[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.09"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Taffijn, Aadrian"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1610"]
[BlackElo "1414"]
[PlyCount "32"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. d4 f6 8. Nc3 Nxb3 9. axb3 Bb7 10. Qe2 g6 11. Be3 Qd7 12. Rfd1 Bg7 13. dxe5 fxe5 14. b4 Ne7 15. Bg5 h6 16. Bxe7 Qxe7 1-0

[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.09"]
[Round "?"]
[White "Nicolaescu, Nicolae"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1592"]
[BlackElo "1654"]
[PlyCount "35"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. 0-0 e6 7. d3 Nge7 8. Qe1 a6 9. a4 0-0 10. f5 gxf5 11. Qh4 fxe4 12. Ng5 h6 13. Ngxe4 Nf5 14. Qh5 d5 15. Rxf5 exf5 16. Bg5 hxg5 17. Nxg5 Re8 18. Qxf7+ 1-0

[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.06"]
[Round "?"]
[White "Dehaybe, Andre"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1785"]
[BlackElo "1644"]
[PlyCount "75"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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 Nbd7 9. Qd2 b5 10. a4 b4 11. Nd5 Bxd5 12. exd5 Nb6 13. Bxb6 Qxb6 14. a5 Qb7 15. Bc4 Be7 16. Ra4 Rb8 17. Nc1 Nd7 18. Nd3 Bd8 19. Kd1 Qc8 20. Rxb4 Bxa5 21. Rxb8 Nxb8 22. Qxa5 Qxc4 23. Re1 0-0 24. Re4 Qc8 25. Qb6 f5 26. Rb4 Qd7 27. Rc4 Qb5 28. Qxb5 axb5 29. Rb4 Nd7 30. Rxb5 Rc8 31. Kd2 Kf8 32. Nb4 Ra8 33. Rb7 Ke8 34. c4 Ra1 35. Nc2 Rg1 36. Ne1 g5 37. h3 h5 38. Ke2 1-0

[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.06"]
[Round "?"]
[White "Kis Kos, Laszlo"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1686"]
[BlackElo "1654"]
[PlyCount "53"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 b5 10. 0-0-0 b4 11. Nd5 a5 12. Nxf6+ gxf6 13. Kb1 a4 14. Nc1 Qa5 15. Nd3 b3 16. cxb3 axb3 17. a3 d5 18. Qxa5 Rxa5 19. Bd2 Ra8 20. exd5 Bxd5 21. Nb4 Be6 22. Bc3 Bg7 23. Bb5 Ra7 24. Nc6 Rb7 25. a4 Rg8 26. Ba5 Bh6 27. Ba6 1-0

[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Laine, Jari"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1644"]
[BlackElo "1718"]
[PlyCount "44"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Telechess CBM 137"]
[Source "ChessBase"]
[SourceDate "2010.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. c4 Nc6 2. Nf3 e5 3. Nc3 Nf6 4. g3 Bb4 5. Nd5 Bc5 6. Bg2 0-0 7. 0-0 d6 8. a3 a5 9. d3 h6 10. Bd2 Nxd5 11. cxd5 Ne7 12. e4 f5 13. Rc1 Ba7 14. Bxa5 Bxf2+ 15. Rxf2 Rxa5 16. Qb3 Rf7 17. Rcf1 g6 18. Nd2 c6 19. exf5 Rb5 20. Qc4 gxf5 21. dxc6 bxc6 22. b4 Qd7 0-1

[Event "LSS SC-2009-0-00031"]
[Site "LSS email"]
[Date "2009.05.04"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Pehl, Jozsef"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1644"]
[BlackElo "1613"]
[PlyCount "58"]
[EventDate "2009.03.14"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Telechess CBM 137"]
[Source "ChessBase"]
[SourceDate "2010.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bd6 8. 0-0 0-0 9. Rb1 Rb8 10. Qc2 h6 11. d3 Be6 12. c4 Qf6 13. Bb2 Rfd8 14. Nd2 Qe7 15. Ne4 Bb4 16. e3 a6 17. Nc3 Qc5 18. Rfc1 Qd6 19. Rd1 Bg4 20. f3 Bf5 21. Nd5 Bc5 22. Qe2 Ne7 23. Kh1 Nxd5 24. cxd5 Bg6 25. e4 c6 26. d4 exd4 27. Bxd4 cxd5 28. Bxc5 Qxc5 29. Rbc1 Qe7 0-1

[Event "LSS OP-2009-0-00821"]
[Site "LSS email"]
[Date "2009.04.20"]
[Round "?"]
[White "Ben Younes, Djamel"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1675"]
[BlackElo "1642"]
[PlyCount "37"]
[EventDate "2009.04.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d5 3. Bg5 e6 4. e3 Be7 5. Nc3 c5 6. d4 0-0 7. dxc5 Bxc5 8. Bd3 Nc6 9. 0-0 h6 10. Bh4 a6 11. a3 b5 12. e4 d4 13. e5 Nxe5 14. Ne4 Nxd3 15. Nxf6+ gxf6 16. Qxd3 Bb7 17. Ne5 Be7 18. Ng6 fxg6 19. Qxg6+ 1/2-1/2

[Event "LSS OP-2009-0-00821"]
[Site "LSS email"]
[Date "2009.04.20"]
[Round "?"]
[White "Cass, Neil"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "800"]
[BlackElo "1642"]
[PlyCount "64"]
[EventDate "2009.04.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Nf3 Nxe4 8. Qd3 Nxc3 9. bxc3 Be7 10. g3 d5 11. Qd1 0-0 12. Bd3 Bf6 13. 0-0 Qa5 14. Qd2 Bxc3 15. Qd1 Bxa1 16. Qxa1 f6 17. Nd4 Nxd4 18. Bxd4 e5 19. Bc3 Qc7 20. Qb2 Be6 21. f3 Rfc8 22. Bd2 Qc5+ 23. Kg2 a6 24. Qxb7 Rcb8 25. Bb4 Qxb4 26. Qxb4 Rxb4 27. g4 a5 28. Ra1 Rab8 29. h3 Rb1 30. Rxb1 Rxb1 31. a4 Ra1 32. Bb5 Ra2 0-1

[Event "LSS OP-2009-0-00821"]
[Site "LSS email"]
[Date "2009.04.20"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Burns, Stephen F"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1642"]
[BlackElo "2010"]
[PlyCount "49"]
[EventDate "2009.04.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 c6 7. Rb1 a6 8. d3 b5 9. Nd4 Qb6 10. Be3 c5 11. Ndxb5 Nc6 12. Na3 Bb7 13. Nc2 h5 14. b4 Qa7 15. bxc5 dxc5 16. Bxc5 Qxc5 17. Rxb7 Rab8 18. Qb1 Nd7 19. Ne4 Qa5 20. Rb3 h4 21. e3 hxg3 22. hxg3 Qc7 23. Nb4 Nxb4 24. Rxb4 Ne5 25. d4 1-0

[Event "LSS OP-2009-0-00821"]
[Site "LSS email"]
[Date "2009.04.20"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Schalkwijk, Peter H"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1654"]
[BlackElo "1528"]
[PlyCount "70"]
[EventDate "2009.04.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Nf6 6. e3 h6 7. Nh3 g5 8. Ng1 Bg7 9. h4 g4 10. Nge2 d6 11. Nf4 Ne7 12. Be2 0-0 13. b4 c5 14. bxc5 dxc5 15. Bb2 cxd4 16. exd4 Ne8 17. d5 Qd6 18. Qd2 Be5 19. Nh5 a6 20. Rc1 b6 21. 0-0 Ra7 22. Rfd1 Rb7 23. Rb1 Ng7 24. Nxg7 Kxg7 25. Na4 Bxb2 26. Qxb2+ Rf6 27. Qd4 Qd8 28. Rb3 f4 29. Qxe4 Ng6 30. Bd3 f3 31. g3 Qc7 32. Nc3 Qc5 33. Qe1 Re7 34. Ne4 Qd4 35. Bf1 Rxe4 0-1

[Event "LSS OP-2008-0-00699"]
[Site "LSS email"]
[Date "2008.12.17"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Loktayev, Vladislav"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1643"]
[BlackElo "1563"]
[PlyCount "43"]
[EventDate "2008.12.15"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Bb4 4. Nxe5 Qe7 5. d4 0-0 6. Bg5 d6 7. Nf3 h6 8. Bxf6 Qxf6 9. e3 c5 10. Be2 Nc6 11. 0-0 Bxc3 12. bxc3 Bf5 13. Bd3 Bxd3 14. Qxd3 b6 15. d5 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. e4 Rfe8 19. Rae1 Qb7 20. e5 dxe5 21. fxe5 Re7 22. d6 1-0

[Event "LSS OP-2008-0-00699"]
[Site "LSS email"]
[Date "2008.12.17"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Skovgaard, Bent"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "1643"]
[BlackElo "972"]
[PlyCount "47"]
[EventDate "2008.12.15"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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 d6 10. a5 Bg4 11. Nbd2 Bh5 12. c3 Rb8 13. Bc4 bxc3 14. bxc3 Qc8 15. Qa4 Qb7 16. Rb1 Qa8 17. Rxb8 Nxb8 18. Ba3 Nc6 19. Rb1 Rd8 20. h3 h6 21. Ba2 Kh8 22. g4 Bg6 23. Nf1 Nh7 24. Bd5 1-0

[Event "LSS OP-2008-0-00699"]
[Site "LSS email"]
[Date "2008.12.17"]
[Round "?"]
[White "Rodrigues, Eduardo Hercos"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "918"]
[BlackElo "1628"]
[PlyCount "64"]
[EventDate "2008.12.15"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 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 Rb8 13. Be2 Bg5 14. 0-0 a5 15. Qd3 Ne7 16. Nce3 Bxe3 17. Nxe3 Qb6 18. Rfd1 Rd8 19. Rd2 Be6 20. a3 Ng6 21. g3 Ne7 22. Rad1 Bb3 23. Re1 d5 24. exd5 Nxd5 25. Qe4 Nxe3 26. Rxd8+ Rxd8 27. Qxe3 Qxe3 28. fxe3 Rd2 29. Bxb5 Rxb2 30. a4 Kf8 31. h3 Ke7 32. Rd1 Bxd1 0-1

[Event "LSS OP-2008-0-00699"]
[Site "LSS email"]
[Date "2008.12.17"]
[Round "?"]
[White "Souply, Yves"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1759"]
[BlackElo "1628"]
[PlyCount "41"]
[EventDate "2008.12.15"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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. Bd2 f5 9. Qc2 Bf6 10. Rad1 Nxc3 11. Bxc3 Be4 12. Qc1 d6 13. Bh3 Qe8 14. Ng5 Qh5 15. Nxe4 Qxh3 16. Nd2 Nd7 17. Nf3 a5 18. Qe3 Rae8 19. Ne5 Nxe5 20. dxe5 Be7 21. f4 1/2-1/2

