[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.04"]
[Round "9"]
[White "Domalchuk Jonasson, Aleksandr"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2244"]
[BlackElo "2346"]
[PlyCount "78"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. h3 e5 7. 0-0 Nc6 8. a4 d5 9. exd5 Nxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Re1 Re8 13. Na3 c6 14. Nc4 Bg7 15. Rxe8+ Qxe8 16. Bf1 Qe7 17. Ne3 Be6 18. Qf3 Rd8 19. Nxd5 cxd5 20. Be3 d4 21. cxd4 Bxd4 22. Rd1 Bxe3 23. Rxd8+ Qxd8 24. Qxe3 b6 25. a5 bxa5 26. Qxa7 h5 27. Qe3 Qd1 28. Qd3 Qc1 29. Qb5 Qd2 30. Qd3 Qb4 31. Qc2 Kf8 32. Bd3 Qe1+ 33. Kh2 Qe5+ 34. Kg1 h4 35. Be4 g5 36. Bf3 Kg7 37. Qd2 Kg6 38. Bd1 f5 39. b4 axb4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.03"]
[Round "8"]
[White "Ypma, Peter"]
[Black "Bus, Tom"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2346"]
[BlackElo "2102"]
[PlyCount "133"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. Nge2 Rb8 7. 0-0 Nf6 8. d3 0-0 9. h3 Ne8 10. Be3 Nc7 11. d4 cxd4 12. Nxd4 Ne6 13. Nde2 Nc5 14. Rc1 Be6 15. b3 a5 16. Kh2 Qd7 17. Qd2 Rfc8 18. Rcd1 Qd8 19. f4 b6 20. Nd4 Nxd4 21. Bxd4 Bxd4 22. Qxd4 f6 23. Qe3 Qf8 24. Nb5 Qh6 25. Rfe1 Nd7 26. Nd4 Bg4 27. Rd2 Rc5 28. e5 fxe5 29. Nc6 Rxc6 30. Bxc6 Qxh3+ 31. Kg1 exf4 32. Bd5+ Kh8 33. Qc3+ e5 34. Bg2 Qxg3 35. Qxg3 fxg3 36. Re3 h5 37. Rxg3 Kg7 38. Rxd6 Nf6 39. Rc3 Nd7 40. Re3 Kf7 41. Bd5+ Kg7 42. Bc6 Nf6 43. Rxe5 Rf8 44. Bd5 Nxd5 45. Rexd5 Re8 46. Rd2 Rb8 47. a4 Bf5 48. Rc6 h4 49. Rh2 h3 50. Rf2 Kf7 51. Kh2 Ke7 52. Rd2 Kf7 53. Rdd6 Re8 54. Rc7+ Kg8 55. Rxb6 Re2+ 56. Kg3 Re3+ 57. Kf2 Re8 58. Rbb7 g5 59. Rg7+ Kh8 60. Rxg5 Be4 61. Rb6 h2 62. Rh6+ Bh7 63. Rgh5 Rf8+ 64. Kg2 h1B+ 65. Rxh1 Rg8+ 66. Kf2 Rg6 67. Rxh7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.02"]
[Round "7"]
[White "Elgersma, Onno"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2316"]
[BlackElo "2346"]
[PlyCount "216"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 0-0 7. Bg5 Bb6 8. a4 a6 9. Bc4 Ne7 10. Nbd2 c6 11. Ba2 Ng6 12. Nh4 Nxh4 13. Bxh4 h6 14. Bg3 Bg4 15. Qc2 Nh5 16. Kh1 Bc7 17. d4 Qf6 18. Qd3 exd4 19. cxd4 Nxg3+ 20. fxg3 Qg6 21. Nf3 Bd8 22. Rae1 Bf6 23. Qd2 b5 24. Bb1 Bg5 25. Qc3 Qe6 26. e5 Qc4 27. Qxc4 bxc4 28. exd6 Bxf3 29. Rxf3 Rad8 30. Ba2 Rxd6 31. Bxc4 Rxd4 32. b3 a5 33. Rf5 Bd2 34. Rd1 Rfd8 35. Bxf7+ Kh7 36. h4 Bb4 37. Rxd4 Rxd4 38. h5 Rd3 39. Bg6+ Kg8 40. Re5 Rd1+ 41. Kh2 Re1 42. Rf5 Re3 43. Rf7 Rxb3 44. Rc7 Kf8 45. Rxc6 Ra3 46. Re6 Be7 47. Re4 Rc3 48. Kh3 Rc8 49. Kg4 Rb8 50. Kf5 Rb4 51. Re5 Rxa4 52. Rb5 Rd4 53. Rxa5 Rd8 54. g4 Rb8 55. Ra6 Bd8 56. Ra7 Be7 57. Ke6 Bg5 58. Ra6 Kg8 59. Rc6 Rf8 60. Rc7 Rf6+ 61. Kd7 Rf8 62. Be8 Rf1 63. Rc8 Rf8 64. Ra8 Bh4 65. Ra3 Bg5 66. g3 Rf1 67. Ra8 Rf8 68. Rc8 Kh8 69. Rb8 Kg8 70. Rb5 Rf1 71. Bg6 Rf8 72. Rb7 Rf6 73. Rb5 Rf8 74. Be4 Rf7+ 75. Ke6 Re7+ 76. Kd5 Re8 77. Kd4 Bf6+ 78. Kd3 Rd8+ 79. Bd5+ Kh7 80. Ke3 Bg5+ 81. Ke4 Re8+ 82. Kf5 Rf8+ 83. Ke5 Bf6+ 84. Ke6 Bg5 85. Rb7 Rf6+ 86. Kd7 Rf8 87. Rb5 Rd8+ 88. Ke6 Rf8 89. Be4+ Kg8 90. Bg6 Rf6+ 91. Kd7 Rf8 92. Rb7 Rf6 93. Rb8+ Rf8 94. Bh7+ Kf7 95. Rb7 Rd8+ 96. Kc6+ Kf8 97. Rc7 Rd1 98. Bc2 Rd4 99. Bb3 Rxg4 100. Rf7+ Ke8 101. Rxg7 Rxg3 102. Bd5 Bf4 103. Rh7 Rc3+ 104. Kb5 Rc7 105. Rh8+ Ke7 106. Bc6 Kf6 107. Rg8 Rg7 108. Rxg7 Kxg7 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.01"]
[Round "6"]
[White "Lahaye, Rick"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2417"]
[BlackElo "2346"]
[PlyCount "79"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e5 6. Be3 d6 7. Qd2 Be6 8. f4 Nd4 9. Nce2 Qd7 10. c3 Nxe2 11. Nxe2 Bh3 12. Bxh3 Qxh3 13. fxe5 Bxe5 14. d4 cxd4 15. cxd4 Bg7 16. Qb4 Qd7 17. Bf4 Nf6 18. Nc3 Rd8 19. 0-0 0-0 20. Bg5 Qe6 21. Rae1 Rc8 22. d5 Qe5 23. Bf4 Qh5 24. Bxd6 Ng4 25. h4 Rfe8 26. Qxb7 Bd4+ 27. Kg2 g5 28. Rf5 Ne3+ 29. Rxe3 Bxe3 30. Bc7 Qg6 31. hxg5 Bb6 32. Bxb6 axb6 33. Rf6 Qh5 34. d6 Rcd8 35. g6 Rf8 36. gxh7+ Kxh7 37. Qd5 Qg4 38. Rf5 Kg6 39. d7 f6 40. Qe6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.30"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Manukonda, Arun"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2346"]
[BlackElo "2021"]
[PlyCount "114"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Be2 d6 3. f4 g6 4. Nf3 Bg7 5. 0-0 Nc6 6. Kh1 e6 7. c3 Nge7 8. d4 cxd4 9. cxd4 d5 10. e5 Nf5 11. Na3 a6 12. Nc2 Qb6 13. b3 h5 14. Qe1 Bd7 15. b4 Rc8 16. Bd3 Nce7 17. a4 h4 18. Bd2 Qd8 19. Kg1 b5 20. a5 Rc4 21. Be3 Qc7 22. Ra2 Rc3 23. Qd2 0-0 24. Bf2 h3 25. g3 Rc8 26. Ng5 Rb3 27. Na1 Rc3 28. Rb2 Rc1 29. Nb3 Rxf1+ 30. Bxf1 Qc3 31. Nc5 Qxd2 32. Rxd2 Rxc5 33. dxc5 Nc6 34. Rb2 f6 35. exf6 Bxf6 36. Rb1 Bxg5 37. fxg5 e5 38. Bxh3 Kf7 39. Bf1 Nfe7 40. Be1 Bf5 41. Rb2 e4 42. Rf2 e3 43. Rf3 d4 44. g4 Ne5 45. Rf4 d3 46. gxf5 d2 47. Bxd2 exd2 48. Be2 Nxf5 49. Rf1 Ke6 50. Rd1 Nd4 51. Kf2 Nb3 52. Rb1 Nd4 53. Ke3 Nf5+ 54. Kxd2 Nf7 55. Bxb5 axb5 56. a6 Ne5 57. a7 Nc4+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.29"]
[Round "4"]
[White "Mollema, Thomas"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2235"]
[BlackElo "2346"]
[PlyCount "21"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d5 9. exd5 Bg4 10. Be2 Bxe2 11. Nxe2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.28"]
[Round "3"]
[White "Ypma, Peter"]
[Black "Kumar, Prajit Sai"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2346"]
[BlackElo "2040"]
[PlyCount "79"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 Bf5 5. Nf3 e6 6. Ne5 Nbd7 7. g4 Nxe5 8. gxf5 Nc6 9. Qd3 Qd7 10. fxe6 fxe6 11. a3 Bd6 12. Bg3 0-0 13. Bg2 Ne7 14. e4 dxe4 15. Nxe4 Nf5 16. 0-0-0 Nxe4 17. Bxe4 c6 18. Rhe1 Rad8 19. c3 Kh8 20. Kb1 a5 21. Qe2 b5 22. Bc2 Rfe8 23. Bxd6 Nxd6 24. Qh5 Nf5 25. Re5 Rf8 26. Rde1 g6 27. Qg5 Rde8 28. h4 Ng7 29. h5 Nxh5 30. Bxg6 hxg6 31. Qxg6 Nf6 32. Rh1+ Nh7 33. Rxh7+ Qxh7 34. Rh5 Qxh5 35. Qxh5+ Kg7 36. Qg4+ Kf6 37. Qf3+ Ke7 38. Qxc6 Rxf2 39. d5 exd5 40. Qc5+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.27"]
[Round "2"]
[White "Burdalev, Kirill"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2381"]
[BlackElo "2346"]
[PlyCount "75"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. Nc3 h6 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 a6 10. h3 Be7 11. g4 Bh7 12. Bf4 Ne4 13. b4 0-0 14. Nd2 Nxd2 15. Kxd2 Bf6 16. e3 Nd7 17. Bd6 Rfe8 18. f4 Bh4 19. Bf1 Nf6 20. Bd3 Bxd3 21. Kxd3 Red8 22. Be7 Re8 23. Bxf6 Bxf6 24. h4 Be7 25. h5 f6 26. Rhf1 Rad8 27. Rae1 e5 28. Re2 Rd7 29. dxe5 fxe5 30. fxe5 Bh4 31. Rf5 Bg3 32. e4 dxe4+ 33. Kxe4 Rde7 34. Kd4 Rd7+ 35. Kc4 Rde7 36. Kd4 Rd7+ 37. Ke4 Rde7 38. Kd4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.26"]
[Round "1"]
[White "Ypma, Peter"]
[Black "Binnendijk, Ferdinand"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2346"]
[BlackElo "2147"]
[PlyCount "52"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 g6 3. Bf4 c6 4. Nf3 Bg7 5. e4 dxe4 6. Nxe4 Qa5+ 7. Qd2 Qxd2+ 8. Nexd2 Nf6 9. c3 Nd5 10. Bg3 Bf5 11. Be2 Nd7 12. 0-0 0-0 13. Rfe1 Rfe8 14. Nc4 N7b6 15. Na5 Na4 16. Nxb7 Nxb2 17. Ne5 Bxe5 18. Bxe5 f6 19. Bg3 Nxc3 20. Bf3 Nd3 21. Bxc6 Nxe1 22. Rxe1 Rec8 23. Na5 Kf8 24. h3 Rxc6 25. Nxc6 Be4 26. Re3 Bxc6 1/2-1/2

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.28"]
[Round "4"]
[White "Becx, Cesar"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2101"]
[BlackElo "2340"]
[PlyCount "31"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. d3 d5 4. g3 Nf6 5. Bg2 0-0 6. 0-0 b6 7. e4 dxe4 8. dxe4 Nxe4 9. Ng5 Qxd1 10. Rxd1 f5 11. Nxe4 fxe4 12. Bxe4 c6 13. c3 Bg4 14. Re1 Rc8 15. Bg2 Kf7 16. Be3 1/2-1/2

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.28"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Mensing, Adrian"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2340"]
[BlackElo "1962"]
[PlyCount "49"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 f5 3. Bf4 Nf6 4. e3 e6 5. h4 Bd6 6. Nf3 Bxf4 7. exf4 0-0 8. Ne5 Nc6 9. g3 Bd7 10. Bg2 Rc8 11. 0-0 Be8 12. Re1 Bh5 13. Nxc6 bxc6 14. Qd3 Qd6 15. Na4 Ne4 16. Qe3 Qb4 17. b3 Bf7 18. c3 Qb5 19. Bf1 Qa5 20. Kg2 Nf6 21. Nc5 Ne4 22. Na4 Nf6 23. Qc1 Nd7 24. Qa3 c5 25. b4 1-0

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.27"]
[Round "1"]
[White "Cornelisse, Johnny JA"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2164"]
[BlackElo "2340"]
[PlyCount "62"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 d6 5. Be2 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. c4 Nf6 9. Bc3 0-0 10. f3 Nbd7 11. Qb1 Rb8 12. Qb3 Nb6 13. e5 Nh5 14. g4 Nf4 15. Bf1 e6 16. exd6 exd5 17. Qxa4 Nxa4 18. Bd2 g5 19. Bxf4 gxf4 20. Ne2 d4 21. Nxf4 Rd8 22. Bd3 Rxd6 23. Kf2 Bd7 24. Rhe1 Nb2 25. Re5 Nxd3+ 26. cxd3 b6 27. Rae1 Kf8 28. Rh5 Kg7 29. Rg5+ Kf8 30. Rh5 Kg7 31. Rg5+ Kf8 1/2-1/2

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.27"]
[Round "3"]
[White "Foerster Yialamas, Lucas"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2117"]
[BlackElo "2340"]
[PlyCount "115"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. a4 b6 6. Nf3 Nd7 7. Bc4 e6 8. 0-0 Ne7 9. Re1 h6 10. Be3 0-0 11. Qd2 Kh7 12. h4 Nf6 13. Rad1 d5 14. Bd3 dxe4 15. Nxe4 Nf5 16. Nxf6+ Qxf6 17. Be4 Ra7 18. Bf2 Bb7 19. Bxb7 Rxb7 20. b3 Rd8 21. g4 Ne7 22. Ng5+ hxg5 23. hxg5 Qxd4 24. Bxd4 Rxd4 25. Qh2+ Kg8 26. c3 Rd5 27. Rxd5 Nxd5 28. f5 gxf5 29. gxf5 Bxc3 30. g6 fxg6 31. fxg6 c5 32. Rxe6 Nf6 33. Qg2 Rd7 34. Qh3 Rd1+ 35. Kf2 Rd2+ 36. Ke3 Nd5+ 37. Ke4 Rd4+ 38. Kf5 Rf4+ 39. Kg5 Kf8 40. Qh6+ Bg7 41. Re8+ Kxe8 42. Qxg7 Rd4 43. Qf7+ Kd8 44. g7 Ne7 45. g8Q+ Nxg8 46. Qxg8+ Kc7 47. Qf7+ Kc6 48. Qe6+ Kb7 49. Kf5 a5 50. Qe7+ Kc6 51. Qa7 Rd7 52. Qb8 Rh7 53. Qc8+ Kd6 54. Kf6 Rd7 55. Qb8+ Kd5 56. Qa8+ Kd6 57. Qc8 Rc7 58. Qe6# 1-0

