[Event "ICCF corr"]
[Site "ICCF corr"]
[Date "1976.??.??"]
[Round "?"]
[White "Pereyra Puebla, Manuel Miguel"]
[Black "Perfors, Barthold"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "19"]
[EventDate "1976.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 Bf5 6. Ne5 e6 7. g4 Be4 8. f3 Bg6 9. h4 h6 10. g5 1-0

[Event "W-ch8 sf corr"]
[Site "ICCF corr"]
[Date "1975.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Henrotay, Emile"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "41"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. d4 exd4 6. e5 Bc5 7. 0-0 Nge7 8. Bb3 d5 9. exd6 Qxd6 10. Re1 Bd7 11. Bg5 0-0-0 12. Nbd2 Qg6 13. Nc4 Rde8 14. c3 dxc3 15. bxc3 Qh5 16. Nce5 Nxe5 17. Nxe5 Qxd1 18. Raxd1 Bc6 19. Be6+ Kb8 20. Nd7+ Bxd7 21. Bxd7 1-0

[Event "olm8 qual GP2 B3 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Pereyra Puebla, Manuel Miguel"]
[Black "Perfors, Barthold"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "63"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 Bf5 6. Ne5 e6 7. g4 Be4 8. f3 Bg6 9. h4 h5 10. g5 Nfd7 11. Nxg6 fxg6 12. Qd3 Kf7 13. Bh3 Qb6 14. Rh2 Na6 15. c3 Be7 16. Re2 Nf8 17. Qe3 Re8 18. Be5 Kg8 19. f4 Bd6 20. Nd2 Nc7 21. 0-0-0 Nd7 22. Nf3 Kh7 23. Rf2 Re7 24. Bf1 Rc8 25. Bd3 Rf7 26. Bxd6 Qxd6 27. Ne5 Nxe5 28. fxe5 Qe7 29. Rf6 gxf6 30. gxf6 Rxf6 31. exf6 Qf7 32. Qg5 1-0

[Event "olm8 qual GP2 B3 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Preo, Nicolas A"]
[Result "1/2-1/2"]
[ECO "D88"]
[PlyCount "77"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 cxd4 9. cxd4 0-0 10. 0-0 Nc6 11. Be3 Na5 12. Bd3 b6 13. Rc1 Bb7 14. d5 Rc8 15. Qd2 Qd7 16. Qb4 Rxc1 17. Rxc1 Rc8 18. Rxc8+ Bxc8 19. Bb5 Qc7 20. Qa4 Be5 21. h3 a6 22. Bd3 b5 23. Qc2 Qxc2 24. Bxc2 e6 25. Nf4 exd5 26. Nxd5 Be6 27. f4 Bxd5 28. exd5 Bd6 29. Kf2 Nb7 30. Kf3 Kf8 31. g4 Bc5 32. h4 Ke7 33. f5 Bd6 34. Bg5+ Kf8 35. fxg6 fxg6 36. h5 Kf7 37. h6 Bc5 38. Bd3 Nd6 39. Bc1 1/2-1/2

[Event "olm8 qual GP2 B3 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Shirok, Chanan"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "131"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 Qb6 8. 0-0 Be7 9. dxc5 Nxc5 10. Bc2 Qc7 11. Re1 b6 12. Nb3 Ba6 13. Nbd4 0-0 14. Ng5 h6 15. Ngf3 Rac8 16. Nxc6 Qxc6 17. Nd4 Qd7 18. Qg4 f5 19. Qg6 Qe8 20. Qxe8 Rfxe8 21. Rd1 Bf8 22. h4 g6 23. a4 Bb7 24. a5 bxa5 25. Rxa5 a6 26. Re1 Bg7 27. f3 Kf7 28. Bd2 Nd7 29. Bf4 Rc5 30. Ra3 g5 31. hxg5 hxg5 32. Ba4 gxf4 33. Bxd7 Re7 34. Ba4 Rc8 35. Bc2 Bf8 36. Raa1 Rec7 37. Bd3 Bc5 38. Kf2 Rb8 39. Rh1 Kg6 40. g4 fxg3+ 41. Kxg3 Bxd4 42. cxd4 Rh7 43. Rxh7 Kxh7 44. Ra3 Ra8 45. Rb3 Bc8 46. Rb6 Kg6 47. Kf4 Kf7 48. Bc2 Ra7 49. Ba4 Rb7 50. Rxa6 Rxb2 51. Rc6 Bb7 52. Rc7+ Kg6 53. Be8+ Kh6 54. Bf7 Rb4 55. Bxe6 Rxd4+ 56. Kxf5 Ba6 57. Bxd5 Bd3+ 58. Ke6 Kg6 59. Rc1 Kg7 60. Rg1+ Kh8 61. Rg4 Rxg4 62. fxg4 Kg7 63. Ke7 Kg6 64. Be6 Bb5 65. Bf5+ Kg7 66. e6 1-0

