[Event "RSA Inter Regional-ch"]
[Site "Boksburg"]
[Date "2018.12.12"]
[Round "7.3"]
[White "Roos, Lucas"]
[Black "Kubheka, Lucky"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "1785"]
[BlackElo "1671"]
[PlyCount "46"]
[EventDate "2018.01.09"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Tshwane Chess II"]
[BlackTeam "Ekurhuleni III"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Nf3 0-0 7. 0-0 Nc6 8. e3 Qe8 9. Nb5 Qd8 10. Nc3 Qe8 11. Nb5 Qd7 12. Bd2 a6 13. Nc3 e6 14. Rb1 Ne4 15. Nxe4 fxe4 16. Ng5 d5 17. Qb3 Kh8 18. Nh3 Ne7 19. Bb4 c6 20. Nf4 Rg8 21. a4 Nf5 22. Ba3 Qe8 23. h4 h6 1/2-1/2

[Event "RSA Inter Regional-ch"]
[Site "Boksburg"]
[Date "2018.01.10"]
[Round "3.4"]
[White "Roos, Lucas"]
[Black "Kleinsmidt, Cherwin"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1785"]
[BlackElo "1887"]
[PlyCount "53"]
[EventDate "2018.01.09"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Tshwane Chess II"]
[BlackTeam "Western Province A"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Be7 5. Bg2 d6 6. 0-0 Bg4 7. h3 Be6 8. d4 exd4 9. Nxd4 Bd7 10. Be3 0-0 11. f4 Re8 12. g4 Nxd4 13. Bxd4 Bc6 14. g5 Nd7 15. h4 Bf8 16. Qg4 b5 17. Rae1 b4 18. Nd5 Bb5 19. Rf3 c6 20. Nf6+ Nxf6 21. gxf6 c5 22. fxg7 Be7 23. Bf2 Bf6 24. e5 Be7 25. e6 Rb8 26. exf7+ Kxf7 27. Rg3 1-0

[Event "RSA Inter Regional-ch"]
[Site "Boksburg"]
[Date "2018.01.09"]
[Round "1.4"]
[White "Roos, Lucas"]
[Black "Nkwe, Omogolo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1785"]
[BlackElo "1512"]
[PlyCount "84"]
[EventDate "2018.01.09"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Tshwane Chess II"]
[BlackTeam "Bojanala Platina"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. c3 d6 8. Nbd2 Bg4 9. h3 Be6 10. Ng5 Bd7 11. f4 h6 12. Ngf3 Nh5 13. Kh2 a6 14. f5 Qc7 15. Re1 b5 16. Nf1 b4 17. d4 bxc3 18. bxc3 cxd4 19. cxd4 Nb4 20. Ne3 Rfc8 21. fxg6 Be6 22. d5 Bxa1 23. dxe6 fxg6 24. Ba3 Bc3 25. Bxb4 Bxb4 26. Nd5 Qc5 27. g4 Nf6 28. Nxe7+ Kf8 29. Nxc8 Bxe1 30. e7+ Kg7 31. Nxd6 Bc3 32. Kh1 Be5 33. Nxe5 Qxe5 34. Nc4 Qxe7 35. e5 Rd8 36. exf6+ Qxf6 37. Qb1 h5 38. Qb2 Qxb2 39. Nxb2 Rd2 40. Nc4 Rxa2 41. Ne5 hxg4 42. Nxg4 a5 1/2-1/2

[Event "RSA Inter Regional-ch"]
[Site "Boksburg"]
[Date "2018.01.09"]
[Round "2.4"]
[White "Tapera, Uzeni"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1841"]
[BlackElo "1785"]
[PlyCount "42"]
[EventDate "2018.01.09"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "West Rand Young Minds"]
[BlackTeam "Tshwane Chess II"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 0-0 10. 0-0-0 a6 11. Kb1 Nxd4 12. Bxd4 b5 13. g4 Qb6 14. Bg2 Bb7 15. Rhe1 Rfc8 16. Ne2 b4 17. f5 a5 18. f6 a4 19. Qg5 g6 20. Rd3 Ba6 21. Rh3 Bxd4 1/2-1/2

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.08"]
[Round "7.4"]
[White "Roos, Lucas"]
[Black "Waters, Anre"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1779"]
[BlackElo "1513"]
[PlyCount "62"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Tshwane U20"]
[BlackTeam "Ekurhuleni U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. Nge2 0-0 7. 0-0 e5 8. d3 c5 9. h3 Nc6 10. f4 Nd4 11. Nxd4 cxd4 12. Nd5 Nxd5 13. exd5 Rb8 14. b4 b6 15. fxe5 Bxe5 16. Bf4 f6 17. Qa4 Bd7 18. Qa3 Qc8 19. Bxe5 fxe5 20. Rxf8+ Kxf8 21. Qxa7 Ke7 22. b5 Qd8 23. Qa3 Ra8 24. Qb3 Qc8 25. Kh2 Qf8 26. Rf1 Qh6 27. c5 bxc5 28. Qb2 Qe3 29. Rf3 Qe1 30. Rf1 Qe3 31. Ra1 Kf8 1/2-1/2

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.07"]
[Round "6.4"]
[White "Jordaan, Chandre"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "742"]
[BlackElo "1779"]
[PlyCount "54"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Mangaung U20"]
[BlackTeam "Tshwane U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. Nf3 f5 2. e3 Nf6 3. d4 g6 4. Bd3 Bg7 5. 0-0 0-0 6. Nbd2 d6 7. b3 e5 8. Bb2 e4 9. Ne1 exd3 10. Nxd3 Ne4 11. Nf3 Nd7 12. c4 Ndf6 13. Qc2 g5 14. d5 c6 15. Rad1 cxd5 16. c5 Qc7 17. b4 a5 18. a3 axb4 19. axb4 Bd7 20. Rc1 Rac8 21. Qb3 h6 22. Nd4 Nd2 23. Qc2 Nxf1 24. Kxf1 dxc5 25. bxc5 Qxh2 26. Ne2 Bb5 27. Ne5 Qh1# 0-1

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.06"]
[Round "5.4"]
[White "Mbhele, Philani"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1114"]
[BlackElo "1779"]
[PlyCount "47"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Ethekwini U20"]
[BlackTeam "Tshwane U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 Re8 10. Bf4 a6 11. a4 c4 12. Bxc4 Nxe4 13. f3 Qb6+ 14. Kh1 Nf2+ 15. Rxf2 Qxf2 16. Bxd6 Bf5 17. Qg1 Qh4 18. Bb3 Nd7 19. Ng3 Bd3 20. f4 Nf6 21. Rd1 Ng4 22. Be5 Bxe5 23. Rxd3 Bxc3 24. Qf1 0-1