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2018.04.29"]
[Round "11.2"]
[White "Van den Doel, Erik"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2591"]
[BlackElo "2324"]
[PlyCount "54"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wirtzfeld"]
[BlackTeam "Brasschaat"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d6 2. e4 Nd7 3. Nf3 e5 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8. Qxe5 Nf6 9. Bh6 Rg8 10. Nc3 Qd6 11. Qxd6 Bxd6 12. Bd2 Be6 13. Bd3 0-0-0 14. Bg5 Be7 15. e5 Nd5 16. Bxe7 Nxe7 17. 0-0-0 h6 18. Be4 g5 19. Rxd8+ Rxd8 20. h4 g4 21. h5 Rg8 22. Nb5 Bd7 23. Nd4 Rg5 24. e6 fxe6 25. Ne2 Ng8 26. Bg6 Nf6 27. Ng3 Bc6 1/2-1/2

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2018.04.22"]
[Round "10.2"]
[White "Ypma, Peter"]
[Black "Burg, Twan"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2324"]
[BlackElo "2511"]
[PlyCount "37"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brasschaat"]
[BlackTeam "Amay"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 Bg4 4. Ne5 Bf5 5. e3 Nbd7 6. f4 e6 7. Be2 Nxe5 8. fxe5 Nd7 9. 0-0 Be7 10. c4 c6 11. d4 0-0 12. Nc3 Bg5 13. cxd5 Bxe3+ 14. Kh1 cxd5 15. Nxd5 Bg5 16. Nc3 Bg6 17. Bf3 Rb8 18. Ba3 Be7 19. Bxe7 1/2-1/2

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2018.02.25"]
[Round "7.2"]
[White "Saltaev, Mihail"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2477"]
[BlackElo "2324"]
[PlyCount "79"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Brasschaat"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nge2 Qh4 6. 0-0 Nf6 7. f3 g5 8. Nb5 Na6 9. e5 Nd5 10. g3 Qh5 11. a3 c6 12. c4 Ne7 13. Nbc3 Bxc3 14. Nxc3 c5 15. Ne4 Bxe4 16. Bxe4 Rd8 17. Qa4 Nb8 18. dxc5 Nbc6 19. cxb6 axb6 20. Be3 Rb8 21. Qb5 0-0 22. Rad1 Rb7 23. c5 g4 24. f4 Rfb8 25. cxb6 d5 26. Bg2 d4 27. Rxd4 Nxd4 28. Bxd4 Nd5 29. Bxd5 exd5 30. a4 Rc8 31. Qxd5 Rbb8 32. Qe4 Rc4 33. b3 Rb4 34. Qd5 Qh6 35. a5 Rc8 36. Bc5 Rb5 37. b4 Rcxc5 38. bxc5 Rb2 39. Qd8+ Kg7 40. Qf6+ 1-0

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2018.02.04"]
[Round "6.2"]
[White "Ypma, Peter"]
[Black "Eliet, Nicolas"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2324"]
[BlackElo "2380"]
[PlyCount "79"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brasschaat"]
[BlackTeam "Charleroi CREC"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Nge2 dxe4 6. fxe4 e5 7. dxe5 Qxd1+ 8. Kxd1 Ne7 9. Nf4 Ng6 10. e6 Bxe6 11. Nxe6 fxe6 12. Bc4 Nf8 13. Ne2 Nbd7 14. Nd4 Ne5 15. Bb3 0-0-0 16. c3 Bc5 17. Bg5 Rd7 18. Kc2 Bxd4 19. cxd4 Rxd4 20. Rhe1 c5 21. Be3 Rd6 22. Rad1 Rxd1 23. Kxd1 b6 24. Ke2 Kb7 25. Rd1 c4 26. Ba4 Nd3 27. Bb5 a6 28. Bxc4 Nxb2 29. Rc1 Nxc4 30. Rxc4 e5 31. Rc1 Nd7 32. Rd1 Kc6 33. Rc1+ Kd6 34. Rd1+ Ke6 35. Rc1 Kd6 36. Rd1+ Kc6 37. Rc1+ Kb7 38. Rd1 Nb8 39. Rb1 Nd7 40. Rd1 1/2-1/2

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2017.11.19"]
[Round "4.1"]
[White "Ypma, Peter"]
[Black "Leenhouts, Koen"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2324"]
[BlackElo "2502"]
[PlyCount "110"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brasschaat"]
[BlackTeam "KBSK Brugge"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d5 5. Bd3 0-0 6. h3 c5 7. c3 Qb6 8. Qb3 c4 9. Qxb6 axb6 10. Bc2 b5 11. Bxb8 Rxb8 12. 0-0 Ne8 13. Nbd2 Bf5 14. Bxf5 gxf5 15. Ne5 Rd8 16. f4 Nd6 17. a3 Ne4 18. Nef3 Rd6 19. Kh2 Ra8 20. Nxe4 fxe4 21. Ng1 Kf8 22. Ne2 Ke8 23. Kg1 Kd7 24. Kf2 Rg6 25. g3 Bf6 26. Ke1 Rag8 27. Rg1 h5 28. Kd2 Kc6 29. Raf1 R6g7 30. Ra1 e6 31. Raf1 Kd6 32. Rh1 Rh7 33. Rh2 Rhg7 34. Rhf2 Rh7 35. Ra1 Rh6 36. Rg1 Rh7 37. Rfg2 Bd8 38. Rf2 f5 39. h4 Rhg7 40. Rh2 Kc6 41. Rh3 Be7 42. Ra1 Ra8 43. Rhh1 Rgg8 44. Rhg1 Ra7 45. Kc2 Rga8 46. Rab1 Kb6 47. Rgc1 Rg8 48. Rh1 Raa8 49. Kd2 Rg4 50. Rh3 Kc6 51. Kc2 Rg7 52. Kd2 Bd6 53. Rhh1 b6 54. Kc2 Rag8 55. Rbg1 Be7 1/2-1/2

[Event "BEL-chT 1718"]
[Site "Belgium"]
[Date "2017.10.22"]
[Round "3.2"]
[White "Ypma, Peter"]
[Black "Hovhannisyan, Mher"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2324"]
[BlackElo "2466"]
[PlyCount "148"]
[EventDate "2017.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brasschaat"]
[BlackTeam "Liege Crelel"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Ne2 c5 6. dxc5 Bxc5 7. 0-0 h6 8. Nd2 Nc6 9. Nb3 Bb6 10. c3 Bg4 11. h3 Be6 12. Nbd4 0-0 13. Bf4 Nxd4 14. Nxd4 Bxd4 15. cxd4 Qb6 16. Qd2 Ne4 17. Bxe4 dxe4 18. d5 Rad8 19. d6 Bd7 20. a4 Qb3 21. Ra3 Qe6 22. Qd4 g5 23. Bd2 Bc6 24. Bb4 a6 25. Rd1 Rd7 26. Bc5 f5 27. Rc3 f4 28. Qc4 Qxc4 29. Rxc4 Rf5 30. Ba3 Kf7 31. Re1 Ke6 32. b3 h5 33. Rc5 Rxc5 34. Bxc5 g4 35. g3 f3 36. h4 Bd5 37. b4 Bc6 38. a5 Bd5 39. Rc1 Rf7 40. Kf1 Bc6 41. Ke1 Rf5 42. Rd1 Bd5 43. Rd2 Kd7 44. Rc2 Bc6 45. Rd2 Bb5 46. Rd1 Be2 47. Rd2 Bd3 48. Rb2 Rd5 49. Kd2 Kc6 50. Ke3 Kb5 51. Rd2 Kc4 52. Rd1 Kc3 53. Rd2 Kb3 54. Kf4 Kc4 55. Ke3 Kc3 56. Rd1 Kc2 57. Ra1 Kb3 58. Rd1 Kb2 59. Kf4 Kc2 60. Ra1 Kd2 61. Ra2+ Kc3 62. Ke3 Bb1 63. Ra1 Bd3 64. Rc1+ Kb2 65. Rd1 Kc2 66. Ra1 Kb3 67. Rd1 Kb2 68. Bd4+ Kc2 69. Rd2+ Kb3 70. Bc5 Kc3 71. Ra2 Kc4 72. Rb2 Kb5 73. Rd2 Kc6 74. Rd1 Kb5 1/2-1/2

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.23"]
[Round "9"]
[White "Sandipan, Chanda"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2575"]
[BlackElo "2283"]
[PlyCount "49"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 Nc6 5. d5 Nce7 6. e4 g6 7. c5 Nf6 8. Bb5+ c6 9. dxc6 Nxc6 10. Bg5 h6 11. Bxf6 Qxf6 12. Qd5 Bd7 13. 0-0-0 0-0-0 14. cxd6 Bg7 15. Kb1 Rhe8 16. Qc5 Bf8 17. Bxc6 Bxc6 18. Nb5 Kd7 19. Nc7 Bxd6 20. Nxe8 Kxe8 21. Qxa7 Bxe4+ 22. Ka1 g5 23. Rhe1 g4 24. Nd2 Bb8 25. Nxe4 1-0

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.22"]
[Round "8"]
[White "Ypma, Peter"]
[Black "Kuipers, Stefan"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2283"]
[BlackElo "2388"]
[PlyCount "34"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 0-0 6. 0-0 e4 7. Ng3 Be5 8. Bxe5 Nxe5 9. d4 exd3 10. cxd3 d5 11. d4 Ng6 12. Be2 Re8 13. Nd2 Qd6 14. Rc1 c6 15. Qc2 Bg4 16. Qc5 Qd7 17. b4 Bxe2 1/2-1/2

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.21"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Pruijssers, Roeland"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2283"]
[BlackElo "2508"]
[PlyCount "61"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 e6 4. h3 b6 5. e3 Bb7 6. Bd3 Be7 7. Nbd2 0-0 8. c3 Ne4 9. Rg1 d5 10. Qe2 Nd7 11. g4 Bd6 12. Bxd6 cxd6 13. gxf5 exf5 14. 0-0-0 Qf6 15. Rg2 Rae8 16. Rdg1 Re7 17. Ng5 h6 18. Ngf3 Qe6 19. Nh4 g5 20. f4 Rg7 21. fxg5 h5 22. Qf3 b5 23. Bxb5 Nb6 24. Qxh5 Nc4 25. Qh6 Qc8 26. Nxe4 dxe4 27. g6 f4 28. Rg5 Qxh3 29. Bxc4+ d5 30. Nf5 Qf3 31. Qxg7# 1-0

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.20"]
[Round "6"]
[White "Gavrilov, Alexei"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2491"]
[BlackElo "2283"]
[PlyCount "110"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 c6 7. a4 Qc7 8. Ba2 h6 9. Qd3 g5 10. Be3 Nf8 11. Qc4 Rh7 12. a5 Ng6 13. dxe5 dxe5 14. Nd5 Nxd5 15. exd5 Bd7 16. Rfd1 Qb8 17. dxc6 Bxc6 18. Bb3 a6 19. Ba4 Qc8 20. h3 f6 21. Nd2 Bxa4 22. Qxa4+ Qc6 23. Qxc6+ bxc6 24. g4 h5 25. Ne4 hxg4 26. hxg4 Kf7 27. Kg2 Rah8 28. Rh1 Nf4+ 29. Bxf4 Rxh1 30. Rxh1 Rxh1 31. Kxh1 exf4 32. Kg2 Ke6 33. Kf3 f5 34. Nd2 Bc5 35. c3 fxg4+ 36. Kxg4 Bxf2 37. Kxg5 Be3 38. Nf3 c5 39. c4 Bc1 40. b3 Be3 41. Kg6 Bc1 42. Kg5 Be3 43. Kg4 Kf6 44. Ne1 Ke5 45. b4 cxb4 46. Nd3+ Ke4 47. Nxb4 f3 48. Kg3 Bd2 49. Nd5 Be1+ 50. Kh2 Bxa5 51. Kg1 Bd8 52. Kf2 Bh4+ 53. Kf1 a5 54. Nb6 Kd4 55. Nd7 a4 0-1

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.18"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Beerdsen, Thomas"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2283"]
[BlackElo "2452"]
[PlyCount "76"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 Be7 4. h4 c5 5. c3 Nc6 6. e3 b6 7. Nbd2 Bb7 8. Bd3 h6 9. Rh3 d6 10. Qe2 Qc7 11. e4 cxd4 12. Nxd4 e5 13. Nxc6 Bxc6 14. Be3 0-0-0 15. c4 Nd7 16. b4 Nf8 17. a4 Ne6 18. a5 Nf4 19. Bxf4 exf4 20. axb6 axb6 21. Bc2 Kb7 22. Rha3 Ra8 23. Qf3 Bf6 24. Rxa8 Rxa8 25. Rxa8 Kxa8 26. b5 Bb7 27. Qxf4 Qe7 28. Qe3 Ka7 29. g3 Qe5 30. Qa3+ Kb8 31. Nf3 Qe7 32. Qd3 Qc7 33. Nd4 Qc5 34. Nf5 Be5 35. f4 Qg1+ 36. Kd2 Bb2 37. Bd1 Qf2+ 38. Be2 Qg1 1/2-1/2

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.17"]
[Round "4"]
[White "Ikonnikov, Vyacheslav"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "2538"]
[BlackElo "2283"]
[PlyCount "144"]
[EventDate "2017.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. c4 Ngf6 4. Nc3 e5 5. e4 Be7 6. Be2 c6 7. 0-0 Qc7 8. Qc2 h6 9. b4 g5 10. d5 Nf8 11. dxc6 bxc6 12. b5 Ne6 13. bxc6 Qxc6 14. Be3 Nf4 15. Bxf4 gxf4 16. Rfd1 Kf8 17. Rac1 Rg8 18. c5 Qxc5 19. Qd3 Qa3 20. Nd2 Be6 21. Nc4 Bxc4 22. Qxc4 Kg7 23. Nb5 Qc5 24. Nxd6 Bxd6 25. Qxc5 Bxc5 26. Rxc5 Nxe4 27. Rxe5 Nc3 28. Re1 Rae8 29. Bh5 Rxe5 30. Rxe5 Rb8 31. h4 Rb5 32. Rxb5 Nxb5 33. Kf1 Nc3 34. a3 Kf6 35. Ke1 Ke6 36. Be2 Kd5 37. Bd3 Kd4 38. Kd2 Nd5 39. Bc2 Nc3 40. Bh7 f6 41. Bg6 Nb5 42. a4 Nd6 43. Ke2 Nc4 44. Bf5 Ne5 45. a5 Kc5 46. a6 Kb6 47. Bc8 f3+ 48. gxf3 Nc4 49. f4 Nd6 50. Be6 Kxa6 51. Kf3 h5 52. Ke3 Kb5 53. Kd4 Kc6 54. Bd5+ Kd7 55. Bf3 Nf5+ 56. Ke4 Ng7 57. Kd5 a5 58. Bd1 Ke7 59. Kc5 Ne6+ 60. Kb5 Nxf4 61. Kxa5 Kf7 62. Kb4 Kg6 63. Kc3 Ng2 64. Kd4 Nxh4 65. Ke4 Ng2 66. Kf3 Nh4+ 67. Ke4 Kg5 68. f4+ Kg6 69. Be2 f5+ 70. Ke5 Ng2 71. Bxh5+ Kxh5 72. Kxf5 Nxf4 1/2-1/2

