rd2 0-0 20. Bd6 Re8 21. 0-0 Nc6 22. Qg3 Ne7 23. Bc7 Qa4 24. Qf4 1-0

[Event "W-ch WS/O/988 email"]
[Site "ICCF email"]
[Date "2017.05.18"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Ruiz Blanco, Javier"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1880"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 Nf6 4. d3 Bc5 5. 0-0 d5 6. exd5 Nxd5 7. Re1 0-0 8. Nbd2 Bg4 9. h3 Bh5 10. Ne4 Be7 11. Ng3 Bxf3 12. Qxf3 Ndb4 13. Qd1 Nd4 14. c3 Nbc2 15. cxd4 Nxa1 16. dxe5 a6 17. Nf5 b5 18. Bd5 c6 19. Be4 g6 20. Nh6+ Kh8 21. Be3 f5 22. exf6 Bxf6 23. Qxa1 Bd4 24. Ng4 Bxe3 25. Rxe3 Ra7 26. b4+ Rg7 27. Bxc6 h5 28. Ne5 Qd6 29. Be4 Qf6 30. Rf3 Qxf3 31. Nxf3 g5 32. Nxg5 Kg8 33. Ne6 Rff7 34. Nxg7 Rxg7 35. Qe5 1-0

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Beijer, Berry"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "1993"]
[PlyCount "23"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 dxe5 7. dxe5 Nc6 8. Bc4 Be6 9. Qe2 g6 10. Bd2 Bg7 11. Nc3 Nc7 12. Rd1 1-0

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Lagendijk, Simon"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2370"]
[BlackElo "1993"]
[PlyCount "31"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 dxe5 8. Bxd5 Qxd5 9. Nc3 Qc4 10. d5 Nb4 11. Nxe5 Qa6 12. a3 Bf5 13. axb4 Qxa1 14. 0-0 Qa6 15. Re1 f6 16. Qf3 1-0

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Beijer, Berry"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1993"]
[PlyCount "26"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. cxd4 a5 10. Nc3 a4 11. Bc2 g6 12. 0-0 Bg7 13. Nb5 Qd7 0-1

[Event "NED-ch WS15-F email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "De Haas, Richard"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1993"]
[PlyCount "24"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "NED"]
[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 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. c3 Bg7 0-1

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Lagendijk, Simon"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1993"]
[BlackElo "2370"]
[PlyCount "26"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 d6 8. f4 Qc7 9. Bd2 Be7 10. Bd3 Nc6 11. Nf3 b6 12. 0-0 Bb7 13. Qe2 g6 0-1

[Event "NED-ch WS15-F email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Van der Plas, Rob"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1993"]
[BlackElo "2261"]
[PlyCount "24"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[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. Bd2 Nh6 6. Nf3 Nc6 7. Bxh6 cxd4 8. Nxd4 gxh6 9. Bb5 Bd7 10. Bxc6 bxc6 11. 0-0 Rb8 12. Nf3 0-0 0-1

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Weggen, Rick HM"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1993"]
[BlackElo "1826"]
[PlyCount "28"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 e6 7. Nc3 Nxc3 8. bxc3 d6 9. Bf4 dxe5 10. Bxe5 Nxe5 11. Nxe5 a6 12. Bd3 Bd6 13. f4 Qc7 14. 0-0 0-0 0-1

[Event "NED-ch WS15-F email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Oomen, Ali MJG"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2105"]
[BlackElo "1993"]
[PlyCount "25"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "NED"]
[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 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. 0-0 Nf6 12. Nc2 0-0 13. b3 1-0

[Event "NED Theme SI C3.2 email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Weggen, Rick HM"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1826"]
[BlackElo "1993"]
[PlyCount "27"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 Nb6 8. Bd3 d6 9. Bg5 Qc7 10. exd6 Bxd6 11. Nc3 Nb4 12. 0-0 Nxd3 13. Qxd3 f6 14. Nb5 1-0

[Event "NED-ch WS15-F email"]
[Site "ICCF email"]
[Date "2015.03.02"]
[Round "?"]
[White "Wiersma, Jacob"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2082"]
[BlackElo "1993"]
[PlyCount "35"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[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. Nxd4 Nxd4 14. Qxd4 Bd7 15. Rg1 Nf5 16. Qf2 Qc6 17. Bd3 Qd5 18. a4 1-0

[Event "W-ch WS/H/479 email"]
[Site "ICCF email"]
[Date "2015.02.15"]
[Round "?"]
[White "Lagergren, Henry"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1934"]
[BlackElo "1993"]
[PlyCount "31"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Be3 Nf6 9. Nc4 b5 10. Nb6 Rb8 11. Nxc8 Qxc8 12. Bd3 0-0 13. 0-0 Nb4 14. Bg5 Nfd5 15. Nxd5 Nxd5 16. Bxe7 1-0

[Event "W-ch WS/H/479 email"]
[Site "ICCF email"]
[Date "2015.02.15"]
[Round "?"]
[White "Manarin, Franco"]
[Black "Mulder, Catharinus"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1915"]
[BlackElo "1993"]
[PlyCount "23"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[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 d5 4. f3 Nf6 5. e4 dxe4 6. Nc3 Nc6 7. d5 e5 8. Bg3 Nb4 9. Bb5+ c6 10. dxc6 bxc6 11. Qxd8+ Kxd8 12. 0-0-0+ 1-0

[Event "W-ch WS/H/479 email"]
[Site "ICCF email"]
[Date "2015.02.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Cross, Gregory W"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1993"]
[BlackElo "1976"]
[PlyCount "34"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Re8 10. h4 Bf6 11. Bd3 h6 12. h5 Bg4 13. Kb1 a5 14. Bxh6 Ne5 15. Nxe5 Bxd1 16. Nxf7 Kxf7 17. Bc4+ d5 0-1

[Event "W-ch WS/H/479 email"]
[Site "ICCF email"]
[Date "2015.02.15"]
[Round "?"]
[White "Mulder, Catharinus"]
[Black "Grossi, Roberto"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1993"]
[BlackElo "2014"]
[PlyCount "38"]
[EventDate "2015.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2017"]
[Source "ChessBase"]
[SourceDate "2017.09.19"]
[SourceVersion "1"]
[SourceVersionDate "2017.09.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f4 b5 8. Be2 Bb7 9. Bf3 Na5 10. 0-0 Nc4 11. Bc1 Bc5 12. Kh1 Ne7 13. b3 Nd6 14. Qd3 0-0 15. Bb2 Rac8 16. Rad1 f6 17. a3 Ng6 18. g3 Nh8 19. Rfe1 Nhf7 0-1

