[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.27"]
[Round "9.9"]
[White "Song, Yuchen"]
[Black "Wang, Chen"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1512"]
[BlackElo "2468"]
[PlyCount "84"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Harbin"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Qf3 Qd6 6. Bc4 e6 7. Ne2 Nd7 8. d4 Qb4+ 9. Qc3 b6 10. Qxb4 Bxb4+ 11. c3 Bd6 12. 0-0 Bb7 13. Bf4 0-0 14. Bxd6 cxd6 15. Ng3 Rac8 16. Bd3 Rc7 17. Ne4 Bxe4 18. Bxe4 Rb8 19. Rfc1 b5 20. a3 Kf8 21. f3 a5 22. Bd3 Ke7 23. Kf2 h6 24. g4 Nf6 25. b3 Nd5 26. c4 bxc4 27. bxc4 Rb2+ 28. Kg3 Ne3 29. Rab1 Rxb1 30. Rxb1 Nxc4 31. Bxc4 Rxc4 32. Rb5 Ra4 33. Rb3 Rxd4 34. h4 Kf6 35. Kf2 Rc4 36. Ke3 a4 37. Rd3 d5 38. f4 g5 39. fxg5+ hxg5 40. hxg5+ Kxg5 41. Kf3 Rf4+ 42. Ke2 Kxg4 0-1

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.26"]
[Round "8.9"]
[White "Song, Yuchen"]
[Black "Lu, Shanglei"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1512"]
[BlackElo "2624"]
[PlyCount "80"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Harbin"]
[BlackTeam "Zhejiang"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Qb6 7. a3 e5 8. Nb3 Be6 9. Bg5 Nbd7 10. Bh4 Be7 11. Bf2 Qc6 12. Bd3 b5 13. 0-0 0-0 14. Be3 Nb6 15. Nd2 Rfd8 16. Qe2 Nc4 17. Bxc4 bxc4 18. Rfd1 Rab8 19. Rab1 Rb7 20. Nf1 Rdb8 21. Bc1 Bd8 22. Ne3 Bb6 23. Kh1 Bd4 24. Ned5 Bxd5 25. exd5 Qc5 26. Na4 Qb5 27. c3 Ba7 28. Qc2 Nxd5 29. Rf1 h6 30. f4 e4 31. Qxe4 Re7 32. Qc2 Rbe8 33. b3 cxb3 34. Qd1 b2 35. Bxb2 Ne3 36. c4 Qxc4 37. Qc1 Qxf1+ 38. Qxf1 Nxf1 39. Rxf1 Re1 40. Rxe1 Rxe1# 0-1

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.25"]
[Round "7.8"]
[White "Zhang, Ziji"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2408"]
[BlackElo "1512"]
[PlyCount "101"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Hebei"]
[BlackTeam "Harbin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 c5 8. b3 Rb8 9. Bb2 a6 10. dxc5 Nxc5 11. Nd4 Ne6 12. Nc2 Bd7 13. Rc1 Bc6 14. Nd5 Bxd5 15. cxd5 Nc5 16. Ne3 Rc8 17. b4 Ncd7 18. Qb3 b5 19. Rc6 Nb8 20. Rxc8 Qxc8 21. Rc1 Qb7 22. Qc2 Nbd7 23. Bd4 Rb8 24. Qb2 Rc8 25. Rc6 Nb8 26. Rc3 Rxc3 27. Qxc3 Ne8 28. Bxg7 Nxg7 29. Ng4 f6 30. h4 Nd7 31. Bh3 Ne5 32. Nxe5 fxe5 33. Qc8+ Qxc8 34. Bxc8 Ne8 35. Bxa6 Nc7 36. Bb7 Kf7 37. e4 e6 38. dxe6+ Kxe6 39. Bc6 d5 40. exd5+ Nxd5 41. Bxb5 Nxb4 42. Bc4+ Kd6 43. Kg2 Kc5 44. Bg8 h6 45. Bf7 g5 46. hxg5 hxg5 47. Kf3 Nd3 48. Ke3 Ne1 49. Bb3 Kc6 50. Ke2 Ng2 51. Kf1 1-0