[Event "olm8 qual GP2 B3 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Rusinek, Raymond"]
[Black "Perfors, Barthold"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "77"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 Bc5 5. 0-0 a6 6. Bc4 d6 7. h3 Nge7 8. Nbd2 Ba7 9. Ng5 Ne5 10. Qh5 g6 11. Qh4 Nxc4 12. Nxc4 Be6 13. Nd2 Nc6 14. Ndf3 Qe7 15. Nxe6 Qxe6 16. Bg5 Kd7 17. Bf6 Rhg8 18. Rfe1 Ne5 19. Qf4 Nxf3+ 20. Qxf3 g5 21. Rad1 h5 22. e5 g4 23. Qxb7 d5 24. c4 dxc4 25. Rxd4+ Bxd4 26. Rd1 Rgd8 27. Rxd4+ Ke8 28. hxg4 hxg4 29. Qe4 Rab8 30. Bxd8 Rxd8 31. Rxc4 Rd1+ 32. Kh2 Rd5 33. Rxc7 Qxe5+ 34. Qxe5+ Rxe5 35. Rc2 Kd7 36. Kg3 Re4 37. b3 f5 38. Rc4 Re6 39. Rc5 1-0

[Event "olm8 qual GP2 B3 corr"]
[Site "ICCF corr"]
[Date "1973.??.??"]
[Round "?"]
[White "Schrancz, Istvan"]
[Black "Perfors, Barthold"]
[Result "1-0"]
[ECO "C73"]
[PlyCount "85"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 Ne7 8. Nc3 Ng6 9. Qd3 Be6 10. h4 h5 11. 0-0-0 Be7 12. d5 cxd5 13. Nxd5 Qd7 14. c4 0-0 15. Nd2 Bd8 16. Nc3 Qf7 17. g3 Be7 18. Qe2 f5 19. Bg5 Rfb8 20. Qxh5 Bf8 21. exf5 Qxf5 22. g4 Qf7 23. Be3 c6 24. Nde4 Qb7 25. b3 Nh8 26. g5 Bf7 27. Qf3 Bxc4 28. Nf6+ gxf6 29. gxf6 Kf7 30. Qh5+ Ng6 31. Qh7+ Ke8 32. Qxg6+ Bf7 33. Qe4 Qc7 34. f4 Bd5 35. Qg6+ Qf7 36. f5 Bxh1 37. Rxh1 d5 38. h5 d4 39. h6 Qxg6 40. fxg6 Bxh6 41. Bxh6 dxc3 42. f7+ Ke7 43. Rf1 1-0

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Brouwn, Arnold"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "61"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 Nd7 10. Nge2 Ndf6 11. Kb1 fxe4 12. Nxe4 Nxe4 13. fxe4 Nf6 14. Nc3 a6 15. h3 b5 16. cxb5 axb5 17. Bxb5 Bd7 18. Bxd7 Qxd7 19. Rhf1 Rfb8 20. Bg5 Ne8 21. Rf3 Bf8 22. Rdf1 Ng7 23. g4 h5 24. Qe2 c5 25. Rf6 Ra7 26. Rxg6 Rab7 27. Bc1 Qd8 28. gxh5 Kh7 29. Qg4 Qa5 30. Rh6+ Kg8 31. Qg6 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Den Herder, DW."]
[Result "1-0"]
[ECO "C47"]
[PlyCount "19"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. a3 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. d3 d5 7. Nxe5 Qd6 8. 0-0 Be6 9. Nxc6 bxc6 10. e5 1-0

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Holscher, HGJ"]
[Result "1/2-1/2"]
[ECO "C80"]
[PlyCount "97"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. Nxe5 Nxe5 9. dxe5 c6 10. Be3 Nc5 11. Nd2 d4 12. Bf4 Nxb3 13. Nxb3 c5 14. Qf3 Bd7 15. Rfe1 Rc8 16. Nd2 Be7 17. Ne4 0-0 18. Rad1 Rc6 19. Nd6 Bg5 20. Bg3 Bh4 21. c3 Bxg3 22. hxg3 dxc3 23. Nf5 Re6 24. Qxc3 Qg5 25. Nxg7 Re7 26. e6 b4 27. Qe5 Qxe5 28. Rxe5 fxe6 29. Nh5 c4 30. Rd4 Bb5 31. Rg5+ Kh8 32. Rc5 e5 33. Re4 Ree8 34. f4 Rc8 35. Rxc8 Rxc8 36. fxe5 c3 37. bxc3 bxc3 38. Re1 c2 39. Rc1 Ba4 40. Nf4 Kg8 41. Kf2 Rc3 42. g4 h6 43. Ke2 Rg3 44. Nd5 Rxg2+ 45. Kd3 Kf7 46. e6+ Kf8 47. Ne3 Bb5+ 48. Kc3 Re2 49. e7+ 1/2-1/2

