[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.11"]
[Round "11"]
[White "Yao, Haiyang"]
[Black "Fels, Mattis"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1098"]
[BlackElo "1395"]
[PlyCount "129"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 d3 6. Nf4 c4 7. Nf3 g5 8. Nh5 g4 9. Ng1 e5 10. f3 Nh6 11. h3 gxh3 12. Bxh3 Bxh3 13. Rxh3 Qb6 14. Rh1 Bc5 15. Nh3 Rg8 16. c3 Nd7 17. Qa4 0-0-0 18. b4 Be7 19. b5 Nc5 20. Qxc4 Qg6 21. Nf2 f5 22. Ba3 b6 23. Bxc5 Bxc5 24. Nxd3 Qd6 25. Ke2 Rd7 26. Nxc5 Qxd2+ 27. Kf1 bxc5 28. Nf6 Rxg3 29. Qxc5+ Rc7 30. Qf2 Qxf2+ 31. Kxf2 Rg6 32. Nd5 Rf7 33. exf5 Nxf5 34. Rh5 Kd7 35. Re1 Kd6 36. Rd1 Kc5 37. Ne3 Nxe3 38. Rxe5+ Kc4 39. Kxe3 Kxc3 40. Rc5+ Kb4 41. Rdc1 Re6+ 42. Kf2 Ref6 43. R5c3 Kxb5 44. Rb3+ Ka6 45. Rc4 Rf4 46. Rxf4 Rxf4 47. Kg3 Rd4 48. f4 Rd2 49. Rf3 Rxa2 50. f5 Rd2 51. f6 Rd8 52. f7 Rf8 53. Kg4 Kb6 54. Kg5 a5 55. Kh6 a4 56. Kg7 a3 57. Kxf8 a2 58. Ra3 a1N 59. Rxa1 h5 60. Ke7 h4 61. f8Q h3 62. Qc8 h2 63. Rb1+ Ka7 64. Qb8+ Ka6 65. Qa8# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "9"]
[White "Chua, Daniel James"]
[Black "Yao, Haiyang"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "1314"]
[BlackElo "1098"]
[PlyCount "63"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bc4 Bc5 6. d4 Be7 7. 0-0 0-0 8. Nc3 Bg4 9. Bxf4 Nbd7 10. h3 Bh5 11. g4 Bg6 12. Nb5 c6 13. Nc7 Rc8 14. d6 Nd5 15. dxe7 Nxe7 16. Re1 Nd5 17. Nxd5 cxd5 18. Bxd5 Bxc2 19. Qe2 Qb6 20. Rac1 Ba4 21. Rxc8 Rxc8 22. Qe7 Qg6 23. b3 Bc6 24. Bxc6 Qxc6 25. Rc1 Qxc1+ 26. Bxc1 Rxc1+ 27. Kg2 Nf8 28. Ne5 Rc2+ 29. Kf3 Rc8 30. Qxf7+ Kh8 31. d5 h6 32. d6 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "10"]
[White "Teng, David"]
[Black "Yao, Haiyang"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1423"]
[BlackElo "1098"]
[PlyCount "89"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. 0-0 Be7 6. dxe5 dxe5 7. Ng5 Bxg5 8. Qh5 g6 9. Qxg5 Qxg5 10. Bxg5 h6 11. Be3 Ngf6 12. Nc3 Nf8 13. Rad1 g5 14. f3 Ng6 15. g3 Rh7 16. Rd6 Ke7 17. Bc5 Nd7 18. Ba3 Kd8 19. Rfd1 Kc7 20. Kg2 h5 21. Bxf7 Rxf7 22. Rxg6 g4 23. Bd6+ Kb6 24. fxg4 hxg4 25. Na4+ Ka6 26. c4 b6 27. Bb4 Kb7 28. Rdd6 Nb8 29. Bc3 Bd7 30. Bxe5 Na6 31. Bf4 Raf8 32. e5 Be8 33. Rh6 Nb4 34. e6 Rf5 35. Rh7+ Ka6 36. c5 Nxa2 37. Rd8 Nc1 38. Re7 Ne2 39. Rexe8 Nxf4+ 40. gxf4 Rxe8 41. Rxe8 Rxf4 42. Nc3 bxc5 43. e7 Rf7 44. Ne4 Kb5 45. Nd6+ 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "8"]
[White "Yao, Haiyang"]
[Black "Hellriegel, Hannes"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1098"]
[BlackElo "1335"]