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.24"]
[Round "6.9"]
[White "Xie, Jianjun"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2427"]
[BlackElo "1512"]
[PlyCount "51"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Hunan"]
[BlackTeam "Harbin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Be7 11. c3 0-0 12. Qe2 a6 13. Re1 b5 14. Nc6 Qc7 15. Nxe7+ Qxe7 16. Bd3 h6 17. a4 bxa4 18. Rxa4 a5 19. Qe5 Qd7 20. Rd4 Qe7 21. Bxh6 Rd8 22. Qg5 g6 23. Bxg6 fxg6 24. Qxg6+ Kh8 25. Rxd8+ Qxd8 26. Qg7# 1-0

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.23"]
[Round "5.9"]
[White "Song, Yuchen"]
[Black "Gong, Sunle"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1512"]
[BlackElo "1697"]
[PlyCount "118"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Harbin"]
[BlackTeam "Qingdao"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Qc7 7. 0-0 Nf6 8. Re1 e6 9. Bg5 Bd6 10. Nbd2 Bxh2+ 11. Kh1 Bd6 12. Qc2 h6 13. Be3 0-0 14. b4 Rfc8 15. Rac1 Ne7 16. Qb3 Bf5 17. Bxf5 Nxf5 18. c4 dxc4 19. Nxc4 Qe7 20. Nxd6 Rxc1 21. Rxc1 Qxd6 22. Qc4 Nd5 23. Bd2 Rd8 24. Qc5 b6 25. Qxd6 Nxd6 26. Be3 Nxb4 27. a3 Nd5 28. a4 Kf8 29. Kg1 Ke7 30. Kf1 Rc8 31. Rxc8 Nxc8 32. Bd2 f6 33. Ke2 Nd6 34. Kd3 g5 35. g3 h5 36. Be1 Kd7 37. Bd2 Kc6 38. Kc2 Ne7 39. Bb4 Nef5 40. Kd3 Kd5 41. a5 Ne4 42. axb6 axb6 43. Be1 g4 44. Nd2 Nxd2 45. Bxd2 Nxd4 46. Be3 e5 47. Bh6 b5 48. Bg7 f5 49. Bf8 Nc6 50. Ba3 b4 51. Bc1 b3 52. Kc3 Ke4 53. Kxb3 Kf3 54. Be3 f4 55. gxf4 exf4 56. Bc5 h4 57. Kc4 h3 58. Kd5 h2 59. Kxc6 h1Q 0-1

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.22"]
[Round "4.9"]
[White "Song, Yuchen"]
[Black "Wu, Wenda"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1512"]
[BlackElo "1735"]
[PlyCount "61"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Harbin"]
[BlackTeam "Ningbo"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Nf6 7. Bf4 e6 8. Nbd2 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. Qb3 Qc7 12. Rfe1 Bh5 13. Ne5 Nxe5 14. Rxe5 Bg6 15. Bxg6 hxg6 16. Qd1 b5 17. Qe2 Rab8 18. Nb3 Nd7 19. Re3 a5 20. Rc1 Rfc8 21. Qg4 Qb6 22. Rh3 b4 23. Qh4 f6 24. Nc5 Nxc5 25. dxc5 Qxc5 26. Qh7+ Kf7 27. Rh6 g5 28. Qg6+ Kg8 29. Qh7+ Kf7 30. Qg6+ Kg8 31. Qh7+ 1/2-1/2

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.21"]
