[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.24"]
[Round "9"]
[White "Sun, Haoran"]
[Black "Chen, Meitong"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "113"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ndf3 Nc6 7. Bd3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Ne2 Bd6 11. 0-0 0-0 12. Nc3 a6 13. a3 Bd7 14. Re1 Qb6 15. Bc2 Rae8 16. Rb1 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Ne2 Bc6 20. b4 Ng4 21. Be3 Nxe3 22. fxe3 Qxe3+ 23. Kh1 Qh6 24. h3 d4 25. Qd3 Bb5 26. Bb3+ Kh8 27. Bc4 Bxc4 28. Qxc4 Qd6 29. Rbd1 Rc8 30. Qd3 Rcd8 31. Kg1 Qd5 32. Nc3 Qd6 33. Ne4 Qb8 34. Ng5 g6 35. Ne6 Bg3 36. Re2 Rde8 37. Qxd4+ Be5 38. Qxe5+ Qxe5 39. Rxe5 Rf6 40. Rde1 Kg8 41. Nc5 Rxe5 42. Rxe5 b6 43. Nxa6 b5 44. Nc5 Rd6 45. Re7 h6 46. Rb7 Rd1+ 47. Kh2 Ra1 48. Rxb5 Rxa3 49. Rb7 Kf8 50. b5 Ra5 51. Ne6+ Ke8 52. b6 Re5 53. Nf4 g5 54. Nd3 Re7 55. Rxe7+ Kxe7 56. b7 Ke6 57. b8Q 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "8"]
[White "Liu, Jiapeng"]
[Black "Sun, Haoran"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1429"]
[PlyCount "75"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e3 d5 5. d4 0-0 6. Be2 Bg4 7. h3 Bf5 8. Qb3 b6 9. cxd5 Bc8 10. 0-0 Bb7 11. e4 c6 12. dxc6 Nxc6 13. d5 Nb8 14. Rd1 Nfd7 15. Be3 Na6 16. Bxa6 Bxa6 17. Rac1 Bxc3 18. Rxc3 Be2 19. Rdc1 Bxf3 20. gxf3 Re8 21. Bd4 e5 22. Be3 Kg7 23. Kh2 Rf8 24. Qd1 f5 25. Qg1 f4 26. Bd2 Nc5 27. b4 Nd7 28. Qg4 h5 29. Qg2 Rf6 30. Qg5 Qe8 31. Rc7 Rf7 32. R1c6 Nf8 33. Bc3 Rxc7 34. Bxe5+ Kg8 35. Rxc7 Nd7 36. Rxd7 Qxd7 37. Qxg6+ Kf8 38. Bd6+ 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "7"]
[White "Xu, Yingming"]
[Black "Sun, Haoran"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1673"]
[PlyCount "66"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bb6 6. Qd2 Nc6 7. Nf3 Be6 8. Bb3 d5 9. Bxb6 axb6 10. Qg5 0-0 11. 0-0 h6 12. Qh4 Re8 13. Rfe1 d4 14. Nb5 Bxb3 15. axb3 Rxa1 16. Rxa1 Qd7 17. Qh3 Qxh3 18. gxh3 Rc8 19. Ra4 Nd7 20. Na7 Nxa7 21. Rxa7 Rb8 22. b4 f6 23. Nd2 Nf8 24. Kg2 Ne6 25. h4 Nd8 26. b5 Nf7 27. Nc4 Kf8 28. Kg3 h5 29. f4 Ke7 30. fxe5 fxe5 31. Kf2 Ke6 32. Ke2 Nd6 33. Nxd6 Kxd6 1/2-1/2

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "6"]
[White "Sun, Haoran"]
[Black "Chen, Tzi Xuen"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1371"]
