[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.16"]
[Round "4"]
[White "Baak, Evert"]
[Black "Geboers, Jimmy"]
[Result "1/2-1/2"]
[ECO "B37"]
[WhiteElo "1814"]
[BlackElo "1863"]
[PlyCount "49"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nc2 Nf6 7. e4 d6 8. Be2 0-0 9. 0-0 Nd7 10. Be3 b6 11. Nd4 Bb7 12. Rc1 Nc5 13. f3 Qd7 14. Qd2 Nxd4 15. Bxd4 Bxd4+ 16. Qxd4 Ne6 17. Qd2 Rfd8 18. Rfd1 Qe8 19. Nd5 Rac8 20. f4 Nc5 21. Qe3 Nd7 22. b3 Nf6 23. Nc3 Qc6 24. Nd5 Nxd5 25. cxd5 1/2-1/2

[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.15"]
[Round "3"]
[White "Van Randen, Fred"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "1863"]
[BlackElo "1814"]
[PlyCount "31"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 c4 12. Be2 Qc7 13. h4 Nc6 14. Qf4 f5 15. g4 Qf7 16. gxf5 1/2-1/2

[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.14"]
[Round "2"]
[White "Baak, Evert"]
[Black "Liebert, Erwin"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "1814"]
[BlackElo "1918"]
[PlyCount "37"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 11. b3 Rc8 12. Nbd2 c5 13. e4 cxd4 14. e5 dxc4 15. Nxd4 cxb3 16. Qb2 Nc5 17. Nc6 Rxc6 18. Bxc6 Nd3 19. Qxb3 1/2-1/2

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.16"]
[Round "3"]
[White "Van der Laan, Hugo"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1699"]
[BlackElo "1888"]
[PlyCount "85"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ndf3 Nc6 7. c3 cxd4 8. cxd4 a5 9. Ne2 a4 10. a3 Nb6 11. Nc3 Bd7 12. Bd3 Na5 13. Bc2 Nac4 14. 0-0 Qc7 15. g4 h5 16. g5 g6 17. Nh4 Nxa3 18. Nxg6 fxg6 19. Bxg6+ Kd8 20. Qd3 Nac4 21. f5 exf5 22. Bxf5 Be8 23. Qf3 Qg7 24. h4 Bc6 25. Ne2 Bb4 26. Nf4 Nxe5 27. Ne6+ Ke7 28. Qg3 Qg8 29. Qxe5 Nd7 30. Qe3 Ra5 31. Nf4+ Kd8 32. Ng6 Rh7 33. Qh3 Rf7 34. Bf4 Rg7 35. Ne5 Qe8 36. g6 Nf6 37. Bg5 Be7 38. Qh2 Ra8 39. Nf7+ Rxf7 40. gxf7 Qxf7 41. Rae1 a3 42. bxa3 Rxa3 43. Qb8# 1-0

[Event "Leiden LCT op-B 11th"]
[Site "Leiden"]
[Date "2017.07.14"]
[Round "1"]
[White "Baak, Evert"]
[Black "Graf, Michael"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1888"]
[BlackElo "1704"]
[PlyCount "81"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 b5 3. g3 Bb7 4. Bg2 e6 5. 0-0 d6 6. Nbd2 Nbd7 7. c4 b4 8. Re1 Be7 9. e4 0-0 10. Qc2 c5 11. e5 dxe5 12. dxe5 Ne8 13. Ng5 Bxg5 14. Bxb7 Rb8 15. Bg2 Qc7 16. f4 Be7 17. Ne4 Rb6 18. b3 g6 19. Bb2 Ng7 20. g4 h5 21. h3 Rd8 22. Rad1 Nf8 23. Rxd8 Qxd8 24. Rd1 Qc7 25. Rd2 Ra6 26. Ba1 Kh8 27. Bf3 h4 28. Qd1 Ne8 29. Qe1 Nh7 30. Nd6 Qb8 31. Nxf7+ Kg7 32. Nd6 Kf8 33. Ne4 g5 34. f5 exf5 35. gxf5 Qc8 36. Bg4 Qc6 37. Qe3 Nhf6 38. exf6 Nxf6 39. Bf3 Qc7 40. Qxg5 Nxe4 41. Qg7+ 1-0