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.16"]
[Round "3"]
[White "Ypma, Peter"]
[Black "Ongut, Tamas Gunes"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2283"]
[BlackElo "2114"]
[PlyCount "127"]
[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. b3 g6 2. Bb2 Nf6 3. e4 d6 4. g3 Bg7 5. Bg2 e5 6. Ne2 h5 7. h3 Nc6 8. Nbc3 Be6 9. d4 Bd7 10. d5 Ne7 11. f4 h4 12. g4 exf4 13. Nxf4 g5 14. Nd3 Ng6 15. Qf3 Qe7 16. Rf1 0-0 17. 0-0-0 Ne8 18. Kb1 Be5 19. Nxe5 dxe5 20. Rf2 f6 21. Ne2 Nd6 22. Qe3 a5 23. c4 b6 24. Kc2 a4 25. Kd2 axb3 26. axb3 c5 27. Ke1 Rfc8 28. Nc3 Nf4 29. Bf1 Be8 30. Rc2 Qb7 31. Rdc1 Bg6 32. Kf2 Qh7 33. Re1 Qd7 34. Kg1 Be8 35. Ne2 Ng6 36. Nc1 Rcb8 37. Nd3 Qd8 38. Rf2 Rb7 39. Bg2 Rf7 40. Rc1 Bd7 41. Bc3 Ra3 42. Rb2 Qa8 43. Be1 Qa6 44. Bf2 Nf4 45. Nxf4 exf4 46. Qc3 Ra1 47. Rbb1 Rxb1 48. Rxb1 Qc8 49. Bf3 Qe8 50. Re1 Qe5 51. Qc2 Rf8 52. b4 cxb4 53. Bxb6 Rc8 54. c5 Qd4+ 55. Qf2 Qxf2+ 56. Kxf2 Nc4 57. Rb1 Nxb6 58. cxb6 Rb8 59. Rxb4 Kf7 60. b7 Ke7 61. Rb6 Be8 62. Bd1 Bd7 63. Bb3 Kd8 64. d6 1-0

[Event "Leiden LCT op-A 11th"]
[Site "Leiden"]
[Date "2017.07.14"]
[Round "1"]
[White "Ypma, Peter"]
[Black "Thesing, Ansgar"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2283"]
[BlackElo "1962"]
[PlyCount "63"]
[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. c4 e5 2. g3 Nc6 3. Bg2 g6 4. e3 Bg7 5. Ne2 Nge7 6. Nbc3 0-0 7. 0-0 d6 8. d4 exd4 9. exd4 Nf5 10. d5 Ncd4 11. Nf4 Bd7 12. Ne4 b5 13. c5 dxc5 14. Nxc5 Nd6 15. Bd2 Bf5 16. Bc3 Bc2 17. Qc1 g5 18. Bxd4 Bxd4 19. Nfe6 fxe6 20. Nxe6 Qf6 21. Qxc2 Rf7 22. Nxd4 Qxd4 23. Rad1 Qf6 24. Bh3 Re7 25. b3 Rf8 26. Be6+ Kg7 27. f4 Nf7 28. fxg5 Qe5 29. Qf2 Qxg5 30. Rd4 Qe5 31. Rg4+ Kh8 32. Rf4 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.30"]
[Round "9"]
[White "Ypma, Peter"]
[Black "Gedajlovic, Max"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2260"]
[BlackElo "2338"]
[PlyCount "151"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 Be7 6. Nc4 d6 7. Bxc6+ bxc6 8. d3 Be6 9. e4 Bxc4 10. bxc4 Rb8 11. Bc3 Qd7 12. Ne2 0-0 13. 0-0 d5 14. cxd5 cxd5 15. Bxe5 dxe4 16. dxe4 Qe6 17. Bxc7 Rbc8 18. Nd4 Qd7 19. Be5 Rc5 20. Bxf6 Bxf6 21. Nb3 Qxd1 22. Raxd1 Rxc2 23. Rd2 Rxd2 24. Nxd2 Rc8 25. Nb3 Kf8 26. Rc1 Rxc1+ 27. Nxc1 Ke7 28. Nb3 Bc3 29. Kf1 Ke6 30. Ke2 Be5 31. Ke3 Bc7 32. Nd4+ Kd7 33. f4 f6 34. h4 a6 35. h5 Bd6 36. Nf5 Bc5+ 37. Kf3 g6 38. Ne3 gxh5 39. Nf5 Kc6 40. Ng7 Be7 41. Nxh5 Kd6 42. Kg4 Ke6 43. Ng7+ Kf7 44. Nf5 Bc5 45. Kf3 Ke6 46. Ne3 Bd6 47. g3 Bc7 48. Nc4 Bb8 49. Nb2 Bc7 50. Nd3 Bd6 51. Kg4 Bf8 52. Kh5 Kf7 53. g4 Ke6 54. f5+ Kf7 55. e5 fxe5 56. Nxe5+ Ke7 57. g5 Kd6 58. Ng4 Bg7 59. f6 Bf8 60. g6 hxg6+ 61. Kxg6 Ke6 62. f7 Bc5 63. Ne3 Ke5 64. Nc4+ Kd5 65. Na5 Be7 66. Kf5 Kc5 67. Ke6 Bf8 68. Kd7 Kd5 69. Nc6 Ke4 70. a4 Bh6 71. Nb8 a5 72. Nc6 Kd5 73. Nxa5 Kc5 74. Nc6 Kb6 75. Ne7 Bf8 76. Ke8 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.29"]
[Round "8"]
[White "Van Foreest, Lucas"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2395"]
[BlackElo "2260"]
[PlyCount "49"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 Nf6 5. Nbd2 c5 6. c3 Nc6 7. 0-0 cxd4 8. cxd4 Nb4 9. Bb1 Ba6 10. Re1 Qc7 11. Nf1 Bxf1 12. Rxf1 Rc8 13. a3 Nc6 14. Bg5 Be7 15. Bd3 0-0 16. Rc1 Qb8 17. Qe2 e5 18. Rxc6 dxc6 19. dxe5 Bxa3 20. exf6 Bd6 21. e5 Rfe8 22. Qe4 g6 23. Qh4 Bf8 24. Bh6 Bc5 25. Bf4 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.28"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Gleizerov, Evgeny"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2260"]
[BlackElo "2518"]
[PlyCount "136"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nf6 6. 0-0 0-0 7. Bg5 Bg4 8. Re1 Nbd7 9. Nbd2 c5 10. dxc5 Nxc5 11. Nb3 Nce4 12. Bxe4 dxe4 13. Bxf6 Qxf6 14. Rxe4 Bxf3 15. gxf3 Rad8 16. Qc1 Qxf3 17. Qe3 Qh5 18. h3 f5 19. Rd4 Rde8 20. Qd3 Be5 21. Rd7 f4 22. Nd2 Kh8 23. Nf3 Qxh3 24. Nxe5 f3 25. Nxf3 Qg4+ 26. Kf1 Rxf3 27. Qd4 Rxf2+ 28. Qxf2 Qxd7 29. Re1 Rc8 30. c3 h6 31. Re5 Rc6 32. Qf8+ Kh7 33. Ke1 Rf6 34. Qb4 Qd3 35. Qe4+ Qxe4+ 36. Rxe4 h5 37. b4 Kg6 38. c4 Kf7 39. Rd4 Ke7 40. a4 Rf5 41. a5 g5 42. c5 Rf4 43. Rd5 Kf6 44. b5 h4 45. Rd6+ Ke5 46. Rh6 Rc4 47. b6 axb6 48. cxb6 Ra4 49. Rh7 Rxa5 50. Rxb7 Rb5 51. Kf2 Kf4 52. Rf7+ Kg4 53. b7 Rb2+ 54. Kf1 h3 55. Kg1 Kg3 56. Rf1 Rxb7 57. Ra1 Rb3 58. Rc1 g4 59. Ra1 Rb4 60. Ra3+ Kh4 61. Ra1 g3 62. Kh1 Rf4 63. Rb1 Rf1+ 64. Rxf1 g2+ 65. Kh2 gxf1B 66. Kg1 Kg3 67. Kh1 Bg2+ 68. Kg1 h2# 0-1

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.27"]
[Round "6"]
[White "Liu, Guanchu"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2418"]
[BlackElo "2260"]
[PlyCount "36"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Nf3 Bb4 6. e5 Ne4 7. Bd2 Nxd2 8. Qxd2 Bxf3 9. gxf3 d5 10. a3 Bxc3 11. Qxc3 0-0 12. f4 f5 13. Bb5 Rf7 14. Bc6 Nxc6 15. Qxc6 Qe8 16. Qxe8+ Rxe8 17. Rc1 c5 18. c4 dxc4 1/2-1/2

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.26"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Ten Hertog, Hugo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2260"]
[BlackElo "2453"]
[PlyCount "109"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. b3 g6 2. Bb2 Nf6 3. Bxf6 exf6 4. c4 b6 5. Nc3 Bb7 6. Nf3 f5 7. e3 f4 8. e4 Bg7 9. Bd3 Nc6 10. Rc1 g5 11. Bb1 g4 12. Ng1 Qg5 13. Kf1 h5 14. h4 Qh6 15. Nd5 0-0-0 16. Ne2 f3 17. gxf3 gxf3 18. Ng3 Nd4 19. Ne7+ Kb8 20. Nef5 Qf6 21. Rc3 Nxf5 22. Nxf5 Bh6 23. Rxf3 Qb2 24. d3 Rdg8 25. Rg1 Bf8 26. Rfg3 Rxg3 27. Rxg3 a5 28. Qc2 Qe5 29. d4 Qf4 30. d5 Bc5 31. Qb2 Re8 32. a3 Rxe4 33. Bxe4 Qxe4 34. Rg5 Qh1+ 35. Ke2 Qe4+ 36. Ne3 Qxh4 37. Qh8+ Ka7 38. Rxh5 Qe4 39. Qh7 Qd4 40. a4 d6 41. Qd3 Qb2+ 42. Qc2 Qf6 43. Rf5 Qg7 44. Rf3 Bc8 45. Kf1 Qa1+ 46. Kg2 Qg7+ 47. Rg3 Qf8 48. Qh7 Qe7 49. Rf3 Kb8 50. Qxf7 Qe4 51. Qf4 Qb1 52. Nf5 Kb7 53. Nd4 Qg6+ 54. Rg3 Qh7 55. Ne6 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.24"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Warmerdam, Max"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2260"]
[BlackElo "2347"]
[PlyCount "53"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 e4 6. Ng3 0-0 7. Bxf6 Qxf6 8. Nc3 Bxg3 9. hxg3 Re8 10. Rh4 Qg6 11. Bc4 Ne5 12. Bd5 c6 13. Bxe4 f5 14. Bf3 Qf6 15. Be2 b5 16. d4 Ng6 17. Rh2 a5 18. a3 d5 19. Bh5 Re7 20. Bxg6 hxg6 21. Kd2 g5 22. Qf3 Be6 23. Rah1 Kf8 24. Rh8+ Bg8 25. Nxd5 cxd5 26. Qxd5 Rae8 27. Rxg8# 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.21"]
[Round "1"]
[White "Ulybin, Mikhail"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2483"]
[BlackElo "2260"]
[PlyCount "93"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5 d6 5. Bb5+ Bd7 6. a4 Nf6 7. Nf3 0-0 8. h3 e6 9. 0-0 Bxb5 10. axb5 exd5 11. Nxd5 Nxe4 12. Re1 f5 13. Ng5 Bd4 14. Nxe4 fxe4 15. Rxe4 Nd7 16. Bf4 Nf6 17. Rxd4 cxd4 18. Bg5 h6 19. Bxf6 Rxf6 20. Nxf6+ Qxf6 21. Ra4 Rc8 22. Rxd4 Rxc2 23. Qxc2 Qxd4 24. Qxg6+ Kf8 25. Qxh6+ Kf7 26. Qh7+ Ke6 27. Qg8+ Ke7 28. Qh7+ Ke6 29. Qxb7 d5 30. Qc6+ Ke7 31. Qc3 Qd1+ 32. Kh2 d4 33. Qc5+ Ke6 34. Qxa7 Qd2 35. Qb6+ Kf5 36. Qc5+ Ke4 37. Qc6+ Kd3 38. b6 Qf4+ 39. Kg1 Ke2 40. Qc2+ Ke1 41. Qb1+ Ke2 42. Qf1+ Kd2 43. Qb5 Kc2 44. Qc4+ Kb1 45. b7 Qe5 46. Qb4 Qb8 47. Qb3 1-0

[Event "Maastricht Limburg op-A 10th"]
[Site "Maastricht"]
[Date "2016.05.13"]
[Round "1"]
[White "Van Foreest, Jorden"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2557"]
[BlackElo "2272"]
[PlyCount "73"]
[EventDate "2016.05.13"]
[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. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. g4 Bg6 8. d4 a6 9. Bb3 Nb6 10. f4 h5 11. f5 Bh7 12. g5 Nfxd5 13. Nxd5 Nxd5 14. Qf3 c6 15. Ne2 g6 16. Nf4 Nxf4 17. Bxf4 Qa5+ 18. Bd2 Qxf5 19. Qe3 Bg8 20. 0-0-0 Bg7 21. Rhf1 Qd7 22. Ba5 Qd6 23. Qe4 Qxh2 24. Kb1 Qd6 25. Bb6 h4 26. c4 Qe6 27. Qd3 f5 28. gxf6 Bxf6 29. Rde1 Qf7 30. c5 Qg7 31. Bxg8 Rxg8 32. d5 g5 33. d6 Qg6 34. Rxe7+ Kf8 35. Rf5 Rg7 36. Re6 Rf7 37. d7 1-0

[Event "Delft Prinsenstad op 9th"]
[Site "Delft"]
[Date "2016.03.26"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Haver, Bas"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2254"]
[BlackElo "2164"]
[PlyCount "62"]
[EventDate "2016.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. f3 e5 2. g3 d5 3. Nh3 Nc6 4. Bg2 Bc5 5. Nf2 f5 6. e3 Nf6 7. Nc3 d4 8. Ne2 dxe3 9. dxe3 Qe7 10. 0-0 Be6 11. Bd2 Rd8 12. Qc1 0-0 13. b3 Rd7 14. Nd3 Rfd8 15. Nc3 Ba3 16. Qb1 Nb4 17. Rf2 Nxd3 18. cxd3 Rxd3 19. Qc2 Qd7 20. Nb1 Be7 21. Bf1 Rd6 22. Bc3 e4 23. Nd2 exf3 24. Nc4 Ne4 25. Nxd6 Qxd6 26. Bc4 Bxc4 27. bxc4 Nxc3 28. Rxf3 Qd3 29. Qb3 Bc5 30. Kh1 Qe4 31. Raf1 Rd1 0-1

