[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.10"]
[Round "13"]
[White "Warmerdam, Ivo"]
[Black "Van Klaveren, Justus"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1343"]
[BlackElo "1454"]
[PlyCount "114"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nf6 7. Re1 b5 8. Bc2 Bg4 9. h3 Bh5 10. d3 Be7 11. Nbd2 0-0 12. Nf1 Nd7 13. Ng3 Bg6 14. d4 f6 15. Bb3+ Kh8 16. Bd5 Ndb8 17. Nh4 Bf7 18. Bxf7 Rxf7 19. Nhf5 g6 20. Qb3 Rf8 21. Nh6 Qe8 22. Be3 Nd7 23. Rad1 Nb6 24. dxe5 dxe5 25. Bxb6 cxb6 26. Rd2 Kg7 27. Ng4 Na5 28. Qe6 Nc4 29. Rd7 Rf7 30. b3 Na5 31. Red1 Bf8 32. Qxf6+ Kg8 33. Qxf7+ Qxf7 34. Rxf7 Kxf7 35. Nxe5+ Ke8 36. b4 Nc4 37. Nxc4 bxc4 38. Rd4 b5 39. Ne2 Rd8 40. Rxd8+ Kxd8 41. Nd4 Kd7 42. Kf1 Bh6 43. Ke2 Kd6 44. g3 Ke5 45. f3 Kd6 46. f4 Bf8 47. Ke3 Be7 48. Nf3 h6 49. Ne5 g5 50. Nf7+ Ke6 51. Nxh6 gxf4+ 52. gxf4 Bf8 53. Ng4 Be7 54. e5 Bh4 55. Ke4 Be1 56. f5+ Ke7 57. Kd4 Bd2 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.09"]
[Round "11"]
[White "Warmerdam, Ivo"]
[Black "Honkoop, Mark"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1343"]
[BlackElo "1061"]
[PlyCount "64"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. c3 Nf6 7. 0-0 Be7 8. Re1 0-0 9. Nd2 Bg4 10. Be2 Be6 11. Qc2 Ne5 12. Nf1 c5 13. f4 cxd4 14. fxe5 dxe5 15. Rd1 Qb6 16. Kh1 dxc3 17. bxc3 Rac8 18. Rb1 Qc6 19. Bd2 Nxe4 20. Bf3 Bd5 21. Be3 Nf6 22. Bxd5 Nxd5 23. c4 Nb4 24. Qf2 Qxc4 25. a3 Nd3 26. Qd2 Rfd8 27. Bxa7 Nf4 28. Qf2 Qe2 29. Rxd8+ Rxd8 30. Qxe2 Nxe2 31. Rxb7 Bxa3 32. Bb6 Rd1 0-1

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.09"]
[Round "10"]
[White "Wouters, Colin"]
[Black "Warmerdam, Ivo"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1263"]
[BlackElo "1343"]
[PlyCount "76"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Bg5 Be7 9. Bd3 Nbd7 10. Qd2 Rc8 11. Be3 b5 12. a3 0-0 13. 0-0 Nb6 14. Bxb6 Qxb6+ 15. Qf2 Qc7 16. Kh1 Bxb3 17. cxb3 Rfd8 18. Rac1 Qd7 19. b4 d5 20. exd5 Nxd5 21. Rcd1 Kh8 22. Nxd5 Qxd5 23. Be2 Qb3 24. Rb1 Qe6 25. Qg3 Rc2 26. Rfe1 Rdd2 27. Bf1 Rxb2 28. Rxb2 Rxb2 29. Rxe5 Rb1 30. Kg1 Qb6+ 31. Qf2 Qxf2+ 32. Kxf2 Bf8 33. Re8 Kg8 34. Bd3 Rb2+ 35. Kg3 g6 36. Ra8 Ra2 37. Rxa6 Bxb4 38. Bxb5 Rxa3 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.08"]
[Round "8"]
[White "Warmerdam, Ivo"]
[Black "Droogh, Piet Hein"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1343"]
[BlackElo "962"]