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.05"]
[Round "3.3"]
[White "Roos, Lucas"]
[Black "Acar, Cameron Gavin"]
[Result "0-1"]
[ECO "C90"]
[WhiteElo "1779"]
[BlackElo "1259"]
[PlyCount "132"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Tshwane U20"]
[BlackTeam "Nelson Mandela Bay U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. 0-0 0-0 8. Re1 b5 9. Bb3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 h6 13. Ng3 Nh7 14. a4 b4 15. d4 exd4 16. cxd4 c4 17. Qe2 Na5 18. e5 d5 19. Nd2 Qb6 20. Qe3 Nc6 21. Nf3 b3 22. Bb1 Ng5 23. Nxg5 Bxg5 24. f4 Bh4 25. Rd1 Bxg3 26. hxg3 Bg4 27. Rd2 Rfe8 28. Qf2 g5 29. Kh1 Nb4 30. Qe3 f6 31. Qf2 Kg7 32. a5 Qe6 33. f5 Qc6 34. e6 Re7 35. Qe1 h5 36. Rf2 Qd6 37. Bxg5 Rb7 38. Bf4 Qe7 39. Bd2 Nc6 40. Qe3 Rh8 41. Kg1 Kf8 42. Qf4 Ke8 43. Kf1 Qf8 44. Ke1 Ke7 45. Rf1 Qd8 46. Rf2 Qd6 47. Qxd6+ Kxd6 48. Bf4+ Ke7 49. Rd2 h4 50. Kf2 h3 51. gxh3 Rxh3 52. Kg2 Ra7 53. Be3 Ra8 54. Bg1 Rah8 55. Kf1 Rxg3 56. Bh2 Bh3+ 57. Ke1 Rg2 58. Rxg2 Bxg2 59. Bg1 Rh4 60. Kf2 Bh1 61. Kg3 Rh7 62. Be3 Rg7+ 63. Kh2 Bf3 64. Kh3 Rg2 65. Bd3 cxd3 66. Rf1 Be4 0-1

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.05"]
[Round "4.4"]
[White "Roos, Lucas"]
[Black "Conradie, Andre"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1779"]
[BlackElo "1764"]
[PlyCount "118"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Tshwane U20"]
[BlackTeam "Western Province U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. b3 dxe4 11. dxe4 Qe7 12. Nc4 Bc5 13. Bb2 Rfe8 14. Rfd1 a5 15. a4 Red8 16. Qf5 Re8 17. Rd3 Qe6 18. Qxe6 Rxe6 19. Rad1 b5 20. axb5 cxb5 21. Na3 Bxa3 22. Bxa3 b4 23. Bb2 Nc5 24. Rd8+ Re8 25. Rxa8 Rxa8 26. Bxe5 Rc8 27. Bc7 a4 28. bxa4 Nxa4 29. e5 h6 30. Ba5 Nc3 31. Rd3 Nfe4 32. Bxb4 Rc4 33. Ba5 Rc5 34. Bb6 Rxe5 35. Re3 Nd5 36. Rxe4 Rxe4 37. Bxe4 Nxb6 38. f4 Kf8 39. Kf2 Ke7 40. Ke3 Kd6 41. Kd4 Nd7 42. Bd5 f6 43. c4 Nc5 44. Bg8 Kc6 45. Ke3 Nb7 46. Kf3 Nd6 47. Kg4 g5 48. Be6 Kc5 49. Kh5 Ne4 50. Kxh6 Nxg3 51. fxg5 fxg5 52. Kxg5 Kd6 53. Bd5 Ke7 54. h4 Kf8 55. Kg6 Ne2 56. h5 Nf4+ 57. Kg5 Nh3+ 58. Kf6 Nf2 59. Be6 Ke8 1-0

[Event "RSA-chT U20"]
[Site "Boksburg"]
[Date "2018.01.04"]
[Round "2.3"]
[White "Raubenheimer, Lize"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1149"]
[BlackElo "1779"]
[PlyCount "30"]
[EventDate "2018.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]
[WhiteTeam "Kenneth Kaunda U20"]
[BlackTeam "Tshwane U20"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Nbd2 b6 5. Bd3 Be7 6. c3 Ba6 7. c4 0-0 8. b3 d6 9. Bb2 Nbd7 10. Qc2 Rc8 11. Rc1 cxd4 12. exd4 b5 13. Qd1 bxc4 14. bxc4 d5 15. Qa4 Bxc4 0-1

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.11"]
[Round "11"]
[White "Balmakhun, Yashkar"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1656"]
[BlackElo "1767"]
[PlyCount "55"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. Nc3 Bc5 5. d3 0-0 6. Nf3 d6 7. a3 a5 8. Rb1 h6 9. Bd2 Be6 10. 0-0 Qd7 11. Ne1 d5 12. cxd5 Nxd5 13. Nc2 f5 14. Nxd5 Bxd5 15. Be3 Bxg2 16. Kxg2 f4 17. Bxc5 Qd5+ 18. Kg1 Qxc5 19. d4 exd4 20. b4 axb4 21. axb4 Qc3 22. b5 Na5 23. Qd3 fxg3 24. hxg3 Qxd3 25. exd3 Rf7 26. Nxd4 Rd8 27. Nb3 Nxb3 28. Rxb3 1/2-1/2

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.10"]
[Round "9"]
[White "Tshabalala, Ernest"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C04"]
[WhiteElo "2003"]
[BlackElo "1767"]
[PlyCount "48"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. dxe5 Nxe5 6. Ngf3 Nxf3+ 7. Qxf3 Nf6 8. Bd3 Bg4 9. Qe3 Be7 10. h3 Be6 11. e5 Nd7 12. Qg3 0-0 13. Nf3 Nc5 14. Bc2 f6 15. exf6 Bxf6 16. Ng5 Kh8 17. 0-0 Bg8 18. Bf4 Qd7 19. Rfe1 Rfe8 20. Rad1 Rxe1+ 21. Rxe1 Re8 22. Re3 d4 23. cxd4 Bxd4 24. Rxe8 Qxe8 1/2-1/2

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.09"]
[Round "8"]
[White "Roos, Lucas"]
[Black "Hempe, Lilitha"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1767"]
[BlackElo "1815"]
[PlyCount "31"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. d3 a6 7. Qe2 Nc6 8. Be3 Bxe3 9. Qxe3 exf4 10. Qxf4 Na5 11. Bb3 Nxb3 12. axb3 c5 13. 0-0 b5 14. Nxb5 Qb6 15. Nxd6 c4+ 16. d4 1-0