[PlyCount "71"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4 Nf6 5. Nf3 Nc6 6. c4 Bg4 7. Nc3 Bxf3 8. gxf3 e6 9. Be3 a6 10. a3 dxc4 11. Bxc4 Qc7 12. Rc1 Rd8 13. Ne4 Nxe4 14. fxe4 Qd7 15. d5 Ne5 16. Bb3 exd5 17. Bb6 Rc8 18. Ba4 Nc6 19. exd5 Qe7+ 20. Qe2 Qxe2+ 21. Kxe2 Bd6 22. dxc6 bxc6 23. Bxc6+ Ke7 24. Bf3 Rb8 25. Bd4 f6 26. Rhe1 Rhd8 27. Kf1+ Kf8 28. Bc3 Bxh2 29. Kg2 Bf4 30. Rcd1 Rdc8 31. Re6 a5 32. Rd5 Kf7 33. Ra6 Re8 34. Raxa5 Re1 35. Bxe1 Rxb2 36. Rdb5 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "5"]
[White "Tikhomirov, Ivan"]
[Black "Sun, Haoran"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1537"]
[PlyCount "60"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. 0-0 Nxe4 6. Re1 d5 7. Bb5 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nxd4 Qf6 11. f3 Bc5 12. Bxc6+ bxc6 13. c3 0-0 14. fxe4 Bxe4 15. Rf1 Qh4 16. Kh2 Bxd4 17. cxd4 f5 18. Qe1 Qf6 19. Be3 c5 20. Qd2 cxd4 21. Qxd4 Qh4 22. Bf2 Qg5 23. Nd2 fxg4 24. Nxe4 dxe4 25. Rg1 Qf4+ 26. Bg3 Qf3 27. Qc4+ Kh8 28. Rgf1 Qe3 29. Rxf8+ Rxf8 30. hxg4 Qf3 1/2-1/2

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "3"]
[White "Li, Chenru"]
[Black "Sun, Haoran"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "128"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. 0-0 Bc5 6. Nxe5 Nxe4 7. d3 Nxf2 8. Rxf2 Bxf2+ 9. Kxf2 Qd4+ 10. Kf1 Qxe5 11. Kg1 0-0 12. d4 Qe7 13. Nc3 Re8 14. Bf4 Bf5 15. Rc1 Rad8 16. Bg3 Bg6 17. Bf2 a6 18. Qf3 Qf6 19. Qg3 Qd6 20. Qf3 Qb4 21. b3 Qa3 22. Qf4 Qa5 23. Qg3 Qa3 24. Qf4 Qb2 25. Qd2 b6 26. Kh1 Rd7 27. a4 Qa3 28. Re1 Rxe1+ 29. Qxe1 Re7 30. Qb1 Qb4 31. Qb2 Qd6 32. Qc1 Qe6 33. h3 Qf5 34. Bh4 f6 35. Qa3 Kf7 36. Qb4 Qe6 37. a5 b5 38. Qc5 Bxc2 39. b4 Bg6 40. d5 cxd5 41. Nxd5 Rd7 42. Nxc7 Qd6 43. Qxd6 Rxd6 44. Bg3 Rc6 45. Kg1 Be4 46. h4 Rc1+ 47. Kf2 Bb7 48. Bf4 Rc2+ 49. Ke3 Rxg2 50. h5 Rc2 51. Kd3 Rc4 52. Bd6 Rh4 53. h6 gxh6 54. Ke3 Rc4 55. Bc5 h5 56. Kf2 h4 57. Kg1 f5 58. Kh2 Rc3 59. Kg1 Rc2 60. Kf1 h3 61. Kg1 h2+ 62. Kf1 h1Q+ 63. Bg1 Qg2+ 64. Ke1 Qxg1# 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "4"]
[White "Sun, Haoran"]
[Black "Tan, Yong Hau"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1741"]
[PlyCount "63"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Bd6 6. 0-0 0-0 7. Re1 Bg4 8. Bg5 Nbd7 9. Nbd2 c6 10. c3 Qc7 11. Qc2 Rfe8 12. h3 Bh5 13. b3 c5 14. dxc5 Bxc5 15. c4 dxc4 16. Bxc4 Bg6 17. Qb2 Qb6 18. Bh4 h6 19. Bg3 Ne4 20. Nxe4 Bxe4 21. Nd2 Bd4 22. Qa3 Bxa1 23. Nxe4 Bd4 24. Bxf7+ Kxf7 25. Nd6+ Kf8 26. Nxe8+ Bc5 27. b4 Qxb4 28. Qxb4 Bxb4 29. Bd6+ Bxd6 30. Nxd6 Nc5 31. Rc1 b6 32. Nb5 1/2-1/2

