[Event "RBI op Qualifier 2"]
[Site "Lichess.org INT"]
[Date "2020.12.02"]
[Round "2"]
[White "Yu, Zihan"]
[Black "Guo, Xinyu"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1692"]
[PlyCount "146"]
[EventDate "2020.12.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 c5 4. 0-0 e6 5. d3 Be7 6. Nc3 0-0 7. e4 Nc6 8. exd5 exd5 9. a3 h6 10. h3 Re8 11. Kh2 Be6 12. Ne2 Rc8 13. Nf4 Bf5 14. Nh4 Bh7 15. Nf3 Bd6 16. Re1 Bb8 17. Bd2 Qd7 18. Re2 Rxe2 19. Nxe2 d4 20. Bf4 Bxf4 21. Nxf4 Re8 22. Qd2 Bf5 23. Re1 Kf8 24. Nh4 Bh7 25. Nf3 Rxe1 26. Qxe1 Qe7 27. Qxe7+ Kxe7 28. g4 Kd6 29. Kg3 b5 30. h4 Ne5 31. g5 hxg5 32. Nxg5 Bf5 33. Ne4+ Nxe4+ 34. Bxe4 Bxe4 35. dxe4 a5 36. Nh5 g6 37. Nf6 a4 38. f4 Nc4 39. Ne8+ Kd7 40. Nf6+ Ke6 41. Ne8 Kd7 42. Nf6+ Kd8 43. f5 Nxb2 44. fxg6 fxg6 45. Nd5 Nc4 46. Kf4 Kd7 47. Kg5 Ne5 48. Kf6 Kd6 49. Ne7 Ng4+ 50. Kxg6 Kxe7 51. Kg5 Ne5 52. h5 b4 53. h6 Nf7+ 54. Kg6 Nxh6 55. Kxh6 bxa3 56. e5 a2 57. Kg6 a1Q 58. Kf5 Qf1+ 59. Ke4 Qe2+ 60. Kd5 c4 61. Kxd4 Ke6 62. c3 Qd3+ 63. Kc5 Qxc3 64. Kb5 Qxe5+ 65. Kxc4 Qd5+ 66. Kb4 Qb3+ 67. Kc5 Qc3+ 68. Kb5 a3 69. Kb6 Qc4 70. Kb7 Qc5 71. Ka6 Qb4 72. Ka7 a2 73. Ka8 a1R# 0-1

[Event "RBI op Qualifier 2"]
[Site "Lichess.org INT"]
[Date "2020.12.02"]
[Round "4"]
[White "Yu, Zihan"]
[Black "Li, Zimeng"]
[Result "1/2-1/2"]
[ECO "A07"]
[BlackElo "1700"]
[PlyCount "97"]
[EventDate "2020.12.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. 0-0 0-0 5. d3 d5 6. Nc3 c5 7. e4 dxe4 8. dxe4 Nc6 9. Be3 b6 10. Nd5 Nxd5 11. exd5 Nb4 12. c4 Bxb2 13. Rb1 Bg7 14. a3 Na6 15. Nh4 Bb7 16. f4 Qc7 17. f5 Qe5 18. Bf4 Qd4+ 19. Kh1 Qxc4 20. fxg6 fxg6 21. Rc1 Qd4 22. Qg4 Bxd5 23. Rfd1 Bxg2+ 24. Nxg2 Qf6 25. Bg5 Qf5 26. Qxf5 Rxf5 27. Bxe7 Re8 28. Rd7 Nb8 29. Rxa7 Nc6 30. Rb7 Nxe7 31. Nh4 Rf7 32. Rxb6 Bd4 33. Re6 Ref8 34. Kg2 Nd5 35. a4 Ra7 36. Nf3 Ne3+ 37. Kh3 Rxa4 38. Ng5 Ra7 39. Ne4 Rc7 40. Nf6+ Kg7 41. Ne8+ Rxe8 42. Rxe8 c4 43. Re4 Ba7 44. Rc3 Kf6 45. g4 Kg5 46. Re5+ Kf6 47. Re4 Kg5 48. Re5+ Kf6 49. Re4 1/2-1/2

