[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.30"]
[Round "7.6"]
[White "Yan, Haichen"]
[Black "Madel, Luca"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1403"]
[BlackElo "1335"]
[PlyCount "101"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Barnim Schachfreunde"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 h6 8. Bf4 Bd6 9. Bg3 Qe7 10. Qc2 Be6 11. Nf3 Bxg3 12. hxg3 Nbd7 13. a3 a5 14. Rb1 Qd6 15. b4 axb4 16. axb4 Ke7 17. b5 Rhb8 18. bxc6 bxc6 19. 0-0 Ra7 20. Rxb8 Qxb8 21. Rb1 Rb7 22. Nd2 Rxb1+ 23. Qxb1 Qxb1+ 24. Bxb1 Nb6 25. Kf1 Kd6 26. Nb3 Nc4 27. Nc5 Nd2+ 28. Ke2 Nxb1 29. Nxb1 Bf5 30. Nd2 Ne4 31. Ndxe4+ Bxe4 32. g4 Bxg2 33. f3 Bh3 34. Kf2 f5 35. Kg3 fxg4 36. fxg4 Bf1 37. g5 Be2 38. gxh6 gxh6 39. Kh4 Bf3 40. Kg3 Be4 41. Kf4 h5 42. Kg5 Bf3 43. Nd3 Be2 44. Nf4 Bg4 45. Nxh5 Bxh5 46. Kxh5 c5 47. dxc5+ Kxc5 48. Kg5 Kc4 49. Kf5 Kd3 50. Ke5 Kxe3 51. Kxd5 1/2-1/2

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.29"]
[Round "6.4"]
[White "Mueller, Anker"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1548"]
[BlackElo "1403"]
[PlyCount "53"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin Empor"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nge2 0-0 7. 0-0 d6 8. d3 a6 9. a3 e5 10. Qc2 Bg4 11. h3 Be6 12. Be3 Qd7 13. Kh2 Rab8 14. Rab1 Rfc8 15. b4 Nd4 16. Bxd4 cxd4 17. Nd5 Bxd5 18. exd5 Bh6 19. Qa2 b5 20. f4 Ne8 21. fxe5 bxc4 22. Nxd4 dxe5 23. Nc6 cxd3 24. Nxe5 Qa4 25. Nxf7 Bg7 26. d6 Rc2 27. Nh6+ 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.29"]
[Round "5.4"]
[White "Yan, Haichen"]
[Black "Teng, David"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1403"]
[BlackElo "1489"]
[PlyCount "74"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Duesseldorf SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Be6 8. Nf3 Nbd7 9. Qc2 h6 10. Bf4 Rc8 11. Qb3 Nb6 12. 0-0 0-0 13. Rfc1 c5 14. Qd1 c4 15. Bc2 Nbd7 16. b3 Ba3 17. Rcb1 Qa5 18. Ne2 c3 19. b4 Qa6 20. Bd3 Qb6 21. Rb3 Bb2 22. Rb1 Ne4 23. a4 Ndf6 24. Be5 Bd7 25. a5 Qe6 26. b5 a6 27. Nf4 Qe7 28. Bxf6 Nxf6 29. Qc2 axb5 30. Bxb5 Bxb5 31. Rxb5 Qd7 32. Rb4 Rc4 33. Ne5 Qc7 34. Nxd5 Nxd5 35. Rxc4 Qd6 36. Nd3 Ba3 37. Rxb7 Qa6 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.28"]
[Round "3.7"]
[White "Meitzner, Johan Eduard"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1383"]
[BlackElo "1403"]
[PlyCount "62"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Eichsfeld"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. h3 d5 8. exd5 Nxd5 9. Nxd5 exd5 10. d4 Re8 11. Be3 Qb6 12. Rb1 Bf5 13. b3 Nb4 14. Rb2 Rad8 15. Nf4 Be4 16. Bxe4 dxe4 17. d5 Bf6 18. Rb1 Bd4 19. a3 Nxd5 20. Nxd5 Rxd5 21. c3 Qe6 22. cxd4 cxd4 23. Bf4 Qxh3 24. g4 h5 25. g5 Qh4 26. Qd2 Rf5 27. Bg3 Rxg5 28. Kg2 e3 29. Qe2 Re4 30. Rh1 Qf4 31. Qf3 h4 0-1

