[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.28"]
[Round "9"]
[White "Lu, Miaoyi"]
[Black "Yang, Pengfei"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1545"]
[PlyCount "64"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. g3 g6 8. Bg2 Bg7 9. Nf3 Nbd7 10. Rb1 0-0 11. 0-0 Qc7 12. b3 Rfb8 13. a4 Rb7 14. Bd2 Rab8 15. Qc2 Ng4 16. Rfc1 Qb6 17. h3 Nge5 18. Nxe5 Nxe5 19. Be3 Qa5 20. Kh2 c4 21. bxc4 Nxc4 22. Nd1 Nxe3 23. Rxb7 Rxb7 24. fxe3 Rb4 25. Nc3 Rc4 26. Qb3 Rxc3 27. Qb8+ Bf8 28. Rf1 Rc8 29. Qb3 Bxe2 30. Rf4 Qd2 31. Rd4 Qc2 32. Qxc2 Rxc2 0-1

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.27"]
[Round "7"]
[White "Tsetsenbileg, Munkhbayar"]
[Black "Yang, Pengfei"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1409"]
[PlyCount "125"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 d6 5. cxb5 a6 6. e3 axb5 7. Bxb5+ Bd7 8. Bc4 g6 9. Nc3 Bg7 10. 0-0 0-0 11. e4 Bg4 12. h3 Bxf3 13. Qxf3 Nbd7 14. Qe2 Qb6 15. a4 Rfb8 16. Ra3 Ne5 17. Bb5 Rc8 18. f4 Ned7 19. e5 dxe5 20. fxe5 Nxe5 21. Qxe5 Ng4 22. Qf4 c4+ 23. Kh1 Ne5 24. Be3 Qd6 25. Bd4 f6 26. Bxe5 fxe5 27. Qf7+ Kh8 28. Qe6 Qb4 29. Bc6 Rab8 30. Nd1 Qd2 31. Raf3 Rg8 32. Qxe7 c3 33. R3f2 cxb2 34. Nxb2 Qd4 35. Qa3 e4 36. Nd1 Rb1 37. Ne3 Rxf1+ 38. Rxf1 Qd2 39. Qc1 Qd4 40. Nc2 Qd3 41. Qd1 Qg3 42. Qg4 Qd3 43. Rf2 Rb8 44. Bb5 Qxd5 45. Qd7 Qb3 46. Qc7 Rg8 47. Rf7 Qb1+ 48. Kh2 Qb2 49. Re7 Rf8 50. Ne3 Qd4 51. Rxg7 Qxg7 52. Qxg7+ Kxg7 53. Kg3 g5 54. Bc6 h5 55. a5 h4+ 56. Kh2 Kf6 57. a6 Ke5 58. a7 Kd4 59. Nc2+ Kd3 60. a8Q Rxa8 61. Bxa8 e3 62. Ne1+ Ke2 63. Nf3 1-0

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.27"]
[Round "8"]
[White "Yang, Pengfei"]
[Black "Zhang, Jiaqi"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1475"]
[PlyCount "95"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d4 Nd7 5. 0-0 Ngf6 6. h3 Bh5 7. c3 e6 8. Bf4 c5 9. Re1 Qb6 10. b3 cxd4 11. cxd4 Bb4 12. Rf1 0-0 13. a3 Bd6 14. Bxd6 Qxd6 15. Nbd2 Rac8 16. b4 Rc7 17. Nb3 b6 18. Rc1 Rfc8 19. Rxc7 Rxc7 20. Qd2 h6 21. Rc1 Bg6 22. Qb2 Ne4 23. Nfd2 Nxd2 24. Nxd2 Nb8 25. Rc3 Rxc3 26. Qxc3 Qc6 27. Qxc6 Nxc6 28. e3 Bd3 29. Bf1 Bxf1 30. Kxf1 f6 31. f4 a6 32. Ke2 e5 33. dxe5 fxe5 34. Kd3 exf4 35. exf4 Kf7 36. Nf3 g6 37. g4 Ke6 38. h4 Kf6 39. Kc3 h5 40. gxh5 gxh5 41. Nd4 Nxd4 42. Kxd4 Ke6 43. a4 Kf5 44. Kxd5 Kxf4 45. Kc6 Kg4 46. Kxb6 Kxh4 47. Kxa6 Kg4 48. b5 1-0