[PlyCount "149"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. h3 d6 6. d3 h6 7. 0-0 g5 8. Nh2 Qe7 9. Be3 Bb6 10. a4 a6 11. Bxb6 cxb6 12. Bd5 Be6 13. Bxc6+ bxc6 14. d4 Rg8 15. d5 Bd7 16. Qd2 c5 17. h4 Qf8 18. Nf3 Qg7 19. Rae1 gxh4 20. Nxh4 Bh3 21. f3 Qg5 22. Qxg5 Rxg5 23. Re2 Nh5 24. Rff2 Bc8 25. Kh2 Bd7 26. b3 Rc8 27. Nd1 b5 28. a5 Rb8 29. Ne3 Ke7 30. Nef5+ Kf8 31. Nxd6 Nf4 32. Rd2 Rh5 33. g3 Ng6 34. Ndf5 Bxf5 35. exf5 Nxh4 36. gxh4 Rxh4+ 37. Kg3 Rf4 38. Rh2 Kg7 39. d6 Rd8 40. Rd5 Rxf5 41. Rhd2 c4 42. Rc5 cxb3 43. cxb3 Rf6 44. d7 Re6 45. Rc8 Rg6+ 46. Kf2 Rxd7 47. Rxd7 h5 48. Rcc7 Rf6 49. Kg3 Rg6+ 50. Kh4 Rf6 51. Re7 Rxf3 52. Rxe5 Kf6 53. Ree7 Rxb3 54. Rxf7+ Ke5 55. Ra7 Rb4+ 56. Kxh5 Rc4 57. Rxa6 Rc1 58. Rb6 Rh1+ 59. Kg6 Rg1+ 60. Kh7 Rh1+ 61. Kg8 Rg1+ 62. Rg7 Ra1 63. Rxb5+ Kf6 64. Rb6+ Kf5 65. a6 Rc1 66. a7 Rc8+ 67. Kh7 Ra8 68. Rb8 Rxa7 69. Rxa7 Kg4 70. Rb5 Kf4 71. Ra4+ Ke3 72. Rb3+ Kd2 73. Ra2+ Kc1 74. Rbb2 Kd1 75. Rb1# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "7"]
[White "Lee, Ho In"]
[Black "Yao, Haiyang"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1396"]
[BlackElo "1098"]
[PlyCount "109"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. c3 Bg4 6. Be3 Nf6 7. Nbd2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. h3 Bh5 11. Qc2 Bg6 12. Qb3 Nxe3 13. fxe3 Na5 14. Qb5 Nxc4 15. Qxc4 exd4 16. exd4 Bg5 17. Nxg5 Qxg5 18. Nf3 Qe3+ 19. Rf2 Bd3 20. Qxc7 Ba6 21. Re1 Qh6 22. Qe5 Qc6 23. Qe4 Qc4 24. a3 Qb5 25. Qe5 Qc6 26. d5 Qb6 27. Nd4 Bb5 28. Nf5 f6 29. Qe6+ Qxe6 30. dxe6 Be8 31. Rd2 g6 32. Nd6 Kg7 33. e7 Rh8 34. Nxb7 Bc6 35. Nd8 Be8 36. c4 Rc8 37. b3 Kh6 38. Rd6 Kg7 39. Ree6 f5 40. Ra6 Rc7 41. Re1 Bd7 42. e8Q Bxe8 43. Ne6+ Kf6 44. Nxc7+ Kf7 45. Nxe8 Rxe8 46. Rxa7+ Kf8 47. Rxe8+ Kxe8 48. c5 h5 49. c6 Kd8 50. Rb7 Kc8 51. a4 g5 52. a5 g4 53. a6 gxh3 54. a7 hxg2 55. a8R# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "6"]
[White "Yao, Haiyang"]
[Black "Hagn, Tobias"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1098"]
[BlackElo "1337"]
[PlyCount "85"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Be6 8. Bb3 Bb4 9. 0-0 g5 10. Bg3 Bxc3 11. bxc3 Bg4 12. h3 Bxf3 13. Qxf3 Qe7 14. a4 Na5 15. h4 c6 16. Rae1 Nxb3 17. cxb3 Kd7 18. d4 g4 19. Qd3 Kc7 20. d5 cxd5 21. exd5 Rac8 22. c4 Kb8 23. b4 Nd7 24. f4 f6 25. Qe3 Rxc4 26. Bf2 b6 27. a5 Rxb4 28. axb6 Nxb6 29. fxe5 fxe5 30. Qa3 Ra4 31. Qb3 Qb7 32. Rb1 Ra6 33. Qb4 Qxd5 34. Rfd1 Qc6 35. Rxd6 Qc7 36. Qd2 h5 37. Bg3 Re8 38. Rd7 Qc6 39. Rd8+ Rxd8 40. Qxd8+ Qc8 41. Bxe5+ Ka8 42. Qxc8+ Nxc8 43. Rb8# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.07"]
[Round "5"]
[White "Wang, Kaiwen"]
[Black "Yao, Haiyang"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1151"]
[BlackElo "1098"]
