[Event "OP-2010-0-01093"]
[Site "LSS email"]
[Date "2010.03.07"]
[Round "?"]
[White "Koekenbier, Joost"]
[Black "Windheim, Charles"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "800"]
[BlackElo "1763"]
[PlyCount "36"]
[EventDate "2010.02.18"]
[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. e3 c5 4. c3 d5 5. Qd3 b6 6. Na3 Ba6 7. c4 cxd4 8. Qxd4 Nc6 9. Qc3 Bb4 10. Qxb4 Nxb4 11. Nd4 Ne4 12. f3 Qh4+ 13. g3 Nxg3 14. hxg3 Qxh1 15. f4 dxc4 16. Bd2 c3 17. Kf2 Bxf1 18. Bxc3 Nd3# 0-1

[Event "OP-2010-0-01093"]
[Site "LSS email"]
[Date "2010.02.25"]
[Round "?"]
[White "Koekenbier, Joost"]
[Black "Shelykalin, Vjacheslav"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "800"]
[BlackElo "1752"]
[PlyCount "34"]
[EventDate "2010.02.18"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Qf3 d5 4. Bd3 Nc6 5. b3 e5 6. c4 e4 7. Qe2 exd3 8. Qxd3 Bf5 9. e4 Bxe4 10. Qc3 Bb4 11. Qxb4 Nxb4 12. Kd1 Bxg2 13. Bd2 dxc4 14. Bxb4 Qxd4+ 15. Ke2 Qd3+ 16. Ke1 0-0-0 17. Nc3 Qf1# 0-1

[Event "OP-2010-0-01093"]
[Site "LSS email"]
[Date "2010.02.25"]
[Round "?"]
[White "Souply, Yves"]
[Black "Koekenbier, Joost"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1630"]
[BlackElo "800"]
[PlyCount "11"]
[EventDate "2010.02.18"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Qf6 4. cxd5 c5 5. Nf3 Nh6 6. Bg5 0-1

[Event "OP-2010-0-01093"]
[Site "LSS email"]
[Date "2010.02.25"]
[Round "?"]
[White "Vontina, Maria"]
[Black "Koekenbier, Joost"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "605"]
[BlackElo "800"]
[PlyCount "73"]
[EventDate "2010.02.18"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Telechess CBM 141"]
[Source "ChessBase"]
[SourceDate "2011.03.17"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nc6 4. e3 e6 5. Bxc4 Qf6 6. Nf3 Nh6 7. 0-0 Qf5 8. Bd3 Qh5 9. a3 Ng4 10. Be2 Bd6 11. h3 Nh2 12. Nxh2 Qg5 13. Ne4 Qf5 14. Nxd6+ Ke7 15. Nxf5+ exf5 16. b4 a6 17. Nf3 Be6 18. Bd2 b5 19. Rc1 Kd6 20. Qc2 Bd7 21. Qc5+ Ke6 22. Ng5+ Kf6 23. f4 h6 24. Nf3 g5 25. fxg5+ hxg5 26. Ne5 Rhd8 27. Nxc6 Rac8 28. Nxd8 Rxd8 29. Qe5+ Kg6 30. Rxc7 Be6 31. e4 Rf8 32. exf5+ Bxf5 33. Qxf5+ Kg7 34. Qxg5+ Kh8 35. d5 Rg8 36. Bc3+ f6 37. Qh6# 1-0

[Event "OP-2010-0-01092"]
[Site "LSS email"]
[Date "2010.02.23"]
[Round "?"]
[White "Brough, Carl"]
[Black "Koekenbier, Joost"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "600"]
[BlackElo "800"]
[PlyCount "55"]
[EventDate "2010.02.17"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. c5 b6 5. e3 bxc5 6. Nf3 Bd6 7. Nb5 cxd4 8. Nfxd4 Qd7 9. Be2 e5 10. Nf3 Qg4 11. g3 c6 12. Nxd6+ Kd8 13. Nxf7+ Ke8 14. Nxh8 Qh3 15. Bf1 Qh5 16. Be2 e4 17. Nd4 Qh3 18. Qc2 Bd7 19. Bd2 Qg2 20. 0-0-0 Qxf2 21. Bb4 Qxe3+ 22. Kb1 a5 23. Bc5 a4 24. Rde1 Ra5 25. Bh5+ g6 26. Rxe3 gxh5 27. Qf2 Ng4 28. Qf8# 1-0

