[Event "Utrecht OKU op-B 45th"]
[Site "Utrecht"]
[Date "2018.06.03"]
[Round "6"]
[White "Cchung, Chi Yun"]
[Black "Cheng, Di"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "1753"]
[BlackElo "1731"]
[PlyCount "117"]
[EventDate "2018.06.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Re8 10. d4 exd4 11. cxd4 h6 12. Nbd2 Bf8 13. Nf1 Ne7 14. Ng3 Ng6 15. Bc2 c5 16. b3 cxd4 17. Qxd4 Ne5 18. Nh4 Nc6 19. Qd2 d5 20. exd5 Rxe1+ 21. Qxe1 Qxd5 22. Bb2 Nb4 23. Bb1 Nd3 24. Bxd3 Qxd3 25. Bxf6 gxf6 26. Rd1 Qc2 27. Rd8 Bb7 28. Qe7 Rxd8 29. Qxd8 Qc1+ 30. Kh2 Qf4 31. Qb6 Bc8 32. Nhf5 Qe5 33. Nxh6+ Kg7 34. Ng4 Qf4 35. Qxf6+ Qxf6 36. Nh5+ Kg6 37. Nhxf6 Bf5 38. Nd5 Bd6+ 39. f4 b4 40. Ne5+ Kg7 41. Nc4 Bf8 42. Nc7 Bb1 43. Nxa6 Bxa2 44. Nd2 Bd6 45. g3 Kg6 46. Kg2 Kf5 47. Kf3 Ke6 48. Ke4 Be7 49. Kd4 Bf6+ 50. Kc4 Bc3 51. Nxb4 Bxd2 52. Nxa2 Kf5 53. Nc3 Be1 54. Ne2 Ke4 55. h4 Ke3 56. h5 Ba5 57. b4 Bd8 58. Nc3 Kf3 59. Nd5 1-0

[Event "Utrecht OKU op-B 45th"]
[Site "Utrecht"]
[Date "2018.06.03"]
[Round "5"]
[White "Cheng, Di"]
[Black "Beijer, Bram"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "1731"]
[BlackElo "1705"]
[PlyCount "80"]
[EventDate "2018.06.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 e6 6. Bxc4 exd5 7. exd5 Bd6 8. Nf3 0-0 9. 0-0 a6 10. a4 Bg4 11. h3 Bh5 12. Bg5 h6 13. Bh4 g5 14. Bg3 Bxg3 15. fxg3 Qd6 16. g4 Bg6 17. Qd2 Nbd7 18. a5 Rae8 19. Rfe1 Ne5 20. Nxe5 Rxe5 21. Rxe5 Qxe5 22. Qf2 Qd4 23. Rd1 Nxg4 24. Qxd4 cxd4 25. Rxd4 Ne3 26. Bb3 Nf5 27. Rb4 Nd6 28. Rb6 Rd8 29. Na4 Be4 30. Nc5 f5 31. Nxb7 Nxb7 32. Rxb7 Bxd5 33. Bxd5+ Rxd5 34. Rb6 Rxa5 35. Rxh6 Rb5 36. Rxa6 Kf7 37. Ra2 Ke6 38. Kf2 Ke5 39. g3 f4 40. gxf4+ gxf4 1/2-1/2

[Event "Utrecht OKU op-B 45th"]
[Site "Utrecht"]
[Date "2018.06.02"]
[Round "3"]
[White "Cheng, Di"]
[Black "Boittin, Pascal"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1731"]
[BlackElo "1773"]
[PlyCount "63"]
[EventDate "2018.06.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Bd3 Nc6 6. Nf3 Be7 7. 0-0 0-0 8. Re1 a6 9. a3 Re8 10. dxc5 dxc4 11. Bxc4 Qxd1 12. Rxd1 Bxc5 13. b4 Ba7 14. Bb2 b5 15. Bd3 Nd5 16. Rac1 Nxe3 17. fxe3 Bxe3+ 18. Kf1 Bxc1 19. Rxc1 Bb7 20. Be4 f5 21. Bb1 Rad8 22. Ne2 Ne7 23. Nfd4 Bd5 24. Kf2 Rc8 25. Nf4 Rxc1 26. Bxc1 Nc6 27. Nxf5 Rf8 28. Nxd5 exd5 29. Ke1 Re8+ 30. Kd2 Rf8 31. Bb2 g6 32. Nh6# 1-0