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.08"]
[Round "7"]
[White "Minifie, Joshua"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1747"]
[BlackElo "1767"]
[PlyCount "68"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. d4 Bg7 4. Be2 Nd7 5. Nc3 a6 6. a4 b6 7. Be3 Bb7 8. Nd2 e6 9. f4 Ne7 10. 0-0 0-0 11. Nb3 d5 12. e5 Nf5 13. Bf2 h6 14. Bd3 f6 15. Bxf5 exf5 16. Be3 Re8 17. Qd2 Qe7 18. Ne2 c5 19. c3 cxd4 20. cxd4 fxe5 21. fxe5 Nxe5 22. dxe5 Qxe5 23. Bd4 Qxe2 24. Qxe2 Rxe2 25. Bxg7 Kxg7 26. Rf2 Rae8 27. Nd4 Re1+ 28. Rxe1 Rxe1+ 29. Rf1 Rxf1+ 30. Kxf1 Kf6 31. Ke2 Ke5 32. Ke3 f4+ 33. Kd3 a5 34. Nf3+ Kf5 0-1

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.08"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Agulhas, Keegan"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "1767"]
[BlackElo "1887"]
[PlyCount "143"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 Nbd7 10. 0-0-0 Qc7 11. Bd3 b5 12. Rhe1 Bb7 13. g4 h6 14. Bh4 g5 15. Bg3 b4 16. Nb1 a5 17. Nd4 a4 18. Nb5 Qb8 19. fxg5 hxg5 20. Bf1 e5 21. Qd3 Ra6 22. Qc4 Rc6 23. Qxb4 d5 24. Qxa4 Nc5 25. Qa7 Qc8 26. N5a3 Nfxe4 27. Bb5 0-0 28. Bxc6 Qxc6 29. Qa5 Ba6 30. Nc3 Rc8 31. Bxe5 f6 32. Bd4 Rb8 33. Bxc5 Bxc5 34. Qa4 Qb6 35. Qb3 Qxb3 36. cxb3 Nxc3 37. bxc3 Bxa3+ 38. Kc2 Bd6 39. Rxd5 Bxh2 40. Re7 Be5 41. c4 Bb7 42. Rexe5 fxe5 43. Rxe5 Kf7 44. Rxg5 Kf6 45. Rf5+ Ke6 46. Kc3 Be4 47. Rc5 Bf3 48. g5 Be4 49. a4 Kd6 50. b4 Bg6 51. a5 Rf8 52. Kb3 Be8 53. Rd5+ Ke6 54. b5 Rf1 55. Kb4 Rb1+ 56. Kc5 Bxb5 57. cxb5 Rc1+ 58. Kb6 Kxd5 59. a6 Kc4 60. a7 Rb1 61. a8Q Rxb5+ 62. Kc6 Rxg5 63. Qa4+ Kd3 64. Qd1+ Ke4 65. Qe2+ Kf5 66. Kd5 Kf4+ 67. Kd4 Rg3 68. Qf2+ Rf3 69. Qh4+ Kf5 70. Qe4+ Kg5 71. Qxf3 Kh4 72. Qg2 1-0

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.07"]
[Round "5"]
[White "Marais, Daniel Petrus"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1792"]
[BlackElo "1767"]
[PlyCount "38"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 h5 8. Qg3 g6 9. 0-0-0 c5 10. dxc5 Nxc5 11. Qf4 Nc6 12. Rh3 b5 13. Rf3 Bxg5 14. hxg5 Rf8 15. Bd3 Qe7 16. Nge2 Bb7 17. Kb1 Rc8 18. Ng3 Na4 19. Nge2 Na5 1/2-1/2

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.07"]
[Round "4"]
[White "Roos, Lucas"]
[Black "Scott, Timothy John"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1767"]
[BlackElo "1277"]
[PlyCount "53"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 a6 4. d4 cxd4 5. Nxd4 b5 6. Be3 Be7 7. a3 Qc7 8. Bd3 Nf6 9. f4 d6 10. Qf3 Nbd7 11. g4 Nc5 12. g5 Nfd7 13. 0-0-0 Bb7 14. h4 Nxd3+ 15. Rxd3 Nc5 16. Rdd1 Rc8 17. Rh2 Qa5 18. Kb1 b4 19. axb4 Qxb4 20. f5 Nxe4 21. Nxe4 e5 22. f6 exd4 23. Bxd4 0-0 24. fxe7 Rfe8 25. Nf6+ Kh8 26. Qh5 h6 27. gxh6 1-0

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.06"]
[Round "3"]
[White "Mthimkulu, Lucky"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1671"]
[BlackElo "1767"]
[PlyCount "52"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. d3 f5 5. e3 Nf6 6. Nc3 0-0 7. Nge2 e5 8. b4 c6 9. a4 d5 10. cxd5 cxd5 11. Qb3 e4 12. d4 g5 13. h4 h6 14. b5 b6 15. Ba3 Rf7 16. Bb4 a5 17. Ba3 Bb7 18. Bh3 Ng4 19. Bg2 Nd7 20. Rc1 Nf8 21. Bh3 Ne6 22. Nd1 gxh4 23. Bxg4 fxg4 24. Rxh4 Ng5 25. Ng1 Qd7 26. Rh1 Qf5 1-0

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.06"]
[Round "2"]
[White "Roos, Lucas"]
[Black "Masiya, Mfundo"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1767"]
[BlackElo "1462"]
[PlyCount "56"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. 0-0-0 Nbd7 10. g4 Nb6 11. a3 Nfd7 12. Nb3 Rc8 13. g5 Ne5 14. Na5 Ba8 15. f4 Nec4 16. Nxc4 Nxc4 17. Bxc4 Rxc4 18. Bd4 h6 19. Rhg1 hxg5 20. fxg5 Rh5 21. g6 f6 22. Qe2 Rh4 23. Qf2 Rh6 24. Bxf6 Qxf6 25. Qxf6 gxf6 26. g7 Bxg7 27. Rxg7 Bxe4 28. Nxe4 Rxe4 1/2-1/2

[Event "RSA-ch U18"]
[Site "Gauteng"]
[Date "2017.04.05"]
[Round "1"]
[White "Khumalo, Kagiso"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1402"]
[BlackElo "1767"]
[PlyCount "55"]
[EventDate "2017.04.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Nbd2 b6 5. b3 Bb7 6. Bd3 Be7 7. Bb2 0-0 8. e4 d5 9. e5 Ne4 10. Qe2 Nxd2 11. Qxd2 Nc6 12. a3 Rc8 13. h4 c4 14. bxc4 dxc4 15. Bxc4 Nxd4 16. Bxd4 Rxc4 17. Qd3 Qd5 18. Ng5 g6 19. Nf3 Qa5+ 20. c3 Ra4 21. Qe3 Ba6 22. h5 Rxa3 23. Rd1 Ra1 24. Qh6 Qa4 25. Qd2 Ra2 26. Qe3 Qb5 27. Nd2 Bg5 28. Qf3 0-1