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.22"]
[Round "7"]
[White "Schroer, Marcel"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2033"]
[BlackElo "1924"]
[PlyCount "55"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 e5 7. d3 c6 8. 0-0 Nh5 9. Be3 f5 10. Qd2 Be6 11. Rad1 Qe7 12. b3 Nd7 13. d4 Nhf6 14. Bg5 Qe8 15. dxe5 dxe5 16. Bh6 Nh5 17. Bxg7 Kxg7 18. f4 exf4 19. Nxf4 Nxf4 20. Qxf4 Qb8 21. Rd6 fxe4 22. Qd2 Rxf1+ 23. Kxf1 Qe8 24. Nxe4 Qe7 25. Qd4+ Kf7 26. h4 h6 27. c5 Rf8 28. Rxe6 1-0

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.17"]
[Round "3"]
[White "Baak, Evert"]
[Black "Van Halderen, Herman"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "1924"]
[BlackElo "2079"]
[PlyCount "82"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. g3 Bb4 7. Bg2 0-0 8. 0-0 Qb6 9. Nc2 Bxc3 10. bxc3 Qa5 11. Qd2 d5 12. Ne3 Rd8 13. cxd5 exd5 14. Qc2 Be6 15. Bd2 Qa6 16. Rab1 Rac8 17. Rfe1 b6 18. Qb2 Ne5 19. Rbc1 Rc5 20. h3 Qc8 21. Kh2 h5 22. Red1 Qc7 23. Kg1 Qc8 24. Kh2 Qa6 25. Be1 Rdc8 26. f4 Nc4 27. Nxc4 Rxc4 28. Bf2 Ra4 29. Rc2 h4 30. g4 Rxf4 31. Bd4 b5 32. e3 Nxg4+ 33. hxg4 Rxg4 34. Bh3 Qd6+ 35. Kh1 Qg3 36. Bxg4 Bxg4 37. Rg2 Qf3 38. Qd2 h3 39. Rdg1 Rc6 40. Kh2 hxg2 41. Qxg2 Rh6+ 0-1

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.15"]
[Round "1"]
[White "Baak, Evert"]
[Black "Sahil, Tickoo"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "1924"]
[BlackElo "2016"]
[PlyCount "51"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. Bf4 c6 9. Qc2 Nh5 10. Bc1 f5 11. Nbd2 Bd6 12. Ne1 Ndf6 13. Nd3 Ne4 14. Nf3 Nhf6 15. Nfe5 Be7 16. c5 Nd7 17. f3 Nef6 18. Bf4 Nxe5 19. Bxe5 Nd7 20. Qc3 Nxe5 21. Nxe5 Bf6 22. Qe3 Bxe5 23. Qxe5 Qf6 24. Qxf6 Rxf6 25. f4 Bd7 26. b4 1/2-1/2

[Event "Leiden LCT op-B 09th"]
[Site "Leiden"]
[Date "2015.07.24"]
[Round "7"]
[White "Mensing, Andrew"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1831"]
[BlackElo "1932"]
[PlyCount "75"]
[EventDate "2015.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 0-0 7. Qg4 Kh8 8. Bd3 f5 9. Qg3 c5 10. Nf3 Nc6 11. 0-0-0 cxd4 12. Nb5 Nc5 13. Nfxd4 a6 14. Nxc6 bxc6 15. Nd4 Bd7 16. Ne2 Be8 17. Qe3 Qc7 18. Nd4 Qd7 19. Rh3 Nxd3+ 20. Qxd3 c5 21. Ne2 Bf7 22. Qd2 Rfb8 23. Rdh1 Bf8 24. Bf4 Ra7 25. h5 Rab7 26. b3 a5 27. Kd1 a4 28. h6 g6 29. Nc1 Qb5 30. Re3 Be8 31. Bg5 d4 32. Rg3 axb3 33. axb3 c4 34. Rh4 Bb4 35. Qe2 Bc5 36. Qxc4 Qa5 37. Qxe6 Qb5 38. Bf6+ 1-0

