[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.24"]
[Round "9"]
[White "Ning, Jiayu"]
[Black "Sun, Jiahao"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "158"]
[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. Nc3 g6 3. Bc4 Nc6 4. Nf3 Bg7 5. 0-0 e6 6. d3 Nge7 7. Re1 0-0 8. Bf4 d5 9. exd5 exd5 10. Bb3 a6 11. Ne5 Be6 12. Nxc6 Nxc6 13. a4 Rc8 14. Qd2 Nd4 15. Rad1 Nxb3 16. cxb3 d4 17. Ne4 Bxb3 18. Rc1 Bxa4 19. Nxc5 Bc6 20. f3 Qb6 21. b4 Rfe8 22. Ne4 Bxe4 23. Rxe4 Rxc1+ 24. Qxc1 Rxe4 25. fxe4 Qxb4 26. Kf2 Qc3 27. Qb1 b5 28. Ke2 b4 29. Bd2 Qc5 30. Bxb4 Qb5 31. Qe1 f5 32. exf5 Qe5+ 33. Kd2 Qxe1+ 34. Kxe1 gxf5 35. Kf2 Kf7 36. Ke2 Bf8 37. Ba5 Bc5 38. Kd2 Ke6 39. Kc2 Kd6 40. Kb3 Kd5 41. Be1 h6 42. Bd2 h5 43. h3 Ke5 44. Kc4 Bb6 45. Bc1 Ba5 46. g3 Bc3 47. Bf4+ Ke6 48. Bc1 Kd6 49. Ba3+ Ke6 50. Bc1 a5 51. Kb5 Kd5 52. Bf4 Be1 53. Bb8 Ke6 54. Bf4 Kf6 55. Bb8 h4 56. gxh4 Bxh4 57. Kxa5 Bg5 58. Bg3 f4 59. Bf2 Ke5 60. Kb5 f3 61. h4 Be3 62. Bg3+ Kf5 63. Kc4 f2 64. Bxf2 Bxf2 65. Kd5 Kg4 66. Ke4 Kxh4 67. Kf4 Be3+ 68. Kf3 Kg5 69. Ke4 Kg4 70. Kd5 Kf3 71. Kc4 Ke2 72. Kb3 Kxd3 73. Ka2 Kc2 74. Ka3 d3 75. Kb4 d2 76. Ka3 d1Q 77. Kb4 Qd5 78. Ka4 Bd2 79. Ka3 Qb3# 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "8"]
[White "Chen, Tzi Xuen"]
[Black "Ning, Jiayu"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1371"]
[PlyCount "100"]
[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 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. 0-0 Bd6 7. Qc2 0-0 8. Rd1 Qc7 9. Nbd2 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 e5 13. dxe5 Nxe5 14. Nxe5 Rxe5 15. Qd4 Bc5 16. Qd8+ Qxd8 17. Rxd8+ Bf8 18. Bf4 Re6 19. Bh3 Rf6 20. Rxc8 Rxc8 21. Bxc8 Bc5 22. Re1 h6 23. Be3 Bb4 24. Rd1 Kh7 25. Bxb7 c5 26. Be4+ g6 27. a3 Ba5 28. Bxc5 Re6 29. Bd5 Re2 30. b4 Bc7 31. Bxf7 Kg7 32. Bd5 Kf6 33. Bxa7 Ke5 34. Bd4+ Kd6 35. Bf3 Ra2 36. Be3+ Ke7 37. Rd3 g5 38. c5 g4 39. Bxg4 Kf6 40. Bf4 Bxf4 41. gxf4 h5 42. Bxh5 Kf5 43. Rc3 Kxf4 44. c6 Kg5 45. c7 Kxh5 46. c8Q Re2 47. Qc5+ Kg4 48. Rg3+ Kf4 49. Qf8+ Ke5 50. Qe8+ Kf4 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.23"]
[Round "7"]
[White "Ning, Jiayu"]