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.30"]
[Round "9"]
[White "Ypma, Peter"]
[Black "Kerigan, Demre"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2228"]
[BlackElo "2374"]
[PlyCount "97"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 g6 5. a4 Bg7 6. h3 0-0 7. Be3 Qc7 8. Bc4 Nbd7 9. 0-0 Nxe4 10. Nxe4 d5 11. Bd3 dxe4 12. Bxe4 Nf6 13. Bd3 Nd5 14. Bd2 c5 15. c3 cxd4 16. Nxd4 Nf4 17. Be4 Ne6 18. Nb5 Qb8 19. Qf3 a6 20. Na3 Nc5 21. Bc2 Be6 22. Be3 Qc7 23. Rad1 Be5 24. Bd4 Rfd8 25. Rfe1 Bxd4 26. Rxd4 Nd7 27. Red1 Nf6 28. Nb1 Rxd4 29. Rxd4 Qe5 30. Qd1 Kg7 31. Nd2 Rc8 32. Nf3 Qc5 33. Bb3 Rc6 34. Rd8 Bxb3 35. Qxb3 Ne4 36. Rd4 Nxf2 37. Qxb7 Nd3 38. b4 Qxc3 39. Rxd3 Qc1+ 40. Kf2 Rc2+ 41. Kg3 Qf1 42. Rd2 Rxd2 43. Nxd2 Qe1+ 44. Kh2 Qxd2 45. Qxe7 Qf4+ 46. Kh1 Qf1+ 47. Kh2 Qf4+ 48. Kh1 Qf1+ 49. Kh2 1/2-1/2

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.29"]
[Round "8"]
[White "Baskin, Robert"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2351"]
[BlackElo "2228"]
[PlyCount "97"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. d4 Nxd5 5. Nf3 g6 6. 0-0 Bg7 7. Be2 0-0 8. c4 N5f6 9. Nc3 c5 10. h3 cxd4 11. Nxd4 Nc5 12. Be3 Ne6 13. Nxe6 Bxe6 14. Qb3 Nd7 15. Rfd1 Qa5 16. Nd5 Rfe8 17. Bd2 Qd8 18. Bf4 Bxd5 19. Rxd5 e6 20. Rd2 Qc8 21. Rad1 Nc5 22. Qb5 a6 23. Qb6 e5 24. Be3 Ne6 25. Bf3 Rb8 26. Bd5 Nd4 27. Bxd4 exd4 28. Rd3 Re7 29. Rf3 Qc7 30. Rxf7 Qxb6 31. Rf6+ Re6 32. Rxe6 Qxe6 33. Bxe6+ Kf8 34. c5 Re8 35. Bd5 Re7 36. b4 Ke8 37. f3 Kd8 38. Be4 Kc7 39. Kf2 a5 40. bxa5 Kc8 41. Rb1 Rc7 42. a6 bxa6 43. c6 Bf8 44. Ke2 g5 45. Kd3 Bg7 46. Kc4 h5 47. Kc5 h4 48. Bf5+ Kd8 49. Bd7 1-0

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.28"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Wacker, Peter"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2228"]
[BlackElo "2335"]
[PlyCount "93"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nxe5 Qh4 9. Qf3 f6 10. Nc4 h5 11. d3 Bf7 12. g5 Be6 13. Kg2 b5 14. Na5 Bd6 15. Nxc6 Bg4 16. Qe3 fxg5 17. e5 Bc5 18. Qg3 Bd7 19. Na5 Qxg3+ 20. fxg3 g4 21. h4 0-0-0 22. Nb3 Bb6 23. Bg5 Bc6+ 24. Kh2 Re8 25. d4 Nf6 26. N1d2 a5 27. Bxf6 gxf6 28. Rxf6 Bd5 29. c3 a4 30. Nc1 b4 31. Ne2 a3 32. c4 axb2 33. Rb1 Rhf8 34. Rxf8 Rxf8 35. Kg1 Bf3 36. c5 Bxc5 37. dxc5 Bxe2 38. Rxb2 Re8 39. Rxb4 Rxe5 40. Re4 Rxe4 41. Nxe4 Bc4 42. a3 Bd3 43. Nf6 Bg6 44. Kf2 Kb7 45. Ke3 Kc6 46. Kd4 Kb5 47. Nd5 1-0

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.27"]
[Round "6"]
[White "Maris, Ivo"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2352"]
[BlackElo "2228"]
[PlyCount "67"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d4 0-0 6. 0-0 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qa5 10. Be3 exd4 11. Nxd4 Re8 12. Re1 Ne5 13. Qe2 Be6 14. Nxe6 Rxe6 15. Rac1 Rae8 16. c5 b5 17. cxd6 Nc4 18. f4 Nxe4 19. Nxe4 Nxd6 20. Nxd6 Rxe3 21. Nxe8 Rxe2 22. Rxe2 Bd4+ 23. Kh2 c5 24. Nd6 Qb6 25. Nc8 Qc7 26. Ne7+ Kg7 27. Nd5 Qd6 28. Re7 c4 29. Rce1 Bxb2 30. Rxa7 Bd4 31. Rb7 c3 32. Ree7 c2 33. Rxf7+ Kg8 34. Rfc7 1-0

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.26"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Soors, Stef"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2228"]
[BlackElo "2398"]
[PlyCount "96"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. c3 Bh5 8. 0-0 Ngf6 9. Nbd2 Bd6 10. Be2 b5 11. a4 a6 12. Nh4 Bg6 13. Nf5 Bxf5 14. exf5 0-0 15. Kh1 Qc7 16. axb5 axb5 17. Rxa8 Rxa8 18. g3 Rd8 19. Bf3 c5 20. Nb3 exd4 21. cxd4 c4 22. Nd2 Re8 23. Bg2 h5 24. Nf3 Ng4 25. Ng5 Ndf6 26. Qf3 b4 27. Bd2 Qb8 28. Rc1 Qa7 29. Rxc4 Qa1+ 30. Qf1 Qxb2 31. Qc1 Qa2 32. Rc2 Qa7 33. Rc8 Qxd4 34. h3 Nf2+ 35. Kh2 h4 36. Be3 hxg3+ 37. Kg1 Qd1+ 38. Qxd1 Nxd1 39. Rxe8+ Nxe8 40. Bd4 Nc7 41. Ne4 Nb5 42. Nxd6 Nxd4 43. Bd5 Ne3 44. Bxf7+ Kf8 45. Bh5 b3 46. Ne4 b2 47. Nd2 Ke7 48. Kh1 Kf6 0-1

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.24"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Lobzhanidze, Davit"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2228"]
[BlackElo "2425"]
[PlyCount "99"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. 0-0 Nge7 8. Nf4 0-0 9. h4 h6 10. g4 Rb8 11. g5 h5 12. Nce2 e5 13. Nxh5 gxh5 14. Ng3 Qd7 15. f3 f5 16. f4 exf4 17. Nxh5 fxe4 18. Nxg7 Kxg7 19. Rxf4 Rxf4 20. Bxf4 Ng6 21. Bg3 Qg4 22. Bxd6 Qxd1+ 23. Rxd1 Bg4 24. Bxb8 Bxd1 25. Bd6 exd3 26. cxd3 Nxh4 27. Bxc6 bxc6 28. Bxc5 a6 29. Kf2 Kf7 30. Ke3 Ke6 31. Kd2 Bg4 32. Kc3 Kd5 33. Be7 Ng6 34. Bf6 Nf4 35. d4 Bf5 36. Kb4 Bd3 37. Ka5 Ne6 38. g6 Bxg6 39. Kxa6 Nxd4 40. Kb6 Nc2 41. a4 Bd3 42. Be7 Ne3 43. b4 Nc4+ 44. Kb7 Ke6 45. Bc5 Kd5 46. Be7 Nd6+ 47. Bxd6 Kxd6 48. a5 Be4 49. Kb6 Bd3 50. a6 1/2-1/2

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.23"]
[Round "3"]
[White "Pajeken, Wolfgang"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2304"]
[BlackElo "2228"]
[PlyCount "94"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. e3 cxd4 6. exd4 Nf6 7. Be2 0-0 8. 0-0 d5 9. c5 b6 10. b4 a5 11. Na4 bxc5 12. bxc5 Ba6 13. Nb6 Bxe2 14. Qxe2 Ra7 15. Bf4 Nbd7 16. Rab1 Ne4 17. Rfc1 g5 18. Nxd7 Qxd7 19. Bxg5 Qf5 20. Be3 Nc3 21. Qb2 Nxb1 22. Rxb1 Raa8 23. h3 Rfc8 24. a4 Rxc5 25. Qb7 Rcc8 26. Rb5 e6 27. Rxa5 Rab8 28. Qd7 Rd8 29. Qc7 Qb1+ 30. Kh2 Bf8 31. Bf4 Rbc8 32. Qa7 Qf5 33. Bg3 Bd6 34. Bxd6 Rxd6 35. Rc5 Rdd8 36. Rxc8 Rxc8 37. Qb7 Qf4+ 38. g3 Qc7 39. Qa6 Qc6 40. Qa7 Qc7 41. Qa6 Rb8 42. Qd3 Qc1 43. g4 Qb1 44. Qe3 Rb3 45. Qg5+ Qg6 46. Qd8+ Kg7 47. Ng5 h6 0-1

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.22"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Berkovich, Mark A"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2228"]
[BlackElo "2353"]
[PlyCount "69"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. cxd4 Bg7 8. d5 Na5 9. 0-0 0-0 10. Nbd2 d6 11. Rb1 b5 12. Bc2 c5 13. b4 cxb4 14. Rxb4 Qc7 15. Bb2 Bxb2 16. Rxb2 Qc3 17. Qb1 Bg4 18. a4 Nc4 19. Nxc4 bxc4 20. Bd1 Bxf3 21. Bxf3 Qf6 22. Bg4 c3 23. Rb3 h5 24. Be2 Rfc8 25. Rc1 Qd4 26. Qd3 Qxa4 27. Rbxc3 Rxc3 28. Rxc3 Qa1+ 29. Bf1 a5 30. Rc7 Qf6 31. Qb5 g5 32. Qb7 Re8 33. Qb5 Ra8 34. Qb7 Re8 35. Qb5 1/2-1/2

[Event "Groningen op-A 53rd"]
[Site "Groningen"]
[Date "2015.12.21"]
[Round "1"]
[White "Chaurette, Laurent"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1987"]
[BlackElo "2228"]
[PlyCount "110"]
[EventDate "2015.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. Bd3 c5 5. dxc5 Qa5+ 6. Bd2 Qxc5 7. Bc3 Nf6 8. 0-0 0-0 9. h3 Nc6 10. Nbd2 e5 11. Re1 b5 12. a4 b4 13. Nb3 Qb6 14. Bd2 a5 15. Bb5 Bb7 16. Bg5 Na7 17. Bxf6 Bxf6 18. Bd3 d5 19. exd5 Bxd5 20. Be4 Bxe4 21. Rxe4 Rfd8 22. Qe2 Nc6 23. Qb5 Rab8 24. Qxb6 Rxb6 25. Nbd2 Nd4 26. Rc1 Nxf3+ 27. Nxf3 Rd5 28. c3 bxc3 29. bxc3 Rc5 30. Kf1 Bg7 31. Nd2 Bh6 32. Rc2 Bxd2 33. Rxd2 Rb3 34. Rc2 Ra3 35. Rce2 Rcxc3 36. Rxe5 Rc1+ 37. Re1 Rxe1+ 38. Kxe1 Rxa4 39. Re8+ Kg7 40. Ra8 g5 41. g3 h5 42. Kf1 Ra1+ 43. Kg2 a4 44. Ra6 a3 45. Ra5 f6 46. Ra6 Kf7 47. f4 g4 48. hxg4 hxg4 49. Kh2 Ke7 50. f5 Kd7 51. Ra4 Ra2+ 52. Kg1 Kd6 53. Kf1 Ke5 54. Ke1 Ra1+ 55. Kd2 a2 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "4"]
[White "Galchenko, Matvey"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2184"]
[BlackElo "2263"]
[PlyCount "89"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. g3 d5 4. Bg2 c6 5. 0-0 Nf6 6. d3 0-0 7. Nc3 d4 8. Ne4 Nxe4 9. dxe4 c5 10. e5 Nc6 11. e3 Bg4 12. h3 Be6 13. Ng5 Bd5 14. Ne4 b6 15. c3 f5 16. exf6 exf6 17. exd4 f5 18. Ng5 Bxg2 19. Kxg2 Qd5+ 20. Qf3 Qxf3+ 21. Nxf3 cxd4 22. Bd2 dxc3 23. Bxc3 Bxc3 24. bxc3 Rad8 25. Rad1 Rfe8 26. Kf2 Kf7 27. g4 fxg4 28. hxg4 Kf6 29. Rh1 Rxd1 30. Rxd1 Rd8 31. Rh1 Kg7 32. Ng5 Rd2+ 33. Ke3 Rxa2 34. Rxh7+ Kg8 35. Rc7 Na5 36. Ne6 Ra3 37. f5 gxf5 38. gxf5 Ra1 39. Kf4 Nb3 40. Ke5 Nd2 41. f6 Re1+ 42. Kf5 Rf1+ 43. Kg6 Rg1+ 44. Ng5 Ne4 45. Rc8# 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "1"]
[White "Jina, Taran"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1779"]
[BlackElo "2263"]
[PlyCount "74"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 d6 4. Bg2 Nd7 5. 0-0 Ngf6 6. c4 0-0 7. Nc3 c6 8. Qc2 Qc7 9. b4 e5 10. a4 exd4 11. Nxd4 Ne5 12. c5 dxc5 13. bxc5 Qe7 14. Ne4 Nxe4 15. Bxe4 Nd7 16. Be3 Nxc5 17. Bg2 Ne6 18. Nxe6 Bxe6 19. Rab1 Bf5 20. Qc5 Qxc5 21. Bxc5 Bxb1 22. Bxf8 Bc2 23. Bxg7 Kxg7 24. Rc1 Bxa4 25. Rb1 Bb5 26. Kf1 a5 27. Be4 a4 28. Bc2 Ra7 29. Ke1 Bc4 30. Rb4 b5 31. Bd3 Bxd3 32. exd3 a3 33. Rb1 b4 34. Kd2 b3 35. Kc3 b2 36. Re1 Rb7 37. Kc2 a2 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "8"]
[White "Klukin, Kirill"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2264"]
[BlackElo "2263"]
[PlyCount "117"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 c6 5. Bg5 Qc7 6. e3 Nf6 7. Be2 0-0 8. 0-0 e5 9. Qc2 Re8 10. Rfd1 Bf5 11. Qb3 Ne4 12. Nxe4 Bxe4 13. Rac1 Nd7 14. Bh4 Bf5 15. Bg3 exd4 16. Nxd4 Nc5 17. Qa3 Bxd4 18. Rxd4 Ne4 19. Bxd6 Nxd6 20. Qxd6 Qb6 21. Qa3 c5 22. Rd2 Be4 23. f3 Bf5 24. e4 Be6 25. Rcd1 Rad8 26. Qe3 Rxd2 27. Rxd2 Qc7 28. Qg5 b6 29. b3 Kg7 30. Qg3 Qe7 31. Qe5+ Kg8 32. Qf4 Rd8 33. g3 Rd7 34. Kf2 Qd8 35. Rxd7 Qxd7 36. Qb8+ Kg7 37. Qe5+ Kg8 38. Qb8+ Kg7 39. Qe5+ f6 40. Qc3 Bf7 41. Bf1 h5 42. a3 Qd1 43. b4 cxb4 44. axb4 Qb1 45. c5 Qa2+ 46. Kg1 bxc5 47. bxc5 Qe6 48. c6 Qc8 49. c7 Be6 50. Qc6 Bd7 51. Qd6 Qe8 52. Ba6 Bc8 53. Bxc8 Qxc8 54. Qd8 Qb7 55. c8Q Qb1+ 56. Kg2 Qb2+ 57. Kh3 Kh6 58. Qh8+ Kg5 59. f4# 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "5"]
[White "Nguyen, Lucas"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1810"]
[BlackElo "2263"]
[PlyCount "56"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. exd5 Nxd5 11. Nxd5 cxd5 12. c3 e5 13. 0-0-0 Be6 14. Bc5 Re8 15. Bb5 Qa5 16. Bxe8 Qxc5 17. Ba4 d4 18. Kb1 Qa5 19. Bb3 Bf5+ 20. Bc2 Be6 21. Bb3 Bf5+ 22. Ka1 Rb8 23. cxd4 Qa6 24. Bc2 Be6 25. b3 exd4 26. Qd3 Qa3 27. Kb1 Bf5 28. Qc4 d3 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Galchenko, Vadim"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2263"]
[BlackElo "2024"]
[PlyCount "93"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 f5 2. Bg2 Nf6 3. Nf3 g6 4. 0-0 Bg7 5. d3 0-0 6. Re1 d6 7. Nc3 e5 8. e4 fxe4 9. dxe4 Nc6 10. h3 h6 11. Kh2 Be6 12. Qe2 Qd7 13. Be3 Qf7 14. Nd2 Ne7 15. Nb5 Nc6 16. c4 a6 17. Nc3 Nd4 18. Qd3 c5 19. Nd5 Nxd5 20. cxd5 Bd7 21. Nc4 Qe7 22. Bxd4 exd4 23. f4 b5 24. Nb6 Rae8 25. Nxd7 Qxd7 26. a4 c4 27. Qd2 c3 28. bxc3 dxc3 29. Qc2 b4 30. a5 Qb7 31. Qb3 Rb8 32. e5 dxe5 33. fxe5 Rf2 34. Kg1 Qa7 35. Kh1 Qd4 36. Rad1 Rd2 37. e6 c2 38. Qxc2 Rxc2 39. Rxd4 Bxd4 40. d6 b3 41. e7 b2 42. d7 b1Q 43. e8Q+ Kh7 44. d8Q Rxd8 45. Qf7+ Bg7 46. Rxb1 Rdd2 47. Rb7 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "3"]
[White "Ypma, Peter"]
[Black "Meijer, Dolf"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2263"]
[BlackElo "2216"]
[PlyCount "77"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 f5 2. Bg2 Nf6 3. Nf3 d6 4. d3 e5 5. Nc3 Be7 6. e4 0-0 7. 0-0 Nc6 8. h3 Be6 9. Kh2 Kh8 10. Ng5 Bg8 11. exf5 Nd4 12. g4 c6 13. Nge4 d5 14. Nxf6 Bxf6 15. Kg1 g6 16. fxg6 hxg6 17. Ne2 Bg7 18. Nxd4 exd4 19. Qd2 Qd6 20. Qg5 Rae8 21. Qh4+ Bh7 22. Bg5 Re2 23. Rae1 Rfe8 24. Rxe2 Rxe2 25. f4 Rxc2 26. Re1 Kg8 27. Re8+ Kf7 28. Re7+ Kg8 29. Re8+ Kf7 30. Qxh7 Kxe8 31. Qxg7 Qe6 32. Qxd4 Qe2 33. Qh8+ Kf7 34. Qh7+ Kf8 35. Bh6+ Ke8 36. Qxg6+ Kd7 37. Qf7+ Kc8 38. Qf5+ Kc7 39. Qe5+ 1/2-1/2

