[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.23"]
[Round "9"]
[White "Zhong, Ryan Yunhui"]
[Black "Xiong, Lang Leo"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1822"]
[BlackElo "1983"]
[PlyCount "63"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 e5 7. dxe5 Qa5+ 8. c3 Qxe5 9. Qb3 b5 10. Bf4 Qf6 11. h4 Bc5 12. h5 Bd3 13. Qd1 Qd8 14. Qd2 Na6 15. Rd1 Bc4 16. Qxd8+ Rxd8 17. Rxd8+ Kxd8 18. b3 Bd5 19. Nf5 g6 20. hxg6 Ne7 21. Be5 Nxf5 22. gxh7 Re8 23. h8Q Rxh8 24. Rxh8+ Kd7 25. Nf4 Be4 26. Bd3 Bxd3 27. Nxd3 Bb6 28. g4 Ne7 29. f4 Nc7 30. Rf8 Ncd5 31. Rxf7 Ne3 32. Rg7 1-0

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.22"]
[Round "7"]
[White "Kung, Thomas"]
[Black "Xiong, Lang Leo"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2222"]
[BlackElo "1983"]
[PlyCount "97"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. 0-0 Qxb2 9. Qe1 cxd4 10. Bxd4 Nxd4 11. Nxd4 Bb4 12. Rb1 Bxc3 13. Rxb2 Bxe1 14. Rxe1 b6 15. Bb5+ Kf8 16. Nxf5 exf5 17. c4 dxc4 18. Bxc4 Rd8 19. Bb3 h5 20. Rc2 Rh6 21. Rc7 Ne7 22. Rxa7 Rc6 23. h4 Rdc8 24. g3 R8c7 25. Rxc7 Rxc7 26. Rd1 Nc8 27. e6 fxe6 28. Bxe6 Ke7 29. Bxf5 Nd6 30. Bd3 Rc3 31. Bg6 Rc5 32. Kg2 Ra5 33. Rd2 Rc5 34. Bc2 Nc4 35. Re2+ Kf6 36. Bb3 Rc6 37. Rc2 Na5 38. Rxc6+ Nxc6 39. Kf3 Ne5+ 40. Ke4 Ng4 41. f3 Ne5 42. a4 g6 43. Ba2 Nd7 44. Kd5 Ne5 45. f4 Nd3 46. Bb1 Nf2 47. Kc6 Nh1 48. Kxb6 Nxg3 49. a5 1-0

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.22"]
[Round "8"]
[White "Xiong, Lang Leo"]
[Black "Swaminathan, Pranav"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1983"]
[BlackElo "1786"]
[PlyCount "60"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Nxd4 cxd4 7. Ne2 Bg7 8. c3 dxc3 9. dxc3 d6 10. 0-0 Nf6 11. h3 0-0 12. Re1 b5 13. a4 Bd7 14. a5 Rc8 15. Be3 Be6 16. Nf4 Bc4 17. Bc2 Qc7 18. Bb6 Qb7 19. b3 Be6 20. Nxe6 fxe6 21. c4 Nd7 22. Bd4 bxc4 23. Bxg7 Kxg7 24. bxc4 Ne5 25. Bd3 Qa7 26. Ra2 Rf4 27. Bf1 Rcf8 28. Ree2 Nxc4 29. Qb3 Ne5 30. Qb6 Ra8 1/2-1/2

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.21"]
[Round "5"]
[White "Park, Evan"]
[Black "Xiong, Lang Leo"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2358"]
[BlackElo "1983"]
[PlyCount "64"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 Qb6 5. Qc1 e6 6. c4 Bxb1 7. Rxb1 Bb4+ 8. Kd1 Qd8 9. a3 Ba5 10. Nf3 dxc4 11. Bxc4 Ne7 12. Ke2 Nd7 13. Ng5 Nb6 14. Bd3 Nbd5 15. Ne4 Bc7 16. Nc5 b6 17. Na6 Rc8 18. Qc2 c5 19. Qa4+ Kf8 20. Rhc1 Nxe3 21. fxe3 Nd5 22. Be4 g6 23. Qb3 Kg7 24. Rf1 Qd7 25. Bxd5 exd5 26. Rf4 Bd8 27. Rbf1 Rf8 28. h4 Be7 29. e4 c4 30. Qf3 dxe4 31. Rxf7+ Kg8 32. Qf6 Qg4+ 0-1