[PlyCount "33"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Be3 Nf6 5. Nc3 Nbd7 6. h3 0-0 7. Qd2 c6 8. 0-0-0 b5 9. e5 Ne8 10. Bh6 Qc7 11. Bxg7 Nxg7 12. g4 dxe5 13. Qh6 exd4 14. Ng5 Nf6 15. Nce4 Qf4+ 16. Kb1 Ne6 17. Nxf6+ 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "7"]
[White "Bourgonjen, Ruben"]
[Black "Warmerdam, Ivo"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1354"]
[BlackElo "1343"]
[PlyCount "15"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 Be7 7. b3 dxc4 8. bxc4 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "5"]
[White "Warmerdam, Ivo"]
[Black "De Rooij, Robin"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1343"]
[BlackElo "1251"]
[PlyCount "139"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 Bd7 8. 0-0 Nge7 9. a3 Bxd2 10. Bxd2 a6 11. Ba4 0-0 12. h3 h6 13. Bc2 f5 14. Bc3 fxe4 15. Bxe4 d5 16. Bc2 Na7 17. Bb4 c6 18. Nh4 Rf6 19. Re1 Nac8 20. Qd2 a5 21. Bxe7 Nxe7 22. Re3 Qf8 23. Rae1 Re8 24. Nf3 b6 25. Ne5 Rd8 26. Qd3 Bf5 27. Qd2 Bxc2 28. Qxc2 Nf5 29. Rd3 Re8 30. Qd2 Nd6 31. Nd7 Qf7 32. Nxf6+ Qxf6 33. Rxe8+ Nxe8 34. Rf3 Qe6 35. Qe3 Nc7 36. Qxe6+ Nxe6 37. Rd3 Kf7 38. Kf1 Ke7 39. Ke1 Kd6 40. g3 c5 41. dxc5+ bxc5 42. a4 c4 43. Re3 Nc5 44. Ra3 Nb3 45. Kd1 Kc5 46. Kc2 Kb4 47. f4 h5 48. g4 hxg4 49. hxg4 g6 50. g5 Nd4+ 51. Kd2 Nf5 52. Rh3 d4 53. Rh6 Kb3 54. Rxg6 Kxb2 55. Rb6+ Ka2 56. Rb5 Nd6 57. g6 Ne4+ 58. Kc1 Nf6 59. Rxa5 Kb3 60. Ra6 Ng8 61. f5 d3 62. f6 c3 63. Rb6+ Ka2 64. f7 Nf6 65. f8Q d2+ 66. Kc2 Nd5 67. Qf7 Ka1 68. Rb1+ Ka2 69. Qxd5+ Ka3 70. Qb3# 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "6"]
[White "Warmerdam, Ivo"]
[Black "Van Randtwijk, Mick"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1343"]
[BlackElo "1362"]
[PlyCount "37"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Qd2 Ng4 8. Nb3 Nxe3 9. Qxe3 0-0 10. 0-0-0 d6 11. Be2 Bd7 12. h4 Rc8 13. h5 Nb4 14. hxg6 fxg6 15. Kb1 Qc7 16. Nd4 Nc6 17. Bc4+ Kh8 18. Rxh7+ Kxh7 19. Rh1+ 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "4"]
[White "Calje, Ming Dao"]
[Black "Warmerdam, Ivo"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "762"]
[BlackElo "1343"]