[Event "Leiden LCT op-B 09th"]
[Site "Leiden"]
[Date "2015.07.23"]
[Round "6"]
[White "Baak, Evert"]
[Black "Volders, Wessel"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1932"]
[BlackElo "1847"]
[PlyCount "52"]
[EventDate "2015.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. 0-0 0-0 8. Nc3 Bxc3 9. Bxc3 Ne4 10. Be1 Qf6 11. Nd2 Nd6 12. Bxb7 Nxb7 13. Ne4 Qf5 14. Nc3 Nd6 15. b3 Nc6 16. f3 Qf6 17. d5 Qd4+ 18. Kg2 Qxd1 19. Rxd1 Ne7 20. Bf2 Rfe8 21. dxe6 dxe6 22. Bxb6 Nxc4 23. Bc5 Nb6 24. Nb5 Nbd5 25. e4 c6 26. Nd6 Ne3+ 1-0

[Event "Leiden LCT op-B 09th"]
[Site "Leiden"]
[Date "2015.07.21"]
[Round "4"]
[White "Baak, Evert"]
[Black "Denie, Marcel"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1932"]
[PlyCount "37"]
[EventDate "2015.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. c4 g6 4. Nc3 cxd4 5. Nxd4 b6 6. e4 d6 7. f3 Bb7 8. Be3 Bg7 9. Be2 Nbd7 10. 0-0 0-0 11. Rc1 a6 12. Qd2 Rc8 13. b3 Nc5 14. Rfd1 Qc7 15. Bf1 Ne8 16. Nd5 Bxd5 17. cxd5 Bxd4 18. Qxd4 Qb7 19. b4 1-0

[Event "Leiden LCT op-B 09th"]
[Site "Leiden"]
[Date "2015.07.21"]
[Round "5"]
[White "Scherpenisse, Kees"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "E85"]
[WhiteElo "1942"]
[BlackElo "1932"]
[PlyCount "63"]
[EventDate "2015.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 e5 7. Nge2 Nc6 8. d5 Ne7 9. Qd2 Nd7 10. Nc1 f5 11. Nd3 Nf6 12. Be2 Kh8 13. h3 f4 14. Bf2 Nh5 15. 0-0-0 Ng8 16. Kb1 Ng3 17. Rhg1 Bf6 18. c5 Bh4 19. Rc1 Nxe2 20. Qxe2 Bxf2 21. Qxf2 Nf6 22. Ka1 Bd7 23. Rc2 Qe7 24. Rgc1 Rfc8 25. b3 Qd8 26. Nb2 Kg7 27. Nca4 Bxa4 28. Nxa4 b6 29. cxd6 cxd6 30. Rc6 Ng8 31. Qc2 Ne7 32. Rc7 1/2-1/2

[Event "Leiden LCT op-B 09th"]
[Site "Leiden"]
[Date "2015.07.19"]
[Round "3"]
[White "Baak, Evert"]
[Black "Van de Griend, Johan"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1932"]
[BlackElo "1871"]
[PlyCount "60"]
[EventDate "2015.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Qc2 e6 5. g3 Nbd7 6. Bg2 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 Re8 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 Nf6 13. Qc2 h6 14. Rad1 Qa5 15. Rfe1 Bd7 16. Ne5 Red8 17. a3 Be8 18. Re3 Nd7 19. b4 Qc7 20. Nd3 a5 21. Qb2 Nb6 22. Ne5 f6 23. bxa5 Na4 24. Qc2 fxe5 25. Qxa4 exd4 26. Rxe6 Bf7 27. Ree1 Rxa5 28. Qc2 Rc5 29. Bf1 Qd6 30. Re4 Bg6 1/2-1/2

[Event "Leiden op-A 8th"]
[Site "Leiden"]
[Date "2014.07.19"]
[Round "8"]
[White "Smaal, Lourens"]
[Black "Baak, Evert"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1917"]
[PlyCount "58"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. h4 c5 7. d5 e6 8. h5 exd5 9. hxg6 d4 10. gxh7+ Kh8 11. Nd5 Nxe4 12. Bh6 Bxh6 13. Rxh6 Qg5 14. Rh2 Nc6 15. Nf3 Qg7 16. Qd3 f5 17. g3 Ne5 18. Nxe5 dxe5 19. 0-0-0 Be6 20. g4 Bxd5 21. cxd5 c4 22. Qa3 f4 23. f3 Nf6 24. Qd6 d3 25. Bf1 Qg5 26. Re1 Rfe8 27. Bg2 Rad8 28. Qc7 Nxd5 29. Qxb7 Re7 0-1