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.23"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Laureles, Raymundo"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1643"]
[BlackElo "1459"]
[PlyCount "83"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d5 3. b3 Bg4 4. Ne5 e6 5. Nxg4 Nxg4 6. Bb2 d4 7. e3 Ne5 8. Bxd4 Nbc6 9. Bxe5 Nxe5 10. d4 Nc6 11. Be2 Qg5 12. 0-0 0-0-0 13. Nd2 f5 14. a3 h5 15. b4 h4 16. h3 Qf6 17. Nf3 g5 18. b5 Ne7 19. Qa4 Kb8 20. b6 axb6 21. Ne5 Qg7 22. Nd7+ Kc8 23. c5 Nc6 24. Nxf8 Rhxf8 25. cxb6 cxb6 26. Rfc1 Qc7 27. Bf3 Kd7 28. Qb3 Ke7 29. Rab1 f4 30. Qxb6 Qxb6 31. Rxb6 Rb8 32. Rc5 Kf6 33. a4 Rfc8 34. a5 fxe3 35. fxe3 Nd8 36. Rxc8 Rxc8 37. Bxb7 Nxb7 38. Rxb7 Ra8 39. Rb5 Ra6 40. d5 e5 41. Rb6+ Rxb6 42. axb6 1-0

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.21"]
[Round "?"]
[White "Ling, Anthony J"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1677"]
[BlackElo "1643"]
[PlyCount "79"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Qd3 0-0 9. Qg3 b5 10. Bf3 Nfd7 11. e5 Bh4 12. Qh3 d5 13. Re1 Bb7 14. Qg4 Kh8 15. a4 b4 16. Na2 Be7 17. Bd2 a5 18. c3 bxc3 19. Bxc3 Nc5 20. Bd1 Nc6 21. Bc2 h6 22. Re3 Bg5 23. f4 Be7 24. Rd1 Nxd4 25. Bxd4 Rc8 26. Nc3 Ba6 27. f5 Bg5 28. Rg3 Rg8 29. Qh5 Ne4 30. Bxe4 dxe4 31. Nxe4 Rc1 32. Nd6 Rxd1+ 33. Qxd1 Rf8 34. fxe6 fxe6 35. Rf3 Rxf3 36. Qxf3 Kh7 37. Kh1 Be7 38. Qe4+ g6 39. Qf3 Kg7 40. Qf7+ 1-0

[Event "SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.21"]
[Round "?"]
[White "Ling, Tony"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1738"]
[BlackElo "1634"]
[PlyCount "79"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[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 e6 7. 0-0 Be7 8. Qd3 0-0 9. Qg3 b5 10. Bf3 Nfd7 11. e5 Bh4 12. Qh3 d5 13. Re1 Bb7 14. Qg4 Kh8 15. a4 b4 16. Na2 Be7 17. Bd2 a5 18. c3 bxc3 19. Bxc3 Nc5 20. Bd1 Nc6 21. Bc2 h6 22. Re3 Bg5 23. f4 Be7 24. Rd1 Nxd4 25. Bxd4 Rc8 26. Nc3 Ba6 27. f5 Bg5 28. Rg3 Rg8 29. Qh5 Ne4 30. Bxe4 dxe4 31. Nxe4 Rc1 32. Nd6 Rxd1+ 33. Qxd1 Rf8 34. fxe6 fxe6 35. Rf3 Rxf3 36. Qxf3 Kh7 37. Kh1 Be7 38. Qe4+ g6 39. Qf3 Kg7 40. Qf7+ 1-0

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.17"]
[Round "?"]
[White "Prata, Jorge"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2028"]
[BlackElo "1628"]
[PlyCount "49"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 0-0 9. f4 b5 10. e5 dxe5 11. fxe5 Nfd7 12. 0-0 Nxe5 13. Qh5 Nbc6 14. Nxc6 Nxc6 15. Rf3 g6 16. Qh6 f5 17. Rd1 Qe8 18. Nd5 Ne5 19. Rh3 Qf7 20. Nxe7+ Qxe7 21. Rd6 Nc4 22. Bxc4 bxc4 23. Bd4 Rb8 24. Rg3 Qf7 25. h4 1-0

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.16"]
[Round "?"]
[White "Babic, Slobodan"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1598"]
[BlackElo "1643"]
[PlyCount "45"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 c5 8. d5 exd5 9. cxd5 d6 10. e4 Nbd7 11. e5 Ng4 12. e6 fxe6 13. dxe6 Nb8 14. Re1 Nf6 15. Bg5 Nc6 16. Nh4 g6 17. Qa4 Qc8 18. Bxf6 Bxf6 19. Nb5 Bd4 20. e7 Bxf2+ 21. Kh1 Bxe1 22. exf8Q+ Qxf8 23. Rxe1 1-0

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.09"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Koziol, Pawel"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1643"]
[BlackElo "1469"]
[PlyCount "53"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. Bd3 Nbc6 9. Qh5 Ng6 10. Nf3 Qc7 11. Be3 c4 12. Bxg6 fxg6 13. Qg4 Bd7 14. h4 Rf5 15. h5 Rxh5 16. Rxh5 gxh5 17. Qxh5 Rf8 18. Kd2 Rf5 19. Qh3 Bc8 20. Rh1 h6 21. g4 Rxf3 22. Qxf3 Qf7 23. Qh3 Ne7 24. g5 Nf5 25. gxh6 Nxh6 26. Bxh6 Qxf2+ 27. Kc1 1-0

[Event "LSS SC-2008-0-00019"]
[Site "LSS email"]
[Date "2008.11.09"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Van der Waal, Michael"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1610"]
[BlackElo "1710"]
[PlyCount "19"]
[EventDate "2008.11.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 c6 5. Bg2 Be6 6. b3 Be7 7. 0-0 0-0 8. Bb2 Nbd7 9. d4 e4 10. Ng5 1-0

[Event "LSS OP-2008-0-00653"]
[Site "LSS email"]
[Date "2008.10.10"]
[Round "?"]
[White "De Waele, Willy"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1888"]
[BlackElo "1623"]
[PlyCount "57"]
[EventDate "2008.10.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[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. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Rg1 Bb7 17. a3 Qa5 18. Bh3 h5 19. Kb1 b4 20. axb4 Qxb4 21. Rge1 Rb8 22. b3 e5 23. Nd5 Bxd5 24. exd5 Na4 25. Qf5 Nc3+ 26. Kb2 Na4+ 27. Kb1 Nc3+ 28. Kb2 Na4+ 29. Kb1 1/2-1/2

[Event "LSS OP-2008-0-00653"]
[Site "LSS email"]
[Date "2008.10.10"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Gavrileteanu, Lucian"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1643"]
[BlackElo "1837"]
[PlyCount "77"]
[EventDate "2008.10.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Nf6 3. g3 e6 4. Bg2 c6 5. 0-0 d5 6. d4 Be7 7. Nc3 Bb7 8. b3 Nbd7 9. Bb2 0-0 10. Qc2 Qb8 11. Rfd1 dxc4 12. bxc4 Qc7 13. Rac1 Rad8 14. e4 Ng4 15. h3 Nh6 16. e5 Nb8 17. Ne4 c5 18. Neg5 g6 19. dxc5 Bxc5 20. Ne4 Nd7 21. Rxd7 Rxd7 22. Nf6+ Kh8 23. Nxd7 Qxd7 24. Rd1 Qc7 25. Qd2 Nf5 26. Kh2 Bc6 27. Qe2 Kg8 28. g4 Bxf3 29. Bxf3 Nh4 30. Bh1 f6 31. f4 f5 32. g5 h6 33. gxh6 Qh7 34. Bc1 Qxh6 35. Rd7 Rf7 36. Rxf7 Kxf7 37. Qd3 g5 38. Qd7+ Be7 39. fxg5 1-0

[Event "LSS OP-2008-0-00653"]
[Site "LSS email"]
[Date "2008.10.10"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Raines, David T"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1610"]
[BlackElo "1063"]
[PlyCount "39"]
[EventDate "2008.10.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. 0-0 Nf6 8. Be3 d6 9. f4 Be7 10. Qe1 Nxd4 11. Bxd4 e5 12. fxe5 dxe5 13. Qg3 0-0 14. Bxe5 Qb6+ 15. Kh1 Ne8 16. Nd5 Qd8 17. Rad1 Bd7 18. Nc7 f6 19. Bc4+ Kh8 20. Nxa8 1-0

[Event "LSS OP-2008-0-00653"]
[Site "LSS email"]
[Date "2008.10.10"]
[Round "?"]
[White "Laureles, Raymundo"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1686"]
[BlackElo "1623"]
[PlyCount "66"]
[EventDate "2008.10.08"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[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 Qa5+ 10. Bd2 Qd8 11. Bd3 Nxd5 12. exd5 Ne7 13. c4 g6 14. cxb5 Bg7 15. Bc4 0-0 16. 0-0 f5 17. Qe2 f4 18. bxa6 f3 19. gxf3 Nf5 20. Nc2 Nh4 21. Ne1 Bh3 22. a4 Bxf1 23. Kxf1 Nf5 24. Qe4 Bh6 25. Bxh6 Nxh6 26. Ng2 Nf5 27. b4 Nd4 28. f4 Qc8 29. Bd3 Qh3 30. Bb5 Qxh2 31. Ne3 Rxf4 32. Qg2 Qh5 33. Rc1 Rh4 0-1

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Carbonell Bofill, Carlos Eloy"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2235"]
[BlackElo "1623"]
[PlyCount "57"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

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 Qa5+ 10. Bd2 Qd8 11. Bg5 Qa5+ 12. Bd2 Qd8 13. Bd3 Nxd5 14. exd5 Ne7 15. c4 g6 16. cxb5 Bg7 17. 0-0 0-0 18. Qb3 Rb8 19. Rfe1 f5 20. Nc2 axb5 21. Nb4 Kh8 22. Rac1 Bd7 23. Nc6 Bxc6 24. dxc6 Qc7 25. Bxb5 d5 26. a4 Rf6 27. Qc3 d4 28. Qa5 Qxa5 29. Bxa5 1-0

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Adams, Mark"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1623"]
[BlackElo "639"]
[PlyCount "55"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 Nxd4 7. Qxd4 Nf6 8. Bxd7+ Qxd7 9. 0-0 Be7 10. Rd1 0-0 11. e5 Ne8 12. Bf4 Qg4 13. Nd5 Bg5 14. exd6 Bxf4 15. dxc7 Rc8 16. Ne7+ Kh8 17. Nxc8 Nxc7 18. Nxa7 Ne6 19. Qd7 Qh5 20. h3 Ng5 21. Qg4 Qxg4 22. hxg4 h6 23. Rd7 Ne6 24. Rxb7 Nd4 25. c4 f6 26. Rd1 Ne2+ 27. Kf1 Re8 28. Re1 1-0