[Black "Xu, Ri"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "117"]
[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. g3 e5 2. Bg2 Nf6 3. d3 Nc6 4. Nf3 d5 5. 0-0 Be7 6. c4 dxc4 7. dxc4 Qxd1 8. Rxd1 0-0 9. Nc3 Bg4 10. Bg5 Bxf3 11. Bxf3 h6 12. Bxf6 Bxf6 13. e3 e4 14. Bxe4 Bxc3 15. bxc3 f5 16. Bd5+ Kh8 17. Bxc6 bxc6 18. Rd7 Rac8 19. Rad1 Kg8 20. Kg2 Rf7 21. Kf3 Rxd7 22. Rxd7 g5 23. e4 fxe4+ 24. Kxe4 Re8+ 25. Kd3 Rf8 26. Ke2 Re8+ 27. Kf3 g4+ 28. Kxg4 Re2 29. Rxc7 Rxf2 30. Rxa7 Rxh2 31. a4 h5+ 32. Kg5 Rh3 33. a5 Rxg3+ 34. Kxh5 Rxc3 35. a6 Rxc4 36. Rb7 Ra4 37. a7 Ra5+ 38. Kg4 c5 39. Rb8+ Kf7 40. a8Q Rxa8 41. Rxa8 Ke6 42. Rc8 Kd5 43. Kf3 Kd4 44. Ke2 c4 45. Kd2 c3+ 46. Rxc3 Kd5 47. Kd3 Ke5 48. Rc4 Kd5 49. Rh4 Ke5 50. Ra4 Kf5 51. Ke3 Kg5 52. Kf3 Kh5 53. Rg4 Kh6 54. Kf4 Kh5 55. Rg1 Kh6 56. Kf5 Kh7 57. Kf6 Kh8 58. Kf7 Kh7 59. Rh1# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "6"]
[White "Chua, Siang Zhe"]
[Black "Ning, Jiayu"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1025"]
[PlyCount "168"]
[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. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. 0-0 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. Bb5 Nd7 10. Be3 0-0 11. h3 Bh5 12. Re1 Kh8 13. c3 Nf6 14. g4 Bg6 15. Nh4 d5 16. Nxg6+ hxg6 17. exd5 Nxd5 18. Bd2 Re8 19. Re2 Nf4 20. Bxf4 exf4 21. Rxe8+ Qxe8 22. Qf3 g5 23. Bxc6 bxc6 24. Qe4 Qd7 25. d4 Re8 26. Qd3 Qd5 27. b3 c5 28. c4 Qxd4 29. Qxd4 cxd4 30. Rd1 c5 31. Kf1 Kh7 32. Rd2 Kg6 33. Re2 Rxe2 34. Kxe2 f5 35. f3 Kf6 36. Kd3 Ke5 37. Ke2 g6 38. Kd3 Kd6 39. a3 fxg4 40. hxg4 Kc6 41. Ke4 b5 42. cxb5+ Kxb5 43. Kd3 Kc6 44. Kc4 Kb6 45. b4 d3 46. Kxd3 cxb4 47. axb4 Kb5 48. Kc3 Kc6 49. Kc4 Kb6 50. b5 Kb7 51. Kc5 Kc7 52. b6+ Kb7 53. Kb5 Kb8 54. Kc5 Kb7 55. Kb5 Kb8 56. Ka6 Ka8 57. Kb5 Kb7 58. Kc5 Kb8 59. Kc6 Kc8 60. b7+ Kb8 61. Kd6 Kxb7 62. Ke6 Kc6 63. Kf6 Kd5 64. Kxg5 Ke5 65. Kh4 Kf6 66. Kh3 g5 67. Kg2 Ke5 68. Kh1 Kd4 69. Kg2 Ke3 70. Kh3 Kxf3 71. Kh2 Kxg4 72. Kg2 f3+ 73. Kf2 Kf4 74. Kf1 Kg3 75. Kg1 g4 76. Kf1 f2 77. Ke2 Kg2 78. Kd2 f1Q 79. Kc2 Qf3 80. Kc1 Qf2 81. Kb1 Kf3 82. Ka1 g3 83. Kb1 g2 84. Ka1 g1Q# 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.22"]