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "6"]
[White "Ypma, Peter"]
[Black "Pols, Wiggert"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2263"]
[BlackElo "1865"]
[PlyCount "93"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 0-0 6. Nge2 e5 7. 0-0 Nc6 8. d5 Ne7 9. f4 Nd7 10. Kh1 exf4 11. gxf4 f5 12. e5 dxe5 13. d6 cxd6 14. Qxd6 e4 15. Rd1 Rf6 16. Qa3 Qf8 17. Be3 Nc6 18. Qb3+ Qf7 19. Nd5 Rd6 20. Ne7+ Nxe7 21. Rxd6 Qxb3 22. axb3 Nc6 23. Rad1 Nf6 24. Nd4 Ng4 25. Bg1 Nxd4 26. Rd8+ Kf7 27. Bxd4 Bxd4 28. R1xd4 Nf6 29. Rc4 Nh5 30. Rcxc8 Rxc8 31. Rxc8 Nxf4 32. Kg1 Kf6 33. Rc7 Ke5 34. Rxh7 Kd4 35. Rxb7 Ke3 36. Rxa7 Ne2+ 37. Kf1 Nd4 38. Rc7 Ne2 39. c3 Nf4 40. b4 Nd3 41. b5 f4 42. b6 f3 43. b7 fxg2+ 44. Kxg2 Kd2 45. b8Q e3 46. Re7 e2 47. Qd6 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Van Dijk, Harold"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2263"]
[BlackElo "2289"]
[PlyCount "77"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. f4 0-0 6. Nc3 e5 7. dxe5 dxe5 8. Be3 Nc6 9. Bc5 Re8 10. Qxd8 Rxd8 11. Nd5 exf4 12. Nxc7 Rb8 13. e5 Nd7 14. Bd6 Bxe5 15. 0-0-0 fxg3 16. Bxc6 bxc6 17. Bxe5 g2 18. Nf3 gxh1Q 19. Rxh1 Nxe5 20. Nxe5 Rb7 21. Na6 Rb5 22. Nxc6 Re8 23. Nc7 Bb7 24. Nxe8 Bxc6 25. Re1 Rg5 26. Nd6 Rg2 27. Re7 Bd5 28. c4 Be6 29. c5 Rg5 30. b4 a5 31. a3 axb4 32. axb4 Rg4 33. c6 Rxb4 34. Rxe6 Rb6 35. Re8+ Kg7 36. Rc8 Kf6 37. Nc4 Rb5 38. Kd2 Ke6 39. Re8+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2015.07.30"]
[Round "9"]
[White "Ypma, Peter"]
[Black "Beukema, Stefan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2246"]
[BlackElo "2363"]
[PlyCount "121"]
[EventDate "2015.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g3 f5 2. e4 fxe4 3. d3 exd3 4. Bxd3 Nf6 5. g4 g6 6. g5 Nh5 7. Ne2 d5 8. Ng3 Nxg3 9. hxg3 Qd6 10. Nc3 c6 11. Bf4 e5 12. Qe2 Bg7 13. 0-0-0 Bf5 14. Bxf5 gxf5 15. Rh6 Qe7 16. Qh5+ Kd8 17. Re1 Nd7 18. Rxh7 Rxh7 19. Qxh7 d4 20. Nd1 Qf8 21. Bd2 Kc7 22. Kb1 Qf7 23. Qh1 Rh8 24. Qg2 Qh5 25. c3 Nc5 26. g4 fxg4 27. cxd4 Qg6+ 28. Ka1 Qc2 29. Ne3 Qxd2 30. Rd1 Nb3+ 31. axb3 Qa5+ 32. Kb1 exd4 33. Qxg4 dxe3 34. Qd7+ Kb6 35. Qxg7 e2 36. Qd4+ Qc5 37. Qxc5+ Kxc5 38. Re1 Rg8 39. f4 Rf8 40. Rxe2 Rxf4 41. Re7 Kb6 42. g6 Rg4 43. g7 a5 44. Kc2 Ka6 45. Rc7 Kb6 46. Rf7 c5 47. Kd3 Kc6 48. Ke3 b5 49. Kf3 Rg1 50. Ke4 c4 51. bxc4 bxc4 52. Kf5 Kb5 53. Kf6 a4 54. Rb7+ Kc5 55. Kf7 c3 56. bxc3 Kc4 57. Rc7+ Kb3 58. g8Q Rxg8 59. Kxg8 a3 60. c4 a2 61. Ra7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2015.07.29"]
[Round "8"]
[White "Buckels, Valentin"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2152"]
[BlackElo "2246"]
[PlyCount "93"]
[EventDate "2015.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 e5 5. Nc3 Nc6 6. dxe5 Nxe5 7. Nxe5 Bxe5 8. Bg2 c6 9. 0-0 Be6 10. Qd3 h5 11. Rd1 h4 12. Ne4 hxg3 13. hxg3 Qa5 14. Bd2 Qc7 15. Bc3 0-0-0 16. c5 f6 17. cxd6 Qh7 18. f3 Bxc3 19. Qxc3 Bh3 20. Qa5 Bxg2 21. Kxg2 f5 22. Rh1 Qg7 23. Rxh8 fxe4 24. Qc7+ Qxc7 25. dxc7 Kxc7 26. Rah1 exf3+ 27. Kxf3 Rf8+ 28. Kg2 Re8 29. R1h7+ Kb6 30. Rg7 Rxe2+ 31. Kf3 Rxb2 32. Rhxg8 a5 33. a4 Rb4 34. g4 g5 35. Rxg5 Rxa4 36. Ra8 Ra1 37. Rgxa5 Rxa5 38. Rxa5 Kxa5 39. g5 b5 40. g6 c5 41. g7 c4 42. g8Q Kb4 43. Ke2 Kc3 44. Kd1 b4 45. Kc1 b3 46. Qg3+ Kb4 47. Kb2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2015.07.28"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2246"]
[BlackElo "2317"]
[PlyCount "87"]
[EventDate "2015.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d6 3. d4 Nd7 4. e4 Ngf6 5. Ne2 g6 6. 0-0 exd4 7. b4 Bg7 8. Bb2 0-0 9. Bxd4 a5 10. a3 axb4 11. axb4 Rxa1 12. Bxa1 Re8 13. Nd2 Ne5 14. c4 Bg4 15. h3 Bxe2 16. Qxe2 Qa8 17. c5 dxc5 18. f4 Nh5 19. Kh2 Nc6 20. Bxg7 Nxg7 21. bxc5 Ne6 22. e5 Qa2 23. Rf2 Ra8 24. Ne4 Qxe2 25. Rxe2 Ra5 26. Rb2 Ncd8 27. Rd2 Kg7 28. h4 Nc6 29. Rd7 Nb8 30. Rd2 Na6 31. Rd7 Naxc5 32. Nxc5 Rxc5 33. Bxb7 Rc2+ 34. Kg1 Rc1+ 35. Kg2 Rc2+ 36. Kg1 Rc1+ 37. Kg2 c6 38. Rd6 Rc2+ 39. Kf1 c5 40. Bd5 Nd4 41. Rd7 Nf5 42. Rxf7+ Kh6 43. Rxf5 Rc1+ 44. Ke2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2015.07.27"]
[Round "6"]
[White "Beukema, Jasper"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1942"]
[BlackElo "2246"]
[PlyCount "86"]
[EventDate "2015.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. f4 a6 4. Nf3 b5 5. d4 d6 6. Be3 Nd7 7. Bd3 Bb7 8. 0-0 c5 9. e5 Nh6 10. exd6 exd6 11. dxc5 Nxc5 12. f5 Nxd3 13. Bxh6 Bxh6 14. Qxd3 0-0 15. Rad1 Rc8 16. Ne4 Bxe4 17. Qxe4 Qe8 18. Qh4 Qe3+ 19. Kh1 Qf4 20. Qh3 Bg7 21. c3 Qxf5 22. Qxf5 gxf5 23. Rxd6 Rfe8 24. Rxa6 Re2 25. Rb1 b4 26. cxb4 Rxb2 27. Rd1 Rxb4 28. a4 h6 29. h3 Rb2 30. Rd7 Rcc2 31. Ra8+ Kh7 32. Rxf7 Rxg2 33. Rxf5 Rgc2 34. Rf4 h5 35. Ra5 Rc1+ 36. Ng1 Kg6 37. Rf3 Kh6 38. Rff5 Rcc2 39. Rxh5+ Kg6 40. Rhg5+ Kh6 41. Nf3 Rf2 42. Raf5 Rxf3 43. Rh5+ Kg6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2015.07.25"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Roorda, Thijs"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2246"]
[BlackElo "2103"]
[PlyCount "143"]
[EventDate "2015.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 c5 6. 0-0 cxd4 7. Nxd4 0-0 8. c4 Qc7 9. b3 Ng4 10. Bb2 Qc5 11. Na3 Nc6 12. Nac2 Nce5 13. h3 Nf6 14. f4 Nc6 15. Kh2 Bd7 16. Rb1 Rad8 17. Re1 Rfe8 18. Nxc6 Bxc6 19. Bd4 Qa5 20. b4 Qxa2 21. Qd3 b5 22. cxb5 Bxb5 23. Qxb5 Qxc2 24. Rbc1 Qa2 25. Re2 Qa3 26. Ra1 Qb3 27. Rb2 Qe6 28. Qd3 Rc8 29. Rxa7 Rc1 30. Bxf6 Bxf6 31. e5 dxe5 32. Bd5 Rc3 33. Qxc3 Qxd5 34. Ra5 exf4 35. Rxd5 Bxc3 36. Rb3 fxg3+ 37. Kxg3 e6 38. Rd7 Be1+ 39. Kf3 Rb8 40. b5 Ba5 41. Ke4 Kf8 42. Kd3 Ke8 43. Rd6 Ke7 44. Rc6 Bb6 45. Kc4 g5 46. Ra3 h5 47. Ra6 Bd8 48. b6 Kd7 49. Kb5 g4 50. Ra7+ Ke8 51. b7 Kd7 52. hxg4 hxg4 53. Rc2 f5 54. Ka6 Bc7 55. Ra8 g3 56. Ka7 Rxb7+ 57. Kxb7 Bd6 58. Rd2 Ke7 59. Kc6 Bb4 60. Rg2 Be1 61. Kc5 f4 62. Re2 Bf2+ 63. Rxf2 gxf2 64. Ra1 Kf6 65. Kd4 Kf5 66. Kd3 Kg4 67. Ke2 Kg3 68. Ra8 f3+ 69. Kf1 e5 70. Rg8+ Kf4 71. Kxf2 e4 72. Re8 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2015.06.21"]
[Round "6"]
[White "De Jong, Jan Willem"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2449"]
[BlackElo "2261"]
[PlyCount "41"]
[EventDate "2015.06.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 e5 5. Bg5 Ne7 6. Nc3 exd4 7. Nxd4 h6 8. Be3 Nbc6 9. Be2 0-0 10. Qd2 Kh7 11. 0-0-0 f5 12. exf5 Nxf5 13. Nxf5 Bxf5 14. g4 Be6 15. f4 Na5 16. f5 gxf5 17. gxf5 Nxc4 18. Bxc4 Bxc4 19. Rhg1 Qf6 20. Rg4 d5 21. Bd4 1-0

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.25"]
[Round "7"]
[White "Hulshof, Peter"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2154"]
[BlackElo "2260"]
[PlyCount "37"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. f4 Nge7 7. Nf3 d5 8. e5 f6 9. exf6 Bxf6 10. 0-0 0-0 11. g4 Nd4 12. Nxd4 Bxd4+ 13. Kh1 Bg7 14. Qe1 Bd7 15. Ne2 Bc6 16. Ng3 Qd6 17. Qe2 Rae8 18. c3 Bh6 19. Qe5 1/2-1/2

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.25"]
[Round "6"]
[White "Ypma, Peter"]
[Black "Meijer, Dolf"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2260"]
[BlackElo "2223"]
[PlyCount "115"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. Qc2 Bd6 7. Bf4 Bxf4 8. gxf4 Ne4 9. Nbd2 f5 10. 0-0 0-0 11. b4 Rf6 12. b5 Rh6 13. bxc6 bxc6 14. Qa4 Nb6 15. Qa3 Qc7 16. e3 Nxd2 17. Nxd2 g5 18. Qa5 gxf4 19. c5 fxe3 20. Nf3 Rb8 21. cxb6 axb6 22. Qa3 exf2+ 23. Rxf2 Rg6 24. Rc1 Bb7 25. Qe3 Qd6 26. Qe5 Qf8 27. Qc7 Ba8 28. Ne5 Rg7 29. Nd7 Re8 30. Rc3 Qe7 31. Rg3 Kh8 32. Rxg7 Qxg7 33. Qe5 Qxe5 34. dxe5 c5 35. Nxb6 Bc6 36. a4 c4 37. a5 Re7 38. Nxc4 dxc4 39. Bxc6 Rc7 40. Bf3 c3 41. Rc2 Ra7 42. Rxc3 Rxa5 43. Re3 Kg7 44. Kf2 Kg6 45. Bd1 Rc5 46. Bb3 Kg5 47. Bxe6 Kf4 48. Rf3+ Kxe5 49. Bxf5 Rc7 50. Bd3 Rc6 51. Rh3 h6 52. Rh5+ Kd6 53. Rxh6+ Kc7 54. Rh8 Rc3 55. Ke3 Kd7 56. h4 Ke7 57. h5 Kf7 58. h6 1-0