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Kulczycki, Michael"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "1628"]
[BlackElo "1992"]
[PlyCount "84"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c5 7. d4 Nc6 8. d5 Na5 9. Nd2 Rb8 10. Qc2 a6 11. b3 b5 12. Bb2 bxc4 13. bxc4 Bh6 14. f4 e5 15. dxe6 Bxe6 16. Nd5 Rxb2 17. Qxb2 Bg7 18. Qc1 Ng4 19. Rb1 Bd4+ 20. Kh1 Ne3 21. Nxe3 Bxe3 22. Qc3 Bxd2 23. Qxd2 Nxc4 24. Qc3 d5 25. Rfc1 Re8 26. e4 dxe4 27. Bxe4 Bd5 28. Bxd5 Qxd5+ 29. Kg1 Nd2 30. Rb2 Nf3+ 31. Kf1 Nd4 32. Kf2 Qh5 33. Re1 Qxh2+ 34. Kf1 Qh1+ 35. Kf2 Rxe1 36. Rb8+ Kg7 37. Qxe1 Qh2+ 38. Kf1 Nf5 39. Rb3 Qxa2 40. Qe5+ Kh6 41. Rb2 Qa1+ 42. Kg2 Qa3 0-1

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Pintor, Manuel Abranches"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1628"]
[BlackElo "2197"]
[PlyCount "54"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 f5 6. e4 Nf6 7. Nge2 fxe4 8. dxe4 0-0 9. 0-0 Be6 10. Nd5 Ne8 11. b3 Nd7 12. Qc2 c6 13. Ne3 a5 14. Nc3 Nc5 15. Bb2 Bh6 16. Qe2 Qd7 17. Rad1 Rd8 18. Ba3 b6 19. f3 Bg5 20. Bb2 Ng7 21. Rfe1 Qb7 22. Rd2 h5 23. Red1 Qe7 24. Qf2 h4 25. g4 Bc8 26. h3 Nge6 27. Nf5 gxf5 0-1

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Mueller, Michael"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1869"]
[BlackElo "1623"]
[PlyCount "51"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 0-0 9. 0-0-0 b5 10. g4 Bb7 11. h4 Nc6 12. Nxc6 Bxc6 13. h5 b4 14. Ne2 Qa5 15. Kb1 Rfc8 16. Nd4 Nd7 17. g5 Ne5 18. g6 Nxf3 19. gxf7+ Kf8 20. Qf2 Nxd4 21. h6 g6 22. Bxd4 e5 23. Bb6 Qa4 24. b3 Qa3 25. Bg2 Rab8 26. Rxd6 1-0

[Event "LSS CP-2008-P-00060"]
[Site "LSS email"]
[Date "2008.10.01"]
[Round "?"]
[White "Veloso Fargnoli, Rodrigo"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "E29"]
[WhiteElo "2116"]
[BlackElo "1643"]
[PlyCount "71"]
[EventDate "2008.10.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 0-0 8. Ne2 b6 9. e4 d6 10. f4 cxd4 11. cxd4 e5 12. d5 Na5 13. fxe5 dxe5 14. Bd2 Nb7 15. 0-0 Qd6 16. Ng3 Nc5 17. Bc2 Bg4 18. Qe1 Rac8 19. h3 Bd7 20. a4 Nb7 21. Bb4 Nc5 22. a5 bxa5 23. Bxa5 Ra8 24. Bd2 Rfc8 25. Qf2 Nb7 26. Nh5 Rxc4 27. Bd3 Ra4 28. Rxa4 Bxa4 29. Bg5 Nxh5 30. Qxf7+ Kh8 31. Qxb7 Qb6+ 32. Qxb6 axb6 33. Ra1 h6 34. Bd2 Bc6 35. Rxa8+ Bxa8 36. Bc3 1-0

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.14"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Petersen, Hans"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1628"]
[BlackElo "1748"]
[PlyCount "62"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 e4 7. Ng5 Bxc3 8. bxc3 Re8 9. f3 e3 10. d3 d5 11. cxd5 Nxd5 12. Qb3 Qxg5 13. f4 Qh5 14. Bxd5 Bg4 15. Bf3 Bxf3 16. Rxf3 b6 17. Bb2 Re6 18. Kg2 Ne7 19. h3 Nf5 20. c4 Rh6 21. Rh1 Rg6 22. g4 Nh4+ 23. Kf1 Qh6 24. g5 Nxf3 25. gxh6 Nd2+ 26. Ke1 Nxb3 27. axb3 Rxh6 28. Kf1 b5 29. Kg2 bxc4 30. bxc4 a5 31. Kf3 a4 0-1

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.13"]
[Round "?"]
[White "Krabbenbos, Jan"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1571"]
[BlackElo "1610"]
[PlyCount "41"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 b5 7. 0-0 Bb7 8. f3 e6 9. Be3 Be7 10. Qe1 Nbd7 11. a4 b4 12. Nce2 d5 13. Qg3 dxe4 14. fxe4 Bxe4 15. Bxe4 Nxe4 16. Qxg7 Bf6 17. Qg4 Nd6 18. Qh5 Qe7 19. Nc6 Qf8 20. Rad1 Ne4 21. Nf4 1-0

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.13"]
[Round "?"]
[White "Metz, Larry R"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1530"]
[BlackElo "1643"]
[PlyCount "85"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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 Bg7 13. Qh5 f4 14. c4 bxc4 15. Bxc4 0-0 16. Rac1 Rb8 17. b3 Qd7 18. Rfd1 Kh8 19. Rd2 f5 20. Nxf4 exf4 21. Bxe6 Qxe6 22. Rxc6 Qxe4 23. Rc1 Rbe8 24. Qd1 f3 25. Nc4 Bh6 26. Rd4 Qe2 27. Rb1 Rg8 28. g3 f4 29. Rd2 Qxd1+ 30. Rdxd1 fxg3 31. hxg3 Re2 32. a3 Bf8 33. Rd3 Be7 34. Kf1 d5 35. Rxd5 Kg7 36. Rf5 Rf8 37. Rxf3 Rxf3 38. Kxe2 Rc3 39. a4 Bb4 40. g4 Rh3 41. Ne5 Kf6 42. Nd3 Bd6 43. Rc1 1-0

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.11"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Jordaan, Wayne"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1643"]
[BlackElo "1834"]
[PlyCount "99"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. c3 Be7 9. 0-0 0-0 10. Qe2 b6 11. Re1 Bb7 12. Ne4 cxd4 13. Nxd4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 Nf6 16. Qe2 Qd5 17. Bf4 Rad8 18. Rad1 Qc5 19. Be3 Qc8 20. a3 Rd5 21. c4 Rd7 22. b4 Rfd8 23. b5 Qc7 24. Nc6 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Bxa3 27. Qa4 Bd6 28. h3 g6 29. Nxa7 Bc5 30. Bxc5 Qxc5 31. Nc6 Ne4 32. Qa8+ Kg7 33. Qa1+ f6 34. Qd4 Qxd4 35. Nxd4 e5 36. Nb3 Nd6 37. Nd2 f5 38. f3 Kf6 39. Kf2 e4 40. Ke3 Ke5 41. f4+ Ke6 42. Kd4 Nb7 43. Nb3 h6 44. g4 Kd6 45. gxf5 gxf5 46. Kc3 Ke6 47. Nd4+ Kf6 48. Nc2 Nc5 49. Ne3 Nd7 50. Nd5+ 1/2-1/2

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.09"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Jostov, Keylah"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1628"]
[BlackElo "1700"]
[PlyCount "59"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Rd1 Nd7 12. Qc2 Rb8 13. Be3 Ne5 14. c5 Ng4 15. Bf4 e5 16. Rxd6 Qe7 17. Nd5 Qe8 18. Bg5 f6 19. Bd2 Bf5 20. e4 Be6 21. Nc7 Qf7 22. Nxe6 f5 23. exf5 Qxf5 24. Qxf5 Rxf5 25. h3 Nxf2 26. Rf1 Bf8 27. Nxf8 Rbxf8 28. Bh6 Ne4 29. Bxf8 Nxd6 30. Bxd6 1-0

[Event "LSS SC-2008-0-00016"]
[Site "LSS email"]
[Date "2008.09.08"]
[Round "?"]
[White "Blair, Matthew"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1589"]
[BlackElo "1628"]
[PlyCount "55"]
[EventDate "2008.09.01"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "US of America"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. g3 Bb7 5. Bg2 e6 6. 0-0 Be7 7. b3 0-0 8. Bb2 Nc6 9. e3 Rc8 10. Qe2 d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. d4 Nb4 14. Rfc1 Ba6 15. Qd2 c4 16. Ne5 f6 17. a3 Nc6 18. Nxc6 Rxc6 19. e4 Rd6 20. bxc4 Bxc4 21. Bh3 b5 22. exd5 Rxd5 23. Be6+ Kh8 24. Bxd5 Qxd5 25. Qa5 Qb7 26. a4 Bd8 27. Qb4 a6 28. Qxf8+ 1-0

[Event "LSS OP-2008-0-00623"]
[Site "LSS email"]
[Date "2008.09.08"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Jenneborg, Seved"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1628"]
[BlackElo "1580"]
[PlyCount "92"]
[EventDate "2008.09.05"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Nc3 Nxc3 10. bxc3 Bg4 11. cxd5 cxd5 12. Rb1 b6 13. h3 Bh5 14. a4 Nc6 15. Re1 Re8 16. Be3 Rc8 17. Rb2 Na5 18. g4 Bg6 19. Rbe2 Bxd3 20. Qxd3 Qd7 21. Qb5 Qxb5 22. axb5 Nc4 23. Bc1 Rxe2 24. Rxe2 Ba3 25. Bf4 Bf8 26. Bc1 Nd6 27. Rb2 Rxc3 28. Be3 Ra3 29. Ne5 Ra5 30. Rc2 Rxb5 31. Rc7 a5 32. Ra7 g6 33. Nd7 Kg7 34. Bf4 Rb1+ 35. Kg2 Nb5 36. Rb7 Bd6 37. Bxd6 Nxd6 38. Rxb6 Rxb6 39. Nxb6 Nb5 40. Nxd5 a4 41. Kf3 a3 42. Nb4 Nxd4+ 43. Ke3 Ne6 44. f4 f5 45. g5 Kf7 46. h4 Ke7 0-1

[Event "LSS OP-2008-0-00623"]
[Site "LSS email"]
[Date "2008.09.08"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Tjiptadi, Agus"]
[Result "1-0"]
[ECO "C99"]
[WhiteElo "1610"]
[BlackElo "1046"]
[PlyCount "55"]
[EventDate "2008.09.05"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Qc7 13. Nbd2 Nc4 14. Nxc4 bxc4 15. d5 Rb8 16. Re3 a5 17. Rc3 Ba6 18. b3 Rfc8 19. Be3 Qd7 20. bxc4 Nxe4 21. Bxe4 f5 22. Bc2 Rxc4 23. Rxc4 Bxc4 24. Ng5 h6 25. Ne6 Rb5 26. Bxf5 Qb7 27. Qg4 Bf6 28. Qxc4 1-0