[Event "Leiden op-A 8th"]
[Site "Leiden"]
[Date "2014.07.18"]
[Round "7"]
[White "Baak, Evert"]
[Black "De Ruiter, Ton"]
[Result "1/2-1/2"]
[ECO "D74"]
[BlackElo "2108"]
[PlyCount "55"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. Nc3 Bg4 9. Nxd5 Qxd5 10. Ne5 Qe6 11. Nxg4 Qxg4 12. e3 Qd7 13. Qa4 Rfd8 14. Bd2 Nxd4 15. Qxd7 Ne2+ 16. Kh1 Rxd7 17. Bb4 Bxb2 18. Rab1 Bg7 19. Bf3 a5 20. Be1 Nc3 21. Bxc3 Bxc3 22. Rxb7 Ra6 23. Rc1 Be5 24. Kg2 a4 25. Rc5 Bd6 26. Rc4 a3 27. Rb8+ Kg7 28. Bc6 1/2-1/2

[Event "Leiden op-A 8th"]
[Site "Leiden"]
[Date "2014.07.12"]
[Round "2"]
[White "Munninghoff, Alexander"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "54"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 e5 6. Nge2 Nc6 7. 0-0 d6 8. h3 Nd7 9. d3 Nc5 10. a3 a5 11. Be3 Nd4 12. Bxd4 exd4 13. Na4 Nxa4 14. Qxa4 Bd7 15. Qc2 Qc8 16. Kh2 a4 17. Nf4 c6 18. c5 Qc7 19. Ne2 dxc5 20. Qxc5 Ra5 21. Qc2 Be6 22. Rac1 f5 23. exf5 Bb3 24. Qd2 Raxf5 25. f4 Re8 26. Be4 Rf7 27. Kg2 Qd7 1/2-1/2

[Event "Leiden LCT op-B 7th"]
[Site "Leiden"]
[Date "2013.07.16"]
[Round "5"]
[White "Van Orsouw, Theo"]
[Black "Baak, Evert"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1828"]
[BlackElo "1837"]
[PlyCount "50"]
[EventDate "2013.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 0-0 7. Bd3 c5 8. Nf3 g6 9. Bh6 Re8 10. h5 Nc6 11. hxg6 fxg6 12. Bxg6 hxg6 13. Qd3 Kf7 14. 0-0-0 cxd4 15. Nxd5 Ndxe5 16. Nxe5+ Nxe5 17. Qxd4 exd5 18. Qxe5 Bf6 19. Qf4 Re4 20. Qg3 Bf5 21. Bd2 Rc8 22. c3 Qa5 23. a3 Rec4 24. Rh7+ Kg8 25. Rxb7 Qa4 0-1

[Event "Leiden LCT op-B 7th"]
[Site "Leiden"]
[Date "2013.07.15"]
[Round "4"]
[White "Baak, Evert"]
[Black "De Ruiter, Tom"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1838"]
[BlackElo "1747"]
[PlyCount "81"]
[EventDate "2013.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. Nc3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c5 8. h3 a6 9. a4 Rb8 10. Bg5 h6 11. Be3 b6 12. Qd2 Kh7 13. Rad1 Bb7 14. Qc2 cxd4 15. Nxd4 Bxg2 16. Kxg2 Qc7 17. b3 Nc5 18. Nd5 Nxd5 19. cxd5 Qb7 20. Nc6 Rbe8 21. b4 Nd7 22. Bd4 Bxd4 23. Rxd4 Rc8 24. Ra1 Ne5 25. b5 Nxc6 26. dxc6 Qa8 27. Qb2 Rc7 28. Rd3 Ra7 29. Rda3 Rc8 30. Kg1 Rf8 31. Qc3 Re8 32. Qb3 Rf8 33. h4 h5 34. e4 Kg7 35. a5 axb5 36. Qc3+ f6 37. axb6 Ra4 38. Rxa4 bxa4 39. b7 Qa7 40. Qb4 Qa6 41. c7 1-0

