[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "6"]
[White "Deutsch, Oliver"]
[Black "Roos, Lukas"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1620"]
[BlackElo "1451"]
[PlyCount "52"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. a4 a5 7. 0-0 0-0 8. Re1 Be6 9. Ba2 Ra6 10. d4 exd4 11. cxd4 Bxa2 12. dxc5 Bxb1 13. Rxb1 dxc5 14. Qe2 Nd4 15. Nxd4 Qxd4 16. Rd1 Qxe4 17. Qxe4 Nxe4 18. f3 Nd6 19. Bf4 Rd8 20. Bxd6 Rdxd6 21. Re1 f6 22. Re4 Rab6 23. Rbe1 Rxb2 24. Re8+ Kf7 25. R1e7+ Kg6 26. Rxc7 Rd1+ 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "1"]
[White "Espig, Nils"]
[Black "Roos, Lukas"]
[Result "0-1"]
[ECO "C59"]
[WhiteElo "1636"]
[BlackElo "1423"]
[PlyCount "70"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Bc5 9. 0-0 h6 10. Ne4 Nxe4 11. d3 Nxf2 12. Rxf2 Bxf2+ 13. Kxf2 Qf6+ 14. Kg1 0-0 15. Be3 Rd8 16. Nc3 Bf5 17. Qd2 Nb7 18. Rf1 Qg6 19. Qd1 c5 20. Bh5 Qf6 21. Bg4 Nd6 22. Bxf5 Nxf5 23. Bxc5 Qg6 24. Qe2 f6 25. Ne4 Nd4 26. Qd2 Rac8 27. c3 Nb5 28. a4 Nc7 29. Bxa7 Qxe4 30. Rf3 Qg6 31. Bb6 e4 32. Rg3 Rxd3 33. Qf4 Rd1+ 34. Kf2 e3+ 35. Kxe3 Nd5+ 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "3"]
[White "Kvantaliani, Saba"]
[Black "Roos, Lukas"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1620"]
[BlackElo "1443"]
[PlyCount "62"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. h3 Be6 7. Bb3 Nd4 8. Nc3 c6 9. 0-0 0-0 10. Bxe6 fxe6 11. a3 Qe8 12. Na4 Bb6 13. Nxb6 axb6 14. c3 Nxf3+ 15. Qxf3 Qg6 16. Bxf6 Rxf6 17. Qg3 Qh6 18. Rad1 Rg6 19. Qh2 Rf8 20. d4 exd4 21. Rxd4 d5 22. exd5 exd5 23. Kh1 Rgf6 24. f3 Re6 25. Qc7 Rfe8 26. Qxb7 Re1 27. Rd1 Rxf1+ 28. Rxf1 Re2 29. Qc8+ Kf7 30. Qd7+ Re7 31. Qxc6 Qxc6 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "11"]
[White "Popovici, Daniel"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1569"]
[BlackElo "1451"]
[PlyCount "103"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. f3 Nxc3 6. bxc3 c6 7. f4 Qa5 8. Bd2 Qa3 9. Qc1 Qxc1+ 10. Bxc1 Na6 11. Nf3 Bd7 12. Bxa6 bxa6 13. Rb1 Be7 14. Be3 0-0 15. 0-0 Rab8 16. Nd2 Rb6 17. Rb3 Rfb8 18. Rfb1 Rxb3 19. Rxb3 Rxb3 20. cxb3 f6 21. c4 fxe5 22. fxe5 Kf7 23. c5 Kg6 24. Kf2 Kf5 25. Kf3 Be8 26. g4+ Kg6 27. Kg3 Bg5 28. Bxg5 Kxg5 29. Nf3+ Kg6 30. h4 h5 31. g5 Kf5 32. Nd2 Bg6 33. Kf3 a5 34. Nf1 Bh7 35. Ng3+ Kg6 36. a3 a6 37. b4 axb4 38. axb4 Kf7 39. Ke3 g6 40. Kd3 Ke7 41. Kc3 Kd7 42. Kb3 Kc7 43. Ne2 Kb7 44. Nf4 Kc8 45. Nxe6 Kd7 46. Nf8+ Ke7 47. Nxh7 Ke6 48. Nf8+ Kf5 49. e6 Kg4 50. e7 Kxh4 51. e8Q Kxg5 52. Qe5+ 1-0