[Event "LSS OP-2008-0-00623"]
[Site "LSS email"]
[Date "2008.09.08"]
[Round "?"]
[White "McDonald, Graham R"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1912"]
[BlackElo "1628"]
[PlyCount "69"]
[EventDate "2008.09.05"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[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 h6 9. Be2 Be6 10. 0-0 Bg5 11. Qd3 Nge7 12. Nc2 Ng6 13. Nd5 Bxc1 14. Raxc1 0-0 15. Qe3 Bxd5 16. cxd5 Nce7 17. Bg4 f5 18. Bxf5 Nxf5 19. exf5 Rxf5 20. Nd4 Rf7 21. Ne6 Qf6 22. Qb6 Nf4 23. Nxf4 exf4 24. Qb3 f3 25. Qxf3 Qxf3 26. gxf3 Raf8 27. Rfe1 Rxf3 28. Rc2 R3f5 29. Re7 R5f7 30. Rcc7 Rxe7 31. Rxe7 Rf7 32. Re6 Rf6 33. Re7 Rf7 34. Re6 Rf6 35. Re7 1/2-1/2

[Event "LSS OP-2008-0-00623"]
[Site "LSS email"]
[Date "2008.09.08"]
[Round "?"]
[White "Raines, David T"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1063"]
[BlackElo "1610"]
[PlyCount "33"]
[EventDate "2008.09.05"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. e3 Bb7 5. Bd3 Be7 6. 0-0 c5 7. Nc3 cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 0-0 11. Qh5 Nf6 12. Qh4 Nbd7 13. Nxd7 Qxd7 14. Bg5 Rfe8 15. Bxf6 Bxf6 16. Qxh7+ Kf8 17. Bb5 1/2-1/2

[Event "LSS OP-2008-0-00621"]
[Site "LSS email"]
[Date "2008.09.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Bohm, Tomas"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "21"]
[EventDate "2008.09.03"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 Bc5 4. Bb2 d6 5. g3 Nc6 6. Bg2 d5 7. cxd5 exd5 8. 0-0 Be6 9. Nc3 0-0 10. Rc1 Qd7 11. Na4 1-0

[Event "LSS OP-2008-0-00621"]
[Site "LSS email"]
[Date "2008.09.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Pech, Jaroslav Sr"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1610"]
[BlackElo "1643"]
[PlyCount "43"]
[EventDate "2008.09.03"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 h6 6. Nh3 g5 7. Ng1 Bg7 8. e3 Nf6 9. h4 g4 10. Nge2 Nh5 11. Nd5 d6 12. Nef4 Nxf4 13. Nxf4 0-0 14. Qb3 a5 15. c5+ Kh7 16. cxd6 Qxd6 17. Bd2 a4 18. Qc4 Bd7 19. Rc1 Ra6 20. Qc5 Rb6 21. Qxd6 cxd6 22. b3 1-0

[Event "LSS OP-2008-0-00621"]
[Site "LSS email"]
[Date "2008.09.05"]
[Round "?"]
[White "Weiss, Frederic J Marie"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "966"]
[BlackElo "1610"]
[PlyCount "50"]
[EventDate "2008.09.03"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nf6 8. Qe2 Qc7 9. Rd1 Be7 10. Bg5 0-0 11. Nbd2 a6 12. Bb3 b5 13. a4 b4 14. cxb4 Nxb4 15. Nc4 d5 16. exd5 Nfxd5 17. Bxe7 Qxe7 18. Na5 Qc5 19. Nc4 Bb7 20. Rac1 Nf4 21. Qe3 Qxe3 22. fxe3 Ne2+ 23. Kf1 Nxc1 24. Rxc1 Rac8 25. Rc3 Bd5 0-1

[Event "LSS OP-2008-0-00621"]
[Site "LSS email"]
[Date "2008.09.04"]
[Round "?"]
[White "Potter, Mitchel"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1160"]
[BlackElo "1628"]
[PlyCount "78"]
[EventDate "2008.09.03"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2011"]
[Source "ChessBase"]
[SourceDate "2010.08.31"]
[SourceVersion "1"]
[SourceVersionDate "2010.08.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. a3 Bb7 5. Nbd2 c5 6. c3 Be7 7. Bd3 0-0 8. e4 d6 9. 0-0 Nbd7 10. Re1 Qc7 11. Ng5 h6 12. Ngf3 a6 13. d5 exd5 14. exd5 Nxd5 15. c4 Nf4 16. Nf1 Nxd3 17. Rxe7 Nxc1 18. Rxc1 Rfe8 19. Qe2 Kf8 20. Re3 Rxe3 21. Nxe3 Re8 22. Qd3 Bxf3 23. gxf3 Kg8 24. f4 Nf6 25. Nf5 d5 26. cxd5 Qxf4 27. Rf1 Ng4 28. Ng3 Ne5 29. Qd1 Nf3+ 30. Kh1 Nd2 31. Re1 Rxe1+ 32. Qxe1 Qf3+ 33. Kg1 Qxd5 34. Qe8+ Kh7 35. Qc8 Nf3+ 36. Kg2 Nh4+ 37. Kh3 g5 38. Qe8 Qg2+ 39. Kg4 f5+ 0-1

[Event "CFriend AT-2004-0-00153 email"]
[Site "Chessfriend.com"]
[Date "2004.10.07"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Rattay, Walter"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "1631"]
[BlackElo "1751"]
[PlyCount "76"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Qc7 13. 0-0 0-0 14. Bf4 Nh5 15. Bd2 Nhf6 16. Rad1 Nxe5 17. Nxe5 Rd8 18. Bf4 b6 19. Bg3 Bd6 20. Rfe1 Bb7 21. c3 Rac8 22. Bb1 Bd5 23. Rd4 Qb7 24. Bd3 Qe7 25. Ba6 Bc5 26. Bxc8 Bxd4 27. Bxe6 Bxf2+ 28. Bxf2 Qxe6 29. Bd4 Bxa2 30. Qa6 Ra8 31. Nf3 Bc4 32. Rxe6 Bxa6 33. Re1 Nd5 34. Kf2 f6 35. b3 Bb7 36. Nh4 Rd8 37. Nf5 Rd7 38. Ra1 a6 1/2-1/2

[Event "CFriend AT-2004-0-00153 email"]
[Site "Chessfriend.com"]
[Date "2004.10.07"]
[Round "1"]
[White "Rattay, Walter"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "1751"]
[BlackElo "1631"]
[PlyCount "63"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Qe1 Qa5 13. e5 Bf5 14. f4 b5 15. Bb3 c4 16. Bc2 Bd3 17. Qd1 Qxa2 18. Bxd3 cxd3 19. Qxd3 a6 20. Bf2 Qb3 21. Ra1 Nb4 22. Rfb1 Nxd3 23. Rxb3 f6 24. g3 fxe5 25. dxe5 g5 26. Rba3 gxf4 27. gxf4 Kf7 28. Rxa6 Rxa6 29. Rxa6 Rb8 30. Bg3 b4 31. cxb4 Nxb4 32. Ra7 1/2-1/2

[Event "CFriend AT-2004-0-00092 email"]
[Site "Chessfriend.com"]
[Date "2004.08.14"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Nakamura, Senri"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1631"]
[BlackElo "1360"]
[PlyCount "43"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[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 Ne7 7. Qg4 0-0 8. Bd3 Nbc6 9. Qh5 Ng6 10. Nf3 Qc7 11. Be3 c4 12. Bxg6 fxg6 13. Qg4 Bd7 14. h4 Rf5 15. h5 gxh5 16. Rxh5 Rxh5 17. Qxh5 Rf8 18. Qh3 Qb6 19. Kd2 Qb2 20. Rh1 h6 21. Qg4 Na5 22. Ne1 1-0

[Event "CFriend AT-2004-0-00092 email"]
[Site "Chessfriend.com"]
[Date "2004.08.14"]
[Round "1"]
[White "Nakamura, Senri"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "1360"]
[BlackElo "1631"]
[PlyCount "56"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[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 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Kh1 Bd7 18. e5 Rc8 19. Nf4 Nc4 20. e6 Ba4 21. Nxg6 hxg6 22. Bxg6 Ne5 23. Be4 Qa5 24. Qb2 Rc4 25. Qf2 Rxe4 26. fxe4 Qc3 27. d6 Rc8 28. d7 Rd8 0-1

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Bouma, Jan"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1820"]
[BlackElo "1631"]
[PlyCount "65"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Bg4 13. Bg5 h6 14. Be3 Nc6 15. Rxb7 Rab8 16. Rxb8 Rxb8 17. d5 Ne5 18. h3 Bxf3 19. Bxf3 Nxf3+ 20. gxf3 e6 21. d6 Rd8 22. Qd3 Qa5 23. f4 e5 24. Rd1 exf4 25. Bxf4 Be5 26. Qg3 Qa4 27. Rd5 Bg7 28. Qe3 a5 29. e5 Kh7 30. Qd2 g5 31. Bg3 Rb8 32. Rxa5 Rb1+ 33. Kh2 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Ercan, Sezar"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1631"]
[BlackElo "2172"]
[PlyCount "56"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Re1 d6 8. c4 Nc6 9. Nxc6 bxc6 10. b3 Be7 11. Bb2 e5 12. c5 0-0 13. cxd6 Qxd6 14. Qc2 Rd8 15. Rd1 Bg4 16. Rd2 Nh5 17. Be2 Qg6 18. Bxg4 Qxg4 19. Bxe5 Bg5 20. Re2 Bf4 21. Bc3 Bc7 22. Rd2 Nf4 23. f3 Qg5 24. g3 Bb6+ 25. Kh1 Qh5 26. Qd1 Nh3 27. Qe2 Rxd2 28. Nxd2 Nf2+ 0-1

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Gomez, Carlos"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1631"]
[BlackElo "1716"]
[PlyCount "53"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 c5 5. Nf3 Nf6 6. d3 d6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nc6 10. Ne1 Nd7 11. f4 Nd4 12. Be3 a6 13. b4 Rb8 14. b5 a5 15. Ne2 Nxe2+ 16. Qxe2 f5 17. exf5 Bxg2 18. Kxg2 exf5 19. Bf2 Rf6 20. Nc2 Bf8 21. Ne3 Re6 22. Qf3 g6 23. Nd5 Bg7 24. Rae1 Re8 25. Rxe8+ Qxe8 26. Re1 Qf7 27. Re7 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Grennefors, Thomas"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1631"]
[BlackElo "1812"]
[PlyCount "60"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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. 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. Qg5 Qb6 22. Qxe7 Re2 23. Kb1 Qa5 24. a4 Qc3 25. Qa3 Rb8 26. Rc1 Rb4 27. Rhd1 Bd4 28. Ka2 Rxh2 29. Rh1 Rg2 30. Rhd1 Bf6 0-1