[Round "3.8"]
[White "Fang, Yuxiang"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2463"]
[BlackElo "1512"]
[PlyCount "49"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Shanxi"]
[BlackTeam "Harbin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 0-0 6. Bh6 e5 7. Bxg7 Kxg7 8. Nf3 Nc6 9. d5 Ne7 10. h4 h5 11. Ng5 c6 12. dxc6 bxc6 13. 0-0-0 d5 14. f4 Bg4 15. Be2 Bxe2 16. Nxe2 Nxe4 17. Nxe4 dxe4 18. Qc3 Qc7 19. fxe5 Nd5 20. Rxd5 Qb6 21. e6+ Kh6 22. Rd7 Qf2 23. Nd4 fxe6 24. Nf5+ gxf5 25. Qg7# 1-0

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.20"]
[Round "2.8"]
[White "Song, Yuchen"]
[Black "Liu, Zexu"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1512"]
[BlackElo "2121"]
[PlyCount "134"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Harbin"]
[BlackTeam "Wuxi"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Re1 Nc5 9. Bxc6 dxc6 10. Nxd4 Ne6 11. Nxe6 Qxd1 12. Rxd1 Bxe6 13. Be3 0-0 14. Nd2 Bf5 15. c3 Rad8 16. Nf3 h6 17. Nd4 Bc8 18. Rd2 c5 19. Nf3 Be6 20. a3 Bb3 21. Re1 b6 22. Rxd8 Rxd8 23. Nd2 Be6 24. f4 c4 25. Kf2 c5 26. Nf3 b5 27. Re2 a5 28. Rd2 Rb8 29. Re2 b4 30. Bc1 Bf5 31. Ne1 a4 32. Rd2 bxc3 33. bxc3 Bd8 34. Rb2 Rb3 35. Rxb3 cxb3 36. Bb2 Kf8 37. Ke3 Ke7 38. c4 Ke6 39. h3 g5 40. g4 gxf4+ 41. Kf3 Bh7 42. Ng2 Kd7 43. Nxf4 Bh4 44. Nd5 Kc6 45. Ne3 Bd3 46. Nf5 Bg5 47. Nd6 f6 48. Ne4 Bxe4+ 49. Kxe4 fxe5 50. Kxe5 Be3 51. Ke4 Bf2 52. Kd3 Bh4 53. Ke4 Kd6 54. Kd3 Ke6 55. Bg7 Bg5 56. Bf8 Be3 57. Bg7 Kf7 58. Bb2 Bg5 59. Be5 Bc1 60. h4 Bxa3 61. Bf4 Bb4 62. Be5 a3 63. h5 a2 64. Bb2 Ba3 65. Bxa3 a1Q 66. Bxc5 b2 67. Bd4 b1Q+ 0-1

[Event "CHN-chT"]
[Site "Daqing"]
[Date "2019.06.19"]
[Round "1.9"]
[White "Dai, Changren"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2480"]
[BlackElo "1512"]
[PlyCount "61"]
[EventDate "2019.06.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Tianjin"]
[BlackTeam "Harbin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. b3 e6 8. Bb2 Nbd7 9. Nc3 b6 10. a4 a5 11. Ne5 Nxe5 12. dxe5 Nd7 13. f4 Bb7 14. cxd5 exd5 15. e4 Ba6 16. Rf2 dxe4 17. Nxe4 Qc7 18. Qc2 Rad8 19. Rc1 c5 20. Nd6 Nb8 21. Qe4 h5 22. f5 Bh6 23. Re1 Kh7 24. Nxf7 Qxf7 25. e6 gxf5 26. exf7 Rxf7 27. Rxf5 Rxf5 28. Qxf5+ Kg8 29. Bd5+ Rxd5 30. Re8+ Bf8 31. Qg6# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.24"]
[Round "9"]
[White "Song, Yuchen"]