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.21"]
[Round "6"]
[White "Xiong, Lang Leo"]
[Black "Espinosa, Pedro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1983"]
[BlackElo "2238"]
[PlyCount "100"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qa5+ 7. c3 Qxc5 8. Qa4+ Nc6 9. Qxe4 g6 10. Rd1 Qb6 11. Be5 Rg8 12. Nf3 Qxb2 13. Bc4 Bf5 14. Qf4 e6 15. 0-0 Be7 16. Rfe1 Qb6 17. Nd4 Nxe5 18. Qxe5 0-0-0 19. Nxf5 gxf5 20. Rb1 Qc6 21. Bf1 Rd2 22. g3 Qc5 23. Qxc5+ Bxc5 24. Re2 Rgd8 25. Rbe1 Kc7 26. Kg2 a5 27. Rxd2 Rxd2 28. Re2 Rd1 29. Rc2 a4 30. Bb5 a3 31. Bc4 Kd6 32. Kf3 Ke5 33. Ke2 Rh1 34. h4 Bxf2 35. Kf3 Bc5 36. Re2+ Kf6 37. Rd2 Rc1 38. Rd3 Rc2 39. g4 fxg4+ 40. Kxg4 Ke5 41. Bb3 Rc1 42. Rd7 f5+ 43. Kh5 b5 44. Rxh7 Rxc3 45. Rc7 Kd6 46. Rc8 f4 47. Re8 Re3 48. Kg4 f3 49. Rf8 Rxb3 50. axb3 a2 0-1

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.20"]
[Round "3"]
[White "Mendes, Aaron Reeve"]
[Black "Xiong, Lang Leo"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2328"]
[BlackElo "1983"]
[PlyCount "63"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. d4 Nf6 8. Qd3 e6 9. c3 h6 10. Bf4 Bd6 11. Be5 0-0 12. Qc4 Nd5 13. Rd1 Qc7 14. Bd3 Nf4 15. Bxf4 Bxf4 16. Be4 Bd6 17. 0-0 e5 18. dxe5 Be7 19. Bb1 Be6 20. Qe4 g6 21. Nd4 Bd5 22. Qe2 Qc8 23. f4 Kh8 24. f5 Bc5 25. c4 Rd8 26. cxd5 Rxd5 27. Qe3 Qd7 28. Qxh6+ Kg8 29. fxg6 fxg6 30. Qxg6+ Qg7 31. Qe6+ Kh8 32. Rf4 1-0

[Event "North American-ch U20"]
[Site "Dulles"]
[Date "2023.12.20"]
[Round "4"]
[White "Xiong, Lang Leo"]
[Black "Qian, Eric"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1983"]
[BlackElo "1679"]
[PlyCount "99"]
[EventDate "2023.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 a5 7. Nbd2 Ne7 8. 0-0 Ng6 9. d4 Ba7 10. Re1 0-0 11. h3 Re8 12. Bc2 Qe7 13. Nf1 c6 14. Ng3 h6 15. Nf5 Qc7 16. Be3 Be6 17. g4 d5 18. dxe5 Bxe3 19. Rxe3 Nxe5 20. Nxe5 Qxe5 21. exd5 Qxd5 22. Nd4 Bd7 23. Bb3 Qc5 24. Qf3 Rxe3 25. Qxe3 Re8 26. Qd3 Re7 27. Rd1 h5 28. Nf5 Re5 29. Qf3 hxg4 30. hxg4 b5 31. Nh6+ Kf8 32. Rxd7 Re1+ 33. Kg2 a4 34. Rxf7+ Ke8 35. Bc2 gxh6 36. Rxf6 a3 37. Rxc6 Qe5 38. Rc8+ Ke7 39. Qf8+ Ke6 40. Bb3+ Qd5+ 41. Qf3 Kd7 42. Qxd5+ Kxc8 43. Qc6+ Kd8 44. bxa3 Ke7 45. Qxh6 Kd7 46. Qd2+ Kc6 47. Qxe1 Kc5 48. Qe5+ Kb6 49. c4 bxc4 50. Bxc4 1-0

[Event "Dulles Skyline op-A"]
[Site "Dulles"]
[Date "2022.10.10"]
[Round "5"]
[White "Xiong, Lang Leo"]
[Black "Daniels, Jason S"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1773"]
[BlackElo "1972"]
[PlyCount "90"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 Bb7 5. d3 Nc6 6. g3 g6 7. Bg2 Bg7 8. 0-0 d6 9. Kh1 Nh6 10. Ne2 0-0 11. c3 Rc8 12. h3 e6 13. Be3 Na5 14. f5 f6 15. Qc1 Nf7 16. fxg6 hxg6 17. Nf4 Re8 18. Nxg6 c4 19. Ne1 cxd3 20. Nxd3 Nc4 21. Ngf4 Ng5 22. Nf2 d5 23. exd5 e5 24. Nh5 Bxd5 25. Ng4 Bxg2+ 26. Kxg2 Qd5+ 27. Kh2 Nf3+ 28. Rxf3 Qxf3 29. Bh6 Bh8 30. Qc2 e4 31. Kg1 Qf5 32. Nf4 Rcd8 33. Rd1 Kh7 34. Ng2 Rd3 35. Rf1 Qc5+ 36. Kh2 f5 37. b4 Qc8 38. Qf2 Rf3 39. Qa7+ Kg8 40. Rd1 Rd3 41. Rf1 Bxc3 42. Bg5 Bg7 43. Nf6+ Bxf6 44. Bxf6 Qd7 45. Qxa6 Ra3 0-1