[Event "OP-2010-0-01092"]
[Site "LSS email"]
[Date "2010.02.23"]
[Round "?"]
[White "Koekenbier, Joost"]
[Black "Barna, David"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "800"]
[BlackElo "581"]
[PlyCount "19"]
[EventDate "2010.02.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2015"]
[Source "ChessBase"]
[SourceDate "2015.07.17"]
[SourceVersion "1"]
[SourceVersionDate "2015.07.17"]
[SourceQuality "1"]

1. e4 e5 2. d3 Nf6 3. Nf3 Nc6 4. c4 Bb4+ 5. Bd2 0-0 6. Nc3 d6 7. a3 Bxc3 8. Bxc3 Bg4 9. h3 Bxf3 10. gxf3 1-0

[Event "OP-2010-0-01092"]
[Site "LSS email"]
[Date "2010.02.23"]
[Round "?"]
[White "Koekenbier, Joost"]
[Black "Trebichalsky, Rastislav"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "800"]
[BlackElo "517"]
[PlyCount "82"]
[EventDate "2010.02.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Telechess CBM 147"]
[Source "ChessBase"]
[SourceDate "2012.03.16"]
[SourceVersion "1"]
[SourceVersionDate "2012.03.16"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. f4 a6 4. Nf3 Bg4 5. Be2 Nc6 6. h3 Bf5 7. g4 Be4 8. 0-0 h5 9. g5 Nd7 10. Nfd2 f6 11. Nc3 fxg5 12. Bxh5+ g6 13. Bg4 gxf4 14. Rxf4 Bh6 15. Qf1 Bxf4 16. exf4 Nxd4 17. Rb1 Bxc2 18. Qf2 Ne2+ 19. Qxe2 Bxb1 20. Ncxb1 Nf6 21. Be6 Qd6 22. Nf3 Nh5 23. f5 Qg3+ 24. Qg2 Qxg2+ 25. Kxg2 gxf5 26. Ng5 c6 27. Bf7+ Kd7 28. Bd2 Ng7 29. Be3 Ne8 30. Nc3 Nf6 31. Na4 Kd6 32. Bc5+ Kd7 33. Nb6+ Kc7 34. Ne6+ Kb8 35. Bxe7 Ne4 36. Bg6 Rh6 37. Bxf5 Ka7 38. Nxa8 Kxa8 39. a4 b6 40. Bd8 Kb7 41. b4 Nd6 0-1

[Event "OP-2010-0-01092"]
[Site "LSS email"]
[Date "2010.02.23"]
[Round "?"]
[White "Wakil, Masih"]
[Black "Koekenbier, Joost"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "902"]
[BlackElo "800"]
[PlyCount "83"]
[EventDate "2010.02.17"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Telechess CBM 141"]
[Source "ChessBase"]
[SourceDate "2011.03.17"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 Qf6 3. Nf3 d6 4. Bc4 Qxf4 5. d3 Qf6 6. Bg5 Qg6 7. h4 h6 8. Be3 Qg3+ 9. Kf1 Bd7 10. Qe2 Be7 11. Bf2 Qf4 12. Nc3 Na6 13. Nd5 Qg4 14. Bxa6 bxa6 15. Nxc7+ Kd8 16. Nxa8 Nf6 17. Qe3 Bc8 18. Qxa7 Qd7 19. Qxd7+ Kxd7 20. Nb6+ Kc7 21. Nxc8 Rxc8 22. Ke2 Ng4 23. c4 Kd8 24. b4 f6 25. a4 Ra8 26. b5 g5 27. hxg5 fxg5 28. b6 Nf6 29. Rxh6 Nd7 30. Rh8+ Bf8 31. a5 g4 32. Ng5 Ke8 33. d4 exd4 34. Bxd4 Rc8 35. Kd3 Rc6 36. Rah1 Ke7 37. R1h7+ Ke8 38. Ne6 d5 39. exd5 Rd6 40. Ke4 Nf6+ 41. Bxf6 Rd7 42. Rxf8# 1-0