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2012.04.07"]
[Round "3"]
[White "Baak, Evert"]
[Black "Van der Berg, Bas"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1809"]
[BlackElo "1927"]
[PlyCount "96"]
[EventDate "2012.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 c6 5. Bg2 dxc4 6. Ne5 Bb4+ 7. Nc3 Nd5 8. Bd2 b5 9. 0-0 Bxc3 10. bxc3 Bb7 11. e4 Nf6 12. Qb1 Qc7 13. Bf4 Qb6 14. a4 Nbd7 15. Nf3 0-0 16. Bd6 Rfe8 17. e5 Nd5 18. Ng5 g6 19. Bxd5 cxd5 20. axb5 a6 21. Qc1 h6 22. Nf3 Kg7 23. bxa6 Rxa6 24. Rb1 Qc6 25. h4 Rb6 26. Qf4 Rb3 27. Bb4 Rxb1 28. Rxb1 Qa4 29. Kg2 Qa2 30. Rc1 Bc6 31. Nh2 Qe2 32. Ng4 Qe4+ 33. Qxe4 dxe4 34. Ne3 Ra8 35. Kf1 Ra2 36. Ke1 Bd5 37. Nc2 Nb6 38. Bc5 Na4 39. Nb4 Rb2 40. Bd6 Rb3 41. Kd2 Rb2+ 42. Rc2 Rb3 43. Be7 h5 44. Bd6 Rb1 45. Ke2 Nb2 46. Ke3 Nd3 47. Nxd3 exd3 48. Ra2 Re1+ 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2012.04.07"]
[Round "4"]
[White "Torenstra, Rene"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1812"]
[BlackElo "1809"]
[PlyCount "73"]
[EventDate "2012.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Qd2 a6 8. Bh6 b5 9. h4 e5 10. Bxg7 Kxg7 11. h5 Nxh5 12. g4 Nf4 13. 0-0-0 Qf6 14. Nce2 Ra7 15. Nh3 g5 16. Nhxf4 gxf4 17. g5 Qe7 18. Bh3 Bxh3 19. Rxh3 Rh8 20. Rdh1 Nd7 21. Qe1 Nf8 22. Qh4 Ng6 23. Qf2 Rb7 24. cxb5 axb5 25. Nc3 b4 26. Na4 c5 27. dxc5 dxc5 28. Kb1 Rc7 29. Nb6 Ra7 30. Nd5 Qd6 31. Rh6 Qa6 32. b3 Rha8 33. Rxh7+ Kf8 34. Qxc5+ Ke8 35. Nf6+ Qxf6 36. gxf6 Rxa2 37. Qc6+ 1-0

