[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.27"]
[Round "6"]
[White "Luijmes, Henk"]
[Black "Kosse, Lukas"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "909"]
[BlackElo "1492"]
[PlyCount "32"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. a3 Nf6 4. Nc3 Nc6 5. e3 dxc4 6. Bxc4 Be7 7. Nf3 0-0 8. 0-0 Nd5 9. Re1 Re8 10. b4 Nxc3 11. Qc2 Nd5 12. e4 Nb6 13. Bb2 Bd7 14. Rad1 a6 15. Bd3 Na7 16. e5 Ba4 0-1

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.23"]
[Round "3"]
[White "Kosse, Lukas"]
[Black "Koedijk, Klaas Jan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1492"]
[BlackElo "1706"]
[PlyCount "60"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. d3 Nf6 6. Be3 d6 7. d4 cxd4 8. Nxd4 0-0 9. h3 Bd7 10. 0-0 a6 11. a3 Rc8 12. Bb3 Na5 13. Nf3 Nxb3 14. cxb3 Bc6 15. Qd3 Qc7 16. Rac1 Qb8 17. Rfd1 b5 18. b4 Rfd8 19. Bf4 Qb7 20. Re1 d5 21. exd5 Nxd5 22. Nxd5 Bxd5 23. Rxc8 Rxc8 24. Be5 Bxe5 25. Rxe5 e6 26. Re3 Rc4 27. Ne5 Rc1+ 28. Kh2 Qc7 29. Re2 f6 30. Qe3 Qxe5+ 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.05"]
[Round "1"]
[White "Konnen, Timo"]
[Black "Kosse, Lukas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1907"]
[BlackElo "1532"]
[PlyCount "33"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 e6 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 Nc6 7. Bg5 Qf5 8. Bd3 Qd5 9. Qd2 Be7 10. Bxe7 Kxe7 11. 0-0 Nxd4 12. Nxd4 Qxd4 13. Qg5+ Qf6 14. Qc5+ Kd8 15. Bb5 c6 16. Bxc6 bxc6 17. Qxc6 1-0

[Event "Groningen Atlantis op-B"]
[Site "Groningen"]
[Date "2013.08.23"]
[Round "2"]
[White "Kosse, Lukas"]
[Black "Bettman, Jan"]
[Result "1-0"]
[ECO "B02"]
[BlackElo "1858"]
[PlyCount "83"]
[EventDate "2013.08.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 e5 6. d3 Bc5 7. Be2 Nc6 8. Bd2 Be6 9. 0-0 f6 10. Re1 0-0-0 11. a3 g5 12. b4 Bb6 13. c4 Bxf2+ 14. Kxf2 Qd7 15. b5 Ne7 16. Be3 b6 17. Qa4 a5 18. c5 Nd5 19. cxb6 Nxe3 20. Rac1 Ng4+ 21. Kg1 Qd5 22. Rxc7+ Kb8 23. Qxa5 Qa8 24. Qa6 Ne3 25. Rec1 g4 26. Qa7+ Qxa7 27. bxa7+ Ka8 28. b6 Nd5 29. Rg7 Nxb6 30. Nd2 f5 31. Rc6 Nd5 32. Rxe6 e4 33. Re5 Nf4 34. Bf1 h5 35. Nc4 Rh6 36. Rxf5 Nxd3 37. g3 Ne1 38. Rxh5 Nf3+ 39. Kf2 Rc6 40. Rc5 Rh6 41. Rb5 Rxh2+ 42. Ke3 1-0

[Event "Staunton CC Blumenfeld theme-E"]
[Site "Groningen"]
[Date "2003.09.06"]
[Round "2"]
[White "Kosse, Lukas"]
[Black "Wortel, Henk"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "107"]
[EventDate "2003.09.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 b4 6. exf7+ Kxf7 7. Bg5 Be7 8. Bxf6 Bxf6 9. Qd5+ Kg6 10. Ne5+ Bxe5 11. Qxe5 Qf6 12. Qxf6+ Kxf6 13. e3 Nc6 14. Bd3 Ne5 15. Be4 Rb8 16. Nd2 Bb7 17. Bxb7 Rxb7 18. Ne4+ Ke7 19. Nxc5 Rc7 20. Nb3 Rxc4 21. 0-0 Nd3 22. Nd4 Nxb2 23. Rab1 Nd3 24. Rfd1 Rhc8 25. Kf1 Rc1 26. Ke2 Rxd1 27. Rxd1 Ne5 28. f4 Nc4 29. Nf5+ Kf6 30. Nd6 Nxd6 31. Rxd6+ Ke7 32. Rd2 a5 33. Kd3 a4 34. Kd4 a3 35. g4 b3 36. axb3 Ra8 37. Ra2 Kd6 38. Kc4 Kc6 39. Kb4 Kd5 40. Kc3 Ke4 41. Kd2 g6 42. Ke2 d5 43. f5 gxf5 44. gxf5 Kxf5 45. Kd3 Ke5 46. b4 Kd6 47. Kc3 Kc6 48. Kb3 Kb5 49. Rxa3 Rxa3+ 50. Kxa3 h6 51. h4 h5 52. Kb3 Kb6 53. Kc3 Kb5 54. Kd4 1-0