[Black "Li, Chenru"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "72"]
[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 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Re1 Nc5 9. Bxc6 dxc6 10. Nxd4 0-0 11. Nc3 Re8 12. Bf4 Bf8 13. Bg3 Ne6 14. Nxe6 Bxe6 15. Qe2 Qe7 16. a3 Rad8 17. Qe4 Qc5 18. Bh4 Rd4 19. Qf3 Rxh4 20. Ne4 Qxc2 21. h3 Bd5 22. Rac1 Qa4 23. Nf6+ gxf6 24. Qg3+ Kh8 25. exf6 Rxe1+ 26. Rxe1 Re4 27. Rc1 Re6 28. b4 Qb3 29. Qxc7 Qb2 30. Rf1 Qxf6 31. Qxb7 Qg6 32. f3 Re2 33. Rf2 Re1+ 34. Rf1 Bxf3 35. Kf2 Qxg2+ 36. Kxe1 Qe2# 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "8"]
[White "Chen, Meitong"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "173"]
[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 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 c5 8. dxc5 Nxc5 9. a3 Rb8 10. Rb1 Bf5 11. Ra1 Be6 12. Nd2 Nfd7 13. Nd5 Bxd5 14. cxd5 b5 15. e4 a5 16. Rb1 b4 17. axb4 axb4 18. Nb3 Nxb3 19. Qxb3 Nc5 20. Qe3 Qa5 21. Bd2 Qb5 22. Rfc1 Nd3 23. Bf1 Qa4 24. Qxd3 h5 25. Qc2 Qa7 26. Be3 Qa2 27. b3 Qa3 28. Qd3 Rfc8 29. Rxc8+ Rxc8 30. Bd4 Bxd4 31. Qxd4 Qa2 32. Qb2 Qa7 33. Bc4 Qd7 34. Qd2 Qg4 35. Qf4 Qd7 36. Ra1 Kg7 37. Ra2 Rc5 38. e5 Rc8 39. Qd4 Kh7 40. Ra7 Qe8 41. Qh4 dxe5 42. Qxe7 Qh8 43. Qxf7+ Kh6 44. f4 Rf8 45. Qe7 exf4 46. Qe4 Qb2 47. Ra6 Qg7 48. gxf4 Kh7 49. Qe5 Qd7 50. Qe6 Qg7 51. Qb6 Rxf4 52. Ra7 Rf7 53. Rxf7 Qxf7 54. d6 Qf4 55. Qc7+ Kh6 56. Qc5 Qg4+ 57. Kf1 Qh3+ 58. Ke1 Qc3+ 59. Ke2 Qc2+ 60. Ke3 Qxh2 61. Ke4 Qg2+ 62. Ke5 Qg5+ 63. Kd4 Qg4+ 64. Kd5 Qf5+ 65. Kc6 Qc8+ 66. Kb5 Qb7+ 67. Qb6 Qd7+ 68. Ka6 Qc8+ 69. Qb7 Qh8 70. d7 Qa1+ 71. Kb5 Qe5+ 72. Kc6 Qe4+ 73. Kc7 Qe5+ 74. Kb6 Qd4+ 75. Ka5 Qa1+ 76. Kb5 Qe5+ 77. Qd5 Qb8+ 78. Kc6 Qa8+ 79. Kd6 Qb8+ 80. Ke7 Qa7 81. Ke8 Qe3+ 82. Qe6 Qd4 83. d8Q Qh8+ 84. Kd7 Qd4+ 85. Qd6 Qa7+ 86. Q8c7 Qxc7+ 87. Kxc7 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "7"]
[White "Song, Yuchen"]
[Black "Wang, Yinuo"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "131"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. Bd2 d4 10. Ne2 Bxd2+ 11. Qxd2 Rb8 12. b3 Ng4 13. Qf4 e5 14. Qg3 h5 15. h3 h4 16. Qf3 Nf6 17. Bc4 Qa5+ 18. Kd1 c5 19. Qd3 Bd7 20. f4 Qc7 21. fxe5 Qxe5 22. Re1 Kf8 23. Ng1 Bc6 24. Nf3 Qf4 25. Nd2 Re8 26. Rf1 Qe5 27. Rf5 Qd6 28. a4 Re5 29. Rf1 Qe7 30. Nf3 Bxe4 31. Qe2 Bxf3 32. Qxf3 Kg8 33. Qa8+ Kh7 34. Qf3 Re8 