[Event "Waterkloof op"]
[Site "Pretoria"]
[Date "2017.03.05"]
[Round "5"]
[White "Reddy, Ananta"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1651"]
[BlackElo "1795"]
[PlyCount "85"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Nf3 Bxd3 9. Qxd3 Nc6 10. 0-0 Qc7 11. Bf4 Be7 12. Rac1 a6 13. h3 b5 14. a3 Na5 15. b4 cxb4 16. cxb4 Nc4 17. Nd2 a5 18. Nc3 Qb6 19. Qf3 axb4 20. Nxc4 bxc4 21. axb4 0-0 22. Qg4 f5 23. exf6 Nxf6 24. Qe2 Bxb4 25. Rb1 Qxd4 26. Qxe6+ Kh8 27. Rxb4 Qxc3 28. Rb7 Rae8 29. Qc6 Ne4 30. Qc7 Qf6 31. Bc1 c3 32. f3 Nd6 33. Rb6 Re6 34. Ba3 Rc8 35. Qd7 Qd4+ 36. Kh1 Qxb6 37. Qxe6 Rd8 38. Re1 h6 39. Qxd5 c2 40. Qd3 Qc7 41. Rc1 Nf5 42. Qxc2 Ng3+ 43. Kg1 1/2-1/2

[Event "Waterkloof op"]
[Site "Pretoria"]
[Date "2017.03.05"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Koekemoer, Bernard"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1795"]
[BlackElo "1722"]
[PlyCount "79"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bf4 g6 6. Nf3 Bg7 7. 0-0 0-0 8. h3 Qb6 9. Nc3 Nc6 10. Nb5 Ne8 11. Qd2 Bd7 12. Nc3 Nf6 13. Na4 Qb4 14. Nc5 Qxd2 15. Bxd2 b6 16. Nxd7 Nxd7 17. Bb5 Rac8 18. Bc3 Rfd8 19. Rfe1 e6 20. Re2 Rc7 21. b3 a6 22. Bd3 b5 23. a4 b4 24. Bb2 a5 25. Rae1 Nc5 26. g4 Nxd3 27. cxd3 Rdc8 28. Kg2 Nb8 29. Rd1 Nd7 30. Kg3 Kf8 31. Ne1 Ke7 32. f4 Kd6 33. Nf3 Nf6 34. Ne1 Nd7 35. Nf3 Rc2 36. Rdd2 Rxd2 37. Rxd2 f6 38. Re2 e5 39. dxe5+ fxe5 40. fxe5+ 1/2-1/2

[Event "Waterkloof op"]
[Site "Pretoria"]
[Date "2017.03.04"]
[Round "3"]
[White "Roos, Lucas"]
[Black "Richter, Jan Michael"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1795"]
[BlackElo "1664"]
[PlyCount "95"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 Nf6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. 0-0 f4 13. c3 Rg8 14. Kh1 Qg5 15. Qf3 Bg4 16. Qxg4 Qxg4 17. Nf6+ Kd8 18. Nxg4 Rxg4 19. Nc2 Be7 20. f3 Rg8 21. a4 Rb8 22. axb5 axb5 23. Ra6 Kc7 24. Rfa1 Rb6 25. Nb4 Nxb4 26. Ra7+ Rb7 27. cxb4 Rgb8 28. Bxb5 Rxa7 29. Rxa7+ Rb7 30. Rxb7+ Kxb7 31. Bc4 Kb6 32. g3 fxg3 33. hxg3 Bg5 34. Kg2 f6 35. Kh3 h5 36. b3 Kc6 37. b5+ Kc5 38. Bf7 Kxb5 39. Bxh5 Kc5 40. Kg4 d5 41. f4 exf4 42. gxf4 Bh6 43. exd5 Kxd5 44. Kf5 Kc5 45. Ke4 Kb4 46. Bf7 Bf8 47. Kf5 Bd6 48. Kg4 1/2-1/2

[Event "Waterkloof op"]
[Site "Pretoria"]
[Date "2017.03.04"]
[Round "4"]
[White "Tembo, Epah"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1851"]
[BlackElo "1795"]
[PlyCount "115"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "RSA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Nc3 Bc5 4. e3 Nc6 5. Bg2 Nb4 6. d3 d6 7. a3 Nc6 8. b4 Bb6 9. Rb1 0-0 10. Nge2 Be6 11. a4 a6 12. a5 Ba7 13. Qa4 Qc8 14. b5 axb5 15. cxb5 Nxa5 16. Qxa5 Bc5 17. Qxa8 Qxa8 18. 0-0 d5 19. Bd2 Qc8 20. Na4 Bd6 21. Rfc1 Bh3 22. Bb4 Bxg2 23. Kxg2 Qg4 24. f3 Qd7 25. Bxd6 Qxd6 26. Nc5 Nd7 27. Nxd7 Qxd7 28. Rc5 c6 29. bxc6 bxc6 30. Rbc1 Rc8 31. e4 dxe4 32. dxe4 f6 33. g4 g6 34. Kg3 Kf7 35. Ng1 Ke7 36. Nh3 h6 37. Nf2 Qb7 38. h4 g5 39. h5 Kd6 40. Nd1 Qb6 41. Ne3 Kd7 42. Nf5 Rh8 43. R5c3 Rh7 44. Rd1+ Kc7 45. Ne3 Kb8 46. Rdd3 Rb7 47. Rd1 Qb2 48. Rcd3 Qe2 49. Nc4 Rb4 50. Rd8+ Kb7 51. R8d7+ Ka6 52. Ra1+ Kb5 53. Nd6+ Kb6 54. Rb7+ Kc5 55. Rc1+ Kxd6 56. Rxb4 c5 57. Rbc4 Qe3 58. R4c3 1/2-1/2

[Event "Waterkloof op"]
[Site "Pretoria"]
[Date "2017.03.03"]
[Round "2"]
[White "Mazibuko, Khanya"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1936"]
[BlackElo "1795"]
[PlyCount "44"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "RSA"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 Qb6 8. 0-0 g6 9. dxc5 Nxc5 10. Nb3 Nxd3 11. Qxd3 Bg7 12. Bf4 0-0 13. Rfe1 Bd7 14. Qd2 Rfc8 15. Bh6 Bh8 16. Qf4 Ne7 17. Nbd4 Qxb2 18. Rab1 Qxc3 19. Rxb7 Rc7 20. Rxc7 Qxc7 21. Ng5 Nf5 22. Nxf5 exf5 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.10.03"]
[Round "11"]
[White "Roos, Lucas"]
[Black "Kenenbaev, Aidar"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1830"]
[BlackElo "2143"]
[PlyCount "42"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 0-0 10. 0-0-0 Nbd7 11. g4 b5 12. Qf2 Bxg4 13. fxg4 Nxg4 14. Qg3 Nxe3 15. Rg1 Bg5 16. Qxg5 Qxg5 17. Rxg5 Nxd1 18. Nxd1 Nb6 19. Nd2 g6 20. Bh3 Rad8 21. b4 Kg7 1/2-1/2