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2012.04.07"]
[Round "2"]
[White "Veldhuis, Geert"]
[Black "Baak, Evert"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1951"]
[BlackElo "1809"]
[PlyCount "112"]
[EventDate "2012.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qh5 c5 8. 0-0-0 Nc6 9. f4 Nxd4 10. Nf3 g6 11. Qh3 Nxf3 12. gxf3 a6 13. Rg1 Nb6 14. Bd3 Bd7 15. Qf1 Na4 16. Qe1 Nxc3 17. Qxc3 Bc6 18. Qd2 0-0-0 19. Qa5 Kb8 20. Kb1 c4 21. Bf1 Qc7 22. Qc5 b6 23. Qd4 Bb7 24. Rg2 Rc8 25. c3 Qc5 26. Rc2 Ka7 27. Rdc1 a5 28. Be2 Ba6 29. Bf1 Rc7 30. h4 h5 31. Ka1 Rb8 32. Be2 b5 33. Qxc5+ Rxc5 34. b4 cxb3 35. axb3 Rbc8 36. Kb2 b4 37. c4 dxc4 38. bxc4 Kb6 39. Kb3 R5c7 40. Rd2 Bb7 41. Rd6+ Bc6 42. Ra1 Ra8 43. Rc1 Kc5 44. Ka2 Raa7 45. Rd2 Rd7 46. Rb2 Rd4 47. f5 exf5 48. Re1 Rad7 49. Rb3 Rxh4 50. Re3 f4 51. Rb3 Rh2 52. Kb1 Rd2 53. e6 fxe6 54. Bf1 a4 55. Re5+ Kd4 56. Rxe6 Rd1# 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2010.04.03"]
[Round "4"]
[White "Baak, Evert"]
[Black "Holwijn, Melvin"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "1899"]
[BlackElo "1971"]
[PlyCount "120"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. Nc3 Be7 6. 0-0 0-0 7. Qc2 c6 8. d4 d5 9. b3 Nbd7 10. Rd1 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 Qc7 15. Bf4 Bd6 16. Bxd6 Qxd6 17. c5 Qc7 18. a3 h6 19. b4 Nd5 20. Ne5 b5 21. Re1 a5 22. Qd2 axb4 23. axb4 Ra8 24. f4 Rfb8 25. Qb2 Bc8 26. Bxd5 exd5 27. Rxa8 Rxa8 28. Ra1 Qb7 29. Ra3 f6 30. Nf3 Bh3 31. Qa1 Rxa3 32. Qxa3 Qe7 33. Qd3 Qa7 34. Qe2 Qa1+ 35. Qe1 Qb2 36. Qd2 Qb1+ 37. Kf2 Qf1+ 38. Ke3 Bg4 39. Ne1 Qh1 40. Kd3 Bf5+ 41. Kc3 Qf1 42. Nd3 Qa1+ 43. Kb3 Qa4+ 44. Kc3 Qa3+ 45. Kc2 Bxd3+ 46. Qxd3 Qxb4 47. Qg6 Qc4+ 48. Kb1 Qb3+ 49. Kc1 Qe3+ 50. Kb1 b4 51. Qf5 Qe8 52. Kb2 Qe2+ 53. Kb1 Qd1+ 54. Ka2 Qa4+ 55. Kb1 Qa8 56. g4 b3 57. Qe6+ Kh8 58. Qe2 Qa4 59. f5 Kh7 60. h4 Qxd4 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2010.04.03"]
[Round "3"]
[White "Daamen, Roland"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1694"]
[BlackElo "1899"]
[PlyCount "47"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Nxd4 9. Bxd4 Nb8 10. Bd3 Nc6 11. Bf2 Bd7 12. 0-0 Rc8 13. a3 a6 14. Kh1 h5 15. Qe2 g6 16. Na4 Na5 17. Nb6 Rc6 18. b4 Rxb6 19. Bxb6 Qxb6 20. bxa5 Qxa5 21. Rfb1 Bc6 22. c4 h4 23. h3 Qc5 24. Qc2 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "6"]
[White "Baak, Evert"]