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.28"]
[Round "4.4"]
[White "Yan, Haichen"]
[Black "Bergmann, Rafael Antonio"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1403"]
[BlackElo "1545"]
[PlyCount "94"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Lichtenberg Borussia"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 d5 5. cxd5 exd5 6. e3 0-0 7. Bd3 c6 8. Nf3 Nbd7 9. 0-0 Re8 10. Qc2 h6 11. Bf4 Qe7 12. Rfe1 Ne4 13. a3 Ba5 14. b4 Bb6 15. Nd2 Ndf6 16. Be5 Nxd2 17. Qxd2 Bc7 18. Bxc7 Qxc7 19. Be2 Bf5 20. Bd3 Ne4 21. Nxe4 Bxe4 22. Rac1 Qd6 23. f3 Bg6 24. e4 dxe4 25. Bxe4 Rad8 26. Bxg6 Qxg6 27. Rxe8+ Rxe8 28. Re1 Rxe1+ 29. Qxe1 Kf8 30. Qe4 Qf6 31. Qe5 Qxe5 32. dxe5 Ke7 33. Kf2 Ke6 34. Ke3 Kxe5 35. f4+ Kd5 36. Kd3 h5 37. g3 f6 38. a4 b6 39. h3 c5 40. bxc5 bxc5 41. g4 h4 42. a5 c4+ 43. Ke3 g5 44. fxg5 fxg5 45. a6 Ke5 46. Kf3 Kd4 47. Kf2 Kd3 0-1