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.10.02"]
[Round "10"]
[White "Weerasinghe, CC."]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1884"]
[BlackElo "1830"]
[PlyCount "76"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 0-0 5. e3 c5 6. c3 b6 7. Bd3 Bb7 8. Qe2 d6 9. e4 cxd4 10. cxd4 Nbd7 11. 0-0 e5 12. d5 Nxd5 13. Bxe7 Nxe7 14. Nc4 Nc5 15. Rad1 Ng6 16. Bb1 Ba6 17. b4 Na4 18. Qc2 Bxc4 19. Qxc4 Nb2 20. Qd5 Nxd1 21. Rxd1 Rc8 22. g3 Qf6 23. Kg2 Rfd8 24. Bd3 Rc3 25. Be2 h6 26. a4 Ne7 27. Qb7 Rc2 28. Bd3 Rb2 29. b5 g5 30. h3 h5 31. Rd2 Rxd2 32. Nxd2 Nc8 33. Bc4 h4 34. Nf3 hxg3 35. fxg3 Kg7 36. h4 gxh4 37. gxh4 Kh7 38. Ng5+ Kg6 1/2-1/2

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.10.01"]
[Round "9"]
[White "Roos, Lucas"]
[Black "Mootseng, Phillip"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1830"]
[PlyCount "38"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. d4 cxd4 5. Nxd4 Bd7 6. Be3 a6 7. Nd5 Qc8 8. Nb6 Qd8 9. Nxa8 Qxa8 10. c4 Nf6 11. f3 Ne5 12. Be2 g6 13. 0-0 Bg7 14. Qd2 0-0 15. b3 Ne8 16. Rac1 Nc7 17. f4 Ng4 18. Bxg4 Bxg4 19. f5 Bh5 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.30"]
[Round "8"]
[White "Ramacker, Quinten"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1947"]
[BlackElo "1830"]
[PlyCount "59"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 0-0 6. g4 c5 7. d5 e6 8. Bg5 exd5 9. Nxd5 Qa5+ 10. Bd2 Qd8 11. Bg5 Qa5+ 12. Bd2 Qd8 13. Bg5 Nc6 14. Qd2 Nd4 15. Kf2 Bxg4 16. Bxf6 Bxf6 17. fxg4 Bh4+ 18. Kg2 f5 19. exf5 gxf5 20. g5 Bxg5 21. Qc3 f4 22. Nf3 Qd7 23. Rg1 Bh4 24. Kh1+ Bg3 25. Nxd4 cxd4 26. Qf3 Kh8 27. Nxf4 Rxf4 28. Qxg3 Qf5 29. Bg2 Rg8 30. Qb3 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.29"]
[Round "7"]
[White "Yoshida, Haruki"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1750"]
[BlackElo "1830"]
[PlyCount "92"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. Nc3 d5 7. b3 Ne4 8. Nxd5 e6 9. Nf4 Nc6 10. Qd3 f5 11. 0-0 cxd4 12. Nxd4 Nxd4 13. exd4 Bxd4 14. Ba3 Nxf2 15. Rxf2 Bxa1 16. Bxf8 Qxd3 17. Nxd3 Kxf8 18. Rf1 Bd4+ 19. Nf2 e5 20. Rd1 Be6 21. Kf1 Ke7 22. Nh3 Be3 23. Rd3 Bc1 24. Rc3 Bd2 25. Rd3 Rd8 26. Nf2 e4 27. Rh3 h5 28. Rg3 Kf6 29. h4 Bf7 30. Rh3 Ke5 31. g3 Bb4 32. Rh1 Rd2 33. a4 Rb2 34. Bd1 Kd4 35. Nh3 Ke3 36. Nf4 Rf2+ 37. Kg1 Rd2 38. Ng2+ Kd4 39. Kh2 e3 40. Bf3 b6 41. Kh3 Rf2 42. Rd1+ Bd2 43. Nxe3 Kxe3 44. Bc6 Be6 45. g4 hxg4+ 46. Kg3 f4# 0-1

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.28"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Shih, Yu An"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1830"]
[BlackElo "1493"]
[PlyCount "80"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 h6 7. Nbd2 0-0 8. h3 Nh5 9. g3 Nf6 10. Nf1 d5 11. Qe2 Re8 12. g4 dxe4 13. dxe4 Nh7 14. Bxf7+ Kxf7 15. Qc4+ Be6 16. Qxc5 Qd3 17. Qe3 Rad8 18. Qxd3 Rxd3 19. Be3 Red8 20. N1d2 Nf6 21. g5 Ng8 22. Ke2 h5 23. g6+ Ke7 24. Ng5 a6 25. Bc5+ Kf6 26. Be3 Rxe3+ 27. fxe3 Kxg5 28. Rhg1+ Kf6 29. Raf1+ Ke7 30. h4 Nf6 31. Rg5 Rxd2+ 32. Kxd2 Nxe4+ 33. Kc2 Nxg5 34. hxg5 h4 35. b3 h3 36. Kd3 Kd6 37. Rd1 Ke7 38. Ke4 Bg4 39. Rf1 Ke6 40. Rf7 h2 0-1