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Kovacevic, Antun"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1631"]
[BlackElo "1943"]
[PlyCount "17"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[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 d6 4. 0-0 Bd7 5. c4 g6 6. d4 cxd4 7. Nxd4 Bg7 8. Be3 Nf6 9. f3 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Ould Ahmed, Samy"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "1631"]
[BlackElo "2199"]
[PlyCount "74"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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. d4 Bg4 10. Be3 Na5 11. Bc2 Nc4 12. Bc1 exd4 13. cxd4 c5 14. b3 Nb6 15. Nbd2 Rc8 16. Bb2 cxd4 17. Bxd4 Nfd7 18. h3 Bh5 19. Rc1 Bf6 20. Bxf6 Qxf6 21. Bd3 Qf4 22. Rxc8 Rxc8 23. Qe2 Rc3 24. Qe3 Qxe3 25. Rxe3 Bxf3 26. Nxf3 Nc5 27. Ne1 b4 28. f4 Kf8 29. Kf2 Rc1 30. Be2 a5 31. Bf3 a4 32. bxa4 Nbxa4 33. Kg3 Rc3 34. Kf2 Rc1 35. g4 Ra1 36. Re2 Nc3 37. Rb2 Rxe1 0-1

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Vonhoff, Joerg"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1631"]
[BlackElo "1864"]
[PlyCount "64"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 h6 8. f3 b5 9. Qd2 b4 10. Nce2 e5 11. Nf5 d5 12. 0-0-0 Be6 13. exd5 Qxd5 14. Bg2 Nbd7 15. Qxd5 Nxd5 16. f4 Nxe3 17. Nxe3 0-0-0 18. f5 Bc5 19. Nd5 Bxd5 20. Rxd5 Rhe8 21. Rhd1 Be3+ 22. Kb1 Nf6 23. Rxd8+ Rxd8 24. Rxd8+ Kxd8 25. h3 h5 26. gxh5 Ke7 27. c3 bxc3 28. Nxc3 Bd4 29. Ne2 Nxh5 30. Kc2 Kf6 31. b4 Bb6 32. a4 a5 1/2-1/2

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Grinwis, Jaap"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1977"]
[BlackElo "1631"]
[PlyCount "99"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 13. Qh5 0-0 14. 0-0 f4 15. Rfd1 Rb8 16. Nc2 Qd7 17. h3 f5 18. Ncb4 Nxb4 19. Nxb4 a5 20. exf5 Bf7 21. Qh4 axb4 22. f6 Bg6 23. fxg7 Qxg7 24. Bxg6 Qxg6 25. cxb4 Kh8 26. Qg4 Qe4 27. Qh4 Rbd8 28. a3 Qb7 29. Qh6 Qe7 30. Rd5 Rf6 31. Qh5 Rg8 32. Kh2 Rfg6 33. Rg1 Qb7 34. Qd1 Qb6 35. Qe2 Rb8 36. g4 fxg3+ 37. fxg3 Rf6 38. Rf1 Rxf1 39. Qxf1 Kg7 40. Qe2 Rf8 41. Rxb5 Qf2+ 42. Qxf2 Rxf2+ 43. Kg1 Rxb2 44. a4 Kf6 45. a5 Ra2 46. g4 Ke6 47. Rb6 e4 48. a6 Ke5 49. Rb5+ Kf4 50. Ra5 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Jordaan, Wayne"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1740"]
[BlackElo "1631"]
[PlyCount "46"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Nbd2 Nbd7 7. c4 c5 8. cxd5 Nxd5 9. Nb3 c4 10. Nbd2 b5 11. a4 c3 12. Nb1 cxb2 13. Bxb2 b4 14. e4 N5b6 15. Qb3 a5 16. Nbd2 e5 17. dxe5 Nxe5 18. Bxe5 Bxe5 19. Nxe5 Qxd2 20. Nf3 Qe2 21. Nd4 Qc4 22. Qe3 Ba6 23. Rfd1 Qc5 0-1

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Makeyev, Alexey"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1915"]
[BlackElo "1631"]
[PlyCount "53"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.19"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Bg2 d5 5. cxd5 Nxd5 6. d3 e5 7. 0-0 Be7 8. Na3 Be6 9. Bd2 0-0 10. Nc4 f6 11. Rc1 b5 12. Ne3 f5 13. a4 a6 14. Nxd5 Bxd5 15. Be3 Nd4 16. Nxe5 Bxg2 17. Kxg2 Qd5+ 18. Nf3 Nxf3 19. exf3 Rac8 20. axb5 axb5 21. Qc2 Rfd8 22. b4 cxb4 23. Qxc8 Rxc8 24. Rxc8+ Kf7 25. Rc7 Qd6 26. Bf4 Qe6 27. Bg5 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Noble, Mark Frederick"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2167"]
[BlackElo "1631"]
[PlyCount "103"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Qd2 Qxd2+ 12. Bxd2 b6 13. 0-0 e6 14. Rfc1 Bb7 15. Bb4 Rd8 16. Bb5 a6 17. Be7 Rc8 18. Rxc8+ Bxc8 19. Rc1 Bd7 20. Bxd7 Nxd7 21. Kf1 b5 22. Ke2 Nb6 23. Rc6 Nc4 24. Kd3 h6 25. d5 exd5 26. exd5 Bf8 27. Bxf8 Kxf8 28. Kd4 Ke8 29. Ne5 Nxe5 30. Kxe5 Ra7 31. f4 a5 32. f5 b4 33. fxg6 fxg6 34. Rxg6 Re7+ 35. Kd4 Kd7 36. Re6 Rf7 37. Ra6 Rf2 38. Rxa5 Rxg2 39. Ra7+ Kd6 40. Ra6+ Kd7 41. h3 h5 42. Kc5 Rc2+ 43. Kxb4 Rb2+ 44. Kc5 Rc2+ 45. Kd4 Rd2+ 46. Ke4 Re2+ 47. Kf4 Rd2 48. Ke5 Re2+ 49. Kf5 Rd2 50. Ra5 Kd6 51. Kg5 Rd3 52. h4 1-0

[Event "CFriend SI-2004-0-00023 email"]
[Site "Chessfriend.com"]
[Date "2004.07.27"]
[Round "1"]
[White "Schwarte, Joachim"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1763"]
[BlackElo "1631"]
[PlyCount "79"]
[EventDate "2004.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 Bg7 13. Qh5 f4 14. c4 bxc4 15. Bxc4 0-0 16. Rac1 Rb8 17. b3 Qa5 18. Nb1 Kh8 19. Rfd1 Nd4 20. Nbc3 Qd8 21. Bxa6 f5 22. Bd3 f3 23. exf5 Bxf5 24. g3 e4 25. Bxe4 Bxe4 26. Rxd4 Bxd4 27. Nxe4 Qe8 28. Qh4 Rc8 29. Rd1 Rc2 30. Ng5 Bxf2+ 31. Kh1 Qg6 32. Nf4 Qg8 33. Nxh7 Qxh7 34. Ng6+ Kg8 35. Qxh7+ Kxh7 36. Nxf8+ Kg7 37. Ne6+ Kf6 38. Nf4 Rxa2 39. Rf1 Rb2 40. Nd3 1-0

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Amann, Klaus"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1638"]
[BlackElo "1966"]
[PlyCount "76"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Bxf6 8. h4 a6 9. Bd3 c5 10. dxc5 Nxc5 11. Be2 Qe7 12. Qd2 b5 13. 0-0-0 Bb7 14. Qe3 Rc8 15. Bxf6 Qxf6 16. Rd4 0-0 17. Rhd1 Qe7 18. h5 h6 19. Kb1 Qc7 20. Ne1 Rfd8 21. Rxd8+ Rxd8 22. Rxd8+ Qxd8 23. g4 Ne4 24. Bd3 Nd6 25. f4 Qh4 26. b3 Bd5 27. g5 Qxh5 28. gxh6 gxh6 29. Kb2 Qh1 30. Qg3+ Kf8 31. f5 Nxf5 32. Bxf5 exf5 33. Qd6+ Kg7 34. Nd3 Be4 35. Qxa6 Bxd3 36. cxd3 Qd5 37. Kc3 Qc5+ 38. Kd2 f4 0-1

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Chambers, Chris L"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1638"]
[BlackElo "1808"]
[PlyCount "96"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 Rb8 13. g3 Bg5 14. Bg2 a5 15. 0-0 Ne7 16. Nce3 Bxe3 17. Nxe3 Be6 18. Qd2 Qb6 19. Rfd1 Rfd8 20. b3 b4 21. c4 Nc6 22. Nc2 a4 23. Kh1 f6 24. f4 Qc5 25. f5 Bf7 26. g4 Rb7 27. h4 Ra7 28. g5 Bh5 29. Rf1 Rf8 30. Rab1 Rff7 31. Bf3 Bxf3+ 32. Rxf3 axb3 33. axb3 Ra2 34. Qd3 Nd4 35. Nxd4 exd4 36. Rd1 Qe5 37. Rh3 fxg5 38. hxg5 Qf4 39. g6 hxg6 40. fxg6 Rf6 41. c5 Qg4 42. Rg1 Qe6 43. cxd6 Ra6 44. Rh4 Rxd6 45. Qb5 Rd8 46. Qh5 Kf8 47. Qc5+ Kg8 48. Qh5 Kf8 1/2-1/2

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Dehaybe, Andre"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1633"]
[BlackElo "1877"]
[PlyCount "88"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 0-0 8. Nge2 Nc6 9. 0-0 Re8 10. b3 Bf6 11. Be3 Nb4 12. Bb1 Bg4 13. a3 Nc6 14. Qd3 g6 15. Ng3 d5 16. c5 Nc8 17. h3 Be6 18. b4 N8e7 19. Ba2 b6 20. b5 Na5 21. Rac1 bxc5 22. dxc5 a6 23. bxa6 c6 24. Bd4 Nf5 25. Bxf6 Qxf6 26. Rfe1 Qd4 27. Qxd4 Nxd4 28. Rb1 Rxa6 29. Rb2 Ra7 30. Reb1 Bc8 31. Rb8 Ne6 32. Na4 Kf8 33. Nb6 Bd7 34. Nxd7+ Rxd7 35. Rxe8+ Kxe8 36. Ne2 Nxc5 37. Nd4 Na4 38. Rb8+ Rd8 39. Rxd8+ Kxd8 40. Bb1 c5 41. Ne2 d4 42. Kf1 Nc4 43. Bc2 Nab2 44. Bb3 Nd2+ 0-1

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Farkas, Lajos"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "1650"]
[BlackElo "1714"]
[PlyCount "60"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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. d4 Bg4 10. Be3 exd4 11. cxd4 Na5 12. Bc2 c5 13. dxc5 dxc5 14. Nbd2 Nd7 15. Bf4 Nc4 16. Nxc4 bxc4 17. Qe2 Qb6 18. e5 Qe6 19. h3 Bh5 20. g4 Bg6 21. Bxg6 hxg6 22. Rad1 Rfe8 23. Bg5 Rab8 24. Bxe7 Qxe7 25. Rd6 Nf8 26. Rxa6 Rb4 27. Rd6 Ne6 28. Red1 Qb7 29. R1d2 Qa8 30. Kh2 Reb8 1/2-1/2