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.24"]
[Round "5"]
[White "Ismail, Tamer"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2093"]
[BlackElo "2260"]
[PlyCount "88"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 Bg7 8. Be3 0-0 9. Qd2 d6 10. Be2 Be6 11. 0-0 Qa5 12. Rac1 Rfc8 13. b3 a6 14. f3 b5 15. Nd5 Qxd2 16. Bxd2 Nxd5 17. cxd5 Bd4+ 18. Kh1 Bd7 19. Rxc8+ Rxc8 20. Rc1 Rxc1+ 21. Bxc1 f5 22. Bd3 Kf7 23. g3 fxe4 24. fxe4 Bh3 25. Bd2 Bb6 26. Bc3 h5 27. e5 e6 28. Be4 dxe5 29. Bxe5 exd5 30. Bxd5+ Be6 31. Bc6 Bh3 32. Bg2 Bxg2+ 33. Kxg2 Ke6 34. Bc3 Kf5 35. Kf3 g5 36. h3 g4+ 37. hxg4+ hxg4+ 38. Ke2 Ke4 39. Be1 Bc7 40. a3 Kd4 41. Kd2 Ba5+ 42. b4 Bc7 43. Ke2 Ke4 44. Bf2 Be5 0-1

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.24"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Boons, Bert"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2260"]
[BlackElo "2000"]
[PlyCount "45"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Qd3 e5 6. Nf3 Nbd7 7. Bd2 Qc7 8. 0-0-0 b5 9. Kb1 Bb7 10. fxe5 dxe5 11. dxe5 Ng4 12. e6 fxe6 13. Nxb5 cxb5 14. Ba5 Qc6 15. Nd4 Qxe4 16. Qxb5 Ne3 17. Bc4 Nxc4 18. Qxc4 Bd5 19. Qa4 Rc8 20. Rhe1 Qg4 21. h3 Rc4 22. Qb5 Rc5 23. hxg4 1-0

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.23"]
[Round "3"]
[White "Jacobs, Florian"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2177"]
[BlackElo "2260"]
[PlyCount "83"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d6 2. e4 c5 3. d5 Nf6 4. f3 g6 5. c4 b5 6. a4 bxc4 7. Ne2 Nbd7 8. Nec3 Ne5 9. Na3 Bg7 10. Nxc4 Nxc4 11. Bxc4 0-0 12. 0-0 Rb8 13. Qe2 e6 14. dxe6 Bxe6 15. Bxe6 fxe6 16. e5 dxe5 17. Rd1 Qb6 18. a5 Qc6 19. Bg5 e4 20. fxe4 Nd7 21. Rf1 Ne5 22. Be3 a6 23. Rxf8+ Rxf8 24. Rf1 Rxf1+ 25. Kxf1 Qd6 26. Na4 c4 27. Nb6 Qd3 28. Qxd3 cxd3 29. b4 Ng4 30. Bg1 Be5 31. b5 axb5 32. a6 Bb8 33. Nd7 b4 34. Nxb8 b3 35. Bd4 Ne3+ 36. Ke1 Nc2+ 37. Kd2 Nxd4 38. a7 b2 39. a8Q Nb3+ 40. Kc3 b1Q 41. Nd7+ Kg7 42. Qf8# 1-0

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.23"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Lentjes, Noud"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2260"]
[BlackElo "2091"]
[PlyCount "64"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. b3 c5 3. Bb2 Nc6 4. f4 Nf6 5. e5 Nd5 6. g3 d6 7. Nf3 dxe5 8. fxe5 b6 9. Nc3 Nxc3 10. Bxc3 Bb7 11. Bd3 Be7 12. Qe2 Qd7 13. 0-0-0 0-0-0 14. Rhf1 Kb8 15. Ba6 Nd4 16. Nxd4 cxd4 17. Bb2 Bxa6 18. Qxa6 f6 19. Rde1 f5 20. Rf4 Bc5 21. h4 Rhg8 22. Qc4 Qd5 23. Qxd5 Rxd5 24. b4 Bxb4 25. Rxd4 Rxd4 26. Bxd4 Bc5 27. Bxc5 bxc5 28. Re3 Rd8 29. Rb3+ Kc7 30. Ra3 Kb6 31. Rb3+ Kc6 32. Ra3 Kb6 1/2-1/2

[Event "Maastricht Limburg op-A 9th"]
[Site "Maastricht"]
[Date "2015.05.22"]
[Round "1"]
[White "Burg, Twan"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2507"]
[BlackElo "2260"]
[PlyCount "59"]
[EventDate "2015.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. d4 Bg4 6. Bb5 Qb6 7. Bxc6+ bxc6 8. dxc5 Qxc5 9. 0-0 Bg7 10. Re1 Qb6 11. Nbd2 h5 12. h3 Bc8 13. Qc2 Bf5 14. Qa4 Bd7 15. Nb3 c5 16. Qa3 c4 17. Nc5 e6 18. Nxd7 Kxd7 19. Nd4 Ne7 20. Bg5 Bf8 21. b3 Nc6 22. Qa4 cxb3 23. Rab1 Bc5 24. Rxb3 Bxd4 25. cxd4 Qc7 26. Rc1 Rhc8 27. Qa3 Rcb8 28. Rxc6 Qxc6 29. Qe7+ Kc8 30. Qd8# 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.07"]
[Round "6"]
[White "Evengroen, Henk Jan"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2204"]
[BlackElo "2237"]
[PlyCount "107"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. e3 Be7 4. Nc3 f5 5. Be2 Nf6 6. Nf3 e4 7. Nd2 c6 8. f3 d5 9. cxd5 cxd5 10. Qb3 Nc6 11. 0-0 0-0 12. fxe4 fxe4 13. Rxf6 Bxf6 14. Nxd5 Be6 15. Bc4 Na5 16. Nxf6+ Qxf6 17. Bxe6+ Kh8 18. Qd1 Qxe6 19. b3 Nc6 20. Ba3 Rf5 21. Qc2 Re8 22. Nc4 Rd5 23. Rf1 b5 24. Nd2 b4 25. Bb2 Ne7 26. Rf4 Ng8 27. Qxe4 Qxe4 28. Nxe4 g5 29. Nxg5 Rxe3 30. Kf2 Re7 31. Ne4 Rc7 32. Nc5 Re7 33. Nd3 a5 34. g4 Kg7 35. Kf3 Nh6 36. h4 Nf7 37. g5 Nd6 38. h5 Nf7 39. h6+ Kg8 40. Ne5 Nxe5+ 41. dxe5 Rd2 42. Bd4 Rf7 43. Bc5 Rxa2 44. e6 Rxf4+ 45. Kxf4 Ra1 46. g6 Rf1+ 47. Kg5 a4 48. bxa4 b3 49. gxh7+ Kxh7 50. Ba3 Re1 51. Kf6 Rf1+ 52. Kg5 Re1 53. Kf6 Rf1+ 54. Kg5 1/2-1/2

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.06"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Tate, Emory"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2237"]
[BlackElo "2300"]
[PlyCount "54"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. b3 b6 3. Bb2 Bb7 4. Bd3 Nf6 5. Qe2 d5 6. e5 Nfd7 7. f4 Nc5 8. Nf3 Be7 9. f5 Nxd3+ 10. cxd3 exf5 11. Nd4 g6 12. h4 c5 13. Nf3 d4 14. h5 g5 15. e6 fxe6 16. Qxe6 Qd5 17. Qh6 Nc6 18. Nc3 dxc3 19. Bxc3 Nd4 20. 0-0-0 Ne2+ 21. Kb1 Nxc3+ 22. dxc3 0-0-0 23. Qg7 Rde8 24. Rhe1 Bd8 25. Rxe8 Rxe8 26. Qxh7 g4 27. c4 Qd7 0-1

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.05"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Van Assendelft, Floris"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2237"]
[BlackElo "2353"]
[PlyCount "161"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 d6 4. Ne2 Bg4 5. h3 Bxe2 6. Qxe2 g6 7. c3 Bg7 8. d3 Nf6 9. 0-0 e5 10. f4 exf4 11. e5 dxe5 12. Bxc6+ bxc6 13. Qxe5+ Qe7 14. Qxe7+ Kxe7 15. Bxf4 Rhd8 16. Rf3 Rd5 17. Na3 Rad8 18. Nc4 Nh5 19. Be3 f5 20. g4 Nf6 21. gxf5 gxf5 22. Re1 Kd7 23. Bf4 Nh5 24. Bg5 Re8 25. Rxe8 Kxe8 26. Re3+ Kf8 27. Be7+ Kf7 28. Bd6 Bf6 29. Kf2 Bh4+ 30. Ke2 Bg5 31. Rf3 Ke6 32. Bb8 Rd8 33. Bh2 f4 34. Nd2 Kf5 35. Ne4 Be7 36. b3 Rg8 37. Bxf4 Rg2+ 38. Ke3 Ke6 39. Rf2 Rg1 40. Bb8 Rh1 41. Rh2 Re1+ 42. Re2 Rh1 43. Nf2 Rf1 44. Kf3+ Kd7 45. Re4 Nf6 46. Ra4 Nd5 47. Rxa7+ Ke6 48. Kg2 Ne3+ 49. Kf3 Nd5 50. c4 Nb4 51. Ke2 Rb1 52. Bg3 Nc2 53. Kf3 Ne1+ 54. Kg4 Nc2 55. Ra8 Rg1 56. Ne4 Rd1 57. Nf2 Rg1 58. Rh8 Ne3+ 59. Kf3 Nf5 60. Ne4 h6 61. Bf2 Rh1 62. a4 Rxh3+ 63. Ke2 Rh1 64. Nxc5+ Kf7 65. Ne4 Rb1 66. a5 Rb2+ 67. Kf3 Ra2 68. Ra8 h5 69. a6 Bh4 70. Nd6+ Ke6 71. Nxf5 Rxf2+ 72. Ke4 Re2+ 73. Ne3 Bg5 74. a7 Rxe3+ 75. Kd4 c5+ 76. Kxc5 Kf7 77. Rh8 Re5+ 78. Kc6 Re6+ 79. Kb5 Re5+ 80. c5 Be3 81. b4 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.04"]
[Round "3"]
[White "Van der Pluijm, Dik"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1801"]
[BlackElo "2237"]
[PlyCount "44"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. Nc3 Nf6 5. e3 Be7 6. d4 0-0 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nge2 c6 10. e4 Na6 11. 0-0 Nc5 12. Bg5 fxe4 13. Bxf6 gxf6 14. Bxe4 Rd2 15. Bf3 Rxb2 16. Rab1 Rxb1 17. Nxb1 Be6 18. Rc1 Rd8 19. Kg2 Nd3 20. Rh1 Bc5 21. Nbc3 Nxf2 22. Rb1 Bh3+ 0-1

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Vreugdenhil, Frans"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2237"]
[BlackElo "1842"]
[PlyCount "104"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. c3 Kh8 8. Nbd2 Ng8 9. d4 Bg4 10. h3 Bh5 11. d5 Nb8 12. g4 Bg6 13. Nf1 f6 14. Ng3 Be8 15. Be3 g6 16. Bd3 Bd7 17. Nd2 Rf7 18. b4 Bf8 19. a4 Bh6 20. Nc4 Bxe3 21. Nxe3 Be8 22. a5 Nd7 23. c4 Rc8 24. Ra3 Nb8 25. c5 Rg7 26. a6 bxa6 27. c6 Ne7 28. Kh2 Bf7 29. Qc2 Qe8 30. Rc1 Rd8 31. b5 Nc8 32. bxa6 Nb6 33. Ra5 Rc8 34. Qe2 Qe7 35. Qf3 Be8 36. Ra3 Qf8 37. Bb5 Rf7 38. Nc4 Qh6 39. Qe3 Qf8 40. Ra2 Kg7 41. Nd2 Kh8 42. Nf3 Kg7 43. h4 h6 44. Kg2 g5 45. Nf5+ Kg8 46. Rh1 Rh7 47. hxg5 hxg5 48. Nxg5 fxg5 49. Rxh7 Kxh7 50. Qxg5 Bg6 51. Ra3 Qf7 52. Rh3+ Kg8 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.02"]
[Round "1"]
[White "Gajadhor Sukul, Vashish"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1596"]
[BlackElo "2237"]
[PlyCount "66"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. Nge2 Bg7 4. g3 Nc6 5. Bg2 e6 6. d3 Nge7 7. Bg5 0-0 8. 0-0 b5 9. Nxb5 Rb8 10. Nd6 Rxb2 11. Nc4 Rb4 12. a3 Rb8 13. Bf4 Rb5 14. Nd6 Rb6 15. Nc4 Ra6 16. Bd6 Bxa1 17. Qxa1 Na5 18. Qf6 Nec6 19. Qf4 Nxc4 20. Bxf8 e5 21. Qh6 Qxf8 22. Qxf8+ Kxf8 23. dxc4 Rxa3 24. Rb1 Ba6 25. Bh3 Ke7 26. Rd1 d6 27. f4 Bxc4 28. fxe5 Bxe2 29. exd6+ Kd8 30. Re1 Bc4 31. e5 Nb4 32. c3 Rxc3 33. Ra1 Na2 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.04.25"]
[Round "9.8"]
[White "Ypma, Peter"]
[Black "Van der Stricht, Geert"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2209"]
[BlackElo "2379"]
[PlyCount "104"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Calder HMC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. Nf3 Bg4 5. Ne5 Bf5 6. c4 e6 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 Nbd7 10. Nxd7 Nxd7 11. Nc3 e5 12. e4 exd4 13. Nxd5 cxd5 14. exf5 Bxc5 15. Bxd5 0-0 16. 0-0 Nf6 17. Bf3 Rfd8 18. Re1 Bb4 19. Rd1 d3 20. Be3 a5 21. Bxb7 Rab8 22. Ba6 d2 23. Bf4 Ra8 24. Bf1 Rac8 25. Be5 Ne4 26. Kg2 Nc5 27. Bc4 Nd3 28. Bxd3 Rxd3 29. Bc3 h5 30. Kf1 Rd5 31. f6 g5 32. f4 gxf4 33. gxf4 Kh7 34. Ke2 Re8+ 35. Be5 Rg8 36. Rg1 Rg6 37. Rad1 h4 38. h3 Rg3 39. Bc3 Kg6 40. Rxg3+ hxg3 41. Kf3 Kf5 42. Kxg3 Rd3+ 43. Kf2 Rxh3 44. Rxd2 Bxc3 45. bxc3 Rxc3 46. Rd5+ Kxf4 47. Rxa5 Rxb3 48. Ra7 Rb2+ 49. Ke1 Kf5 50. Rxf7 Rb6 51. Rf8 Rxf6 52. Rxf6+ Kxf6 1/2-1/2