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Molenbroek, Hans"]
[Result "1/2-1/2"]
[ECO "C71"]
[PlyCount "59"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Bg4 6. Nc3 Nf6 7. h3 Bxf3 8. Qxf3 Be7 9. d3 Nd7 10. 0-0 Nc5 11. Bxc6+ bxc6 12. b4 Ne6 13. a3 c5 14. Be3 c6 15. Rfb1 Nd4 16. Qd1 0-0 17. b5 axb5 18. cxb5 cxb5 19. Nxb5 f5 20. f3 fxe4 21. fxe4 Bg5 22. Bxg5 Qxg5 23. Nxd4 Qe3+ 24. Kh1 exd4 25. Rb7 Qg3 26. a4 h6 27. a5 Rf2 28. Qg4 Qxg4 29. hxg4 Ra6 30. Kg1 1/2-1/2

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Mulder van Leens Dijkstra, Kornelis Dirk"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "44"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 cxd4 8. cxd4 Qb6 9. 0-0 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Qb4 13. Qc2 Nc5 14. Bd2 Qa4 15. Bxh7 Qxc2 16. Bxc2 Bd7 17. Nd4 Be7 18. Rac1 a5 19. f4 f5 20. Be3 Kf7 21. Bb1 Rac8 22. Rf2 Na4 1/2-1/2

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Van der Tak, Abraham C"]
[Result "1/2-1/2"]
[ECO "D93"]
[PlyCount "60"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. Qd1 e5 11. dxe5 Nxe5 12. 0-0 Nxc4 13. Nxc4 dxc4 14. Bxc4 Qb4 15. Bb3 Bf5 16. a3 Qb6 17. Na4 Qb5 18. Nc3 Qa6 19. Bc2 Rad8 20. Qc1 Bxc2 21. Qxc2 Nd5 22. Nxd5 Rxd5 23. Rfe1 Qd3 24. Qxd3 Rxd3 25. Rab1 Rb3 26. Re2 Rd8 27. Kf1 c5 28. Rc2 Rc8 29. e4 c4 30. Bd2 c3 1/2-1/2

[Event "NED-ch03 corr7072"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Spieringshoek, Pieter Johannes"]
[Black "Perfors, Barthold"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "54"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. d5 Ne7 6. Nxe5 d6 7. Bb5+ Kf8 8. Nf3 Nxe4 9. Qd4 Nxc3 10. bxc3 Bc5 11. Qd2 Bd7 12. Be2 Ng6 13. c4 Qf6 14. Rb1 Re8 15. 0-0 h6 16. h3 b6 17. Ne1 Qg5 18. Qxg5 hxg5 19. Bd3 Nf4 20. Bxf4 gxf4 21. Nf3 g6 22. Rfe1 Kg7 23. Kf1 f5 24. c3 Kf6 25. Rxe8 Rxe8 26. h4 a6 27. Re1 Rxe1+ 1/2-1/2

[Event "NED corr"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Steiner, Toni"]
[Black "Perfors, Barthold"]
[Result "0-1"]
[ECO "C75"]
[PlyCount "76"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. Bb3 h6 8. Nbd2 Ng6 9. Nc4 Be7 10. Ne3 Bg5 11. 0-0 Bxe3 12. fxe3 0-0 13. Rf2 Qe7 14. Nd2 Rae8 15. Bc2 Qg5 16. Nf1 Kh8 17. Ng3 Nh4 18. Qf1 f6 19. Bd2 Nd8 20. Be1 Nf7 21. Ne2 h5 22. Kh1 Nh6 23. g3 Ng6 24. h3 f5 25. exf5 Bxf5 26. e4 Bc8 27. Rd1 Rxf2 28. Bxf2 Rf8 29. Ng1 h4 30. Qg2 Rxf2 31. Qxf2 hxg3 32. Nf3 Qf4 33. Qe2 Bxh3 34. Rd3 Ng4 35. Kg1 Nh4 36. Nxh4 Qf2+ 37. Qxf2 gxf2+ 38. Kh1 f1Q# 0-1