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "5"]
[White "Roos, Lukas"]
[Black "Buchinger, Alexis"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1461"]
[BlackElo "1599"]
[PlyCount "62"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 0-0 6. Be3 Bb6 7. 0-0 d6 8. Nd5 Nxd5 9. Bxd5 Be6 10. Bb3 Qe7 11. c3 h6 12. Qd2 Bxb3 13. axb3 f5 14. exf5 Rxf5 15. Ra4 Raf8 16. Bxh6 gxh6 17. Rg4+ Kh7 18. Nh4 Bxf2+ 19. Kh1 Bxh4 20. Rxf5 Rxf5 21. g3 Bg5 22. Qe2 Qf6 23. Kg2 Ne7 24. h4 Bc1 25. Qe4 d5 26. Qe2 Ng6 27. d4 e4 28. Qb5 Rf2+ 29. Kh3 Qf7 30. Qxb7 Rxb2 31. Qc6 Qf1# 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "4"]
[White "Roos, Lukas"]
[Black "Cordes, Jule Johanne"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1470"]
[BlackElo "1632"]
[PlyCount "56"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nxc6 bxc6 7. Be3 Nf6 8. Be2 d5 9. exd5 cxd5 10. Qd2 0-0 11. 0-0-0 a5 12. Bh6 Be6 13. h4 Qb6 14. h5 Rab8 15. b3 Qb4 16. hxg6 Qa3+ 17. Kb1 fxg6 18. Bxg7 Kxg7 19. Qh6+ Kf7 20. Bf3 a4 21. Nxa4 Qxa4 22. g4 d4 23. g5 Bxb3 24. cxb3 Rxb3+ 25. axb3 Qxb3+ 26. Kc1 Qc3+ 27. Kb1 Rb8+ 28. Ka2 Qa5# 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "2"]
[White "Roos, Lukas"]
[Black "Koll, Linus"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1450"]
[BlackElo "1682"]
[PlyCount "46"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. Qd2 Nc6 9. Bh6 Bxh6 10. Qxh6 Nxd4 11. 0-0-0 Nc6 12. h3 Qa5 13. Bf3 Be6 14. h4 Bxa2 15. h5 Be6 16. hxg6 fxg6 17. g4 Rf7 18. g5 Ng4 19. Bxg4 Bxg4 20. Rd3 Ne5 21. Re3 Nc4 22. Rg3 Qa1+ 23. Nb1 Qxb2# 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "7"]
[White "Roos, Lukas"]
[Black "Liu, Leon"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1470"]
[BlackElo "1620"]
[PlyCount "128"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. Nc3 Nf6 6. Bf4 Nc6 7. Be2 e6 8. 0-0 Be7 9. h3 Bh5 10. Ne5 Bxe2 11. Nxc6 Bxd1 12. Nxd8 Bxc2 13. Nxb7 Bd3 14. Nd6+ Bxd6 15. Bxd6 Bxf1 16. Rxf1 Kd7 17. Be5 Ne4 18. Nxe4 dxe4 19. Re1 f6 20. Bg3 f5 21. Rc1 Rac8 22. Rd1 Rc2 23. d5 Rxb2 24. dxe6+ Kxe6 25. Rd6+ Ke7 26. Ra6 Rb1+ 27. Kh2 Rb7 28. Be5 Rg8 29. a4 Ra8 30. a5 Rd7 31. Bxg7 Rd6 32. Bc3 Rxa6 33. Bb4+ Ke6 34. Kg3 Rb8 35. Bd2 Rb3+ 36. Kf4 Ra3 37. Be3 R3xa5 38. g3 Rd5 39. h4 Ra1 40. Kg5 a5 41. Kh6 Rd7 42. Bc5 a4 43. Bb4 a3 44. Bc3 Rb1 45. f4 a2 46. Kg5 a1Q 47. Bxa1 Rxa1 48. g4 Rg7+ 49. Kh6 Raa7 50. g5 Rg6+ 51. Kh5 Rgg7 52. Kh6 Rgb7 53. h5 Ra3 54. g6 hxg6 55. Kxg6 Rg3+ 56. Kh6 Rf3 57. Kg5 Rh7 58. h6 Rxh6 59. Kxh6 Rxf4 60. Kg5 Rg4+ 61. Kh5 e3 62. Kh6 e2 63. Kh5 e1Q 64. Kh6 Qh4# 0-1