[PlyCount "126"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 Re8 9. Re1 d5 10. exd5 Rxe1+ 11. Qxe1 Nxd5 12. Bd2 Bb7 13. Qe4 g6 14. Bh6 Be7 15. Nxd5 cxd5 16. Qf4 d4 17. Bc4 Bf6 18. Re1 Qd6 19. Qxd6 cxd6 20. Bf4 d5 21. Bd3 g5 22. Bg3 h5 23. h3 a5 24. Be5 Re8 25. Bb5 Rxe5 26. Rxe5 Bxe5 27. a4 Kf8 28. Bd3 Bc8 29. f3 f5 30. Be2 g4 31. Bd3 gxh3 32. gxh3 f4 33. Kh2 Kf7 34. Bh7 Kf6 35. Kg2 Bf5 36. Bxf5 Kxf5 37. b3 Ke6 38. Kf2 Kd6 39. Ke2 Kc5 40. Kd3 Kb4 41. Kd2 Ka3 42. Kd3 Kb2 43. Kd2 h4 44. Kd1 Kc3 45. Kc1 d3 46. b4 axb4 47. a5 Bd4 48. cxd3 Kxd3 49. a6 Ke3 50. Kc2 Kxf3 51. Kd3 Ba7 52. Kd2 Kg3 53. Ke2 b3 54. Kd3 b2 55. Kc2 f3 56. Kd2 b1Q 57. Kc3 Qc1+ 58. Kd3 Qa3+ 59. Kd2 Be3+ 60. Kc2 f2 61. Kd1 f1Q+ 62. Kc2 Qe2+ 63. Kb1 Qab2# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.06"]
[Round "4"]
[White "Yao, Haiyang"]
[Black "Wagener, Nicolas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1098"]
[BlackElo "1315"]
[PlyCount "40"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 a6 4. Bg2 Qc7 5. d3 Nf6 6. Nge2 Nc6 7. 0-0 b5 8. h3 Be7 9. Be3 Bb7 10. Qd2 h5 11. f4 0-0-0 12. a4 b4 13. Nd1 d6 14. c3 h4 15. cxb4 Nxb4 16. e5 Nfd5 17. Bxd5 Nxd5 18. Ndc3 Qc6 19. Rf2 Nxe3 20. Qxe3 Qh1# 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.06"]
[Round "3"]
[White "Yao, Haiyang"]
[Black "Wetzig, Karl Anton"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1098"]
[BlackElo "884"]
[PlyCount "49"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. Nc3 Nf6 5. h3 d6 6. d3 0-0 7. Bg5 Be6 8. Bb3 h6 9. Bh4 g5 10. Bg3 Qe7 11. Qd2 Nh5 12. h4 f6 13. hxg5 Nxg3 14. fxg3 hxg5 15. 0-0-0 Qg7 16. Bxe6+ Rf7 17. Bxf7+ Kxf7 18. Rh2 Rh8 19. Rxh8 Qxh8 20. Rf1 g4 21. Ng5+ Kg6 22. Ne6 Bb6 23. Nd5 Ba5 24. Qf2 Qc8 25. Qxf6+ 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "1"]
[White "Allen, Phillipp"]
[Black "Yao, Haiyang"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1467"]
[BlackElo "1098"]
[PlyCount "95"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. dxe5 dxe5 5. Be3 c6 6. Bc4 Be7 7. 0-0 h6 8. c3 Ngf6 9. Nbd2 0-0 10. h3 b5 11. Bb3 Bb7 12. a4 Qc8 13. axb5 cxb5 14. Bc2 Ba6 15. Bd3 Ne8 16. Qb3 Nd6 17. Rfd1 Nf6 18. Nxe5 Bb7 19. Ng6 Re8 20. Nxe7+ Rxe7 21. Qa3 Re6 22. e5 Rxe5 23. Bf4 Qc6 24. Nf3 Rd5 25. Bf1 Rxd1 26. Rxd1 Nc4 27. Bxc4 Qxc4 28. Nd4 Qd5 29. f3 Nh5 30. Bh2 Qg5 31. Qa5 Rd8 32. Rf1 Qe3+ 33. Kh1 Re8 34. Qxb5 Bc8 35. Qxh5 Ba6 36. Rg1 Qf2 37. Qg4 Re1 38. Rxe1 Qxe1+ 39. Bg1 Bf1 40. Nf5 g6 41. Nxh6+ Kg7 42. Nf5+ Kg8 43. Qg3 Qb1 44. Qb8+ Kh7 45. Qf8 Qxf5 46. Bd4 f6 47. Bxf6 Qd7 48. Qh8# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "2"]
[White "Dotschuweit, Erik"]
[Black "Yao, Haiyang"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1323"]
[BlackElo "1098"]
[PlyCount "21"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Be7 5. 0-0 h6 6. dxe5 dxe5 7. Qd5 Nb6 8. Qxf7+ Kd7 9. Qe6+ Ke8 10. Qg6+ Kd7 11. Nxe5# 1-0