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.04.11"]
[Round "8.4"]
[White "Sprenger, Jan Michael"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2479"]
[BlackElo "2209"]
[PlyCount "61"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Nde2 Nh6 7. g3 0-0 8. Bg2 f5 9. 0-0 Kh8 10. Bf4 e5 11. Be3 d6 12. Qd2 f4 13. gxf4 Ng4 14. h3 exf4 15. Bxf4 Nge5 16. Qe3 Nc4 17. Qg3 Bf6 18. Rad1 Bh4 19. Qh2 N4e5 20. Nd4 Qb6 21. Nxc6 bxc6 22. Rxd6 Nc4 23. Nd5 Qxb2 24. Rxc6 Qb5 25. Rc7 Kg8 26. Bh6 Ba6 27. Rg7+ Kh8 28. Qc7 Qb2 29. Rxh7+ Kg8 30. Bxf8 Rxf8 31. Rxh4 1-0

[Event "Delft Prinsenstad op-A 8th"]
[Site "Delft"]
[Date "2015.04.05"]
[Round "6"]
[White "Schroer, Marcel"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2227"]
[BlackElo "2257"]
[PlyCount "64"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Bf5 6. Nc3 Nf6 7. Rc1 e6 8. Qb3 Qb6 9. Qxb6 axb6 10. a3 Be7 11. f3 0-0 12. g4 Bg6 13. h4 h5 14. g5 Ne8 15. Nb5 f6 16. gxf6 Bxf6 17. Bh3 e5 18. Be6+ Kh7 19. dxe5 Nxe5 20. Bxe5 Bxe5 21. Nd4 Nd6 22. Bxd5 Rad8 23. Ne6 Bxb2 24. Nxf8+ Rxf8 25. Rc7 Nb5 26. Rxb7 Nc3 27. Rxb6 Bxa3 28. Rb3 Bd6 29. Rxc3 Bb4 30. Kd2 Rd8 31. e4 Rc8 32. Ne2 Be8 1-0

[Event "Delft Prinsenstad op-A 8th"]
[Site "Delft"]
[Date "2015.04.05"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Barendse, Ted"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2257"]
[BlackElo "2156"]
[PlyCount "97"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Qd4 Nf6 7. Qb4 Nc6 8. Qxa5 Nxa5 9. Bd3 b6 10. cxb6 axb6 11. Be3 Bb7 12. f3 d5 13. Bb5+ Bc6 14. Bxc6+ Nxc6 15. Bxb6 dxe4 16. Bd4 0-0 17. Ne2 exf3 18. gxf3 e5 19. Bc5 Rfb8 20. Kf2 Rb2 21. Rhd1 Rxc2 22. a4 Nh5 23. Be3 Nf4 24. Rd2 Rxd2 25. Bxd2 Nd3+ 26. Ke3 Nc5 27. c4 Rd8 28. Be1 f5 29. a5 Kf7 30. Nc3 Nb3 31. Ra4 Ncxa5 32. Nb5 Nc6 33. Ra6 Ncd4 34. Ra7+ Kg8 35. Bc3 Nc2+ 36. Kf2 Nc5 37. Kg3 e4 38. fxe4 Nxe4+ 39. Kf4 Nxc3 40. Nxc3 Rd4+ 41. Ke5 Rxc4 42. Nd5 Rc5 43. Kf6 Rc6+ 44. Kg5 Kf8 45. Rxh7 Nd4 46. Ne7 Nf3+ 47. Kf4 Re6 48. Nxg6+ Rxg6 49. Kxf3 1/2-1/2

[Event "Delft Prinsenstad op-A 8th"]
[Site "Delft"]
[Date "2015.04.04"]
[Round "3"]
[White "Jackson, Oliver A"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2133"]
[BlackElo "2257"]
[PlyCount "52"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. a4 e6 7. 0-0 Ne7 8. e5 Nxf3+ 9. Qxf3 a6 10. Bc4 d5 11. exd6 Qxd6 12. d3 0-0 13. Ne4 Qc7 14. c3 b6 15. Qf2 Bb7 16. Be3 Nf5 17. g4 Nd6 18. Nxd6 Qxd6 19. h3 Rad8 20. a5 Qc6 21. Kh2 b5 22. Bb3 Rxd3 23. Bxc5 Bf6 24. Bxf8 Bh4 25. Bh6 Bxf2 26. Rxf2 Qc5 0-1

[Event "Delft Prinsenstad op-A 8th"]
[Site "Delft"]
[Date "2015.04.04"]
[Round "4"]
[White "Ypma, Peter"]
[Black "De Jong, Migchiel"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2257"]
[BlackElo "2304"]
[PlyCount "71"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e6 2. b3 b6 3. d4 d5 4. Bd3 Nf6 5. e5 Nfd7 6. Qe2 c5 7. c3 Nc6 8. Be3 cxd4 9. Bxd4 Qc7 10. Nf3 g5 11. h3 Bg7 12. 0-0 Ndxe5 13. Nxe5 Bxe5 14. Bb5 Bxd4 15. cxd4 Bd7 16. Rc1 Qd6 17. Qe3 f6 18. h4 h6 19. Nc3 Kf7 20. h5 Ne7 21. a4 a6 22. Bd3 Rhc8 23. Qe2 Qb4 24. Na2 Qxd4 25. Bxa6 Rc5 26. Rd1 Qf4 27. b4 Rc7 28. g3 Qe5 29. Qd3 Qf5 30. b5 Qxd3 31. Rxd3 Rc4 32. a5 bxa5 33. Nc3 Bc8 34. Rxa5 Nc6 35. Ra1 Nb4 36. Na4 0-1

[Event "Delft Prinsenstad op-A 8th"]
[Site "Delft"]
[Date "2015.04.04"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Vistisen, Lars"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "2257"]
[BlackElo "2134"]
[PlyCount "41"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. b4 Bxb4 6. c3 Bd6 7. d4 Qe7 8. Re1 0-0 9. Bg5 h6 10. Bh4 Na5 11. Bd3 c6 12. Nbd2 Bc7 13. dxe5 Bxe5 14. Nxe5 Qxe5 15. Nf3 Qe6 16. e5 Nd5 17. Nd4 Qe8 18. Nf5 Nf4 19. Nxg7 Kxg7 20. Bf6+ Kg8 21. Re4 1/2-1/2

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.03.21"]
[Round "7.6"]
[White "Ypma, Peter"]
[Black "Meng, Roger"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2209"]
[BlackElo "2340"]
[PlyCount "37"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Charlois Europoort"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. a3 a5 7. Bd3 Nh6 8. 0-0 Bd7 9. Nbd2 cxd4 10. cxd4 a4 11. Nb1 Nxd4 12. Nxd4 Qxd4 13. Nc3 Be7 14. Nb5 Qb6 15. Be3 Qa5 16. Bd2 Qb6 17. Be3 Qa5 18. Bd2 Qb6 19. Be3 1/2-1/2

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.03.07"]
[Round "6.8"]
[White "Ypma, Peter"]
[Black "Driessens, Patrick"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2209"]
[BlackElo "2315"]
[PlyCount "53"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Voerendaal"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. dxe5 dxe5 6. Bc4 Bc5 7. Bg5 c6 8. 0-0 h6 9. Bh4 Qe7 10. a3 a5 11. Ba2 Nf8 12. b4 Ba7 13. bxa5 Ng6 14. Bg3 Qc5 15. Na4 Qxa5 16. Nb2 Nxe4 17. Nc4 Qc5 18. Ncxe5 Nxe5 19. Nxe5 0-0 20. Qh5 Be6 21. Bxe6 fxe6 22. Qg6 Nxg3 23. Qxe6+ Kh7 24. Qg6+ Kg8 25. Qe6+ Kh7 26. Qg6+ Kg8 27. Qe6+ 1/2-1/2

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.15"]
[Round "6"]
[White "Ypma, Peter"]
[Black "Ikonnikov, Vyacheslav"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2248"]
[BlackElo "2561"]
[PlyCount "155"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Nd2 e6 5. Ngf3 cxd4 6. cxd4 Nf6 7. Bd3 d6 8. 0-0 Be7 9. Re1 Nbd7 10. Nf1 0-0 11. Ng3 Re8 12. h4 Rc8 13. h5 h6 14. a4 Rc7 15. a5 bxa5 16. Bd2 Qb8 17. Bxa5 Nb6 18. Nh2 Rcc8 19. Bc3 Rc7 20. Qe2 Nbd7 21. Ra5 Bd8 22. Ra3 Rc8 23. Nf3 Bb6 24. Nd2 e5 25. d5 Bc5 26. Rb3 Nb6 27. Nf5 Qc7 28. Qf3 Kh7 29. Nf1 Qd8 30. Bd2 Rg8 31. Ra1 Ra8 32. Rb5 Kh8 33. Rba5 Nc8 34. N1g3 Nh7 35. b4 Bb6 36. R5a3 Ng5 37. Qg4 Rb8 38. Rf1 Nh7 39. Kh1 Ne7 40. f4 Bc8 41. fxe5 dxe5 42. Bc3 Nxf5 43. Nxf5 f6 44. Bc4 Ng5 45. d6 Rf8 46. Rd1 Bd4 47. Bxd4 exd4 48. Rxd4 Rxb4 49. Qe2 Bxf5 50. exf5 Nf7 51. Rxa7 Ne5 52. Rc7 Rb6 53. Be6 Rxd6 54. Rxd6 Qxd6 55. Rc8 Rxc8 56. Bxc8 Qd4 57. Be6 Qh4+ 58. Kg1 Ng4 59. Qd2 Qh2+ 60. Kf1 Qh1+ 61. Ke2 Qxg2+ 62. Kd1 Qf3+ 63. Kc1 Qc6+ 64. Qc2 Qe8 65. Kd2 Ne5 66. Ke3 Kh7 67. Qc8 Qxc8 68. Bxc8 Kg8 69. Ke4 Kf8 70. Kd5 Ke7 71. Ba6 Nf3 72. Be2 Ng5 73. Kc6 Nh3 74. Kc5 Ng5 75. Kd5 Nf7 76. Bf1 Nd6 77. Bd3 Ne8 78. Kc6 1/2-1/2

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Thakoerdien, Jerrel"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "2248"]
[BlackElo "2148"]
[PlyCount "50"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. d5 d6 4. c4 g6 5. Nc3 Bg7 6. Bg2 0-0 7. e4 e6 8. dxe6 fxe6 9. e5 Ne8 10. Nf3 Nc6 11. Bf4 Qb6 12. 0-0 dxe5 13. Bg5 Qc7 14. h4 Nd4 15. Nh2 Bd7 16. h5 gxh5 17. Qxh5 Nd6 18. Bh6 Bc6 19. Bxg7 Qxg7 20. Bxc6 Nxc6 21. Rae1 Rf5 22. Qh4 Nd4 23. Ne4 Rf4 24. Qxf4 exf4 25. Nxd6 fxg3 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.02.07"]
[Round "5.10"]
[White "De Graaf, Dick"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2205"]
[BlackElo "2209"]
[PlyCount "94"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "En Passant"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bc4 Nc6 6. Qd3 Bg7 7. Nc3 0-0 8. a4 Nb4 9. Qe2 d5 10. exd5 Bf5 11. Bb3 Nfxd5 12. Nxd5 Nxd5 13. 0-0 Qa5 14. c3 e5 15. Rd1 Be6 16. Bc2 h6 17. Be4 Rad8 18. Bd2 Qc7 19. Be3 a5 20. Bxd5 Bxd5 21. Qb5 Bc6 22. Bb6 Bxb5 23. Bxc7 Rxd1+ 24. Rxd1 Bxa4 25. Re1 Bc6 26. Bxe5 Bxf3 27. Bxg7 Kxg7 28. gxf3 Kf6 29. Rd1 Ke6 30. Rd4 Rc8 31. Kf1 Rc5 32. Kg2 Rh5 33. Rd2 Rd5 34. Re2+ Kd6 35. Re8 Rb5 36. Re2 Kd5 37. f4 Kc4 38. Kf3 Kb3 39. Ke4 a4 40. Kd4 Ka2 41. c4 Rxb2 42. Re7 Rb3 43. c5 a3 44. Kc4 b5+ 45. Kd4 b4 46. c6 Rc3 47. c7 Rxc7 0-1

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.30"]
[Round "9"]
[White "Kolbus, Dietmar"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2317"]
[BlackElo "2223"]
[PlyCount "76"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. d4 Be7 4. Nc3 f5 5. Bg2 Nf6 6. e4 c6 7. dxe5 dxe5 8. Qxd8+ Bxd8 9. Nge2 Na6 10. 0-0 0-0 11. b3 Bb6 12. Bg5 Nc5 13. Bxf6 Rxf6 14. exf5 Bxf5 15. b4 Nd3 16. c5 Bc7 17. a3 a5 18. Be4 Rd8 19. Bxf5 Rxf5 20. Ne4 Rf7 21. Rab1 axb4 22. axb4 b5 23. Rb3 h6 24. Ra1 Kh7 25. Ra6 Ne1 26. N2c3 Nf3+ 27. Kh1 Rd3 28. Rb2 Nd4 29. Ra7 Kg6 30. Kg2 Bd8 31. Rxf7 Kxf7 32. h4 g5 33. hxg5 Bxg5 34. Kf1 Bc1 35. Ra2 Ke6 36. Kg2 Kf5 37. Nd6+ Kg6 38. Nde4 Kf5 1/2-1/2

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.29"]
[Round "8"]
[White "Ypma, Peter"]
[Black "Brzeski, Maciej"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2223"]
[BlackElo "2332"]
[PlyCount "104"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. Nc3 Nf6 6. Re1 Be7 7. d4 e4 8. d5 exf3 9. dxc6 bxc6 10. Qxf3 d5 11. Bd3 0-0 12. Bg5 h6 13. Bxh6 gxh6 14. Qe3 Qd6 15. Qxe7 Re8 16. Qxd6 cxd6 17. Rxe8+ Nxe8 18. Re1 Kf8 19. Ne2 Rb8 20. b3 Nc7 21. Nd4 c5 22. Nc6 Rb6 23. Nxa7 Be6 24. a4 c4 25. Be2 Ra6 26. Nb5 Nxb5 27. axb5 Rb6 28. bxc4 dxc4 29. Rb1 d5 30. f4 Ke7 31. Kf2 Kd6 32. Ke3 Kc5 33. c3 Bd7 34. g4 Bxb5 35. g5 Re6+ 36. Kf2 Re4 37. gxh6 Rxf4+ 38. Kg3 Rf6 39. Rf1 Rg6+ 40. Bg4 Bd7 41. h3 Be6 42. h7 Rh6 43. Rf6 Rxh7 44. Bxe6 fxe6 45. Rxe6 d4 46. Re5+ Kd6 47. cxd4 c3 48. Kf4 Rb7 49. Rc5 Rf7+ 50. Ke4 Re7+ 51. Kd3 Rh7 52. Kxc3 Rxh3+ 1/2-1/2

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.28"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Ernst, Sipke"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2223"]
[BlackElo "2553"]
[PlyCount "54"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d4 Be7 6. Nh3 c6 7. 0-0 Na6 8. e4 0-0 9. dxe5 dxe5 10. Qe2 Nc5 11. Ng5 Qd3 12. Re1 Qxe2 13. Rxe2 h6 14. Nf3 Nfxe4 15. Nxe4 fxe4 16. Nxe5 Bf6 17. Be3 Na4 18. Ng4 Re8 19. Rb1 Bxg4 20. Rd2 Rad8 21. Rxd8 Bxd8 22. Bxa7 e3 23. Re1 e2 24. f3 Ba5 25. Bf2 Bxe1 26. Bxe1 Nxb2 27. fxg4 Nd3 0-1