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "9"]
[White "Roos, Lukas"]
[Black "Walter, Kiara Laurien"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1446"]
[BlackElo "1620"]
[PlyCount "119"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 Bb7 7. Be3 Qc7 8. Qd2 Nf6 9. Bd3 d5 10. exd5 cxd5 11. Bd4 Bb4 12. a3 Bxc3 13. Bxc3 Ng4 14. Qg5 Nf6 15. Bxf6 gxf6 16. Qxf6 Rf8 17. Bxh7 d4 18. Qxd4 Bxg2 19. Rg1 Bd5 20. 0-0-0 Rc8 21. Rg3 e5 22. Qxd5 Rh8 23. Bd3 Rh4 24. Rg8+ Ke7 25. Rg7 Rf4 26. Bg6 Kf8 27. Rxf7+ Rxf7 28. Qxf7+ Qxf7 29. Bxf7 Kxf7 30. Rd7+ Ke6 31. Rxa7 Rf8 32. a4 Rxf2 33. a5 Rxh2 34. a6 e4 35. Ra8 Rh1+ 36. Kd2 Rh2+ 37. Kc3 Rh3+ 38. Kb4 Rh4 39. a7 e3+ 40. c4 Kd7 41. Re8 Kxe8 42. a8Q+ Kd7 43. Qd5+ Ke7 44. Qg5+ Ke6 45. Qxh4 Kf5 46. Qe1 Kf4 47. Qe2 Ke4 48. Kc3 Kf4 49. Kd3 Ke5 50. Qxe3+ Kd6 51. Qg5 Kc6 52. Kd4 Kb6 53. Qb5+ Kc7 54. Kd5 Kc8 55. Kc6 Kd8 56. Qb7 Ke8 57. Kd6 Kf8 58. Ke6 Kg8 59. Kf6 Kh8 60. Qg7# 1-0

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "8"]
[White "Tennigkeit, Paul"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1620"]
[BlackElo "1458"]
[PlyCount "77"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. Nc3 Be6 7. Nd5 Bxd5 8. Bxd5 Nd4 9. c3 Nxf3+ 10. Qxf3 Rb8 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. b4 Bb6 14. a4 a6 15. 0-0 Rg8 16. g3 Ke7 17. Kg2 h5 18. f4 exf4 19. Rxf4 c6 20. Bb3 Rg6 21. Raf1 Rbg8 22. d4 c5 23. bxc5 dxc5 24. e5 cxd4 25. exf6+ Ke8 26. Re1+ Kf8 27. cxd4 Bc7 28. Rc1 Ke8 29. Rxc7 Kd8 30. Rxb7 Re8 31. Rb8+ Kd7 32. Bxf7 Rxg3+ 33. hxg3 Rxb8 34. Bxh5 Rb2+ 35. Rf2 Rb4 36. f7 Rxd4 37. f8Q Rxa4 38. Qe8+ Kd6 39. Rd2+ 1-0

[Event "GER Pfingstopen U16"]
[Site "Playchess.com INT"]
[Date "2020.06.05"]
[Round "10"]
[White "Zobel, Christian Erik"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1544"]
[BlackElo "1464"]
[PlyCount "77"]
[EventDate "2020.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 Be6 7. Bb3 0-0 8. Nbd2 Re8 9. h3 Qe7 10. Re1 b5 11. Ng5 a5 12. Nxe6 fxe6 13. a3 a4 14. Ba2 Qf7 15. Nf3 Nh5 16. Be3 Bxe3 17. fxe3 Ng3 18. Ng5 Qg6 19. Qg4 h6 20. Nxe6 Qxg4 21. hxg4 Kh7 22. Nxc7 Rf8 23. Nxa8 Rxa8 24. Bd5 Rc8 25. Kh2 Nxe4 26. Bxe4+ Kh8 27. Bxc6 Rxc6 28. d4 exd4 29. exd4 d5 30. Re5 Rd6 31. Rf1 Kg8 32. Rff5 Re6 33. Rxe6 g6 34. Rxg6+ Kh7 35. Rff6 h5 36. Ra6 b4 37. Rgb6 bxa3 38. Rb7+ Kg8 39. Ra8# 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "7"]