[Event "Utrecht OKU op-B 45th"]
[Site "Utrecht"]
[Date "2018.06.02"]
[Round "2"]
[White "Shakhverdian, William"]
[Black "Cheng, Di"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1798"]
[BlackElo "1731"]
[PlyCount "162"]
[EventDate "2018.06.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 h6 7. a4 a5 8. h3 d6 9. Re1 Ne7 10. d4 exd4 11. cxd4 Bb4 12. Bd2 c5 13. Bxb4 axb4 14. dxc5 dxc5 15. Qb3 Nc6 16. Nbd2 Na5 17. Qc2 Nxc4 18. Nxc4 Be6 19. Rad1 Qc7 20. b3 Rfd8 21. Qe2 Qf4 22. g3 Qc7 23. Kg2 Rxd1 24. Rxd1 Rd8 25. Rxd8+ Qxd8 26. Qc2 Nd7 27. Qd3 Qc7 28. Nfd2 f6 29. f4 Qc6 30. Nf3 b5 31. axb5 Qxb5 32. Nfd2 Qc6 33. Nf3 Qc7 34. f5 Bf7 35. Nd6 Nb6 36. Nxf7 Kxf7 37. Nd2 Ke7 38. Qb5 Qd6 39. Nc4 Nxc4 40. Qxc4 Qd2+ 41. Kf3 Qd1+ 42. Kf4 Qd6+ 43. Kf3 Qe5 44. Qg8 Qc3+ 45. Kg4 h5+ 46. Kxh5 Qf3+ 47. Kh4 Qxe4+ 48. g4 Qe1+ 49. Kh5 Qc3 50. Qxg7+ Kd6 51. Qf8+ Kd5 52. Qf7+ Ke4 53. Qe6+ Kf4 54. Kg6 c4 55. Qd6+ Kf3 56. Qd5+ Kg3 57. bxc4 b3 58. Kh5 b2 59. Qd6+ Kxh3 60. Qd1 Qc1 61. Qf3+ Kh2 62. Qf2+ Kh1 63. Qf3+ Kg1 64. Qg3+ Kf1 65. Qf3+ Ke1 66. Qg3+ Kd2 67. Qf4+ Kc3 68. Qf3+ Kxc4 69. Qc6+ Kb3 70. Qe6+ Qc4 71. Qxf6 b1Q 72. Qb6+ Kc2 73. Qxb1+ Kxb1 74. g5 Qf7+ 75. Kg4 Kc2 76. Kf4 Kd3 77. Ke5 Ke3 78. g6 Qe7+ 79. Kd5 Qf6 80. g7 Qxg7 81. Ke6 Qf8 0-1

[Event "Utrecht OKU op-B 45th"]
[Site "Utrecht"]
[Date "2018.06.02"]
[Round "4"]
[White "Wandy, Kasim"]
[Black "Cheng, Di"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1839"]
[BlackElo "1731"]
[PlyCount "62"]
[EventDate "2018.06.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 Be7 5. 0-0 0-0 6. Nc3 Re8 7. Nd5 Nxd5 8. exd5 Nb4 9. c4 d6 10. a3 Na6 11. b4 Bf5 12. h3 h6 13. Nh2 Nb8 14. Be3 Nd7 15. Bg4 Bg6 16. Bh5 Bh7 17. Ng4 Nf6 18. Nxf6+ Bxf6 19. Rc1 e4 20. d4 g6 21. Be2 Bg7 22. Qd2 g5 23. h4 f6 24. hxg5 fxg5 25. Bg4 Bg6 26. Be6+ Kh7 27. f4 exf3 28. Rxf3 Rf8 29. Rh3 Bf6 30. Rf1 Kg7 31. Rhf3 Be7 1/2-1/2

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.30"]
[Round "9"]
[White "Cleveringa, Writser"]
[Black "Cheng, Di"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1734"]
[BlackElo "1240"]
[PlyCount "29"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Be7 6. Nxd4 0-0 7. Re1 d5 8. exd5 Nxd5 9. Bxd5 Qxd5 10. Nxc6 Qxd1 11. Nxe7+ Kh8 12. Rxd1 Be6 13. Nd5 Rad8 14. Nbc3 c6 15. Ne3 1-0

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.24"]
[Round "4"]
[White "Beukema, Constantijn"]
[Black "Cheng, Di"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1811"]
[BlackElo "1240"]
[PlyCount "45"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bxc6 bxc6 8. Qf3 Bg4 9. Qd3 Qd7 10. Qa6 c5 11. Nc6 Be7 12. Nxe7 Kxe7 13. Bg5 Rhe8 14. f3 Be6 15. e5 Kf8 16. 0-0-0 Ng8 17. exd6 Reb8 18. dxc7 Qxc7 19. Qd6+ Qxd6 20. Rxd6 Rb6 21. Rhd1 f6 22. Be3 Rab8 23. Bxc5 1-0

[Event "Groningen op-B 55th"]
[Site "Groningen"]
[Date "2017.12.23"]
[Round "3"]
[White "Cheng, Di"]
[Black "Leentjens, Gilbert"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1240"]
[BlackElo "1866"]
[PlyCount "56"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. c5 Be7 6. Nf3 Nbd7 7. g3 Nf8 8. Ne5 N6d7 9. Bxe7 Qxe7 10. f4 f6 11. Nxd7 Nxd7 12. e3 e5 13. Qe2 exd4 14. exd4 Qxe2+ 15. Bxe2 Kf7 16. Kd2 Re8 17. Rhe1 Nf8 18. Bf3 Rd8 19. Ne2 g6 20. Nc1 Bd7 21. a3 Re8 22. Nd3 Bf5 23. Nf2 h5 24. b4 a6 25. a4 Ne6 26. Kc3 Nc7 27. h3 Rad8 28. Rab1 Bxb1 0-1