35. Qf2 Rh5 36. Kc1 Kg8 37. Kb2 Qe3 38. Rae1 Qc3+ 39. Kb1 Re3 40. Rxe3 Qxe3 41. Qxe3 dxe3 42. Re1 Re5 43. Kb2 Nh5 44. Kc1 Nf4 45. Rg1 Rg5 46. Kd1 Nxh3 47. Re1 Nf2+ 48. Ke2 Rxg2 49. Kxe3 Ng4+ 50. Kf3 Rg3+ 51. Kf4 Nh6 52. Bd3 g5+ 53. Ke5 Kg7 54. Kd5 h3 55. Kxc5 h2 56. Rh1 Rh3 57. Kd4 g4 58. c4 g3 59. Bf1 Rh4+ 60. Kd5 Nf5 61. c5 Ne3+ 62. Ke5 Nxf1 63. c6 Rh8 64. Rxf1 g2 65. Rxf7+ Kxf7 66. b4 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "6"]
[White "Liu, Jiapeng"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1429"]
[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. c4 Nf6 2. Nc3 g6 3. Nf3 d6 4. d4 Bg7 5. e3 0-0 6. Be2 Nbd7 7. 0-0 Ne8 8. Qb3 c5 9. Rd1 f5 10. Ng5 Nc7 11. Nd5 Nf6 12. dxc5 Ncxd5 13. cxd5 dxc5 14. d6+ Kh8 15. Nf7+ Rxf7 16. Qxf7 exd6 17. Bc4 a6 18. Bd5 Rb8 19. Bd2 Bd7 20. Bc3 b5 21. Bxf6 Bxf6 22. Be6 Bc6 23. Rxd6 Bxb2 24. Rxd8+ Rxd8 25. Rb1 Be4 26. Qe7 Bxb1 27. Qxd8+ Kg7 28. Qg8+ Kh6 29. Qf8+ Kh5 30. h3 c4 31. g4+ Kg5 32. f4+ Kh4 33. Kh2 h5 34. Qe7+ Bf6 35. Qxf6+ g5 36. Qxg5# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "5"]
[White "Zhai, Pinran"]
[Black "Song, Yuchen"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1629"]
[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. Bg5 Be7 6. Nf3 Nc6 7. 0-0 0-0 8. Nbd2 Bg4 9. c3 Re8 10. Qc2 h6 11. Bh4 Nd7 12. Bg3 Bf6 13. Rfe1 Ne7 14. Ne5 Bxe5 15. Bxe5 Nxe5 16. Rxe5 Be6 17. Rae1 Qd7 18. Nf1 c6 19. Ng3 b5 20. Qe2 Kf8 21. Qf3 Kg8 22. Qe2 Rf8 23. f4 Qb7 24. f5 Nxf5 25. Bxf5 Bxf5 26. Nxf5 Kh7 27. Re7 Qc8 28. Qe5 f6 29. Rxg7+ Kh8 30. Qf4 Qxf5 31. Qxh6+ Qh7 32. Qxh7# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "3"]
[White "Song, Yuchen"]
[Black "Cao, Ruoshui"]
[Result "1/2-1/2"]
[ECO "B92"]
[BlackElo "1384"]
[PlyCount "130"]
[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. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 Be6 10. f4 b5 11. a3 Nbd7 12. Be3 Rc8 13. Bf3 Nb6 14. fxe5 dxe5 15. Qe1 Nc4 16. Rd1 Qc7 17. Bc1 Nxa3 18. Nd5 Bxd5 19. exd5 Nxc2 20. Qf2 e4 21. Be2 Nb4 22. Bf4 Bd6 23. Bxd6 Qxd6 24. Nd4 Qe5 25. d6 Qxd6 26. Nxb5 Qe5 27. Nd6 Rc2 28. Nc4 Qc7 29. Rfe1 Nd3 30. Qf1 Nxe1 31. Rxe1 Re8 32. Ne3 Rxb2 33. Bxa6 Qc6 34. Rc1 Qd7 35. h3 Nd5 36. Nxd5 Qxd5 37. Bc4 Qd7 38. Rd1 Qe7 39. Qf5 Qf6 40. Qd7 Rf8 41. Rf1 Rf2 42. Rb1 Qg6 43. Rg1 e3 44. Qe7 Qg3 45. Qe4 Rf4 46. Qd3 Qh4 47. Bb3 Rf3 48. Kh2 Rg3 49. Rf1 Qg5 50. Qc2 Qe5 51. Rf5 Qb8 52. Kh1 e2 53. Rxf7 e1Q+ 54. Rf1+ Qxb3 55. Qxb3+ Rxb3 56. Rxe1 Rb2 57. Kh2 Rff2 58. Rg1 h5 59. Kg3 g5 60. Kh2 h4 61. Kh1 Kg7 62. Ra1 Rxg2 63. Ra7+ Kh6 64. Ra6+ Kh5 65. Rh6+ Kxh6 1/2-1/2