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.27"]
[Round "1.1"]
[White "Retzlaff, Nick"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1527"]
[BlackElo "1403"]
[PlyCount "29"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Kornwestheim"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 Nxe4 8. Qg4 Ng5 9. h4 e5 10. Qxg5 Qxg5 11. hxg5 exd4 12. Bxd4 0-0 13. Bd3 Re8+ 14. Kd2 g6 15. Rxh7 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.27"]
[Round "2.6"]
[White "Yan, Haichen"]
[Black "Greive, Jakob"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1403"]
[BlackElo "1558"]
[PlyCount "122"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Tegernsee"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be6 6. e3 c5 7. Bb5+ Nc6 8. Qa4 Bd7 9. Nxd5 a6 10. Nxf6+ gxf6 11. Bxf6 Qxf6 12. d5 Ne5 13. Bxd7+ Nxd7 14. Qb3 b5 15. Nf3 c4 16. Qc3 Qxc3+ 17. bxc3 Bg7 18. Kd2 Ne5 19. Nxe5 Bxe5 20. f4 Bf6 21. e4 Rd8 22. Kc2 Bg7 23. Rad1 f6 24. Rhe1 0-0 25. Rd4 f5 26. e5 Rfe8 27. d6 Re6 28. a4 Bf8 29. axb5 axb5 30. g3 Kf7 31. h3 Ree8 32. Rb1 Rb8 33. Rd5 Red8 34. Rdxb5 Rbc8 35. Rb7+ Kg6 36. R1b6 Ra8 37. Kb2 h5 38. h4 Kh6 39. Rb4 Rac8 40. Rc7 Rxc7 41. dxc7 Rc8 42. Rb8 Rxc7 43. Rxf8 Rg7 44. Rxf5 Rxg3 45. Rg5 Rg4 46. Rf5 Rxh4 47. e6 Rh2+ 48. Kc1 Re2 49. Re5 Rxe5 50. fxe5 Kg7 51. Kd2 Kf8 52. Ke3 Ke7 53. Kd4 h4 54. Ke4 Kxe6 55. Kf4 h3 56. Kg3 Kxe5 57. Kxh3 Ke4 58. Kg3 Kd3 59. Kf2 Kxc3 60. Ke2 Kb2 61. Kd2 c3+ 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.06.03"]
[Round "9"]
[White "Yan, Haichen"]
[Black "Rodriguez Klasen, Ennio"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1251"]
[BlackElo "1526"]
[PlyCount "111"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 bxc4 5. bxc4 g6 6. Bb2 d6 7. Nd2 Bg7 8. Ngf3 0-0 9. g3 Nbd7 10. Bg2 Nb6 11. Qc2 Qd7 12. 0-0 Qa4 13. Rac1 Qxc2 14. Rxc2 Bf5 15. Rcc1 Na4 16. Bxf6 Bxf6 17. e4 Bc8 18. Rfe1 Nb2 19. Re3 Bd7 20. e5 dxe5 21. Nxe5 Bxe5 22. Rxe5 Nd3 23. Rxe7 Nxc1 24. Rxd7 Nxa2 25. Ne4 Nb4 26. d6 Rad8 27. Rxa7 f5 28. Nxc5 Rxd6 29. Rd7 Rxd7 30. Nxd7 Rd8 31. Nf6+ Kg7 32. Nd5 Nxd5 33. Bxd5 g5 34. f3 h5 35. h3 Kf6 36. f4 g4 37. h4 Rc8 38. Kf2 Re8 39. Bc6 Re7 40. Bd5 Kg7 41. Bg2 Kf7 42. Bf1 Ke6 43. Bd3 Ra7 44. Ke2 Ra2+ 45. Kf1 Rd2 46. Be2 Kd6 47. Kf2 Kc5 48. Ke3 Rxe2+ 49. Kxe2 Kxc4 50. Ke3 Kc3 51. Ke2 Kc2 52. Ke3 Kd1 53. Kd4 Ke2 54. Ke5 Kf3 55. Kxf5 Kxg3 56. Ke5 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.06.02"]
[Round "8"]
[White "Iachanou, Daniel"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1532"]
[BlackElo "1251"]
[PlyCount "94"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 Bxc3+ 8. bxc3 d5 9. exd5 Nxd5 10. Bd2 Qf6 11. 0-0 Nxd4 12. cxd4 Qxd4 13. Bb5+ Bd7 14. Bxd7+ Kxd7 15. Bg5 Qxd1 16. Rfxd1 f6 17. c4 fxg5 18. cxd5 Kd6 19. dxe6+ Kxe6 20. Re1+ Kf6 21. Rab1 b6 22. Rb3 Rhe8 23. Rf3+ Kg6 24. Rfe3 Rxe3 25. Rxe3 Rd8 26. Kf1 Rd2 27. Ra3 a5 28. g3 Kf5 29. Kg2 g4 30. Ra4 g5 31. Kf1 h5 32. Kg2 Ke5 33. Kf1 Kd5 34. Kg2 Rd4 35. Ra3 Rd2 36. Ra4 Kc5 37. Kf1 Kb5 38. Ra3 Ka6 39. Ke1 Rc2 40. Kf1 b5 41. Re3 Rxa2 42. Re6+ Kb7 43. Re7+ Kc6 44. Re5 a4 45. Rxg5 a3 46. Rxh5 Ra1+ 47. Ke2 a2 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.06.01"]
[Round "7"]
[White "Yan, Haichen"]
[Black "Lupei, Denis"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1251"]
[BlackElo "1374"]
[PlyCount "95"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c4 e6 4. Nc3 Bb4 5. Rc1 Nf6 6. a3 Bxc3+ 7. Rxc3 c6 8. Nf3 Nbd7 9. Qb3 dxc4 10. Qxb7 Nd5 11. Bg5 f6 12. Bxf6 gxf6 13. Rxc4 Ne7 14. Qb4 Rb8 15. Qc3 Nb6 16. Rb4 Nbd5 17. Rxb8 Qxb8 18. Qc1 Be4 19. Nd2 Bg6 20. e4 Nb6 21. f3 Qf4 22. g3 Qe3+ 23. Be2 Qxd4 24. Nb3 Qe5 25. Kf2 Kf7 26. Rd1 Rc8 27. f4 Qxe4 28. Bd3 Qa4 29. Nc5 Qa5 30. b4 Bh5 31. bxa5 Bxd1 32. axb6 axb6 33. Nb7 Rc7 34. Nd6+ Kg7 35. Ne8+ Kf8 36. Nxc7 Nd5 37. Nxd5 cxd5 38. Qxd1 Ke7 39. Bxh7 Kd6 40. f5 e5 41. Qb3 Kc5 42. Bg8 Kd4 43. Qxd5+ Kc3 44. Qc4+ Kd2 45. Bd5 b5 46. Qb3 b4 47. Be4 Kc1 48. Qc2# 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.31"]
[Round "5"]
[White "Ramming, Moritz"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1597"]
[BlackElo "1251"]
[PlyCount "41"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 Bb4 7. f3 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Bd2 Qa5 11. Nxd5 cxd5 12. c3 Bd6 13. Qc2 Ba6 14. b4 Qb6 15. Qa4+ Ke7 16. Bxa6 Be5 17. Be2 Rhc8 18. Rc1 Rc7 19. Qa3 Rac8 20. Ba6 Bxc3 21. b5+ 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.31"]
[Round "6"]
[White "Yan, Haichen"]
[Black "Tomi, Emilian"]
[Result "1/2-1/2"]
[ECO "E13"]
[WhiteElo "1251"]
[BlackElo "1552"]
[PlyCount "127"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 d5 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 h6 8. Bh4 b6 9. 0-0 Bxc3 10. bxc3 Bb7 11. cxd5 exd5 12. Qe2 Re8 13. Ba6 Qc8 14. Bxb7 Qxb7 15. Bxf6 Nxf6 16. c4 Rac8 17. cxd5 Qxd5 18. Qa6 Qa8 19. Rfc1 c5 20. dxc5 bxc5 21. Qa5 Nd7 22. Rc3 Qb7 23. Rb3 Nb6 24. Rc1 c4 25. Rb2 Re7 26. Nd2 Rec7 27. Qc3 Qd5 28. Rbc2 Nd7 29. Qd4 Qxd4 30. exd4 Nb6 31. Rc3 Kf8 32. Kf1 Ke7 33. Ke2 Kd6 34. Kf3 Kd5 35. Ne4 Nd7 36. Rd1 f5 37. Ng3 g6 38. h4 Nf6 39. Ne2 g5 40. hxg5 hxg5 41. Ng3 f4 42. Ne2 Ne4 43. Rc2 Rf8 44. Nc3+ Nxc3 45. Rxc3 Rg7 46. Rdc1 g4+ 47. Ke2 Rc7 48. Kd2 Rff7 49. Kc2 Rfe7 50. Rd1 Re2+ 51. Rd2 Rxd2+ 52. Kxd2 Kxd4 53. Ra3 Kc5 54. Ra5+ Kd4 55. Rf5 Ke4 56. Rg5 Rd7+ 57. Kc3 Rd3+ 58. Kxc4 Rd2 59. Rxg4 Kf5 60. f3 Rxa2 61. Rg8 a5 62. Rf8+ Kg5 63. Rg8+ Kf5 64. Rf8+ 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.30"]
[Round "4"]
[White "Spielvogel, Oliver"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1304"]
[BlackElo "1251"]
[PlyCount "112"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Be7 6. Nge2 d5 7. exd5 exd5 8. 0-0 0-0 9. h3 d4 10. Nb5 a6 11. Na3 Qc7 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Nc4 Qc7 15. Kh2 b5 16. Nd2 Bb7 17. Re1 Ne5 18. Nf4 Bxg2 19. Nxg2 Rfe8 20. Re2 Ng6 21. Qf1 Rxe2 22. Qxe2 Re8 23. Qf1 Ne5 24. Re1 Qa5 25. Nb3 Nf3+ 26. Kh1 Rxe1 27. Nxe1 Qxe1 28. Qxe1 Nxe1 29. Nxc5 Nxc2 30. Nxa6 Nd5 31. Kg1 Ne1 32. Nc5 Nb4 33. Kf1 Nexd3 34. Nxd3 Nxd3 35. Ke2 Nxb2 36. Kd2 Na4 37. Kd3 Nc3 38. a3 Nb1 39. Kxd4 Nxa3 40. Kc3 f5 41. Kb4 Nb1 42. Kxb5 Nc3+ 43. Kc4 Ne4 44. Kd4 Nxf2 45. h4 Nh1 46. Ke3 Nxg3 47. Kf4 Nf1 48. Kxf5 Kf7 49. Kg5 h6+ 50. Kf4 Kf6 51. Kg4 g6 52. Kf3 Kf5 53. h5 g5 54. Kf2 Nd2 55. Kg3 Ne4+ 56. Kf3 Nf6 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.29"]
[Round "3"]
[White "Yan, Haichen"]
[Black "Schroeder, Hannes Artur"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "1251"]
[BlackElo "1343"]
[PlyCount "86"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 c6 7. Bd3 0-0 8. 0-0 h6 9. Bh4 b6 10. Rc1 Bb7 11. Re1 c5 12. cxd5 Nxd5 13. Bxe7 Qxe7 14. e4 Nxc3 15. bxc3 Rfd8 16. d5 Nf6 17. e5 Nxd5 18. Qa4 Nf4 19. Qxf4 Rxd3 20. h3 Bxf3 21. gxf3 Qg5+ 22. Qxg5 hxg5 23. Kg2 Rad8 24. a4 Rd2 25. Ra1 Rc2 26. Rec1 Rdd2 27. Rxc2 Rxc2 28. Ra3 Kh7 29. Kg3 Kg6 30. Rb3 Ra2 31. Kg2 Rxa4 32. Rb2 Ra3 33. Rc2 c4 34. Kg3 b5 35. f4 b4 36. f3 Rxc3 37. Rb2 b3 38. fxg5 Rc2 39. Rb1 b2 40. h4 c3 41. Kg4 Rc1 42. Rxc1 bxc1Q 43. h5+ Kh7 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "2"]
[White "Krueger, Moritz"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1582"]
[BlackElo "1251"]
[PlyCount "51"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bf4 c6 8. Bd3 0-0 9. Nf3 Bg4 10. h3 Bh5 11. g4 Bg6 12. Bxg6 fxg6 13. g5 Nh5 14. Bxb8 Rxb8 15. Ne5 Bxg5 16. Nxg6 Rf6 17. Qxh5 Qe8 18. h4 Bxe3 19. fxe3 Qxe3+ 20. Ne2 Re8 21. Ne5 Re7 22. Rf1 Rxf1+ 23. Kxf1 Qh3+ 24. Kf2 Qh2+ 25. Ke3 Qh3+ 26. Kd2 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "1"]
[White "Yan, Haichen"]
[Black "Kateryniuk, Ivan"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1251"]
[BlackElo "1631"]
[PlyCount "48"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. c4 c6 5. e3 Nbd7 6. Nc3 Be7 7. cxd5 exd5 8. Bd3 Nh5 9. Bg3 Nxg3 10. hxg3 Nf6 11. Qc2 h6 12. a3 Bd6 13. Ne2 Bg4 14. Ne5 Bxe2 15. Kxe2 0-0 16. Rh3 c5 17. f4 cxd4 18. exd4 Rc8 19. Qd2 Re8 20. Kf3 Ne4 21. Bxe4 dxe4+ 22. Ke3 Qb6 23. Ke2 e3 24. Qd3 Qxb2+ 0-1