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.26"]
[Round "5"]
[White "Li, Tianbo"]
[Black "Yang, Pengfei"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1538"]
[PlyCount "88"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Ba6 7. Nc3 d6 8. g3 g6 9. Bg2 Bg7 10. e4 Nbd7 11. Nge2 0-0 12. 0-0 Ne5 13. f4 Nd3 14. Qc2 c4 15. Be3 Ng4 16. Qd2 Nxe3 17. Qxe3 Nxb2 18. Rab1 Rb8 19. Nd4 Qb6 20. e5 dxe5 21. fxe5 Qc5 22. Rfe1 Nd3 23. Ne4 Rxb1 24. Rxb1 Qa7 25. Nf5 Qxe3+ 26. Nxe3 Bxe5 27. Kf1 c3 28. Rb6 Ra8 29. Nxc3 Bxc3 30. Rb1 Rc8 31. Rb6 Nb4+ 32. Kf2 Bd3 33. Bf1 Be4 34. Bg2 Nd3+ 35. Ke2 Nc1+ 36. Kf2 Bxg2 37. Kxg2 Ra8 38. Rc6 Rxa2+ 39. Kh3 Ne2 40. Ng4 h5 41. Nf2 Bd4 42. Ne4 Ng1+ 43. Kh4 Rxh2+ 44. Kg5 Be3# 0-1

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.26"]
[Round "6"]
[White "Yang, Pengfei"]
[Black "Hou, Yifan B"]
[Result "0-1"]
[ECO "A84"]
[BlackElo "1729"]
[PlyCount "108"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. Nc3 d5 5. Bf4 c6 6. e3 Bd6 7. Bxd6 Qxd6 8. cxd5 exd5 9. Bd3 0-0 10. Qc2 Ne4 11. 0-0 Be6 12. Ne2 Nd7 13. Nf4 Bf7 14. Bxe4 fxe4 15. Ng5 h6 16. Nxf7 Rxf7 17. Qd1 Raf8 18. Qg4 Rf5 19. Rac1 Kh7 20. Rc3 g5 21. Nh5 Qg6 22. Ng3 R5f7 23. Qh5 Qe6 24. Qe2 Nf6 25. f4 exf3 26. gxf3 h5 27. Qc2+ Kh8 28. Qg6 Rg8 29. Qf5 Qxf5 30. Nxf5 Kh7 31. Ng3 h4 32. Ne2 g4 33. fxg4 Rxg4+ 34. Kh1 Kg8 35. Rf4 Rg5 36. Rc1 Ng4 37. Rxf7 Kxf7 38. Rf1+ Ke6 39. Nf4+ Kd6 40. Rf3 Rf5 41. Kg2 Nxe3+ 42. Rxe3 Rxf4 43. Rd3 c5 44. dxc5+ Kxc5 45. Rd2 a5 46. Rc2+ Kd4 47. Rc7 Ke3 48. Rxb7 d4 49. Re7+ Re4 50. Rf7 d3 51. Rf3+ Kd2 52. b3 Kc2 53. Rf8 d2 54. Rc8+ Kd3 0-1

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.25"]
[Round "3"]
[White "Li, Baitong"]
[Black "Yang, Pengfei"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1706"]
[PlyCount "103"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c6 5. h3 Bd6 6. Nf3 Nf6 7. 0-0 0-0 8. c3 Re8 9. Re1 h6 10. Nbd2 Be6 11. Nf1 Qc7 12. Ne3 Nbd7 13. Nf5 Bxf5 14. Rxe8+ Rxe8 15. Bxf5 Nb6 16. Bd3 Ne4 17. Qc2 Nd7 18. Be3 b6 19. Re1 Ndf6 20. Nh4 a5 21. Qc1 Qd7 22. Qd1 c5 23. Qf3 c4 24. Bc2 Ng5 25. Qf5 Qxf5 26. Nxf5 Bf8 27. Ba4 Re6 28. Kf1 Nge4 29. Re2 Nd6 30. Nxd6 Bxd6 31. Bc1 Kf8 32. Bb5 Ne8 33. Bd7 Rxe2 34. Kxe2 Nc7 35. a4 Ke7 36. Bc6 Ke6 37. Be3 g5 38. h4 f6 39. hxg5 hxg5 40. g3 Be7 41. Bd2 Kd6 42. Bb7 b5 43. axb5 Nxb5 44. Bc8 Kc6 45. f4 a4 46. fxg5 fxg5 47. Kd1 Nd6 48. Be6 Ne4 49. Be1 Bd6 50. g4 Bf4 51. Bf7 Kd6 52. Bg6 1/2-1/2