[Event "Staunton CC Blumenfeld theme-E"]
[Site "Groningen"]
[Date "2003.09.06"]
[Round "3"]
[White "Westermann, Tony"]
[Black "Kosse, Lukas"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "71"]
[EventDate "2003.09.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. g4 bxc4 6. Nc3 Bb7 7. e4 exd5 8. exd5 d6 9. g5 Qe7+ 10. Be2 Ne4 11. 0-0 Nxc3 12. bxc3 Qe4 13. Re1 Be7 14. Bf1 Qxd5 15. Qe2 Nc6 16. Bg2 Ne5 17. Nh4 Qd3 18. Bxb7 Rb8 19. Bc6+ Nxc6 20. Bf4 Qxe2 21. Rxe2 0-0 22. Nf5 Rfe8 23. Rae1 Kf8 24. Nxd6 Red8 25. Nxc4 Rb7 26. Ne5 Nxe5 27. Rxe5 Rdd7 28. R5e4 Rb2 29. a4 Rb3 30. Rxe7 Rxe7 31. Bd6 g6 32. Bxe7+ Kg8 33. Bf6 Rb8 34. Kg2 h5 35. Re7 a6 36. Rc7 1-0

[Event "Staunton CC Blumenfeld theme-E"]
[Site "Groningen"]
[Date "2003.09.05"]
[Round "1"]
[White "Kosse, Lukas"]
[Black "Simmers"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "71"]
[EventDate "2003.09.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 Qa5+ 7. Nc3 Ne4 8. Qa4 Qxa4 9. Nxa4 Bd6 10. Nc3 Bb7 11. Ng5 Nxc3 12. bxc3 h6 13. Nf3 0-0 14. g3 Bxf3 15. exf3 Rxf3 16. Bg2 Be5 17. Bxf3 Bxc3+ 18. Ke2 d5 19. Rb1 Nd7 20. Bb2 d4 21. Bxa8 Ne5 22. Bxc3 dxc3 23. Rbc1 c4 24. Be4 Kf7 25. Rxc3 Kf6 26. h3 g5 27. a4 Nd3 28. Bxd3 cxd3+ 29. Rxd3 Kf5 30. Rc1 e5 31. f3 h5 32. Rc7 h4 33. g4+ Kf4 34. Kf2 e4 35. Rd4 Ke5 36. Rxe4+ 1-0

[Event "Groningen SO ON op B"]
[Site "Groningen"]
[Date "2001.??.??"]
[Round "8.9"]
[White "Mol, Peter"]
[Black "Kosse, Lukas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1324"]
[BlackElo "1391"]
[PlyCount "21"]
[EventDate "2001.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 e6 3. c5 Nf6 4. Bf4 Nc6 5. Nh3 Be7 6. Nc3 Bd7 7. a3 b6 8. b4 0-0 9. e3 Re8 10. Ba6 Nb8 11. Bb7 1-0

[Event "Groningen SO ON op-B"]
[Site "Groningen"]
[Date "2000.??.??"]
[Round "2"]
[White "Kosse, Lukas"]
[Black "Rietman, Frits"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "74"]
[EventDate "2000.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. Bc4 Nf6 5. d3 a6 6. Bg5 Be7 7. Bb3 b5 8. Qd2 0-0 9. 0-0 Bb7 10. a3 Nbd7 11. Qf4 h6 12. Bxf6 Nxf6 13. Rfe1 Qc7 14. e5 Nd7 15. Qe3 Bxf3 16. exd6 Bxd6 17. Qxf3 Bxh2+ 18. Kf1 Be5 19. Qe4 Rad8 20. Rab1 Bxc3 21. bxc3 Nf6 22. Qe5 Qc6 23. f3 a5 24. c4 b4 25. axb4 axb4 26. Kf2 Nd7 27. Qe4 Qxe4 28. dxe4 Ra8 29. Red1 Ne5 30. Rbc1 Nc6 31. Rd6 Nd4 32. Rd1 Ra3 33. Rb1 Rfa8 34. Rd7 R3a7 35. Rxa7 Rxa7 36. Ke3 Ra3 37. g4 Nxc2+ 0-1

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Kruisinga, Y."]
[Black "Kosse, Lukas"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bb4 3. Nf3 Nc6 4. Bc4 Nf6 5. a3 Ba5 6. d3 d6 7. Bd2 Bg4 8. h3 Bxf3 9. Qxf3 Nd4 10. Qd1 a6 11. Ne2 Bb6 12. Bg5 h6 13. Bh4 Qe7 14. c3 Nxe2 15. Qxe2 0-0-0 16. g4 g5 17. Bg3 Rhe8 18. 0-0-0 d5 19. exd5 Nxd5 20. Qe4 c6 21. h4 f6 22. hxg5 Nxc3 23. bxc3 Qxa3+ 24. Kc2 hxg5 25. Qf5+ Kb8 26. Qxf6 Qe7 27. Qxe7 Rxe7 28. Rde1 Bc7 29. Rh5 Rg8 1-0