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.26"]
[Round "5"]
[White "Petrovskis, Olegs"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2159"]
[BlackElo "1830"]
[PlyCount "83"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 Be7 4. e3 0-0 5. Bd3 b6 6. 0-0 Ba6 7. c4 c5 8. Nc3 Nc6 9. a3 Na5 10. Qe2 d5 11. cxd5 Bxd3 12. Qxd3 c4 13. Qc2 exd5 14. Bxf6 Bxf6 15. Qf5 Nb3 16. Rad1 g6 17. Qxd5 Qc8 18. Nd2 Nxd2 19. Rxd2 Rd8 20. Qf3 Qf5 21. Rc1 Rac8 22. Rdc2 Be7 23. Qxf5 gxf5 24. Ne2 b5 25. g3 Kg7 26. a4 a6 27. axb5 axb5 28. b3 Ba3 29. Rb1 cxb3 30. Rxc8 Rxc8 31. Rxb3 b4 32. Kf1 Rc2 33. Ke1 Kf8 34. Nf4 Bb2 35. Nd3 Bc3+ 36. Kf1 Bd2 37. Nxb4 Rc4 38. Nd3 Ke7 39. Rb7+ Ke6 40. Ne5 Rc1+ 41. Ke2 Ba5 42. Nxf7 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.25"]
[Round "4"]
[White "Roos, Lucas"]
[Black "Noguchi, Takaya"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1830"]
[BlackElo "1491"]
[PlyCount "49"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Nbd7 8. Re1 Re8 9. Nf1 a5 10. Nh4 b5 11. Nf5 Bc7 12. h4 Bb7 13. g4 Nb6 14. g5 Nfd7 15. h5 Bc8 16. Qf3 Nf8 17. h6 Bxf5 18. exf5 g6 19. Ne3 e4 20. dxe4 dxe4 21. Qg4 Qd6 22. Bxe4 Qh2+ 23. Kf1 Qh5 24. Qxh5 gxh5 25. Bxc6 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.24"]
[Round "3"]
[White "Georgiev, Todor"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2197"]
[BlackElo "1830"]
[PlyCount "47"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 d6 5. h5 Nxh5 6. Rxh5 gxh5 7. e4 Be6 8. Be2 Kd7 9. d5 Bf7 10. Nf3 Bg7 11. Ng5 Qg8 12. Kf1 Bg6 13. exf5 Bxf5 14. Bxh5 h6 15. Nf7 Rh7 16. Qf3 e6 17. g4 Bxc3 18. gxf5 e5 19. Nxh6 Qf8 20. f6 Rxh6 21. Bxh6 Qxh6 22. Qg4+ Kd8 23. Qg8+ Kd7 24. Qe8# 1-0

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.23"]
[Round "2"]
[White "Roos, Lucas"]
[Black "Krishna Teja, N."]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1830"]
[BlackElo "2268"]
[PlyCount "87"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 g6 5. Nec3 Bg7 6. Nb5 Kf8 7. Nd6 Nf6 8. Bc4 Na5 9. d3 Nxc4 10. dxc4 Ne8 11. Be3 b6 12. Nxe8 Kxe8 13. h4 h6 14. Qf3 d6 15. g4 f6 16. h5 g5 17. 0-0-0 Kf7 18. Rd3 Qd7 19. Bxg5 hxg5 20. h6 Qxg4 21. hxg7 Rxh1+ 22. Qxh1 Kxg7 23. Nc7 Bb7 24. Nxa8 Bxe4 25. f3 Qf4+ 26. Kb1 Bxa8 27. Rxd6 Qh4 28. Rd7+ Kg6 29. Qd1 Qxc4 30. b3 Qf4 31. Rxa7 Qxf3 32. Qd7 Qh1+ 33. Kb2 Bd5 34. c4 Be4 35. Qe8+ Kf5 36. Rf7 Qb1+ 37. Ka3 Qc1+ 38. Ka4 Qd2 39. Qc8+ Kg6 40. Qg8+ Kh5 41. Rh7+ Kg4 42. Qe6+ Bf5 43. Qxb6 Qxa2+ 44. Kb5 0-1

[Event "Wch U18"]
[Site "Khanty-Mansiysk"]
[Date "2016.09.22"]
[Round "1"]
[White "Toma, Radu Cristian"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2343"]
[BlackElo "1830"]
[PlyCount "63"]
[EventDate "2016.09.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 f5 4. d4 Nf6 5. g3 0-0 6. Bg2 d6 7. 0-0 Qe8 8. b3 h6 9. Bb2 g5 10. d5 Qh5 11. Nd4 Ng4 12. h3 f4 13. hxg4 Bxg4 14. Ne6 fxg3 15. fxg3 Rxf1+ 16. Kxf1 Be5 17. Qd3 Na6 18. Nd1 Nb4 19. Qe4 Bxe6 20. dxe6 Rf8+ 21. Ke1 Bxg3+ 22. Kd2 g4 23. Ne3 Bf4 24. Rf1 Qg5 25. Rxf4 Rxf4 26. Qxb7 Qa5 27. a3 Nc6+ 28. b4 Qg5 29. Qxc6 h5 30. Qd5 Qh6 31. Qa8+ Rf8 32. Qxa7 1-0

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.27"]
[Round "7"]
[White "Masiya, Mfundo"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1290"]
[BlackElo "1861"]
[PlyCount "71"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Be7 5. h3 0-0 6. Bd3 c5 7. c3 Nc6 8. Nbd2 a6 9. a4 Nd7 10. 0-0 Bf6 11. Bd6 Be7 12. Bf4 Bf6 13. Bd6 Be7 14. Bf4 Re8 15. Qb1 g6 16. Ne5 Ndxe5 17. dxe5 Rb8 18. Nf3 b5 19. axb5 axb5 20. Rd1 c4 21. Be2 b4 22. Nd4 Qc7 23. Nxc6 Qxc6 24. Qc2 Bd7 25. e4 Rb5 26. Bf3 Ra8 27. exd5 exd5 28. Rxa8+ Qxa8 29. cxb4 Bf5 30. Qxc4 Rxb4 31. Qc1 Qa4 32. Bh6 d4 33. Qc7 Bh4 34. Bd5 Rxb2 35. e6 Bxf2+ 36. Kh1 1-0

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.27"]
[Round "8"]
[White "Roos, Lucas"]
[Black "Smith, David2"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1861"]
[BlackElo "1644"]
[PlyCount "82"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Bd6 5. 0-0 Nbd7 6. d3 e5 7. e4 dxe4 8. dxe4 0-0 9. Nc3 a6 10. Qe2 Re8 11. f5 b6 12. h3 Bb7 13. g4 h6 14. Nh2 Nh7 15. Be3 Bc5 16. Rad1 Qe7 17. Kh1 Rad8 18. Nd5 Bxd5 19. Rxd5 a5 20. Bxc5 Nxc5 21. Qb5 Nf6 22. Rxd8 Rxd8 23. Qe2 Qd6 24. c3 Qd2 25. Re1 Qxe2 26. Rxe2 Rd1+ 27. Nf1 Nd3 28. Kh2 Nc1 29. Ne3 Nxe2 30. Nxd1 Nf4 31. Nf2 Nxg2 32. Kxg2 Kf8 33. h4 Ke7 34. b4 axb4 35. cxb4 Kd6 36. b5 Ne8 37. g5 hxg5 38. hxg5 f6 39. gxf6 gxf6 40. Kf3 c6 41. bxc6 Kxc6 1/2-1/2