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.30"]
[Round "7"]
[White "Sosnicki, Adrian"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1132"]
[BlackElo "1217"]
[PlyCount "102"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Leipzig Turm"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Bd3 Be7 7. Be3 Nc6 8. Nf3 0-0 9. 0-0 a6 10. Rc1 Ng4 11. Bb1 Nxe3 12. fxe3 Bg5 13. Re1 Bh6 14. a3 e5 15. Rc2 Bg4 16. Rf2 Bxe3 17. Rxe3 exd4 18. Rd3 dxc3 19. Rxd6 Qa5 20. Qc2 cxb2 21. e5 g6 22. Qxb2 Bxf3 23. gxf3 Qxe5 24. Rd7 Qxb2 25. Rxb2 b5 26. Be4 Ne5 27. Re7 Rae8 28. Rxe8 Rxe8 29. Bb7 Nc4 30. Ra2 Re3 31. a4 Ra3 32. Rxa3 Nxa3 33. axb5 axb5 34. Kf1 b4 35. Bd5 Kf8 36. Ke2 Ke7 37. Kd3 f6 38. Kd2 Kd6 39. Bg8 h6 40. f4 Kc5 41. Bf7 g5 42. fxg5 fxg5 43. Ke3 Nc4+ 44. Kf2 b3 45. Kg3 b2 46. Bg6 Kd4 47. h4 Nd2 48. hxg5 Ne4+ 49. Bxe4 Kxe4 50. gxh6 b1Q 51. h7 Qg1+ 0-1