[Black "Bloemhard, Rudy"]
[Result "0-1"]
[ECO "A12"]
[BlackElo "2087"]
[PlyCount "40"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bg4 5. b3 e6 6. Bb2 Nbd7 7. d3 Be7 8. Nbd2 0-0 9. 0-0 a5 10. a3 b5 11. cxb5 cxb5 12. h3 Bh5 13. Nd4 Qb6 14. N2f3 Rac8 15. Rc1 Bg6 16. Nc2 Nh5 17. Ne3 Nxg3 18. Bd4 Rxc1 19. Bxb6 Rxd1 20. Rxd1 Nxe2+ 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "3"]
[White "Baak, Evert"]
[Black "Galje, Hans"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2106"]
[PlyCount "15"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 b5 2. g3 Bb7 3. Bg2 c5 4. b3 e6 5. c4 Qf6 6. d4 cxd4 7. Bg5 Qg6 8. Nh4 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "4"]
[White "Baak, Evert"]
[Black "Peacock, Malcolm R"]
[Result "1-0"]
[ECO "A12"]
[BlackElo "2040"]
[PlyCount "90"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. b3 e6 6. Bb2 h6 7. 0-0 Nbd7 8. d3 Be7 9. Nbd2 0-0 10. Rc1 Re8 11. Rc2 a5 12. a3 Bf8 13. Qa1 Bh7 14. Bc3 c5 15. cxd5 exd5 16. Re1 d4 17. Bb2 Ra6 18. Qc1 Rae6 19. Bf1 g5 20. h3 g4 21. hxg4 Nxg4 22. b4 b6 23. Nc4 axb4 24. axb4 b5 25. Na3 Nde5 26. Nxe5 Nxe5 27. Rd1 c4 28. dxc4 Bxc2 29. Rxd4 Qg5 30. Qxc2 Ng4 31. Bh3 Nxf2 32. Bxe6 Qxg3+ 33. Kf1 Rxe6 34. Qf5 Be7 35. Qxf2 Rf6 36. Rg4+ Qxg4 37. Bxf6 Bxf6 38. Qxf6 Qh3+ 39. Kf2 Qxa3 40. Qd8+ Kg7 41. Qd4+ Kg8 42. cxb5 Qh3 43. b6 Qf5+ 44. Ke1 Qb1+ 45. Kd2 Qa2+ 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "2"]
[White "Pietrow, Andrzej"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "21"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bb5 Nc6 7. 0-0 Qc7 8. Re1 cxd4 9. Nxd4 Bc5 10. Nf3 0-0 11. Bxc6 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "5"]
[White "Van Heel, Evert"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "41"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nb5 a6 9. N5a3 d6 10. Nc3 Qc7 11. Bf4 Na5 12. Rc1 Qd8 13. Qd2 Nc6 14. Rfd1 Bf5 15. Bh6 Bxh6 16. Qxh6 Qc8 17. Nd5 Rb8 18. Nxf6+ exf6 19. Rxd6 Rd8 20. Qd2 Qc7 21. c5 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.04"]
[Round "6"]
[White "Baak, Evert"]
[Black "Bey, Jan"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "32"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 Nf6 5. g3 dxc4 6. bxc4 Nbd7 7. Bg2 g6 8. Nd4 Qa5 9. Nxf5 Qxf5 10. d3 Bg7 11. Nd2 Ng4 12. f3 Ne3 13. Qc1 Bxb2 14. Qxb2 0-0 15. Kf2 Nxg2 16. Kxg2 b6 1/2-1/2