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "1"]
[White "Huang, Yishi"]
[Black "Sun, Haoran"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1477"]
[PlyCount "111"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Bf5 6. Qb3 Qb6 7. Qxb6 axb6 8. Bb5 Bxb1 9. Rxb1 Rxa2 10. Bc7 e6 11. Nf3 Bb4+ 12. Ke2 f6 13. Rhc1 Nge7 14. Bxb6 Kf7 15. Ne1 Bxe1 16. Kxe1 Rc8 17. Bc5 Ra5 18. Bd3 e5 19. Bc2 exd4 20. exd4 Re8 21. b4 Raa8 22. Kf1 Nc8 23. Bb3 Rd8 24. b5 Na5 25. Ba2 b6 26. Bb4 Rd7 27. Rb2 Ne7 28. Rbc2 Raa7 29. g4 h6 30. h4 g5 31. h5 f5 32. f3 Kf6 33. Re1 Rac7 34. Rce2 fxg4 35. fxg4 Nc8 36. Rf2+ Kg7 37. Bf8+ Kh7 38. Bb1+ Kg8 39. Bxh6 Rd8 40. Re5 Rc1+ 41. Re1 Rc7 42. Bxg5 Rf8 43. Bf5 Nd6 44. Be6+ Nf7 45. Bh6 Rd8 46. g5 Re7 47. g6 Rxe6 48. gxf7+ Kh7 49. Rxe6 Nb7 50. f8Q Rxf8 51. Bxf8 Nd8 52. Rd6 Nb7 53. Rf7+ Kg8 54. Rxb7 Kh8 55. Rd8 Kg8 56. Bh6# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "2"]
[White "Sun, Haoran"]
[Black "Zhu, Chenxi"]
[Result "1/2-1/2"]
[ECO "B99"]
[BlackElo "1143"]
[PlyCount "216"]
[EventDate "2019.01.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. h4 Bb7 12. Bxf6 Nxf6 13. g5 Nd7 14. f5 e5 15. Nb3 Rc8 16. Rh2 b4 17. Nd5 Bxd5 18. Rxd5 Qb6 19. Qf2 Nc5 20. Nxc5 Rxc5 21. Rxc5 dxc5 22. Rh3 0-0 23. Bc4 Rd8 24. Bd5 Qd6 25. Rg3 Kh8 26. h5 h6 27. gxh6 Qxh6+ 28. Qe3 Qxe3+ 29. Rxe3 Bg5 30. Kd2 Bxe3+ 31. Kxe3 f6 32. Kf3 Kh7 33. Kg4 a5 34. Kh4 Rc8 35. b3 Rc7 36. Kg4 Kh6 37. Kh4 Ra7 38. Bc4 Rc7 39. Bd5 Rc8 40. Kg4 Rc7 41. Kh4 Rd7 42. Kg4 Rd8 43. Kh4 Rf8 44. Kg4 Rd8 45. Kh4 Rd6 46. Kg4 Ra6 47. Bc4 Ra7 48. Bd5 a4 49. bxa4 Rxa4 50. Bb3 Ra7 51. Kh4 Rc7 52. Bc4 Rd7 53. Bd5 Rc7 54. Bc4 Rc8 55. Kg4 Kh7 56. Kh4 Kh6 57. Kg4 Rd8 58. Bd5 Rd6 59. Kh4 c4 60. Kg4 c3 61. Kh4 Ra6 62. Bb3 Ra5 63. Kg4 Rc5 64. Kh4 Rc6 65. Bd5 Rc5 66. Bb3 Rc8 67. Kg4 Rc5 68. Kh4 Ra5 69. Kg4 Ra8 70. Kh4 Rd8 71. Bd5 Rd6 72. Kg4 Kh7 73. Kh4 Rb6 74. Bb3 Ra6 75. Kg4 Ra7 76. Kh4 Re7 77. Kg4 Re8 78. Kh4 Rh8 79. Kg4 Rf8 80. Kh4 Ra8 81. Kg4 Ra3 82. Kh4 Ra5 83. Kg4 Kh8 84. Kh4 Ra6 85. Kg4 Rd6 86. Bd5 Kh7 87. Kh4 Kh6 88. Kg4 Rd7 89. Kh4 Rd8 90. Kg4 Rb8 91. Bb3 Rb5 92. Kh4 Rb6 93. Kg4 Rb7 94. Kh4 Rd7 95. Bd5 Ra7 96. Bb3 Ra8 97. Kg4 Rd8 98. Bd5 Rd7 99. Kh4 Kh7 100. Kg4 Rd8 101. Kh4 Rc8 102. Bb3 Rc7 103. Kg4 Kh8 104. Kh4 Rd7 105. Bd5 Re7 106. Kg4 Rd7 107. Kh4 Kh7 108. Kg4 Kh6 1/2-1/2