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Foote, Ian"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1638"]
[BlackElo "1819"]
[PlyCount "66"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 0-0 8. Bd3 Qa5 9. Bd2 Nbc6 10. Nf3 f5 11. exf6 Rxf6 12. Qh5 Nf5 13. c4 Qa4 14. cxd5 Ncxd4 15. Ng5 h6 16. Ne4 Rf8 17. 0-0 b6 18. Nc3 Qe8 19. Qxe8 Rxe8 20. Rfe1 Bb7 21. dxe6 Nh4 22. Be4 Bxe4 23. Rxe4 Nhf5 24. Rc1 Nd6 25. Ree1 Nc4 26. Nb1 Rxe6 27. Rxe6 Nxe6 28. Bc3 b5 29. Rd1 a5 30. Kf1 b4 31. axb4 axb4 32. Bd2 Ra1 33. Ke1 Nd4 0-1

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "1"]
[White "Erkens, Tjeerd"]
[Black "Schwarte, Joachim"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1631"]
[BlackElo "1763"]
[PlyCount "141"]
[EventDate "2004.01.28"]
[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 e6 5. Nc3 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne2 Qd5 13. Nf4 Qc5 14. b4 Qb6 15. Re1 Bg4 16. Qd2 Rfe8 17. Bb2 Rad8 18. Rxe8+ Rxe8 19. Re1 Qd8 20. Rxe8+ Qxe8 21. h3 Bd7 22. Ne2 b6 23. Nxd4 Ne5 24. Be2 Ne4 25. Qf4 Nd6 26. Nf3 Nxf3+ 27. Bxf3 Qe1+ 28. Kh2 Qe6 29. c4 Nxc4 30. Bd5 Qd6 31. Bxf7+ Kf8 32. Qxd6+ Nxd6 33. Bd5 g6 34. Kg3 Bb5 35. Kf4 Ke7 36. Bg7 Bc4 37. Ke5 Kd7 38. a4 b5 39. axb5 Bxd5 40. Kxd5 Nxb5 41. g4 a6 42. f4 Nc7+ 43. Ke5 Ke7 44. Ke4 Kd7 45. Bb2 Ke6 46. f5+ Kf7 47. fxg6+ Kxg6 48. h4 Ne6 49. Be5 Nd8 50. Kd5 Nf7 51. Bd4 Nh6 52. h5+ Kf7 53. Kc5 Nxg4 54. Kb6 Ke6 55. Kxa6 Kd5 56. Bg7 Nf2 57. b5 Ne4 58. Bf8 Nf6 59. b6 Nd7 60. b7 Ke6 61. Kb5 Nb8 62. Kb6 Kd5 63. h6 Ke6 64. Bb4 Kd5 65. Bd2 Ke4 66. Be1 Nd7+ 67. Kc6 Nb8+ 68. Kc7 Na6+ 69. Kb6 Nb8 70. Bg3 Nd7+ 71. Kc6 1-0

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Gazen, Louis"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1947"]
[BlackElo "1633"]
[PlyCount "60"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 b6 7. Nc3 e5 8. Be3 h6 9. Qd2 Ne7 10. 0-0-0 Be6 11. h4 Qd7 12. Ne2 0-0-0 13. Qc3 Bg4 14. Rde1 f5 15. Nh2 Bxe2 16. Rxe2 fxe4 17. dxe4 Qe6 18. Kb1 Rd7 19. Rd2 Rxd2 20. Qxd2 Rd8 21. Qe2 Kb7 22. f3 Nc8 23. Ng4 h5 24. Bg5 Rd7 25. Nf2 Nd6 26. Rd1 Nb5 27. Rxd7+ Qxd7 28. Qc4 Nd4 29. Qg8 Ne6 30. b3 Nxg5 0-1

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Kuchler, Ruud"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D96"]
[WhiteElo "1757"]
[BlackElo "1650"]
[PlyCount "37"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 Nc6 7. e4 Bg4 8. Be3 0-0 9. d5 Bxf3 10. gxf3 Ne5 11. Qe2 a6 12. f4 Ned7 13. e5 Ne8 14. h4 h5 15. 0-0-0 b5 16. Bh3 b4 17. Ne4 Nb6 18. f5 Bxe5 19. fxg6 1-0

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "1"]
[White "Kurpnieks, Vairis"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2075"]
[BlackElo "1631"]
[PlyCount "77"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. d3 d5 7. cxd5 Nxd5 8. Bd2 Nc6 9. h4 h5 10. Rc1 Bg4 11. 0-0 Nxc3 12. bxc3 Qc7 13. Ng5 Rad8 14. Ne4 b6 15. Re1 Rd7 16. Qa4 Nb8 17. Bf4 e5 18. Be3 Kh8 19. Rcd1 a6 20. Qb3 f5 21. f3 fxe4 22. fxg4 exd3 23. exd3 hxg4 24. Qe6 Rd6 25. Qxg4 Qd7 26. Qe4 Nc6 27. Bg5 Ne7 28. Rf1 Rf5 29. Qa8+ Kh7 30. Bxe7 Qxe7 31. Qxa6 Qd7 32. Be4 Rxf1+ 33. Rxf1 b5 34. Qa8 Qg4 35. Kg2 c4 36. Qb7 Rxd3 37. Bxd3 cxd3 38. Qf3 Qc4 39. h5 1-0

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Lukin, Andrey"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1986"]
[BlackElo "1633"]
[PlyCount "36"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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. c4 a6 10. Qa4 Nd7 11. c5 Rb8 12. Nxd6+ Bxd6 13. cxd6 0-0 14. Bd3 Nf6 15. Bg5 Qxd6 16. Qh4 Qxd5 17. Bc2 Qc6 18. Rc1 e4 0-1

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Pott, Brian"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1611"]
[BlackElo "1633"]
[PlyCount "75"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 Qa5+ 10. Bd2 Qd8 11. Nxf6+ Qxf6 12. Bd3 Qg6 13. 0-0 Be7 14. c4 Bg4 15. Be2 Bxe2 16. Qxe2 Nd4 17. Qd3 bxc4 18. Nxc4 d5 19. Nxe5 Qxe4 20. Rae1 Qxd3 21. Nxd3 Ne6 22. f4 0-0 23. f5 Nc5 24. Rxe7 Nxd3 25. Bc3 Rfe8 26. Rxe8+ Rxe8 27. Rd1 Nf4 28. Kf2 Rd8 29. Kf3 Nh5 30. g4 Nf6 31. Bxf6 gxf6 32. b4 Rb8 33. a3 a5 34. Rb1 axb4 35. Rb3 Kf8 36. axb4 Ke7 37. b5 Kd6 38. Ke3 1/2-1/2

[Event "CFriend SI-2004-0-00016 email"]
[Site "Chessfriend.com"]
[Date "2004.01.28"]
[Round "?"]
[White "Urbelz, Ignacio"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1464"]
[BlackElo "1638"]
[PlyCount "58"]
[EventDate "2004.01.28"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. d3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 d6 6. 0-0 e5 7. c3 Nge7 8. a3 0-0 9. b4 a6 10. Be3 b6 11. Nbd2 f5 12. Qb3+ Kh8 13. Ng5 f4 14. Nf7+ Rxf7 15. Qxf7 fxe3 16. fxe3 Bg4 17. Bf3 Bd7 18. Bg2 b5 19. Qb3 Bh6 20. Rae1 Qb6 21. Kh1 Rd8 22. Qa2 cxb4 23. axb4 Bxe3 24. Rf7 Bh6 25. Ref1 Re8 26. R7f2 Nd8 27. Qa1 Be3 28. Re2 Bg4 29. Bf3 Bxf3+ 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Alonso, Rodolfo"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1989"]
[BlackElo "1615"]
[PlyCount "55"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Bg4 13. Bg5 h6 14. Be3 Nc6 15. d5 Ne5 16. Rxb7 e6 17. d6 Rfd8 18. Re1 Bxf3 19. gxf3 Qa5 20. Rf1 Bf8 21. d7 Qa2 22. Kg2 Nxd7 23. Rxd7 Rxd7 24. Qxd7 Qxe2 25. Rb1 Qa2 26. Qc6 Rd8 27. Rb7 Rd1 28. Qe8 1-0

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Bossenbroek, Hendrik Jan"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1769"]
[BlackElo "1624"]
[PlyCount "59"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Bg4 13. Bg5 h6 14. Be3 Nc6 15. d5 Ne5 16. Rxb7 e6 17. d6 Rfd8 18. Re1 Bxf3 19. gxf3 Qa5 20. Rf1 Bf8 21. Qa1 Qxa1 22. Rxa1 Rxd6 23. Raxa7 Rxa7 24. Rxa7 Rd7 25. Ra8 Kg7 26. f4 Nc6 27. Bb5 Rd1+ 28. Kg2 Nd8 29. Ba4 Be7 30. Bxd1 1-0