[Event "NED-CSR corr"]
[Site "Netherlands"]
[Date "1969.??.??"]
[Round "?"]
[White "Nun, Josef"]
[Black "Perfors, Barthold"]
[Result "0-1"]
[ECO "C71"]
[PlyCount "60"]
[EventDate "1969.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Bd7 6. Nc3 g6 7. d4 exd4 8. Nxd4 Bg7 9. Nxc6 bxc6 10. 0-0 Nf6 11. e5 dxe5 12. Bg5 h6 13. Bxf6 Qxf6 14. Qd2 Bf5 15. Nd5 0-0-0 16. Rac1 cxd5 17. cxd5 Rd6 18. Qa5 Rb6 19. Rc3 Qd6 20. Rc5 Bd7 21. Rfc1 Bxa4 22. Qxa4 Rd8 23. Qc4 Rd7 24. g3 Kd8 25. b4 Bf8 26. a4 a5 27. Rxa5 Qxb4 28. Ra8+ Ke7 29. a5 Qxc4 30. Rxc4 Rbd6 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1969.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Bunt, Henk"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "57"]
[EventDate "1969.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Be2 d5 7. d3 Bc5 8. Nd2 Ne7 9. Kh1 f5 10. e5 f4 11. Nb3 Bb6 12. Bxf4 Ng6 13. Bg3 Bf5 14. Bg4 Qg5 15. Bh5 0-0-0 16. f4 Qe7 17. a4 c5 18. Bg4 Rdf8 19. a5 Bc7 20. Qf3 h5 21. Bxf5+ Rxf5 22. Qxd5 h4 23. Nxc5 Bxa5 24. Be1 Nxf4 25. Qc4 Kb8 26. Bxa5 Qg5 27. Bc7+ Kc8 28. Rxf4 Qxf4 29. Qe6+ 1-0

[Event "NED-DEN corr"]
[Site "Netherlands"]
[Date "1967.??.??"]
[Round "?"]
[White "Heilemann, Paul G"]
[Black "Perfors, Barthold"]
[Result "1-0"]
[ECO "D87"]
[PlyCount "57"]
[EventDate "1967.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Qe1 e6 13. f4 Na5 14. Bd3 f5 15. Rd1 b6 16. Qf2 cxd4 17. Bxd4 Bxd4 18. cxd4 Bb7 19. Ng3 Rac8 20. d5 fxe4 21. Nxe4 Bxd5 22. Nf6+ Kg7 23. Qh4 Qf7 24. Nxh7 Rh8 25. f5 exf5 26. Bxf5 Rc4 27. Qg3 Rd8 28. Bd3 Qe6 29. Nf6 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1967.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Murray, Mike"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "63"]
[EventDate "1967.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. a3 Bb7 14. Bh3 Nc5 15. Rhe1 g6 16. Qg3 Qb6 17. f5 e5 18. Nd5 Bxd5 19. exd5 exd4 20. f6 Ra7 21. b4 Na4 22. Qh4 Nc3 23. Rxd4 a5 24. Kd2 axb4 25. axb4 Rc7 26. fxe7 h5 27. Rd3 Na4 28. Qf4 Nb2 29. Qf6 Nc4+ 30. Kc1 Rh7 31. Be6 Rxe7 32. Bd7+ 1-0

[Event "olm5 qual GP2 B2 corr"]
[Site "ICCF corr"]
[Date "1961.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Baumbach, Fritz"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "43"]
[EventDate "1961.??.??"]
[EventType "team (corr)"]
[EventRounds "7"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qc7 Nge7 9. Nc3 Nb4 10. Bd3 d5 11. 0-0 d4 12. Ne2 0-0 13. f4 Bg4 14. fxe5 Qc6 15. Qxe7 Nxd3 16. Nxd4 Qxe4 17. Nf3 Bxf3 18. cxd3 Qd4+ 19. Rf2 Bc6 20. Qd6 Rad8 21. Qxd4 Rxd4 22. Bd2 1/2-1/2

[Event "NED corr"]
[Site "Netherlands"]
[Date "1946.??.??"]
[Round "?"]
[White "Perfors, Barthold"]
[Black "Vinkon, A."]
[Result "1-0"]
[ECO "D26"]
[PlyCount "63"]
[EventDate "1946.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 a6 4. Bxc4 Nf6 5. Nf3 e6 6. 0-0 Be7 7. Qe2 0-0 8. Rd1 b5 9. Bd3 Bb7 10. e4 Nbd7 11. Bg5 Rc8 12. a4 Ne8 13. Bxe7 Qxe7 14. axb5 axb5 15. Bxb5 Nd6 16. Bxd7 Qxd7 17. Ne5 Qe7 18. Nc3 f5 19. f3 fxe4 20. fxe4 Rf4 21. Nd3 Rh4 22. Nc5 Bc6 23. Ra5 Be8 24. Qf2 Rh6 25. e5 Nf7 26. b4 Rb8 27. b5 Nd8 28. d5 Rg6 29. d6 cxd6 30. exd6 Qf7 31. Qxf7+ Bxf7 32. Ra7 1-0