[Round "5"]
[White "Ning, Jiayu"]
[Black "Kaminskii, Ilia"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1336"]
[PlyCount "42"]
[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 Nf6 3. Nc3 Bb4 4. d3 d6 5. Be2 Bg4 6. h3 Bh5 7. 0-0 0-0 8. Bg5 Bxc3 9. bxc3 h6 10. Bh4 Nbd7 11. Rb1 a6 12. Qd2 Rb8 13. Rfd1 c6 14. c4 Bxf3 15. Bxf6 Nxf6 16. Bxf3 c5 17. c3 b5 18. cxb5 Rxb5 19. Rxb5 axb5 20. Rb1 Qa5 21. Qd1 Ra8 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "3"]
[White "Huang, Yishi"]
[Black "Ning, Jiayu"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1477"]
[PlyCount "145"]
[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 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. Bd3 c6 8. 0-0 Nb6 9. Bxf6 Bxf6 10. c5 Nd7 11. e4 h6 12. Rc1 Re8 13. Bb1 Qc7 14. Qd3 Nf8 15. e5 Be7 16. Nd2 Qd8 17. Qe2 Bg5 18. Bd3 b6 19. Na4 b5 20. Nc3 Bd7 21. Nd1 Qa5 22. f4 Be7 23. Bb1 Rab8 24. Ne3 Qa4 25. Nf3 b4 26. g4 b3 27. a3 Qb5 28. Bd3 Qa5 29. Kh1 Qd8 30. Qg2 Nh7 31. Ng1 f6 32. Nf3 Rf8 33. Rf2 f5 34. Rg1 fxg4 35. Qxg4 Rf7 36. Bg6 Qe8 37. Bxf7+ Qxf7 38. Rfg2 Bf8 39. Nh4 Be8 40. Ng6 Qxg6 41. Qxg6 Bxg6 42. Rxg6 Kf7 43. h4 Rb5 44. f5 exf5 45. Nxf5 Ng5 46. Rxc6 Nf3 47. Rf1 Nd2 48. Nd6+ Kg8 49. Rxf8+ Kxf8 50. Nxb5 Nc4 51. Rc8+ Ke7 52. Nd6 Nxb2 53. Rb8 Nc4 54. Rxb3 Na5 55. Rf3 Nc6 56. Rf7+ Kd8 57. Rxg7 Nxd4 58. Kg2 Ne6 59. Rxa7 Nxc5 60. Ra5 Nd3 61. Kg3 Nxe5 62. Rxd5 Nc6 63. Nf7+ Ke7 64. Nxh6 Ke6 65. Rd1 Na5 66. Ng4 Kf7 67. h5 Nc4 68. a4 Kg7 69. h6+ Kh8 70. Nf6 Nd6 71. Kf4 Nf7 72. Rd7 Ng5 73. Rd8# 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.21"]
[Round "4"]
[White "Ning, Jiayu"]
[Black "Chen, Junyu"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "112"]
[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. g3 c5 2. Bg2 Nc6 3. c4 Nf6 4. Nc3 e6 5. Nf3 Be7 6. 0-0 0-0 7. d3 d6 8. Bf4 h6 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 e5 12. Bxe5 dxe5 13. Qxe5 Bd6 14. Qb5 Qe7 15. Rad1 Rb8 16. Rd2 Bb4 17. Nd5 Nxd5 18. Rxd5 Be6 19. Rd3 Rfc8 20. b3 a5 21. f4 b6 22. Kh1 Bg4 23. Rd5 Qxe2 24. Re5 Qxa2 25. h3 f6 26. Re4 f5 27. Qd5+ Kh8 28. Re5 Be2 29. Rg1 Rd8 30. Qc6 Bd3 31. Qc7 Bd6 32. Qa7 Bxe5 33. fxe5 Qxb3 34. e6 Qxc4 35. e7 Re8 36. Qd7 Be4 37. Re1 Bxg2+ 38. Kxg2 Qa6 39. Qxf5 Qb7+ 40. Kh2 Rxe7 41. Rf1 Ree8 42. Qg6 Rf8 43. Rxf8+ Rxf8 44. Qc2 b5 45. h4 Qb6 46. Qd1 Qf2+ 47. Kh3 Qf1+ 48. Qxf1 Rxf1 49. Kg4 b4 50. h5 b3 51. Kh4 b2 52. g4 b1Q 53. g5 Qe4+ 54. Kh3 Rf3+ 55. Kh2 Qe2+ 56. Kh1 Rf1# 0-1