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.26"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Nassr, Ahmed"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1861"]
[BlackElo "1973"]
[PlyCount "54"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 Be7 5. 0-0 Nf6 6. Ng5 0-0 7. f4 h6 8. Nxf7 Rxf7 9. Bxf7+ Kxf7 10. fxe5 Nxe5 11. Qh5+ Kg8 12. Qxe5 d6 13. Qg3 Ng4 14. Nd5 Bh4 15. Qb3 Kh7 16. g3 Bg5 17. Nf4 Bf6 18. Nh5 Bd4+ 19. Kg2 Qe8 20. Nf4 Qxe4+ 21. Qf3 Qxc2 22. Nd3 Ne3+ 23. Kh1 Nxf1 24. Qxf1 Bh3 25. Qe2 Re8 26. Qxe8 Qxd3 27. Qh5 Qf1# 0-1

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.24"]
[Round "5"]
[White "Gluckman, Paul"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1779"]
[BlackElo "1861"]
[PlyCount "98"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 Nxd4 10. Bxd4 a6 11. 0-0-0 b5 12. Qf2 Qc7 13. Bxc5 Nxc5 14. a3 Bd7 15. f5 Rc8 16. fxe6 fxe6 17. Kb1 Rf8 18. Qd2 Rf5 19. Bd3 Nxd3 20. Qxd3 Qc4 21. Qg3 d4 22. Qxg7 Rf7 23. Qg8+ Ke7 24. Qg5+ Kf8 25. Qh6+ Kg8 26. Qg5+ Kh8 27. Qh5 Be8 28. Qg4 dxc3 29. Qxc4 Rxc4 30. Rd8 Re7 31. Re1 cxb2 32. Re3 Kg7 33. Kxb2 Bg6 34. Rd2 Rec7 35. c3 Re4 36. Rxe4 Bxe4 37. Rd4 Bd5 38. Rg4+ Kf7 39. Rg5 Rc4 40. Kc2 Rf4 41. Kd3 Rf5 42. Rg4 Rxe5 43. Kd4 Rf5 44. Rh4 Kg6 45. g4 Rf4+ 46. Ke5 Re4+ 47. Kd6 Rc4 48. Rh3 Rxg4 49. Re3 h5 0-1

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.24"]
[Round "4"]
[White "Roos, Lucas"]
[Black "Ncube, Sifiso"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1861"]
[BlackElo "1901"]
[PlyCount "87"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f3 Be7 9. 0-0-0 b5 10. g4 d6 11. g5 Nd7 12. Bd3 b4 13. Nce2 Nc5 14. f4 Nxd3+ 15. Qxd3 Bb7 16. f5 e5 17. Nf3 a5 18. Ng3 Ba6 19. Qd5 Rc8 20. Rd2 Nb8 21. Rf2 Bc4 22. Qd2 Bxa2 23. f6 Bf8 24. fxg7 Bxg7 25. Nh5 Rg8 26. Rd1 b3 27. c3 Qc6 28. Qxd6 Qxe4 29. Nxg7+ Rxg7 30. Qxe5+ Qxe5 31. Nxe5 a4 32. Rd5 a3 33. c4 axb2+ 34. Kxb2 Nc6 35. Bc5 Rxg5 36. Nxc6 Rg6 37. Re5+ Kd7 38. Ne7 Rxc5 39. Nxg6 Rxc4 40. Rxf7+ Kd6 41. Rf6+ Kc7 42. Re7+ Kb8 43. Rf8+ Rc8 44. Rxh7 1-0

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.23"]
[Round "3"]
[White "Balmakhun, Yashkar"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1742"]
[BlackElo "1861"]
[PlyCount "76"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. e4 d6 4. Bg5 a6 5. f4 b5 6. Nf3 Nd7 7. Be2 b4 8. Nd5 c5 9. 0-0 Bb7 10. Bc4 cxd4 11. Nxd4 Nb6 12. Qd3 Nxd5 13. exd5 Qb6 14. Rad1 Nf6 15. Bxf6 Bxf6 16. Kh1 Rc8 17. b3 Rc5 18. Rfe1 0-0 19. f5 Bxd5 20. fxg6 hxg6 21. Rd2 Bxc4 22. bxc4 Kg7 23. Qg3 Rg5 24. Qd3 Rh5 25. Nf3 Rfh8 26. Qe4 Rc5 27. Rd5 Rhc8 28. Nd2 Qc6 29. Rxc5 Qxc5 30. g3 e6 31. Qb7 Qc6+ 32. Qxc6 Rxc6 33. Ne4 Be5 34. Rd1 f5 35. Ng5 Kf6 36. Nf3 Rxc4 37. Kg2 d5 38. Rd2 Re4 0-1

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.23"]
[Round "2"]
[White "Roos, Lucas"]
[Black "Van Zyl Rudd, Jack"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1861"]
[BlackElo "2016"]
[PlyCount "73"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be7 10. Bxf6 Bxf6 11. Nc4 Nd4 12. Nd5 b5 13. Ncb6 Rb8 14. c3 Bg4 15. Nxf6+ Qxf6 16. Qxg4 Nc2+ 17. Kd1 Nxa1 18. Qd7+ Kf8 19. Qc7 Rxb6 20. Qxb6 Ke7 21. Bd3 Qe6 22. Qc7+ Kf6 23. Kd2 d5 24. Rxa1 dxe4 25. Bxe4 Rc8 26. Qb7 Qc4 27. Qd5 Qxd5+ 28. Bxd5 Rd8 29. Rd1 Rxd5+ 30. Kc2 Rxd1 31. Kxd1 Ke6 32. Kd2 Kd5 33. f3 f5 34. Kd3 g5 35. g4 f4 36. b4 h6 37. h3 1/2-1/2