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.29"]
[Round "5"]
[White "Al Marawi, Yousef"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1545"]
[BlackElo "1217"]
[PlyCount "63"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Erkenschwick"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 b5 8. Bd3 Bb7 9. f3 Qb6 10. Be3 d5 11. exd5 Bxd5 12. Bf2 Bc5 13. Nb3 Bxf2+ 14. Rxf2 Bxb3 15. cxb3 b4 16. Ne4 Nd5 17. Bc4 Ne3 18. Qd3 Nxc4 19. bxc4 0-0 20. c5 Rd8 21. cxb6 Rxd3 22. b7 Ra7 23. Rc2 Rd8 24. Rc8 Rf8 25. Nd6 a5 26. Rac1 b3 27. Rxb8 bxa2 28. Rxf8+ Kxf8 29. b8Q+ Ke7 30. Qxa7+ Kxd6 31. Qc7+ Kd5 32. Rd1# 1-0

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.29"]
[Round "6"]
[White "Yan, Haichen"]
[Black "Kalinin, Alexej"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1217"]
[BlackElo "1330"]
[PlyCount "100"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Weimar"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 Nf6 5. e3 b6 6. Ne5 Bd6 7. cxd5 exd5 8. Bb5+ Bd7 9. Nxd7 Nbxd7 10. Bc6 Rb8 11. Nxd5 0-0 12. 0-0 Ne4 13. Qb3 Kh8 14. Nb4 Qe7 15. Nd5 Qe6 16. Nxc7 Bxh2+ 17. Kxh2 Qxc6 18. Na6 Rbd8 19. Nb4 Qd6+ 20. Kg1 Rf6 21. Nd5 Rh6 22. Nf4 g5 23. Nh3 Ndf6 24. f3 Qg3 25. Kh1 Nf2+ 26. Rxf2 Qxf2 27. Qb5 g4 28. Qxf5 gxh3 29. gxh3 Qf1+ 30. Kh2 Rg6 31. Qxg6 hxg6 32. e4 Rc8 33. d5 Rxc1 34. Rxc1 Qxc1 35. Kg3 Qxb2 36. a4 Qe5+ 37. Kf2 Nxd5 38. exd5 Qxd5 39. a5 Qa2+ 40. Kg3 Qxa5 41. f4 g5 42. fxg5 Qxg5+ 43. Kf2 a5 44. Ke2 a4 45. Kd3 Qb5+ 46. Kc2 a3 47. h4 a2 48. h5 a1Q 49. h6 Qab2+ 50. Kd1 Qf1# 0-1

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.28"]
[Round "4"]
[White "Jablonski, Ture"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1038"]
[BlackElo "1217"]
[PlyCount "106"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 c4 6. Nbd2 Bd6 7. Bxd6 Qxd6 8. Ne5 Nc6 9. Ndf3 Ne4 10. Be2 f6 11. Nxc6 bxc6 12. Nd2 Nxd2 13. Qxd2 c5 14. 0-0 Rb8 15. Rab1 0-0 16. b3 Ba6 17. bxc4 Bxc4 18. Bxc4 dxc4 19. h3 e5 20. Rfd1 Rfd8 21. Rxb8 Rxb8 22. dxe5 Qxd2 23. Rxd2 fxe5 24. Rd5 Rb1+ 25. Kh2 Rc1 26. Rxe5 Rxc3 27. Rxc5 Rc2 28. Kg3 h6 29. Rc7 a5 30. a3 Ra2 31. Rxc4 Rxa3 32. Rc8+ Kf7 33. Ra8 Ke6 34. Kf4 Kd5 35. e4+ Kc6 36. e5 Kb7 37. e6 Kxa8 38. e7 Ra4+ 39. Kf5 g6+ 40. Kxg6 Re4 41. Kf7 Rxe7+ 42. Kxe7 a4 43. f4 a3 44. f5 a2 45. f6 a1Q 46. f7 Qe5+ 47. Kd8 Qf6+ 48. Ke8 Qe6+ 49. Kf8 Kb8 50. Kg7 Qe7 51. Kg8 Qg5+ 52. Kh7 Qf6 53. Kg8 Qg6+ 0-1