[Event "Dulles Skyline op-A"]
[Site "Dulles"]
[Date "2022.10.09"]
[Round "4"]
[White "Pillai, Adithya"]
[Black "Xiong, Lang Leo"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1873"]
[BlackElo "1773"]
[PlyCount "107"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 Nd7 6. Bg2 e5 7. 0-0 Ne7 8. Re1 0-0 9. b4 Qc7 10. Bb2 d4 11. c3 dxc3 12. Bxc3 c5 13. b5 Rd8 14. Nc4 f6 15. Qb3 Kh8 16. a4 Nb6 17. a5 Nxc4 18. Qxc4 Qd6 19. Rad1 Be6 20. Qa4 a6 21. b6 Bd7 22. Qa3 Bb5 23. d4 exd4 24. Nxd4 cxd4 25. Bb4 Qe6 26. Bxe7 Rd7 27. Bb4 Bh6 28. f4 g5 29. f5 Qe5 30. Rc1 Qe8 31. g4 Bg7 32. Rc7 Bc6 33. e5 fxe5 34. Rxc6 bxc6 35. Bxc6 Rad8 36. Qf3 Bf8 37. Bd2 h6 38. Bxd7 Rxd7 39. Qc6 Rd8 40. Qe4 Bd6 41. Rc1 Rc8 42. Re1 Rd8 43. h4 Qe7 44. hxg5 hxg5 45. Qd3 Kg7 46. Rf1 Kf6 47. Re1 Qh7 48. Qf3 Rh8 49. Re2 d3 50. Qc6 Qe7 51. Rh2 Rxh2 52. Kxh2 e4+ 53. Kg2 Qe5 54. Bc3 1-0

[Event "Dulles Skyline op-A"]
[Site "Dulles"]
[Date "2022.10.09"]
[Round "3"]
[White "Xiong, Lang Leo"]
[Black "Luo, Neil"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1773"]
[BlackElo "1590"]
[PlyCount "114"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. h3 Bf5 7. Qe2 f6 8. Bd2 Qd7 9. a3 0-0-0 10. Nc3 Nb6 11. Ba2 Be7 12. 0-0-0 Kb8 13. Be3 Be6 14. Bxe6 Qxe6 15. Bxb6 cxb6 16. d4 Qf5 17. d5 Qf4+ 18. Kb1 Nd4 19. Nxd4 exd4 20. Qxe7 dxc3 21. Qe3 Qxe3 22. fxe3 Rhe8 23. Rhe1 Re5 24. e4 cxb2 25. Kxb2 Kc7 26. c4 Kd6 27. Kc3 Kc5 28. Kd3 Rd7 29. Rb1 Kd6 30. Kd4 Rde7 31. Rb2 Rc7 32. Rf2 Rce7 33. Re3 Re8 34. a4 R8e7 35. Rb2 Rc7 36. Rbe2 Ree7 37. g4 Re5 38. h4 h6 39. Rf3 Ke7 40. Rf5 Kd6 41. g5 hxg5 42. hxg5 Rxf5 43. exf5 Rf7 44. Re6+ Kd7 45. g6 Re7 46. c5 bxc5+ 47. Kxc5 Rxe6 48. dxe6+ Kc7 49. a5 b6+ 50. axb6+ axb6+ 51. Kb5 Kd6 52. Kxb6 Ke7 53. Kc6 Ke8 54. Kd6 Kd8 55. Kc6 Ke8 56. Kc7 Ke7 57. Kc8 Ke8 1/2-1/2

[Event "Dulles Skyline op-A"]
[Site "Dulles"]
[Date "2022.10.08"]
[Round "2"]
[White "Treger, Effim"]
[Black "Xiong, Lang Leo"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1932"]
[BlackElo "1773"]
[PlyCount "83"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 c5 4. Bb5+ Bd7 5. Qe2 e6 6. 0-0 Ne7 7. b4 cxb4 8. a3 Nf5 9. axb4 Bxb4 10. c3 Be7 11. Na3 Nc6 12. d4 Rc8 13. Nc2 a6 14. Bd3 0-0 15. g4 Nh4 16. Nxh4 Bxh4 17. Qe3 f6 18. exf6 Qxf6 19. f4 h6 20. g5 hxg5 21. fxg5 Qe7 22. Rxf8+ Qxf8 23. Bd2 e5 24. dxe5 Nxe5 25. Rf1 Qc5 26. Nd4 Nxd3 27. Qxd3 Bb5 28. Qh3 Bxf1 29. Qxh4 Bd3 30. Qh3 Bg6 31. Qe6+ Bf7 32. Qf5 Rc6 33. Kf1 Rb6 34. Ke2 Bg6 35. Qe5 Qc4+ 36. Kf2 Rb1 37. Qe6+ Bf7 38. Qh3 Rb2 39. Ke1 g6 40. Bf4 Rb1+ 41. Kf2 Rb2+ 42. Kg1 1/2-1/2