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "1"]
[White "Chernyshev, Semen1111"]
[Black "Ning, Jiayu"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1535"]
[PlyCount "101"]
[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 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. Qc2 0-0 8. cxd5 exd5 9. Bd3 h6 10. Bh4 Re8 11. 0-0 Ng4 12. Bxe7 Qxe7 13. Rab1 Nb6 14. h3 Nf6 15. Ne5 Nbd7 16. Nxd7 Bxd7 17. b4 Rac8 18. Qb3 Ne4 19. Nxe4 dxe4 20. Bc4 Be6 21. Rfc1 Red8 22. Bxe6 Qxe6 23. Rc5 Rd5 24. Rb2 Rxc5 25. bxc5 Qxb3 26. Rxb3 Rc7 27. Kh2 g5 28. Kg3 Kg7 29. f3 exf3 30. gxf3 f5 31. e4 f4+ 32. Kf2 Kf6 33. Ke2 Ke6 34. Kd3 Rd7 35. Kc4 a6 36. Rb6 Kf7 37. d5 cxd5+ 38. exd5 Ke7 39. Rxh6 Kf8 40. d6 Kg7 41. Re6 Kf7 42. Kd5 a5 43. a4 Kf8 44. Rf6+ Kg7 45. Ke6 Rd8 46. Rf7+ Kg6 47. d7 Ra8 48. Ke7 Rh8 49. Rf8 Rh7+ 50. Ke8 Rxd7 51. Kxd7 1-0

[Event "Da Qing U20 op-B"]
[Site "Da Qing"]
[Date "2019.01.20"]
[Round "2"]
[White "Ning, Jiayu"]
[Black "Jin, Pinyan"]
[Result "1-0"]
[ECO "A38"]
[BlackElo "1304"]
[PlyCount "129"]
[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. g3 g6 2. Bg2 c5 3. c4 Bg7 4. Nf3 Nf6 5. 0-0 0-0 6. Nc3 d5 7. d3 Nc6 8. Bf4 Re8 9. Ne5 Nxe5 10. Bxe5 d4 11. Nb5 Rf8 12. h3 a6 13. Na3 Qb6 14. Rb1 Qe6 15. Bxf6 Bxf6 16. Nc2 Rb8 17. b4 cxb4 18. Nxb4 Bd7 19. Qd2 a5 20. Nd5 b6 21. Rb2 Bc6 22. Qf4 Be5 23. Qe4 Bxd5 24. Qxd5 Qxd5 25. Bxd5 Rfd8 26. Rfb1 b5 27. Rxb5 e6 28. Bf3 Kf8 29. R1b3 Bc7 30. Rc5 a4 31. Rxb8 Bxb8 32. Ra5 Bd6 33. Rxa4 Rb8 34. Kg2 Ke7 35. Ra7+ Ke8 36. a4 Bc5 37. Ra5 Bb4 38. Ra6 Ke7 39. a5 Kd7 40. Ra7+ Ke8 41. a6 Bc5 42. Rc7 Bb6 43. Rc6 Ba7 44. c5 Kd7 45. g4 Rb5 46. Rd6+ Kc7 47. Rxd4 Rxc5 48. Rb4 Kc8 49. Rb7 Rc7 50. Rxa7 Rxa7 51. Bb7+ Kc7 52. Kf3 Kd6 53. Ke4 e5 54. f4 f6 55. f5 g5 56. d4 h6 57. dxe5+ fxe5 58. e3 Kc7 59. Kxe5 Rxb7 60. axb7 Kxb7 61. f6 Kc7 62. f7 Kc6 63. f8Q Kb5 64. Kd5 Kb6 65. Kd6 1-0