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.28"]
[Round "3"]
[White "Yan, Haichen"]
[Black "Geschke, Jonathan"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1217"]
[BlackElo "1151"]
[PlyCount "99"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Fritzdorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bf4 Bb7 10. Rc1 c5 11. dxc5 bxc5 12. Qb3 Qa5+ 13. Kd1 Qb6 14. Qb5 Bc6 15. Qa6 Qxa6 16. Bxa6 0-0 17. Ne5 Nxe5 18. Bxe5 Bf6 19. Bd6 Bxb2 20. Rb1 Rfd8 21. Bxc5 Bf6 22. Ke2 Re8 23. Bb7 Bxb7 24. Rxb7 Rac8 25. Bxa7 Rc2+ 26. Kf3 Rxa2 27. Rhb1 Rf8 28. Bc5 Rd8 29. Rb8 h6 30. Rxd8+ Bxd8 31. Rb8 Rd2 32. Rxd8+ Kh7 33. Rd7 f6 34. Bd4 Kg6 35. Rxd5 Kf7 36. h4 g5 37. hxg5 hxg5 38. Rf5 g4+ 39. Kxg4 Ke7 40. Bxf6+ Ke6 41. Bd4 Rxf2 42. Rxf2 Kd5 43. Kh4 Ke4 44. g4 Kd3 45. g5 Ke4 46. g6 Kd3 47. g7 Ke4 48. g8Q Kd3 49. Qf7 Ke4 50. Qf5# 1-0

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.27"]
[Round "1"]
[White "Neumeier, Konstantin"]
[Black "Yan, Haichen"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1443"]
[BlackElo "1217"]
[PlyCount "111"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Kelheim"]
[BlackTeam "Walldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d6 5. Nc3 Nf6 6. Bg5 Be7 7. Nf3 a6 8. Bd3 Nc6 9. a3 0-0 10. 0-0 b5 11. Qe2 h6 12. Be3 b4 13. axb4 Nxb4 14. Rad1 Nxd3 15. Rxd3 a5 16. e5 Ne8 17. Ra1 Ba6 18. h3 dxe5 19. Nxe5 Bxd3 20. Qxd3 Bf6 21. Qe4 Nd6 22. Qf3 Nf5 23. Qg4 Nxe3 24. fxe3 Bxe5 25. dxe5 Qg5 26. Qxg5 hxg5 27. Ne4 f6 28. exf6 gxf6 29. Nc5 Rfe8 30. Ne4 Kg7 31. Rf1 Rf8 32. Nc5 Kf7 33. Nd7 Rh8 34. Ne5+ Kg7 35. Nd7 f5 36. Nc5 Rh6 37. Rd1 Rc8 38. Nb7 Rb8 39. Nxa5 Rxb2 40. Nc4 Rc2 41. Ne5 Rc5 42. Nf3 g4 43. hxg4 fxg4 44. Ng5 Rxg5 45. Kf2 Rf6+ 46. Kg3 Re5 47. Kxg4 Rxe3 48. Kg5 Re4 49. g4 Rg6+ 50. Kh4 Rgxg4+ 51. Kh3 Kf6 52. Kh2 Re2+ 53. Kh3 Reg2 54. Rf1+ Kg5 55. Rf5+ Kh6 56. Rh5+ 1/2-1/2

[Event "GER-chT U12"]
[Site "Muenchen"]
[Date "2022.12.27"]
[Round "2"]
[White "Yan, Haichen"]
[Black "Burban, Victor"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1217"]
[BlackElo "1357"]
[PlyCount "57"]
[EventDate "2022.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Walldorf"]
[BlackTeam "Paderborn Akademie"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. d5 Ne8 8. 0-0 f5 9. Bg5 Nf6 10. Bxf6 Bxf6 11. b4 f4 12. c5 g5 13. h3 h5 14. Nh2 Qe8 15. Bxh5 Qe7 16. Ng4 dxc5 17. bxc5 Qxc5 18. Qb3 Kg7 19. Rac1 Qe7 20. Nb5 Na6 21. Rfd1 Rh8 22. d6 cxd6 23. Rxd6 Bd7 24. Rxf6 Rxh5 25. Nd6 Rf8 26. Nf5+ Bxf5 27. Rxf5 Rxf5 28. exf5 Kh7 29. Rc8 1-0