[White "Grave, Lukas"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1337"]
[BlackElo "1446"]
[PlyCount "51"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Nxf7 Kxf7 7. d6+ Nxc4 8. dxc7 Qxc7 9. 0-0 Bd6 10. d3 Nb6 11. c4 Bd7 12. Nc3 Bc6 13. Bg5 e4 14. dxe4 Bxh2+ 15. Kh1 Nxe4 16. Nxe4 Bxe4 17. Qh5+ g6 18. Qxh2 Qxh2+ 19. Kxh2 Nxc4 20. Rfe1 Bf5 21. Re7+ Kf8 22. Rc1 Nb6 23. Rcc7 Re8 24. Rf7+ Kg8 25. Rg7+ Kf8 26. Rcf7# 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "9"]
[White "Herter, Arne"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1493"]
[BlackElo "1440"]
[PlyCount "30"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. Bc4 exd4 5. 0-0 d6 6. c3 Be7 7. Qb3 0-0 8. Ng5 Na5 9. Bxf7+ Kh8 10. Qa4 c6 11. Bb3 Nxb3 12. Qxb3 h6 13. Nf7+ Kg8 14. Nxd8+ Kh8 15. Nf7+ Kh7 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "5"]
[White "Roos, Lukas"]
[Black "Kern, Leopold Xaver"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1468"]
[BlackElo "1620"]
[PlyCount "50"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. d4 e5 6. Nf3 Bg4 7. Be2 e4 8. Ne5 Bxe2 9. Qxe2 Bd6 10. Qh5 0-0 11. Be3 f6 12. Ng4 Qxh5 13. h3 f5 14. Nh2 f4 15. Bd2 e3 16. fxe3 fxe3 17. Bxe3 Bg3+ 18. Kd2 Nc6 19. Nf3 Rad8 20. c3 Ne5 21. Nxe5 Bxe5 22. g4 Qh4 23. Ke2 Bf4 24. Bf2 Rde8+ 25. Kf1 Be3 0-1

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "2"]
[White "Roos, Lukas"]
[Black "Kern, Ludwig Maria"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1508"]
[BlackElo "1487"]
[PlyCount "92"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. Be3 Bb4 7. Qd2 Nxe4 8. Qd3 Nxc3 9. bxc3 Bxc3+ 10. Qxc3 Nxd4 11. Bxd4 f6 12. Bd3 e5 13. Bc5 d6 14. Bb4 0-0 15. Ba5 b6 16. Bb4 a5 17. Ba3 Be6 18. 0-0 d5 19. Bxf8 d4 20. Qa3 Qxf8 21. Qxf8+ Kxf8 22. Rfb1 Rb8 23. Bxh7 Kf7 24. Be4 f5 25. Bc6 Rc8 26. Rxb6 g5 27. g3 f4 28. Rb7+ Kf6 29. Bd7 Bxd7 30. Rxd7 Rxc2 31. g4 Ke6 32. Rh7 d3 33. Rb1 e4 34. Rh5 e3 35. Rxg5 e2 36. Rb6+ Kd7 37. Rg7+ Kc8 38. Rb1 d2 39. Rg8+ Kc7 40. Rg7+ Kc6 41. Rg6+ Kc5 42. Rg5+ Kd4 43. Rg8 e1Q+ 44. Rxe1 dxe1Q+ 45. Kg2 Qxf2+ 46. Kh3 Qxh2# 0-1

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "8"]
[White "Roos, Lukas"]
[Black "Stein, Theodor"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1424"]
[BlackElo "1412"]