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.04"]
[Round "7"]
[White "Jongbloed, Ben"]
[Black "Baak, Evert"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "76"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. Be3 exd4 9. Nxd4 Nc5 10. f3 a5 11. Qd2 Nfd7 12. Rab1 Re8 13. Ndb5 Na6 14. a3 Ne5 15. f4 Nc6 16. f5 Bd7 17. fxg6 fxg6 18. Bg5 Qc8 19. h4 Bg4 20. Bxg4 Qxg4 21. Qd5+ Qe6 22. Rbe1 Rab8 23. Bc1 Ne5 24. b3 c6 25. Qxe6+ Rxe6 26. Nd4 Ree8 27. Nde2 Nd3 28. Rd1 Nxc1 29. Rxc1 Nc5 30. Rfd1 Rbd8 31. b4 axb4 32. axb4 Nxe4 33. c5 Nxc3 34. Nxc3 dxc5 35. bxc5 Rxd1+ 36. Nxd1 Bd4+ 37. Kh2 Re1 38. Rb1 Bxc5 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.03"]
[Round "3"]
[White "Baak, Evert"]
[Black "Van Lingen, Guus"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "67"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 d5 4. cxd5 Qxd5 5. Nc3 Qh5 6. e4 e5 7. Be2 Bg4 8. d5 Nd8 9. Be3 a6 10. h3 Bd6 11. Qd2 Bb4 12. Qc2 0-0 13. 0-0-0 Bxf3 14. gxf3 Qh4 15. Rdg1 Ne8 16. Rg2 Qe7 17. f4 f6 18. f5 Kh8 19. h4 c6 20. dxc6 Nxc6 21. Nd5 Qd8 22. Bb6 Qd7 23. Qa4 Rc8 24. Kb1 Qd6 25. Rd1 Rf7 26. Qb3 Qf8 27. Nxb4 Nxb4 28. Bc4 Rfc7 29. Be6 Rc6 30. Ba5 Nc2 31. Bxc8 Rxc8 32. Qxb7 Qc5 33. f3 Nd6 34. Qxg7# 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.03"]
[Round "4"]
[White "Doggers, Peter"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2135"]
[PlyCount "27"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Nc3 Nc6 8. Qe2 d6 9. Be3 Bxe3 10. Qxe3 Nf6 11. 0-0-0 b5 12. f4 0-0 13. e5 Ne8 14. Qe4 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.02"]
[Round "1"]
[White "Baak, Evert"]
[Black "Royers, Diederik"]
[Result "1-0"]
[ECO "A31"]
[PlyCount "71"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 6. Nxd4 Qb6 7. Nc2 d6 8. Be2 Be6 9. 0-0 0-0 10. Ne3 Rc8 11. Kh1 Nbd7 12. Ned5 Qd8 13. Rb1 Nc5 14. f3 a5 15. Bg5 Nxd5 16. Nxd5 f6 17. Be3 Bf7 18. Qd2 Ra6 19. Nc3 Rca8 20. f4 f5 21. e5 Qe8 22. exd6 Bxc3 23. Qxc3 Ne4 24. Qe5 exd6 25. Qd4 Qc6 26. Rbc1 Re8 27. Bf3 Raa8 28. Rfd1 Qa6 29. b3 Qc6 30. Rb1 d5 31. cxd5 Qxd5 32. Qxd5 Bxd5 33. Rbc1 Bc6 34. Bb6 a4 35. Kg1 axb3 36. axb3 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2000.06.02"]
[Round "2"]
[White "Jonkman, Harmen"]
[Black "Baak, Evert"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2446"]
[PlyCount "33"]
[EventDate "2000.06.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 e6 5. Na3 Nf6 6. d4 Be7 7. Nb5 Qd8 8. Bf4 Na6 9. dxc5 Nd5 10. Nd6+ Kf8 11. Bxa6 Nxf4 12. Bf1 Nd5 13. Qd2 a5 14. Bc4 Bxd6 15. cxd6 Qxd6 16. 0-0-0 Qf4 17. Qxf4 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Baak, Evert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "16"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 e5 4. Nxe5 Bxa3 5. Qa4+ b5 6. Qxa3 Nf6 7. b3 Qd6 8. Bb2 c3 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Hood, Simon W"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "44"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 d5 8. exd5 cxd5 9. c4 Nf6 10. Nc3 dxc4 11. Bxc4 Qxd1 12. Rxd1 Bc5 13. Bf4 Ke7 14. Na4 Ba7 15. Bd6+ Ke8 16. Nc5 Bb6 17. Rac1 Nd7 18. Nxa6 Bxa6 19. Bxa6 Rxa6 20. Rc8+ Bd8 21. a3 f6 22. Bc5 Ra4 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Baak, Evert"]
[Black "Dijksterhuis, Rolf"]
[Result "1-0"]
[ECO "A11"]
[BlackElo "2145"]
[PlyCount "57"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 dxc4 5. Ne5 Be6 6. Qc2 Qd4 7. Nf3 Qd8 8. Na3 b5 9. Ng5 Bd7 10. Nxb5 Qa5 11. Qxc4 e6 12. b4 Bxb4 13. Nc7+ Qxc7 14. Qxb4 Qe5 15. d4 Qc7 16. Bf4 Qb6 17. Rb1 Qxb4+ 18. Rxb4 0-0 19. Bd6 Rc8 20. 0-0 h6 21. Ne4 Nxe4 22. Bxe4 a5 23. Rb7 Be8 24. Rfb1 Na6 25. a3 Rd8 26. Bc5 Nxc5 27. dxc5 Rd4 28. Bf3 Rc4 29. Rb8 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Mellegers, Joost P"]
[Black "Baak, Evert"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2252"]
[PlyCount "46"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Be3 exd4 9. Nxd4 Nc5 10. f3 a5 11. Qd2 Re8 12. Rad1 Ne6 13. Rfe1 Nd7 14. Bf1 Ndc5 15. Kh1 Bd7 16. Qf2 Na6 17. f4 Nec5 18. e5 dxe5 19. Nf3 e4 20. Ng5 b6 21. Bxc5 Nxc5 22. Ngxe4 Nxe4 23. Nxe4 c5 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Baak, Evert"]
[Black "Erwich, Marc"]
[Result "0-1"]
[ECO "A14"]
[BlackElo "2159"]
[PlyCount "76"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. b3 0-0 7. Bb2 d5 8. Na3 Nbd7 9. Nc2 dxc4 10. bxc4 c5 11. Nce1 Qc7 12. Nd3 Rad8 13. Nfe5 Bxg2 14. Kxg2 Qb7+ 15. f3 Nxe5 16. Nxe5 Nd7 17. Ng4 f5 18. Nf2 Bf6 19. Qc2 h5 20. h3 h4 21. g4 Qc7 22. Rg1 fxg4 23. Nxg4 Bxb2 24. Qxb2 Nf6 25. Kf2 Rd4 26. Nxf6+ Rxf6 27. e3 Qc6 28. f4 Rdxf4+ 29. exf4 Rxf4+ 30. Ke1 Qe4+ 31. Kd1 Qf3+ 32. Kc2 Rxc4+ 33. Qc3 Rxc3+ 34. dxc3 Qxh3 35. Rg5 Qh2+ 36. Kb3 c4+ 37. Ka4 Qc2+ 38. Kb4 Qb2+ 0-1