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.11"]
[Round "9"]
[White "Hellmann, Alexander"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "949"]
[BlackElo "1188"]
[PlyCount "62"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 a6 6. Nf3 e6 7. Be3 b5 8. a3 Bb7 9. Be2 Nxe4 10. Nxe4 Bxe4 11. 0-0 Be7 12. Nd2 Bg6 13. Nb3 Nd7 14. f4 Rc8 15. Rc1 0-0 16. d5 Rxc1 17. Bxc1 Qb6+ 18. Kh1 Nf6 19. dxe6 fxe6 20. Nd4 Ne4 21. Be3 e5 22. Qb3+ Bf7 23. Ne6 Qb7 24. fxe5 dxe5 25. Rf5 Bf6 26. Bh5 Bxh5 27. Nd8+ Bf7 28. Nxf7 Qxf7 29. Qb4 Be7 30. Rxf7 Bxb4 31. Ra7 Rf1+ 0-1

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "8"]
[White "Yan, Haichen"]
[Black "Steinkamp, Matthis"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1188"]
[BlackElo "942"]
[PlyCount "96"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Be7 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bb2 0-0 12. Bd3 Qd6 13. h3 Bf6 14. Bxf6 Qxf6 15. 0-0 Bf5 16. Re1 Rad8 17. Qc2 Bxd3 18. Qxd3 d4 19. Qb3 a6 20. Rad1 Rd7 21. Re2 Rfd8 22. Red2 h6 23. Qb2 d3 24. Qxf6 gxf6 25. Ne1 Ne5 26. f4 Nc4 27. Rxd3 Rxd3 28. Rxd3 Rxd3 29. Nxd3 Nxe3 30. Nc5 Nc4 31. Nxb7 Nxa3 32. Nc5 Kg7 33. Nxa6 Kg6 34. g4 f5 35. b5 Nxb5 36. Kf2 fxg4 37. hxg4 f5 38. Kf3 Nd6 39. Nc5 fxg4+ 40. Kxg4 h5+ 41. Kh4 Nf5+ 42. Kh3 h4 43. Ne4 Kh5 44. Nf6+ Kg6 45. Ne4 Kh5 46. Nf6+ Kg6 47. Ne4 Kh5 48. Nf6+ Kg6 1/2-1/2

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "7"]
[White "Fize, Aleksandrs"]
[Black "Yan, Haichen"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "933"]
[BlackElo "1188"]
[PlyCount "51"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Bf4 a6 4. e3 Nf6 5. Nf3 c5 6. Ne5 Nc6 7. dxc5 Nxe5 8. Bxe5 Bxc5 9. Na4 Qa5+ 10. c3 Bd7 11. b4 Bxb4 12. cxb4 Qxa4 13. Qd4 Rg8 14. Bd3 Bb5 15. 0-0 Bxd3 16. Qxd3 Qxb4 17. Rab1 Qe7 18. Rfd1 b5 19. Bxf6 Qxf6 20. e4 Rd8 21. Qc2 Qe7 22. Qc6+ Qd7 23. Qxa6 Ke7 24. Rxb5 Ra8 25. Qb6 Rad8 26. Rc1 0-1

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "5"]
[White "Classen, Miguel"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "881"]
[BlackElo "1188"]
[PlyCount "57"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bc4 b5 8. Bb3 b4 9. Nxe6 Bxe6 10. Nd5 Nxd5 11. Bxd5 Bxd5 12. Qxd5 Nd7 13. f4 Rc8 14. Rc1 Nf6 15. Qb7 a5 16. e5 dxe5 17. fxe5 Nd5 18. Rd1 Rc7 19. Bb6 Rxb7 20. Bxd8 Kxd8 21. Rxd5+ Rd7 22. Rxa5 g6 23. 0-0 Bc5+ 24. Kh1 Bd4 25. Ra8+ Kc7 26. Rxh8 Bxe5 27. Rxh7 Bxb2 28. Rh4 Bf6 29. Rxb4 1-0

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "6"]
[White "Yan, Haichen"]
[Black "Lau, Lars"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1188"]
[BlackElo "929"]
[PlyCount "78"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. c4 Bxc5 4. Nf3 Nc6 5. Nc3 b6 6. e3 Bb7 7. a3 Nf6 8. b4 Be7 9. Bb2 a6 10. Be2 0-0 11. 0-0 Qc7 12. Qc2 Ne5 13. Nxe5 Qxe5 14. Nd5 Qg5 15. Nxe7+ Kh8 16. g3 Rfe8 17. f4 Qh6 18. Qd3 Rxe7 19. Qd6 Ree8 20. Qxb6 Bc6 21. b5 axb5 22. cxb5 Rab8 23. Qc5 Bd5 24. a4 Ne4 25. Qd4 Rbc8 26. Rac1 Qg6 27. Rxc8 Rxc8 28. Bh5 Qh6 29. Bxf7 Rc2 30. Bh5 Nf6 31. g4 Rg2+ 32. Kh1 Rxg4+ 33. e4 Bxe4+ 34. Qxe4 Nxe4 35. Bxg4 Ng3+ 36. Kg2 Nxf1 37. b6 Qxf4 38. b7 Ne3+ 39. Kh3 Qxg4# 0-1