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.25"]
[Round "4"]
[White "Yang, Pengfei"]
[Black "San Diego, Jerlyn Mae"]
[Result "1/2-1/2"]
[ECO "A08"]
[BlackElo "1538"]
[PlyCount "110"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 g6 3. d3 Bg7 4. Nbd2 Nc6 5. g3 e6 6. Bg2 Nge7 7. 0-0 0-0 8. c3 d5 9. Qc2 b6 10. Re1 Ba6 11. Nf1 Rc8 12. h4 Qc7 13. Bg5 h6 14. Bd2 Rfd8 15. Rad1 Kh7 16. N1h2 Re8 17. Ng4 c4 18. dxc4 dxe4 19. Nfh2 Bxc4 20. Rxe4 Bxa2 21. b3 f5 22. Ra4 b5 23. Rxa2 fxg4 24. Bxc6 Nxc6 25. h5 Ne5 26. Nxg4 Qf7 27. Nxe5 Bxe5 28. hxg6+ Qxg6 29. Rxa7+ Bg7 30. Rc1 Qxc2 31. Rxc2 Kg6 32. Rb7 Rb8 33. Rxb8 Rxb8 34. c4 bxc4 35. bxc4 Rc8 36. Kg2 Bd4 37. Be3 Bg7 38. c5 Rc6 39. f4 e5 40. Kf3 h5 41. Rd2 exf4 42. gxf4 Bf8 43. Rd5 Be7 44. Ke4 h4 45. f5+ Kf7 46. Kf4 Ra6 47. Rd1 Rc6 48. Rc1 h3 49. Kg3 Kf6 50. Kg4 h2 51. Rh1 Bxc5 52. Bg5+ Ke5 53. Rxh2 Bd4 54. Re2+ Kd5 55. Be7 Rc1 1/2-1/2

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.24"]
[Round "1"]
[White "Wang, Xinbo"]
[Black "Yang, Pengfei"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1581"]
[PlyCount "82"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Ng6 8. h4 h5 9. Qg3 Nc6 10. Nf3 Qa5 11. Bd2 c4 12. Be2 Bd7 13. Ng5 Nce7 14. f4 Nf5 15. Qf2 f6 16. Nf3 Nxf4 17. exf6 gxf6 18. Rb1 Nxe2 19. Kxe2 Qc7 20. Kd1 Ng3 21. Re1 Ne4 22. Qf1 0-0-0 23. Ng1 Qa5 24. Rxe4 dxe4 25. Qxc4+ Qc7 26. Qb4 Bc6 27. Ne2 e5 28. Kc1 Rhg8 29. g3 Rge8 30. Be3 Qb6 31. Qc4 Qa6 32. Qxa6 bxa6 33. dxe5 fxe5 34. Rb4 Rd7 35. c4 Rf8 36. Bc5 Rf1+ 37. Kb2 a5 38. Rb3 Ba4 39. Rc3 Rb7+ 40. Rb3 Bxb3 41. cxb3 Kd7 0-1

[Event "Harbin U20 op"]
[Site "Harbin"]
[Date "2018.01.24"]
[Round "2"]
[White "Yang, Pengfei"]
[Black "Nithyalakshmi, Sivanesan"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1946"]
[PlyCount "100"]
[EventDate "2018.01.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bg4 5. Nbd2 e6 6. 0-0 Nbd7 7. c3 Be7 8. Qc2 0-0 9. Re1 Qc7 10. Nf1 a5 11. e4 dxe4 12. dxe4 e5 13. Ne3 Bxf3 14. Bxf3 g6 15. Kg2 h5 16. h4 Nc5 17. Rh1 Qc8 18. a3 a4 19. Nc4 Qe6 20. Qe2 b5 21. Nd2 Rfd8 22. Nf1 Qd6 23. Bg5 Qd3 24. Re1 Ne6 25. Bxf6 Bxf6 26. Qxd3 Rxd3 27. Be2 Rd7 28. c4 bxc4 29. Bxc4 Nd4 30. Rd1 Rb7 31. Ne3 Rxb2 32. g4 Be7 33. gxh5 gxh5 34. Rh3 Kf8 35. Nf5 Nxf5 36. exf5 Rc2 37. Bd3 Rc3 38. Be4 Rxh3 39. Kxh3 Bxa3 40. Bxc6 Ra6 41. f6 Kg8 42. Rg1+ Kh8 43. Be8 Bb2 44. Bxf7 Rxf6 45. Ba2 Rxf2 46. Rg5 Bd4 47. Rxh5+ Kg7 48. Bd5 a3 49. Rg5+ Kf6 50. Rg2 e4 0-1