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.27"]
[Round "6"]
[White "Kevlishvili, Robby"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2366"]
[BlackElo "2223"]
[PlyCount "82"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. Rc1 Qa5 12. f3 Rfc8 13. b3 a6 14. a4 Nd7 15. 0-0 b5 16. axb5 axb5 17. Nxb5 Qxd2 18. Bxd2 Ra2 19. Rfd1 Nc5 20. Rb1 f5 21. Bf1 fxe4 22. fxe4 Bg4 23. Bg5 Bxd1 24. Rxd1 Kf8 25. Rb1 Nxe4 26. Be3 Nd2 27. Bxd2 Rxd2 28. h3 Ra8 29. Nc7 Ra1 30. Rxa1 Bxa1 31. b4 Bd4+ 32. Kh2 Rd1 33. Ne6+ Ke8 34. Nxd4 Rxf1 35. Kg3 Rc1 36. c5 dxc5 37. bxc5 Rxc5 38. Nf3 Ra5 39. h4 Kf7 40. Kg4 Ra4+ 41. Kg5 Kg7 0-1

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.26"]
[Round "5"]
[White "Den Hartog, Marijn"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2150"]
[BlackElo "2223"]
[PlyCount "86"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nb4 10. Qd2 Nbxd5 11. Nxd5 Nxd5 12. Rad1 Nxe3 13. fxe3 e5 14. Nb5 Be6 15. Nd6 Qb6 16. c4 Bh6 17. Rf3 a5 18. Rc1 Bg4 19. c5 Qb4 20. Rc3 Bxf3 21. Bxf3 Rad8 22. a3 Qb5 23. Qc2 Qd7 24. Bxb7 Qc7 25. Qe4 Rxd6 26. cxd6 Qxd6 27. Rd3 Qc5 28. b4 axb4 29. axb4 Qa7 30. Kf2 Rb8 31. Rd7 Qa2+ 32. Kf3 Qe6 33. Qd3 e4+ 34. Bxe4 Rxb4 35. Rd8+ Bf8 36. Bd5 Qf6+ 37. Ke2 Rb2+ 38. Kd1 Rb6 39. Rd7 Qa1+ 40. Ke2 Qb2+ 41. Kf3 Rf6+ 42. Kg4 Qe5 43. Qe4 Qxh2 0-1

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.24"]
[Round "4"]
[White "Ypma, Peter"]
[Black "Keetman, Maaike"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2223"]
[BlackElo "2074"]
[PlyCount "51"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bf5 5. cxd5 cxd5 6. Qb3 Qc8 7. Nc3 e6 8. d3 Be7 9. 0-0 0-0 10. Re1 Nc6 11. e4 dxe4 12. dxe4 Bg6 13. e5 Nd7 14. Be3 Bh5 15. Nb5 Bxf3 16. Bxf3 Ndxe5 17. Be4 Na5 18. Qa4 Qc4 19. Qxc4 Nexc4 20. Bxa7 Nxb2 21. Re2 Bf6 22. Rc1 Rfd8 23. Bb6 Rdc8 24. Rxc8+ Rxc8 25. Bxa5 Rc5 26. Rc2 1-0

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.23"]
[Round "3"]
[White "Klekowski, Maciej"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2418"]
[BlackElo "2223"]
[PlyCount "159"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 dxc4 5. Qxc4 Nf6 6. g3 Be7 7. Bg2 0-0 8. 0-0 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Nc3 h6 12. Bf4 Qb6 13. a4 b4 14. a5 Qa6 15. Na4 Qxa5 16. Nd2 Qb5 17. Nc4 c5 18. Bxb7 Qxb7 19. Bd6 b3 20. Qc1 Bxd6 21. Nxd6 Qc6 22. dxc5 Rab8 23. Qc3 Nd5 24. Qa5 Nb4 25. Rad1 Nc2 26. Ne4 Rb5 27. Qd2 Rb7 28. Qd6 Qxa4 29. Nc3 Qc4 30. c6 Rb6 31. Qxd7 Qxc6 32. Qxa7 Qb7 33. Qa5 Ra6 34. Qe5 Rfa8 35. h4 Ra5 36. Qf4 Ra2 37. Qc1 R2a5 38. Qf4 Rc8 39. Rd3 Nb4 40. Rd2 Nd5 41. Qe4 Qb4 42. Qxb4 Nxb4 43. Rfd1 Na2 44. Rd8+ Rxd8 45. Rxd8+ Kh7 46. Rc8 Kg6 47. Kf1 Ra7 48. Ke1 Rb7 49. Ne4 Nb4 50. Kd2 Nd5 51. Nc5 Rb5 52. Nd3 Rb7 53. Rc4 f5 54. Nf4+ Kf6 55. Nxd5+ exd5 56. Rc6+ Ke5 57. Ke3 d4+ 58. Kd3 f4 59. Rc5+ Kd6 60. Rc4 fxg3 61. fxg3 Ke5 62. Rxd4 h5 63. Re4+ Kf5 64. Rf4+ Ke5 65. Ra4 Kf5 66. Ke3 Rb5 67. Kf3 Rb6 68. Ra5+ Kg6 69. Rg5+ Kh6 70. e4 g6 71. Ke3 Kg7 72. Rc5 Kf6 73. Kd4 Rb4+ 74. Rc4 Rb6 75. Kd5 Rb8 76. e5+ Ke7 77. Rc7+ Kf8 78. Kd6 Rb6+ 79. Rc6 Rb4 80. Ke6 1-0

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.22"]
[Round "2"]
[White "Ypma, Peter"]
[Black "Kampman, Tijmen"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2223"]
[BlackElo "2084"]
[PlyCount "73"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. c4 c5 6. Nc3 Be7 7. Re1 d6 8. d4 0-0 9. e4 cxd4 10. Nxd4 Qc8 11. b3 Nc6 12. Bb2 Rd8 13. Rc1 Bf8 14. Nc2 a6 15. Ne3 Ne5 16. h3 Bc6 17. Ncd5 Nfd7 18. f4 Ng6 19. a4 Qb7 20. a5 Ne7 21. Qd4 e5 22. Qd1 Bxd5 23. exd5 g6 24. fxe5 Nxe5 25. Ng4 Nxg4 26. Qxg4 Nf5 27. Rf1 Qc8 28. Be4 Qc5+ 29. Kh1 Nh6 30. Qf3 f5 31. Qc3 Nf7 32. Bxf5 Ne5 33. Be6+ Kh8 34. Rxf8+ Rxf8 35. Qxe5+ dxe5 36. Bxe5+ Rf6 37. Bxf6# 1-0

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.21"]
[Round "1"]
[White "L'Ami, Erwin"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2613"]
[BlackElo "2223"]
[PlyCount "77"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. Bg5 Be7 6. Bxe7 Nxe7 7. e3 b5 8. a4 Nd5 9. g3 a5 10. axb5 Nxc3 11. bxc3 cxb5 12. Qb1 Ba6 13. Bg2 Ra7 14. 0-0 Nd7 15. Qa2 Bb7 16. Rfb1 Qb6 17. Qa3 Be4 18. Rb2 Qc6 19. Ne1 Bxg2 20. Nxg2 Qa6 21. e4 Nf6 22. f3 Kd7 23. Ne3 Rc8 24. Rab1 Rb7 25. Kg2 Ke8 26. Ra2 a4 27. Re2 Qc6 28. Qb4 Qc7 29. Nc2 Qe7 30. Na3 Rcb8 31. Reb2 Qc7 32. Nxb5 Rxb5 33. Qxa4 Qa7 34. Qxa7 Rxb2+ 35. Rxb2 Rxb2+ 36. Kh3 Rf2 37. Qb8+ Ke7 38. Qc7+ Ke8 39. d5 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.12.13"]
[Round "4.3"]
[White "Riemersma, Liafbern"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2432"]
[BlackElo "2209"]
[PlyCount "127"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "BSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 c6 2. Nf3 d5 3. g3 dxc4 4. Bg2 b5 5. a4 Bb7 6. b3 cxb3 7. Qxb3 e6 8. axb5 Qd5 9. Qe3 Qxb5 10. 0-0 Nf6 11. Nc3 Qb6 12. d4 Be7 13. Ba3 Bxa3 14. Na4 Qb4 15. Rxa3 Nd5 16. Qc1 Nd7 17. e4 N5b6 18. Nc5 Nxc5 19. dxc5 Nd7 20. Qa1 Qxc5 21. Ra5 Qe7 22. Qxg7 Qf6 23. Qxf6 Nxf6 24. Rb1 Bc8 25. Ne5 0-0 26. Nxc6 a6 27. Ne7+ Kg7 28. e5 Nd5 29. Bxd5 exd5 30. Nxc8 Rfxc8 31. Rb6 d4 32. Rd6 Rc1+ 33. Kg2 Rd1 34. Raxa6 Rxa6 35. Rxa6 Re1 36. f4 Re2+ 37. Kh3 d3 38. Rd6 d2 39. g4 h6 40. Kg3 Kf8 41. h4 Re3+ 42. Kg2 Re2+ 43. Kf3 Rh2 44. Kg3 Re2 45. g5 h5 46. Kf3 Rh2 47. Kg3 Re2 48. Kf3 Rh2 49. Ke3 Rxh4 50. Rxd2 Rh1 51. Rd6 Kg7 52. Rh6 Re1+ 53. Kf3 Rf1+ 54. Ke4 Rh1 55. Kf5 Rh2 56. Ra6 Rg2 57. Ra7 h4 58. e6 h3 59. Rxf7+ Kg8 60. Kg6 Re2 61. f5 h2 62. Rg7+ Kf8 63. Rh7 Kg8 64. Rh4 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.11.22"]
[Round "3.7"]
[White "Ypma, Peter"]
[Black "Paulet, Iozefina"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2209"]
[BlackElo "2220"]
[PlyCount "85"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Groningen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Nbd2 0-0 6. Bg2 dxc4 7. Qc2 c5 8. Qxc4 Nc6 9. dxc5 e5 10. 0-0 Be6 11. Qc2 Rc8 12. a3 Qa5 13. Nb3 Bxb3 14. Qxb3 Bxc5 15. Bd2 Qa6 16. Rac1 Ne4 17. Be3 Nd4 18. Bxd4 exd4 19. Qd3 Qxd3 20. exd3 Nd6 21. Ne5 Bb6 22. Bh3 Rxc1 23. Rxc1 h6 24. Nd7 Rd8 25. Nxb6 axb6 26. Rc7 g6 27. Bg2 Re8 28. Bxb7 Re1+ 29. Kg2 Rd1 30. Bd5 Rxd3 31. Rd7 Ne8 32. Rd8 Kf8 33. Bc6 Ke7 34. Rxe8+ Kd6 35. Bf3 Rb3 36. Re2 d3 37. Rd2 Ke5 38. Bc6 b5 39. Be8 Kf6 40. Kf3 g5 41. Ke4 b4 42. a4 Ke7 43. Bb5 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.11.01"]
[Round "2.8"]
[White "Ypma, Peter"]
[Black "Rietveld, Renze"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2209"]
[BlackElo "2223"]
[PlyCount "55"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "SISSA"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Qb3 Qb6 8. c5 Qc7 9. Bf4 Qc8 10. a4 Nbd7 11. Nxg6 hxg6 12. e4 dxe4 13. a5 Be7 14. Bg2 Nd5 15. Nxe4 Nxf4 16. gxf4 Qc7 17. a6 bxa6 18. Rxa6 Qxf4 19. Qe3 Qxe3+ 20. fxe3 Nb8 21. Ra3 a6 22. Rb3 f5 23. Nd2 0-0 24. Rb7 Bh4+ 25. Ke2 Rc8 26. Nc4 Bd8 27. Nb6 Bxb6 28. cxb6 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.09.27"]
[Round "1.6"]
[White "Kevlishvili, Robby"]
[Black "Ypma, Peter"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "2313"]
[BlackElo "2209"]
[PlyCount "55"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. d3 g6 6. 0-0 Bg7 7. c3 c6 8. Bc4 Ne7 9. cxd4 d5 10. Bb3 Bxd4 11. Qe2 dxe4 12. dxe4 Be6 13. Rd1 Qb6 14. Bg5 h6 15. Bf4 Rd8 16. Na3 g5 17. Bg3 Bxb3 18. axb3 0-0 19. Nc4 Qb4 20. Rd3 Nc8 21. Rad1 Bf6 22. Nd6 Ne7 23. Qh5 Bg7 24. h4 g4 25. Qxg4 Ra8 26. Be5 f6 27. Rg3 fxe5 28. Qxg7# 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.31"]
[Round "9"]
[White "Ypma, Peter"]
[Black "Dijkhuis, Sven"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2203"]
[BlackElo "1988"]
[PlyCount "55"]
[EventDate "2014.07.22"]
[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 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. d4 exd4 6. exd4 Bb6 7. b4 a6 8. Bg5 f6 9. Be3 Nge7 10. Qb3 Nf5 11. c5 Ba7 12. Bc4 Nce7 13. Bf4 b5 14. Bf7+ Kf8 15. g4 Bb7 16. Bh5 g6 17. gxf5 gxh5 18. Qe6 Ng8 19. cxd6 Bxf3 20. dxc7 Qe8 21. Bd6+ Kg7 22. Rg1+ Bg4 23. d5 Nh6 24. Ne4 Qf7 25. Be7 Ng8 26. Bd8 Qxe6 27. fxe6 Bb6 28. h3 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.30"]
[Round "8"]
[White "Vos, Tjark"]
[Black "Ypma, Peter"]
[Result "0-1"]
[ECO "C61"]
[WhiteElo "2130"]
[BlackElo "2203"]
[PlyCount "62"]
[EventDate "2014.07.22"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 g6 6. c3 Bg7 7. cxd4 c6 8. Bc4 d5 9. exd5 cxd5 10. Qa4+ Bd7 11. Bb5 a6 12. Bxd7+ Qxd7 13. Qb4 Ne7 14. Nc3 0-0 15. d3 Nc6 16. Qc5 Rfd8 17. Be3 Rac8 18. Qb6 Ne7 19. Rac1 Rc6 20. Qb4 Re6 21. Na4 b6 22. Bf4 Nc6 23. Qxb6 Nxd4 24. Nc5 Rxb6 25. Nxd7 Rxb2 26. Bg5 Rxd7 27. Rc8+ Bf8 28. Re1 Ne6 29. Bf6 Rxa2 30. f4 Rc7 31. Ra8 Rac2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2014.07.29"]
[Round "7"]
[White "Ypma, Peter"]
[Black "Van Osch, Mees"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2203"]
[BlackElo "2200"]
[PlyCount "75"]
[EventDate "2014.07.22"]
[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. f4 c5 2. Nf3 Nc6 3. e4 e6 4. Bb5 Nge7 5. Bxc6 Nxc6 6. c4 d5 7. d3 dxe4 8. dxe4 Qxd1+ 9. Kxd1 b6 10. Nc3 Bb7 11. Ke2 Nd4+ 12. Kf2 Be7 13. Be3 Nxf3 14. gxf3 Rd8 15. Rhd1 0-0 16. Rxd8 Rxd8 17. Rd1 Rxd1 18. Nxd1 f5 19. Nc3 Bf6 20. Bd2 a6 21. Ke3 Kf7 22. b3 Kg6 23. Na4 Bd4+ 24. Kd3 b5 25. Nc3 bxc4+ 26. bxc4 Bxc3 27. Bxc3 Kf7 28. Be5 Ke7 29. Bxg7 Kd7 30. Bh6 Bc8 31. h4 Kc7 32. Bf8 Kb6 33. h5 a5 34. h6 a4 35. a3 Ba6 36. e5 Kc6 37. Bd6 Kb6 38. Bf8 1/2-1/2