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.07"]
[Round "4"]
[White "Yan, Haichen"]
[Black "Reh, Krispin"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1188"]
[BlackElo "1006"]
[PlyCount "71"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Bg5 e6 7. Ne5 h6 8. Bh4 Bd6 9. e3 0-0 10. Bd3 Nc6 11. Bxf5 exf5 12. Nxd5 Be7 13. Nxe7+ Nxe7 14. 0-0 Rc8 15. Qf3 Nc6 16. Qxf5 Re8 17. Nxc6 Rxc6 18. Rac1 Rce6 19. Rc4 g6 20. Qf3 Kg7 21. Bxf6+ Rxf6 22. Qxb7 Re7 23. Qb3 Rf5 24. Rfc1 Qd6 25. Rc6 Qd7 26. Qc3 Qd5 27. f3 Rg5 28. e4 Qd7 29. d5+ Kh7 30. Rc8 Ree5 31. f4 Qg4 32. g3 Qxf4 33. Rf1 Qxf1+ 34. Kxf1 Kg7 35. h4 Rh5 36. g4 1-0

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.06"]
[Round "3"]
[White "Wolf, Adam"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "926"]
[BlackElo "1188"]
[PlyCount "103"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 a6 5. Bc4 e6 6. Nf3 b5 7. Bb3 Bb7 8. 0-0 Nc6 9. Bf4 Nge7 10. Qd2 Ng6 11. Bg5 Be7 12. Bxe7 Qxe7 13. Rad1 Rd8 14. Rfe1 0-0 15. Qe3 d6 16. Qb6 Rb8 17. Re2 Rfd8 18. Red2 Rd7 19. a4 Ba8 20. Qe3 bxa4 21. Nxa4 Na5 22. Nc5 Rdd8 23. Qd3 Bxe4 24. Nxe4 Nxb3 25. Rc2 d5 26. Ng3 a5 27. Rc3 Nc5 28. Qc2 Na4 29. Qxa4 Rxb2 30. Qxa5 Rbb8 31. Qc7 Qd6 32. Ng5 Rd7 33. Qxd6 Rxd6 34. h3 d4 35. Rcd3 f6 36. N5e4 Rdd8 37. Rxd4 Rxd4 38. Rxd4 Rb1+ 39. Kh2 e5 40. Rd2 Ne7 41. Rd8+ Kf7 42. Nd6+ Ke6 43. Ne8 g6 44. Nc7+ Kf7 45. Ne4 Nc6 46. Rd6 Ne7 47. Rxf6+ Kg7 48. Ne6+ Kh8 49. Rf8+ Ng8 50. Nf6 Rh1+ 51. Kxh1 h5 52. Rxg8# 1-0

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "1"]
[White "Buecker, Phil"]
[Black "Yan, Haichen"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "933"]
[BlackElo "1188"]
[PlyCount "29"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Bf4 Bb4 4. e3 Nf6 5. Bd3 b6 6. a3 Bxc3+ 7. bxc3 c5 8. c4 dxc4 9. Bxc4 0-0 10. Qf3 Nd5 11. Bd3 cxd4 12. exd4 Nc6 13. c4 Nxd4 14. Qe4 Nxf4 15. Qxh7# 1-0

[Event "GER-ch Youth-C"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "2"]
[White "Yan, Haichen"]
[Black "Kanno, Gabriel Felix"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1188"]
[BlackElo "838"]
[PlyCount "83"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Bf5 4. Bxc4 Nc6 5. Nc3 Nf6 6. Nf3 e6 7. Qa4 a6 8. Ne5 b5 9. Bxb5 axb5 10. Qxb5 Qb8 11. Qxc6+ Kd8 12. Nxf7+ Kc8 13. Nb5 Rg8 14. e4 Bxe4 15. Qxe6+ Kb7 16. Bg5 Bc6 17. Bxf6 gxf6 18. Rc1 Bxb5 19. Qxf6 Bg7 20. Qe7 Bxd4 21. Nd6+ Kb6 22. Nc4+ Kb7 23. Qe4+ Kc8 24. Qxd4 Bxc4 25. Qxc4 Rxg2 26. Qe6+ Kd8 27. Qd5+ Kc8 28. Qxg2 Qxb2 29. Qg8+ Kb7 30. Qb3+ Qxb3 31. axb3 Ra3 32. f4 Rxb3 33. f5 Rf3 34. Rf1 Re3+ 35. Kd2 Re7 36. f6 Rf7 37. Ke3 Kc8 38. Ke4 Kd8 39. Ke5 Ke8 40. Ke6 h5 41. Rb1 Kd8 42. Rb8# 1-0