[Event "RBI op Qualifier 2"]
[Site "Lichess.org INT"]
[Date "2020.12.02"]
[Round "1"]
[White "Yu, Zihan"]
[Black "Zhai, Mo"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2366"]
[PlyCount "80"]
[EventDate "2020.12.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. 0-0 Bg7 5. d3 0-0 6. Nc3 c5 7. e4 d4 8. Ne2 Nc6 9. a3 a5 10. Nh4 e5 11. f4 b5 12. f5 c4 13. Bg5 Qd6 14. Bf3 Ba6 15. Kh1 b4 16. g4 b3 17. dxc4 bxc2 18. Qd3 Nd7 19. Ng3 Nc5 20. Qxc2 d3 21. Qg2 Nd4 22. fxg6 fxg6 23. Ngf5 gxf5 24. exf5 Nxf3 25. Rxf3 Bb7 26. Be3 Nb3 27. Rg1 Nd4 28. Bxd4 Qxd4 29. Rd1 Rab8 30. Qg3 Bc6 31. Ng2 Bxf3 32. Qxf3 e4 33. Qh3 Rxb2 34. g5 Qf2 35. Rg1 e3 36. f6 e2 37. fxg7 Kxg7 38. Qh6+ Kg8 39. Nh4 Qxg1+ 40. Kxg1 e1Q# 0-1

[Event "RBI op Qualifier 1"]
[Site "Lichess.org INT"]
[Date "2020.12.01"]
[Round "9"]
[White "Deng, Liang"]
[Black "Yu, Zihan"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "1626"]
[PlyCount "35"]
[EventDate "2020.12.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. c4 Bg7 3. Nc3 d6 4. d4 Nf6 5. f3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Ne7 9. Bh6 a6 10. g4 Ne8 11. h4 c6 12. h5 cxd5 13. cxd5 f5 14. hxg6 Nxg6 15. Bxg7 Nxg7 16. Qh6 f4 17. Qxh7+ Kf7 18. Rh6 1-0

[Event "RBI op Qualifier 1"]
[Site "Lichess.org INT"]
[Date "2020.12.01"]
[Round "7"]
[White "Vignesh, B."]
[Black "Yu, Zihan"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1912"]
[PlyCount "75"]
[EventDate "2020.12.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. b3 g6 2. Bb2 Nf6 3. g4 Bg7 4. g5 Nh5 5. Bxg7 Nxg7 6. Nf3 d5 7. h3 e6 8. d4 0-0 9. e3 Nd7 10. Bd3 c5 11. Nbd2 a6 12. c3 b5 13. Qc2 Bb7 14. 0-0-0 c4 15. Be2 Nb6 16. e4 a5 17. Ne5 Qxg5 18. f4 Qe7 19. h4 cxb3 20. axb3 dxe4 21. h5 e3 22. Ndf3 Nxh5 23. Rxh5 gxh5 24. Rh1 f5 25. Rxh5 a4 26. b4 Bxf3 27. Bxf3 a3 28. Qg2+ Qg7 29. Rg5 Ra7 30. Kb1 Na4 31. Bb7 Nxc3+ 32. Ka1 Rf7 33. Nxf7 Qxg5 34. Nxg5 Kf8 35. Nxe6+ Ke7 36. Nc5 e2 37. Qg7+ Kd6 38. Qd7# 1-0