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Heesen, Jos HW"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1624"]
[BlackElo "1935"]
[PlyCount "68"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 f5 3. Nc3 e6 4. g3 Bb7 5. Bg2 Nf6 6. 0-0 Be7 7. b3 0-0 8. Bb2 c5 9. d4 Ne4 10. Qc2 d5 11. cxd5 exd5 12. Rfd1 Na6 13. a3 Rc8 14. Rac1 cxd4 15. Nxd4 Nxc3 16. Bxc3 Bxa3 17. Ne6 Qe7 18. Nxf8 Bxc1 19. Qxc1 Qxf8 20. Bxd5+ Bxd5 21. Rxd5 Nb4 22. Rd2 Qf6 23. Rc2 Qc6 24. Qg5 Qg6 25. Bxb4 Qxg5 26. Rxc8+ Kf7 27. Rc7+ Ke6 28. Rxa7 Qc1+ 29. Kg2 Qc6+ 30. Kg1 Qb5 31. Bf8 Qxb3 32. Rxg7 Qa4 33. h4 Qa8 34. Bb4 Qa1+ 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Kerkvliet, Kees"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1650"]
[BlackElo "1922"]
[PlyCount "86"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 Nxd4 7. Qxd4 g6 8. Bg5 Bg7 9. 0-0-0 0-0 10. e5 Qa5 11. Bxf6 dxe5 12. Qxe5 Qxe5 13. Bxe5 Bxe5 14. Nd5 Bd6 15. Bc4 Be6 16. Bb3 Rfd8 17. h3 h5 18. Rd3 Bf5 19. Rdd1 g5 20. g4 Bg6 21. Rhe1 Kf8 22. Rd2 e6 23. Ne3 Bf4 24. Rdd1 f6 25. c3 h4 26. Rxd8+ Rxd8 27. Bc2 Be8 28. Be4 b6 29. Kc2 Rc8 30. Ng2 Be5 31. Kd2 Rd8+ 32. Ke2 Bb5+ 33. Ke3 Bd6 34. b4 Rc8 35. Kd2 Rd8 36. Ke3 Ke7 37. a3 Rc8 38. Rc1 a5 39. Kd2 Be5 40. Bg6 f5 41. gxf5 Kf6 42. bxa5 bxa5 43. Rc2 exf5 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Novoa, Ruben Fernando"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1615"]
[BlackElo "1876"]
[PlyCount "84"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c5 7. d4 Na6 8. b3 cxd4 9. Nxd4 Nc5 10. Bb2 Rb8 11. Qc2 Ne6 12. e3 Bd7 13. Rfd1 a6 14. Nd5 Nxd5 15. cxd5 Nxd4 16. Bxd4 Bxd4 17. Rxd4 Rc8 18. Rc4 Rxc4 19. Qxc4 b5 20. Qc3 Qb6 21. Qd2 Rc8 22. Rc1 Rxc1+ 23. Qxc1 b4 24. a4 a5 25. Qc4 Qb7 26. e4 Qc8 27. Bf1 Qxc4 28. Bxc4 f5 29. f3 fxe4 30. fxe4 g5 31. Kf2 Kf7 32. Ke3 Kf6 33. h4 gxh4 34. gxh4 Ke5 35. Be2 Bh3 36. Bf3 e6 37. dxe6 Bxe6 38. Bd1 Bf7 39. Bc2 Bh5 40. Bd3 Bg6 41. Bc2 d5 42. Bd3 Bxe4 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Precerutti, Juan Arturo"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1650"]
[BlackElo "1784"]
[PlyCount "76"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. Be3 Bg7 5. c4 0-0 6. Nc3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 Nd7 10. exf5 gxf5 11. Bd3 Ndf6 12. Nge2 Kh8 13. h3 f4 14. Bf2 Bd7 15. Kb1 Qe8 16. Rhe1 Qf7 17. Bc2 a6 18. g4 fxg3 19. Nxg3 Nxg3 20. Bxg3 Nh5 21. Bh2 Qxf3 22. Ne4 Nf6 23. Ng5 Qh5 24. Qg2 Rae8 25. Rg1 Bh6 26. Ne6 Bxe6 27. dxe6 b6 28. Qc6 Re7 29. Rdf1 Qxh3 30. Rh1 Qxe6 31. Bxe5 dxe5 32. Qxe6 Rxe6 33. Rxh6 Kg7 34. Rh2 e4 35. Rg2+ Kh8 36. Re2 Rg8 37. Kc1 Rg3 38. Rfe1 e3 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Stadler, Pavel"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1615"]
[BlackElo "1566"]
[PlyCount "57"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. e3 Nf6 7. Be2 0-0 8. 0-0 Nxd4 9. exd4 d5 10. Re1 Be6 11. c5 c6 12. b4 a6 13. a4 Qc7 14. Be3 Ne4 15. Qc2 Nxc3 16. Qxc3 Bf5 17. b5 axb5 18. axb5 cxb5 19. Bxb5 b6 20. Rac1 Ra5 21. Qb3 Be6 22. c6 Rfa8 23. g3 Ra3 24. Qd1 R3a5 25. Bf1 b5 26. Qb3 Qb6 27. Bd2 Ra2 28. c7 Bxd4 29. Rxe6 1-0

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Weiss, Frederic J Marie"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "1650"]
[BlackElo "1705"]
[PlyCount "84"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Ng4 9. e3 Nge5 10. b3 d6 11. Bb2 Bg4 12. f3 Bd7 13. Nxc6 Bxc6 14. Qc2 Rc8 15. e4 a6 16. Rad1 Nd7 17. Nd5 Bxd5 18. Bxg7 Bxc4 19. bxc4 Kxg7 20. Qb2+ f6 21. Qxb7 Nc5 22. Qd5 Qa5 23. Rf2 Qa4 24. f4 Nd7 25. Rc1 Nb6 26. Qb7 Rxc4 27. Rxc4 Nxc4 28. Qxe7+ Rf7 29. Qe6 Qd1+ 30. Bf1 Nd2 31. Kg2 Nxf1 32. Rxf1 Qd4 33. Qd5 Qxd5 34. exd5 Rb7 35. Rf2 a5 36. Kf3 f5 37. Ke3 Rb4 38. Kd3 a4 39. Re2 h6 40. Kc3 Rb5 41. Re7+ Kh8 42. Ra7 Rxd5 1/2-1/2

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Lo, Angus"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1733"]
[BlackElo "1624"]
[PlyCount "47"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bb5 Bd7 7. 0-0 e6 8. Nxc6 bxc6 9. Be2 Be7 10. Qd3 0-0 11. Qg3 e5 12. b3 Be6 13. f4 Qb6+ 14. Kh1 exf4 15. Bxf4 Rfd8 16. a3 a5 17. Be3 Qb7 18. Bd4 Kh8 19. e5 dxe5 20. Bxe5 Rg8 21. Rad1 Rad8 22. Rxd8 Bxd8 23. Bd3 Be7 24. Qh4 1-0

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Soule, Larry P"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1658"]
[BlackElo "1615"]
[PlyCount "64"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. Be3 Nc6 10. Rc1 cxd4 11. cxd4 Qa5+ 12. Kf1 Qa3 13. Rc3 Qd6 14. h4 h5 15. Qd3 e5 16. f4 exd4 17. e5 Qe7 18. Nxd4 Nxd4 19. Bxd4 Rd8 20. Kf2 Bf5 21. Qe3 Rac8 22. Bb3 Rxc3 23. Qxc3 Rc8 24. Qe3 a6 25. g3 b5 26. Rc1 Rxc1 27. Qxc1 Qd7 28. Qd2 a5 29. Be3 a4 30. Bd5 Bf8 31. Ke2 b4 32. Bc4 Qc8 0-1

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Staven, Pekka"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1941"]
[BlackElo "1650"]
[PlyCount "73"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 c5 4. f4 e6 5. Nf3 a6 6. Be2 Nc6 7. 0-0 Bd6 8. Qe1 Qc7 9. Qg3 Bf8 10. d3 Bd7 11. Nbd2 0-0-0 12. Ne5 Be8 13. d4 h5 14. c4 cxd4 15. Nxc6 Bxc6 16. exd4 Bb4 17. Bc3 h4 18. Qe3 Bxc3 19. Qxc3 Kb8 20. c5 h3 21. g3 Ne4 22. Nxe4 dxe4 23. b4 Qd7 24. Rfd1 f5 25. b5 Bxb5 26. Bxb5 axb5 27. Rab1 Qc6 28. Rd2 g5 29. fxg5 e5 30. Rbd1 exd4 31. Rxd4 Rxd4 32. Qxd4 Re8 33. Qd6+ Kc8 34. Rd5 e3 35. Kf1 e2+ 36. Ke1 Rg8 37. g6 1-0

[Event "CFriend SI-2003-0-00011 email"]
[Site "Chessfriend.com"]
[Date "2003.08.05"]
[Round "?"]
[White "Valdez Aguero, Daniel"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "D88"]
[WhiteElo "1803"]
[BlackElo "1624"]
[PlyCount "58"]
[EventDate "2003.08.05"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. Be3 Nc6 10. 0-0 Bg4 11. f3 Na5 12. Bxf7+ Rxf7 13. fxg4 Rxf1+ 14. Kxf1 cxd4 15. cxd4 e5 16. Kg1 b5 17. d5 Nc4 18. Bf2 Nd6 19. Qd3 a6 20. h4 Rc8 21. g5 Qd7 22. Rc1 Rxc1+ 23. Nxc1 Qg4 24. Bc5 Nxe4 25. Bb4 Nxg5 26. hxg5 Qxb4 27. d6 Qc5+ 28. Kh2 e4 29. d7 Qc7+ 0-1

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Blittkowsky, Ralf"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1615"]
[BlackElo "1928"]
[PlyCount "79"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Nb5 d5 7. cxd5 Bc5 8. Bg2 Nb4 9. 0-0 0-0 10. N5c3 Bf5 11. e4 Bg4 12. Qd2 Qd7 13. a3 Na6 14. Qd3 Ne8 15. Be3 Nd6 16. f3 Bh3 17. Nd2 Rac8 18. Rac1 Bxg2 19. Kxg2 Bxe3 20. Qxe3 Nc5 21. Rc2 a5 22. Rfc1 a4 23. Ne2 b6 24. Nc4 Nxc4 25. Rxc4 Rb8 26. Nc3 Nb3 27. Rd1 b5 28. Rb4 Rfc8 29. f4 Nd4 30. Qd3 f6 31. Rd2 Rd8 32. h3 Rdc8 33. Qe3 Qe8 34. fxe5 fxe5 35. d6 Qd7 36. Rbxd4 exd4 37. Qxd4 Qe6 38. e5 Re8 39. Qd5 Qxd5+ 40. Rxd5 1-0

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Maidana Guerra, Victor Ramon"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1650"]
[BlackElo "1916"]
[PlyCount "84"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 c5 5. Bb2 Be7 6. Bg2 Nc6 7. 0-0 0-0 8. cxd5 Nxd5 9. Nc3 Bf6 10. Qc1 Nxc3 11. Bxc3 e5 12. d3 Bg4 13. h3 Be6 14. Rd1 Bd5 15. Qb2 Re8 16. Rac1 Rc8 17. e4 Be6 18. Kh2 Qd6 19. a3 a5 20. Bf1 Red8 21. Bd2 b6 22. Rc2 Be7 23. Rdc1 Rf8 24. b4 f5 25. bxc5 bxc5 26. Bg2 fxe4 27. dxe4 Nd4 28. Nxd4 exd4 29. Bxa5 Qa6 30. Qb6 Rc6 31. Qxa6 Rxa6 32. Be1 Rxa3 33. f4 Rb8 34. f5 Bb3 35. Rb2 Ra2 36. Rxa2 Bxa2 37. g4 Rb2 38. Kg3 Bd6+ 39. Kf3 c4 40. Bf1 c3 41. Bd3 g5 42. fxg6 hxg6 0-1

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Turicnik, Vladimir"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1615"]
[BlackElo "1975"]
[PlyCount "72"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d4 d6 7. Nc3 Nc6 8. b3 Bf5 9. Bb2 Ne4 10. Rc1 Nxd4 11. Nxd4 Bxd4 12. e3 Bxc3 13. Bxc3 Nxc3 14. Rxc3 Qa5 15. Qd2 Rab8 16. Rd1 a6 17. e4 Bg4 18. f3 Be6 19. Rd3 Qxd2 20. R3xd2 b5 21. cxb5 axb5 22. Bf1 b4 23. Kf2 Ra8 24. Bb5 Rfb8 25. Be2 Ra3 26. Rc1 Rba8 27. Rcc2 f5 28. Ke3 Kf7 29. Bd3 Kf6 30. f4 R8a7 31. Rg2 fxe4 32. Bxe4 d5 33. Bf3 c4 34. Kd4 Bh3 35. Rge2 e6 36. Kc5 cxb3 0-1