[PlyCount "111"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. e5 dxe5 6. dxe5 Qxd1+ 7. Nxd1 Ng4 8. Bf4 0-0 9. Nc3 Nc6 10. h3 Ngxe5 11. Bxe5 Nxe5 12. Nxe5 Bxe5 13. 0-0-0 Bf5 14. Nd5 Bg7 15. Nxe7+ Kh8 16. Nxf5 gxf5 17. Bd3 Rg8 18. Bxf5 Bh6+ 19. Kb1 Rxg2 20. Rd7 Rag8 21. a3 Rxf2 22. Rxf7 Rg7 23. Rf8+ Rg8 24. Rxg8+ Kxg8 25. Rg1+ Bg7 26. h4 Rxf5 27. Kc1 Kh8 28. Rd1 Bf6 29. Rh1 Rh5 30. Rd1 Rxh4 31. Rd7 Bg5+ 32. Kb1 Bf4 33. Rf7 Bd6 34. Rf5 Kg7 35. c4 Kg6 36. Rd5 h5 37. c5 Be7 38. Rd7 Bxc5 39. Rxc7 b5 40. Rxc5 Rh1+ 41. Kc2 a6 42. Rc6+ Kg5 43. Rxa6 h4 44. Kd2 h3 45. Ke2 h2 46. Ra5 Rg1 47. Rxb5+ Kh4 48. Rb4+ Rg4 49. Rb8 Kg3 50. Rh8 Kg2 51. b4 h1Q 52. Rxh1 Kxh1 53. Kf3 Rg1 54. Ke3 Rg3+ 55. Kd4 Rxa3 56. Kc5 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "4"]
[White "Seeger, Alexandra"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1513"]
[BlackElo "1485"]
[PlyCount "53"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 b6 5. Bd3 Bb7 6. 0-0 Nbd7 7. Nbd2 Be7 8. Ne5 0-0 9. Ndf3 Nxe5 10. Nxe5 Ne4 11. f3 Ng5 12. c3 f6 13. Ng4 f5 14. Ne5 Bd6 15. Qe1 Bxe5 16. Bxe5 Nf7 17. Bf4 Re8 18. Qg3 Rc8 19. h4 Nh6 20. Bxh6 Qf6 21. Bg5 Qf7 22. Qe5 c5 23. e4 dxe4 24. fxe4 Qg6 25. exf5 exf5 26. Qxf5 Qc6 27. Qxh7# 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "3"]
[White "Speter, Ivan"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1620"]
[BlackElo "1496"]
[PlyCount "101"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 Bb7 9. Qe2 Bd6 10. Na3 h6 11. Ne4 Nxe4 12. Qxe4 0-0 13. d3 c5 14. Qg4 Qf6 15. Nc4 Nxc4 16. dxc4 e4 17. Be3 a5 18. 0-0-0 Be5 19. b3 Rad8 20. Kb1 Ba1 21. Bc1 Rxd1 22. Rxd1 Bd4 23. Rf1 Rd8 24. f3 e3 25. Re1 Re8 26. Qd7 Re7 27. Qd8+ Kh7 28. Re2 Kg6 29. Qb8 Kh7 30. Qg3 Kg8 31. Qe1 Bc6 32. Bxc6 Qxc6 33. Qxa5 Qf6 34. Qd8+ Kh7 35. Qd5 Kg8 36. Qa8+ Kh7 37. Qd5 Qe6 38. Qxe6 Rxe6 39. c3 Bxc3 40. Rxe3 Rxe3 41. Bxe3 Bd4 42. Bxd4 cxd4 43. Kc2 Kg6 44. Kd3 Kf5 45. Kxd4 Kf4 46. c5 Kf5 47. c6 Ke6 48. Kc5 Ke7 49. Kb6 Kd8 50. Kb7 Ke7 51. c7 1-0

[Event "GER Pfingstopen U25"]
[Site "Playchess.com INT"]
[Date "2020.06.02"]
[Round "1"]
[White "Wagner, Margarethe"]
[Black "Roos, Lukas"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1686"]
[BlackElo "1518"]
[PlyCount "69"]
[EventDate "2020.06.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bd6 4. 0-0 Nf6 5. Re1 0-0 6. h3 b6 7. c3 Bb7 8. Ba4 Na5 9. Bc2 Nc4 10. d3 Na5 11. a4 Re8 12. b4 Nc6 13. Nbd2 Qe7 14. Nf1 Rad8 15. Ng3 a5 16. b5 Na7 17. Bb3 c6 18. Nf5 Qf8 19. Ng5 Kh8 20. Nxf7+ Kg8 21. N7xd6+ Kh8 22. Nxb7 cxb5 23. Nbd6 Re6 24. Nxb5 Nxb5 25. axb5 Rd6 26. Ba3 Ne8 27. Bxd6 Nxd6 28. Nxd6 Qxd6 29. Bd5 Rf8 30. Qg4 Qc5 31. Rf1 Qxc3 32. Qxd7 Qxd3 33. Qe7 Rg8 34. Bxg8 Kxg8 35. Qe8# 1-0