[Event "RBI op Qualifier 1"]
[Site "Lichess.org INT"]
[Date "2020.12.01"]
[Round "1"]
[White "Volkov, Sergey"]
[Black "Yu, Zihan"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2557"]
[PlyCount "119"]
[EventDate "2020.12.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nf3 0-0 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Nd7 10. b4 a6 11. c5 f5 12. f3 Nf6 13. Nc4 f4 14. Bf2 g5 15. a4 h5 16. h3 Ng6 17. cxd6 cxd6 18. b5 Bd7 19. Nxd6 Bxh3 20. Nxb7 Qc7 21. Nc5 Bxg2 22. Rg1 Bh3 23. Rxg5 Kh7 24. bxa6 Bh6 25. Rg1 Qa5 26. Qd2 Rfb8 27. Nb5 Qxd2+ 28. Kxd2 Nd7 29. a7 Rc8 30. Rac1 Nxc5 31. Rxc5 Rxc5 32. Bxc5 Bd7 33. Nc7 Rc8 34. a8Q Rxa8 35. Nxa8 Bxa4 36. Nb6 Bb3 37. Rb1 Ba2 38. Ra1 Bb3 39. Ra3 Bxd5 40. Nxd5 h4 41. Bf1 Bg5 42. Bh3 Kh6 43. Ra6 Kh5 44. Bg4+ Kh6 45. Bf5 h3 46. Rxg6+ Kh5 47. Rxg5+ Kxg5 48. Bxh3 Kh4 49. Bg4 Kg3 50. Bd6 Kh4 51. Bxe5 Kg3 52. Bf6 Kh2 53. e5 Kg3 54. e6 Kf2 55. e7 Kg2 56. e8Q Kg3 57. Qe1+ Kg2 58. Nxf4+ Kh2 59. Qf2+ Kh1 60. Qg2# 1-0

[Event "RBI op Qualifier 1"]
[Site "Lichess.org INT"]
[Date "2020.12.01"]
[Round "8"]
[White "Yu, Zihan"]
[Black "He, Yinjin"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "71"]
[EventDate "2020.12.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 c6 4. Nf3 Nd7 5. 0-0 Ngf6 6. e4 dxe4 7. dxe4 g6 8. Nc3 Bg7 9. Nh4 0-0 10. h3 Nc5 11. Be3 Ne6 12. Kh2 b6 13. Qe2 Qe7 14. f4 exf4 15. gxf4 Nc5 16. e5 Nfd7 17. Bxc6 Rb8 18. Qf2 Ba6 19. Rg1 Bb7 20. Nd5 Qd8 21. Bxb7 Rxb7 22. Rad1 Qc8 23. Ne7+ Kh8 24. Nxc8 Ne4 25. Qf3 Rxc8 26. Qxe4 Rbc7 27. c3 Nc5 28. Bxc5 Rc6 29. Bd6 Rd8 30. Qxc6 a5 31. Qxb6 Rg8 32. Qxa5 f6 33. Nxg6+ hxg6 34. Rxg6 Kh7 35. Rxg7+ Rxg7 36. exf6 1-0

[Event "RBI op Qualifier 1"]
[Site "Lichess.org INT"]
[Date "2020.12.01"]
[Round "3"]
[White "Zhang, Xuan"]
[Black "Yu, Zihan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2343"]
[PlyCount "117"]
[EventDate "2020.12.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 Nf6 5. Qd2 Nc6 6. 0-0-0 0-0 7. Bh6 e5 8. d5 Ne7 9. f3 a6 10. h4 Nh5 11. Nge2 f5 12. Bxg7 Nxg7 13. Qh6 Rf7 14. g3 Qf8 15. Bh3 fxe4 16. fxe4 Bxh3 17. Rxh3 Nh5 18. Qg5 Qg7 19. Rhh1 h6 20. Qe3 Nf6 21. Rhf1 Raf8 22. Qg1 Nh5 23. Rxf7 Rxf7 24. Qa7 g5 25. Qxb7 gxh4 26. gxh4 Ng6 27. Rg1 Nhf4 28. Nxf4 exf4 29. h5 Rf6 30. Rxg6 Rxg6 31. hxg6 f3 32. Qc8+ Qf8 33. Qxf8+ Kxf8 34. Kd2 Kg7 35. Ke3 f2 36. Kxf2 Kxg6 37. Kf3 Kg5 38. Ne2 a5 39. a4 h5 40. Kg3 Kf6 41. Kh3 Ke5 42. Ng3 Kf4 43. Kh4 Kf3 44. b4 axb4 45. a5 Ke3 46. a6 Kd2 47. a7 Kxc2 48. a8Q b3 49. Qa4 Kc3 50. Qa3 Kc2 51. Ne2 b2 52. Qa2 Kd3 53. Qxb2 Kxe4 54. Qd4+ Kf3 55. Nc3 Kg2 56. Qe3 Kf1 57. Qe2+ Kg1 58. Kh3 h4 59. Qe1# 1-0