[PlyCount "103"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 e6 6. Nf3 Bc5 7. Be2 Qb6 8. 0-0 0-0 9. Qd3 Rd8 10. Be3 Bxe3 11. fxe3 Qxb2 12. Rab1 Qa3 13. Ng5 Qe7 14. e5 Nxe5 15. Qd4 Ng6 16. Bh5 Nxh5 17. Nce4 d5 18. Rxf7 Qxf7 19. Nxf7 Kxf7 20. Ng5+ Kg8 21. Rf1 Nf6 22. Qc3 Bd7 23. g3 Rac8 24. Qd4 Rxc2 25. Qxa7 Bc6 26. Nxe6 d4 27. Nxd8 Rg2+ 28. Kh1 Rxg3+ 29. Nxc6 Rxe3 30. Qxd4 Re4 31. Qd8+ Re8 32. Qc7 bxc6 33. Qxc6 Ne5 34. Qb5 Nfd7 35. Qb3+ Kh8 36. Qb5 h6 37. a4 Rb8 38. Qd5 Rb4 39. Ra1 Rb6 40. a5 Ra6 41. Qb5 Ra7 42. a6 Kg8 43. Qd5+ Kf8 44. Qd4 Nc6 45. Rf1+ Ke8 46. Qe3+ Kd8 47. Ra1 Ndb8 48. Rd1+ Kc7 49. Qf4+ Kb6 50. Rb1+ Kxa6 51. Qa4+ Na5 52. Qb5# 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "2"]
[White "Schelleman, Iris"]
[Black "Warmerdam, Ivo"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1105"]
[BlackElo "1343"]
[PlyCount "86"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 b5 9. Nd5 Bb7 10. Bb6 Qc8 11. Nc7+ Kf8 12. Nxa8 Bxa8 13. f3 Nbd7 14. Be3 d5 15. exd5 Nxd5 16. Bf2 Nf4 17. 0-0 Nf6 18. c3 h5 19. Bh4 Rg8 20. Bg5 Qf5 21. Bxf4 exf4 22. Qd3 Qe6 23. Nd4 Bc5 24. Kh1 Qc8 25. Qf5 Qc7 26. Rfe1 Bb7 27. Rad1 Bc8 28. Qd3 g6 29. Nb3 Be7 30. c4 Bf5 31. Qc3 b4 32. Qd2 h4 33. Nd4 h3 34. b3 hxg2+ 35. Kxg2 Rh8 36. Nxf5 gxf5 37. Bd3 Ng4 38. fxg4 f3+ 39. Kf1 Rxh2 40. Re2 fxe2+ 41. Bxe2 Qg3 42. Qd4 Rh1+ 43. Qg1 Rxg1# 0-1

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "3"]
[White "Warmerdam, Ivo"]
[Black "Baselmans, Luuk"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1343"]
[BlackElo "1497"]
[PlyCount "80"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[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. Nd2 c5 4. c3 Nc6 5. Ngf3 Qb6 6. exd5 exd5 7. Nb3 c4 8. Nbd2 Bg4 9. Be2 0-0-0 10. 0-0 Bd6 11. Re1 Qc7 12. h3 Be6 13. Ng5 h6 14. Nxe6 fxe6 15. Bg4 Kb8 16. Bxe6 Nf6 17. Nf3 Rdf8 18. Bf5 Nh5 19. Bc2 g5 20. b4 Rhg8 21. Nxg5 Ng7 22. Nf3 Nh5 23. Bxh6 Rf6 24. Be3 Qg7 25. Ng5 Nf4 26. Qg4 Qxg5 27. Qxg5 Rxg5 28. Bxf4 Bxf4 29. g3 Bd2 30. Re8+ Kc7 31. h4 Rg7 32. a3 Bxc3 33. Rd1 Bxd4 34. Re2 Rxg3+ 35. Kh2 Rg4 36. Kh3 Rgf4 37. b5 Na5 38. Rg1 Rxf2 39. Rg7+ Kb6 40. a4 Rxe2 0-1

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2013.08.05"]
[Round "1"]
[White "Warmerdam, Ivo"]
[Black "Kootstra, Harm Jan"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1343"]
[BlackElo "845"]
[PlyCount "49"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 b6 4. d5 Na5 5. Nc3 d6 6. Bf4 e5 7. dxe6 fxe6 8. Bb5+ Ke7 9. 0-0 Nf6 10. e5 Ne8 11. Bg5+ Nf6 12. exf6+ gxf6 13. Bh4 Bh6 14. Ne4 Rf8 15. Qe2 Bd7 16. Bxd7 Kxd7 17. Rad1 d5 18. Rfe1 Nc4 19. Qxc4 Kc6 20. Qa4+ Kb7 21. Nc3 Qc7 22. Rxe6 Rad8 23. Nb5 Qd7 24. Qxa7+ Kc8 25. Qa8# 1-0