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Vidalina, Franjo"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1624"]
[BlackElo "2018"]
[PlyCount "78"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. a3 0-0 9. b4 Be6 10. Rb1 f6 11. d3 Nd4 12. Bb2 Nxf3+ 13. Bxf3 c6 14. Qc2 Qe8 15. Ne4 Ba2 16. Rbc1 Bd5 17. Nd2 a5 18. b5 Bxf3 19. Nxf3 cxb5 20. Qb3+ Kh8 21. Rc7 Na4 22. Rfc1 Bd6 23. R7c2 Nxb2 24. Qxb2 b4 25. axb4 Bxb4 26. Nd2 b5 27. Nb1 Qe7 28. Rc7 Qd6 29. R1c6 Qd4 30. Qc2 a4 31. Rb7 a3 32. Rcc7 Rg8 33. Qa2 Be1 34. e3 Qxd3 35. Rc1 Bb4 36. Rbc7 e4 37. Nc3 Rgd8 38. Qf7 Bf8 39. Rd1 a2 0-1

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Weiss, Frederic J Marie"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1615"]
[BlackElo "1752"]
[PlyCount "47"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be2 Nc6 7. 0-0 Bf5 8. Be3 0-0-0 9. Qc1 e6 10. Rd1 h6 11. a3 Nd5 12. Nxd5 exd5 13. c4 Be6 14. c5 Qd7 15. b4 f6 16. Qc3 g5 17. a4 g4 18. Nd2 Nb8 19. b5 Re8 20. c6 Qd6 21. cxb7+ Kxb7 22. bxa6+ Nxa6 23. Rab1+ Kc8 24. Qa5 1-0

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Laczay, Istvan"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1876"]
[BlackElo "1624"]
[PlyCount "107"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Qd2 Qxd2+ 12. Bxd2 b6 13. Rc1 Bb7 14. d5 Na6 15. Bg5 f6 16. Be3 f5 17. Bc4 Kh8 18. exf5 Rxf5 19. a3 Rd8 20. Nd4 Re5 21. Ne6 Rc8 22. 0-0 Bf6 23. Rfd1 Nc7 24. Nxc7 Rxe3 25. fxe3 Rxc7 26. a4 Bb2 27. Rc2 Ba3 28. Kf2 Kg7 29. e4 Bd6 30. h3 Kf6 31. Ke3 Ke5 32. Rf1 Ba6 33. Kd3 Bxc4+ 34. Rxc4 Rxc4 35. Kxc4 Kxe4 36. Re1+ Kf4 37. Kb5 Kg3 38. Re2 h5 39. Ka6 Bc5 40. Kxa7 b5+ 41. Ka6 bxa4 42. Kb5 Bd6 43. Kxa4 g5 44. Kb5 h4 45. Kc6 g4 46. hxg4 Kxg4 47. Kd7 Kg3 48. Rc2 Bb4 49. Rc4 Bd6 50. Ke6 Kxg2 51. Rxh4 Kf3 52. Kd7 Ke3 53. Rh6 Bc5 54. Kc6 1-0

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Meijer, Kees"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1800"]
[BlackElo "1624"]
[PlyCount "72"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. Ndb5 0-0 7. a3 Bxc3+ 8. Nxc3 d5 9. Bg5 h6 10. Bxf6 Qxf6 11. cxd5 exd5 12. Qxd5 Rd8 13. Qf3 Qb6 14. Rd1 Rxd1+ 15. Nxd1 Nc6 16. e4 Nd4 17. Qc3 Bg4 18. Ne3 Rc8 19. Nc4 Qf6 20. a4 Be6 21. h3 b6 22. b4 a6 23. b5 axb5 24. axb5 Ra8 25. e5 Qf4 26. Bd3 Bxc4 27. 0-0 Bxd3 28. Qxd3 Qxe5 29. Rb1 Ne2+ 30. Kh1 Ra1 31. Qd8+ Kh7 32. Qd1 Rxb1 33. Qxb1+ g6 34. Qa2 Kg7 35. g3 Qxb5 36. Qa1+ Kh7 0-1

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Meijer, Wilmar"]
[Black "Erkens, Tjeerd"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1784"]
[BlackElo "1638"]
[PlyCount "87"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 Ne7 9. c4 Nf5 10. Bd3 Be7 11. 0-0 0-0 12. Kh1 a6 13. Nc3 Nh4 14. f4 f5 15. g3 Ng6 16. Be3 e4 17. Be2 Bf6 18. Na4 Rb8 19. Bb6 Qe7 20. Rc1 Bd7 21. Nc3 Rfc8 22. Qd2 Nf8 23. Qe3 Be8 24. b4 Nd7 25. Na4 Nxb6 26. Nxb6 Rd8 27. Rfd1 h6 28. c5 Bf7 29. a4 Bb2 30. Rc2 Bf6 31. Nc4 dxc5 32. d6 Qe8 33. bxc5 Qxa4 34. Rdc1 Re8 35. Nb6 Qc6 36. Rd1 Rbd8 37. d7 Re7 38. Rd6 Qc7 39. Rcd2 Kf8 40. c6 bxc6 41. Bxa6 Re6 42. Rxe6 Bxe6 43. Bc8 Be7 44. g4 1/2-1/2

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Nielsen, Thomas"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D89"]
[WhiteElo "1629"]
[BlackElo "1624"]
[PlyCount "67"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Kh1 Bd7 18. e5 Rc8 19. Ng3 Ba4 20. Ne4 Qxd5 21. exf6 e5 22. Ng5 Rc7 23. Qb1 Qd6 24. Bb5 Bxb5 25. Qxb5 Qc6 26. Qxa5 b6 27. Qd2 Qxf6 28. Rd1 Kh8 29. Ne4 Qe6 30. h3 Rec8 31. f4 Rc4 32. f5 gxf5 33. Qg5 Rg8 34. Rd8 1-0

[Event "CFriend SI-2003-0-00009 email"]
[Site "Chessfriend.com"]
[Date "2003.06.25"]
[Round "?"]
[White "Ojeda, Jose Luis"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1892"]
[BlackElo "1624"]
[PlyCount "51"]
[EventDate "2003.06.25"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8. Bxc4 0-0 9. Nf3 Qxc5 10. Bb3 Qa5 11. 0-0 Nc6 12. h3 Bf5 13. Qe2 Ne4 14. Nd5 e5 15. Bh2 Nc5 16. Bc4 e4 17. Nd4 Nxd4 18. exd4 Nd3 19. Rc2 Bxd4 20. g4 Bxf2+ 21. Rxf2 Nxf2 22. gxf5 Nxh3+ 23. Kg2 Ng5 24. b4 Qa3 25. Rc3 Qa4 26. Bb5 1-0

[Event "CFriend SI-2003-0-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.04.30"]
[Round "?"]
[White "Andersson, Soren O"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1916"]
[BlackElo "1625"]
[PlyCount "75"]
[EventDate "2003.04.30"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[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 Rb8 13. h4 Be7 14. a3 Be6 15. Ncb4 Nxb4 16. axb4 Ra8 17. g3 Bd7 18. Qd2 Re8 19. Bg2 a5 20. bxa5 Rxa5 21. 0-0 Bf8 22. b4 Rxa1 23. Rxa1 Qb8 24. Bf1 Qb7 25. Qe3 Ra8 26. Rxa8 Qxa8 27. Qb6 Bc6 28. Nc7 Qb7 29. Qxb7 Bxb7 30. f3 f5 31. Bxb5 fxe4 32. fxe4 Bxe4 33. Bc4+ Kh8 34. Bd5 Bd3 35. b5 Be7 36. c4 Bd8 37. b6 Bf5 38. Na8 1-0

[Event "CFriend SI-2003-0-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.04.30"]
[Round "?"]
[White "Csoma, Robert"]
[Black "Erkens, Tjeerd"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "1512"]
[BlackElo "1625"]
[PlyCount "48"]
[EventDate "2003.04.30"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. dxe6 Qxd3 18. Nf4 Qe3+ 19. Kh1 Rac8 20. Re1 Qc3 21. Qb1 b6 22. Nd5 Qc5 23. Be3 Qd6 24. Rd1 Qxe6 0-1

[Event "CFriend SI-2003-0-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.04.30"]
[Round "?"]
[White "Delooz, Philippe"]
[Black "Erkens, Tjeerd"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1598"]
[BlackElo "1625"]
[PlyCount "45"]
[EventDate "2003.04.30"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. dxc5 Qxc5 7. Na3 a6 8. Be3 Qd5 9. Nc4 Qxd1+ 10. Rxd1 Bg4 11. Be2 g6 12. Nce5 Nxe5 13. Nxe5 Bxe2 14. Kxe2 Bg7 15. Rd3 Rc8 16. Rhd1 e6 17. Nd7 Nd5 18. Nb6 Nxe3 19. Kxe3 Rb8 20. Ke2 Bh6 21. Rd7 0-0 22. R7d3 Rfe8 23. Nd7 1-0

[Event "CFriend SI-2003-0-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.04.30"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Amann, Klaus"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1624"]
[BlackElo "1955"]
[PlyCount "68"]
[EventDate "2003.04.30"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. bxa5 dxc3 8. Qg4 Kf8 9. Nf3 Qxa5 10. Bd3 Nc6 11. 0-0 Nge7 12. Be3 b6 13. h4 Ba6 14. h5 h6 15. Nh4 Bxd3 16. cxd3 Nxe5 17. Qe2 N5c6 18. g4 d4 19. Bc1 Qe5 20. Ra2 Qxe2 21. Rxe2 Nd5 22. f4 Nf6 23. Rg2 Ke7 24. Re1 Kd6 25. Kf2 b5 26. Nf3 a5 27. Ke2 b4 28. Kd1 b3 29. Ne5 Ra7 30. Nc4+ Kd7 31. f5 e5 32. Nxe5+ Nxe5 33. Rxe5 Rb8 34. Ree2 Nd5 0-1

[Event "CFriend SI-2003-0-00007 email"]
[Site "Chessfriend.com"]
[Date "2003.04.30"]
[Round "?"]
[White "Erkens, Tjeerd"]
[Black "Kurpnieks, Vairis"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1624"]
[BlackElo "1768"]
[PlyCount "78"]
[EventDate "2003.04.30"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. g3 f5 9. Bg2 Nf6 10. 0-0 0-0 11. Nc2 Be6 12. Ne3 Rc8 13. Ned5 e4 14. Bf4 Ne5 15. b3 b5 16. Nxe7+ Qxe7 17. Nd5 Bxd5 18. cxd5 Rc5 19. b4 Rxd5 20. Qb3 Nc4 21. a4 Qf7 22. axb5 axb5 23. Ra6 Nd2 24. Bxd2 Rxd2 25. Qxf7+ Kxf7 26. Rb6 Rxe2 27. Rxb5 Ke6 28. Rc1 Rb2 29. Bf1 d5 30. Rb7 g5 31. b5 f4 32. Rc6+ Ke5 33. Re7+ Kd4 34. Rc1 e3 35. fxe3+ fxe3 36. Re1 Ng4 37. Be2 Nxh2 38. Kxh2 Rf2+ 39. Kg1 Rfxe2 0-1