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "4"]
[White "Song, Yuchen"]
[Black "Tikhomirov, Ivan"]
[Result "1-0"]
[ECO "B78"]
[BlackElo "1537"]
[PlyCount "51"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Na5 12. h4 Nc4 13. Bxc4 Rxc4 14. g4 Qa5 15. h5 Nxe4 16. fxe4 Bxg4 17. Rdg1 Bxh5 18. Rg5 Rc5 19. Nb3 Bxc3 20. bxc3 Qa3+ 21. Kb1 Rxg5 22. Bxg5 f6 23. Bh6 Re8 24. Qd5+ Kh8 25. Qf7 Rg8 26. Qxe7 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "1"]
[White "Song, Yuchen"]
[Black "Miao, Yuming"]
[Result "1-0"]
[ECO "C80"]
[BlackElo "1517"]
[PlyCount "73"]
[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 a6 4. Ba4 Nf6 5. d4 Nxe4 6. 0-0 d5 7. Nxe5 Bd7 8. Bxc6 bxc6 9. f3 Nd6 10. Re1 Be7 11. Bf4 0-0 12. Nc3 f6 13. Nxd7 Qxd7 14. Qd3 Nb7 15. Kh1 Bb4 16. a3 Ba5 17. b4 Bb6 18. Na4 a5 19. Nc5 Bxc5 20. bxc5 Nd8 21. Qe3 Kf7 22. Bg3 Ne6 23. Qd3 h6 24. h4 h5 25. Re2 Rfe8 26. Rae1 g6 27. Qd2 a4 28. Bh2 Qc8 29. g4 hxg4 30. fxg4 Qd7 31. Rf2 Ng7 32. Ref1 Re6 33. Be5 Qe7 34. Rxf6+ Rxf6 35. Rxf6+ Qxf6 36. Bxf6 Kxf6 37. Qf4+ 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "2"]
[White "Ye, Fan"]
[Black "Song, Yuchen"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1573"]
[PlyCount "146"]
[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 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 h6 12. Be3 c6 13. Bc4 b5 14. Bb3 Bb7 15. Rd1 Nd7 16. dxc6 Bxc6 17. Rd6 Rec8 18. Rxg6 Bxe4 19. Rd6 Nc5 20. Bxc5 Rxc5 21. 0-0 Bxf3 22. gxf3 a5 23. Rfd1 a4 24. Bd5 Rf8 25. b4 axb3 26. Bxb3 Kh7 27. Rd7 Kg6 28. Kh2 Kh7 29. Bxf7 Rfc8 30. Bd5 R5c7 31. Be4+ Kg8 32. R7d6 Kf8 33. Rb6 Ra7 34. Rd2 Rc5 35. Kg2 Ke7 36. Bc6 b4 37. Be4 Rc4 38. Kg3 Bf6 39. Bd5 Rf4 40. Be4 Bh4+ 41. Kg2 Rf6 42. Rxb4 Rfa6 43. Rbb2 Bg5 44. Rdc2 Bf4 45. Rb7+ Rxb7 46. Bxb7 Ra7 47. Be4 Kf6 48. Rc6+ Ke7 49. Rc2 Kf6 50. Rc6+ Ke7 51. Rc2 Kf6 52. Rb2 Kg5 53. Bd5 Rg7 54. Kf1 Kh4 55. Be6 Ra7 56. Rc2 Kg5 57. Ke2 Kf6 58. Bb3 Ke7 59. a4 Kd6 60. Kd3 Rc7 61. Ra2 Kc6 62. a5 Kb7 63. a6+ Ka7 64. Bd5 Rc5 65. Bb7 Rc7 66. Ke4 Rc1 67. Ra4 Re1+ 68. Kd3 Rd1+ 69. Ke2 Rc1 70. Ra2 Rc7 71. Ra1 Rc2+ 72. Kf1 Rc1+ 73. Rxc1 Bxc1 1/2-1/2