[Event "Africa-ch U18"]
[Site "Port Elizabeth"]
[Date "2016.08.22"]
[Round "1"]
[White "Mfundisi, Nhlapo"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1861"]
[PlyCount "92"]
[EventDate "2016.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Be3 Nd7 5. Bc4 e6 6. 0-0 Ne7 7. Nc3 a6 8. a4 b6 9. Qd2 Bb7 10. Rfe1 0-0 11. d5 e5 12. Bh6 f5 13. Bxg7 Kxg7 14. Ng5 Nc5 15. b4 h6 16. bxc5 hxg5 17. c6 Bc8 18. Qxg5 Nxc6 19. Qxd8 Nxd8 20. f3 Nb7 21. g3 f4 22. Kf2 Nc5 23. g4 Rh8 24. Rh1 g5 25. a5 Rh3 26. Kg2 Bxg4 27. Be2 Bd7 28. axb6 cxb6 29. Na4 Nxa4 30. Rxa4 Bxa4 31. Kxh3 Rc8 32. c4 Bd7+ 33. Kg2 b5 34. Rc1 Rc5 35. Rb1 Kf6 36. cxb5 axb5 37. h3 Rc2 38. Re1 b4 39. Kf2 Bxh3 40. Rb1 g4 41. Re1 g3+ 42. Kg1 Ra2 43. Bf1 g2 44. Bxg2 Bxg2 45. Rb1 Bxf3 46. Rxb4 Re2 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.25"]
[Round "10"]
[White "Lynch, Justin"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1737"]
[BlackElo "1715"]
[PlyCount "78"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Bg7 7. 0-0 0-0 8. Nc3 e6 9. Bf4 Nc6 10. Ne5 Nh5 11. Nxc6 bxc6 12. Be3 f5 13. Na4 f4 14. Bc1 e5 15. dxe5 Bxe5 16. Bd2 Bg4 17. Rc1 Rc8 18. b3 Re8 19. Rc2 fxg3 20. hxg3 Bxg3 21. Be1 Bf4 22. f3 Bf5 23. e4 dxe4 24. Qxd8 Rcxd8 25. fxe4 Bxe4 26. Bxe4 Rxe4 27. Rxc6 Rd1 28. Rc8+ Kf7 29. Rc7+ Ke8 30. Rc8+ Kd7 31. Rd8+ Kxd8 32. Ba5+ Ke8 33. Rxd1 Re2 34. Be1 Rxa2 35. Bf2 Ke7 36. Nc3 Rb2 37. b4 Ke6 38. Nd5 a6 39. Bc5 Bh2+ 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.24"]
[Round "8"]
[White "Elliott, Luka"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1756"]
[BlackElo "1715"]
[PlyCount "60"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 0-0 6. 0-0 d5 7. Nc3 Ne4 8. cxd5 cxd5 9. e3 Nc6 10. Qb3 Na5 11. Qd1 Nxc3 12. bxc3 Qc7 13. Bd2 Nc4 14. Ne1 Rd8 15. Nc2 Bf5 16. Re1 Rac8 17. Nb4 e6 18. Bc1 Nb6 19. Bd2 a5 20. Nc2 Na4 21. Na3 Nxc3 22. Qc1 Bf8 23. Qb2 Bxa3 24. Qxa3 b5 25. Rac1 b4 26. Qb3 Ne2+ 27. Rxe2 Qxc1+ 28. Be1 Bc2 29. Rxc2 Qxc2 30. Qxc2 Rxc2 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.24"]
[Round "9"]
[White "Roos, Lucas"]
[Black "Sadie, Johan Jacobus Hendr"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "1715"]
[BlackElo "1707"]
[PlyCount "43"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 g6 5. cxd5 cxd5 6. d4 Bg7 7. Nc3 Ne4 8. 0-0 Nc6 9. e3 Nxc3 10. bxc3 Na5 11. Ne5 0-0 12. Qf3 e6 13. Ba3 Bxe5 14. Bxf8 Nc4 15. Bh6 Bg7 16. Bxg7 Kxg7 17. Rfe1 b6 18. e4 Bb7 19. exd5 Bxd5 20. Qe2 Rc8 21. Bxd5 exd5 22. Qe4 1/2-1/2

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.23"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Hempe, Lilitha"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "1715"]
[BlackElo "1518"]
[PlyCount "83"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 Bd7 7. Qd2 h6 8. Bxf6 gxf6 9. f4 a6 10. Nf5 b5 11. 0-0-0 b4 12. Nd5 e6 13. Re1 Bc8 14. Bc4 exf5 15. exf5+ Kd7 16. Nxb4 Bb7 17. Bxf7 Nxb4 18. Qxb4 Qc7 19. Qd4 Be7 20. Qe3 Kd8 21. Re2 Rh7 22. Bg6 Rg7 23. Qh3 Qc4 24. Qe3 Rc8 25. Rhe1 Rc7 26. Kb1 Bd5 27. b3 Qc5 28. Qh3 a5 29. Qxh6 Rg8 30. Qh7 a4 31. c4 Qd4 32. Rxe7 Qd3+ 33. Kb2 Qd4+ 34. Ka3 Rxe7 35. Qxe7+ Kc8 36. Qxd6 axb3 37. Qxd5 Qc3 38. Qxg8+ Kb7 39. Re7+ Kb6 40. Qb8+ Kc5 41. Qb5+ Kd6 42. Rd7# 1-0

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.23"]
[Round "7"]
[White "Roos, Lucas"]
[Black "Kolver, Chris"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1715"]
[BlackElo "1962"]
[PlyCount "72"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. d3 d6 5. Be3 g6 6. Qd2 Bg7 7. 0-0-0 Be6 8. f4 Nd4 9. Ng3 h5 10. Be2 h4 11. f5 Bd7 12. Nd5 hxg3 13. hxg3 Rxh1 14. Rxh1 gxf5 15. Rh7 Kf8 16. Bh5 Be6 17. Nc3 Rc8 18. Nd1 c4 19. Kb1 cxd3 20. c3 Nc6 21. Qxd3 fxe4 22. Qf1 Qf6 23. Qb5 Qf5 24. Qxb7 Qxh7 25. Bxf7 Nd8 26. Bxg8 Qxg8 27. Qxe4 Bxa2+ 28. Kc1 Qf7 29. Nf2 Be6 30. g4 Qb7 31. Qd3 Rc6 32. Kc2 d5 33. Qh7 d4 34. Qh4 dxe3 35. Qxd8+ Kf7 36. Nd3 Qb3+ 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.22"]
[Round "4"]
[White "Roos, Lucas"]
[Black "Tshabalala, Ernest"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1715"]
[BlackElo "1842"]
[PlyCount "39"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. 0-0 e6 5. c4 d5 6. d4 dxc4 7. Qa4 Qa5 8. Qxc4 Qb4 9. Qxb4 cxb4 10. Nbd2 Be7 11. e4 0-0 12. b3 Rd8 13. Bb2 b6 14. Rfe1 Bb7 15. Nc4 Rac8 16. Nfd2 Ba6 17. e5 Nd5 18. Ne4 Nc3 19. Bxc3 bxc3 20. Red1 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.22"]
[Round "5"]
[White "Samuel, Caleb"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1757"]
[BlackElo "1715"]
[PlyCount "29"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Nd5 5. Bxe7 Nxe7 6. c3 c5 7. Nf3 Nbc6 8. Qd2 0-0 9. Be2 d6 10. exd6 Qxd6 11. 0-0 Rd8 12. Rd1 b5 13. a4 Ba6 14. b4 Nxb4 15. cxb4 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.21"]
[Round "2"]
[White "Roos, Lucas"]
[Black "King, Eduard Norman"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1715"]
[BlackElo "1516"]
[PlyCount "37"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. Bf4 Qxf4 8. Nxf4 Bxd1 9. Kxd1 e6 10. Nd2 Nf6 11. Bc2 Bd6 12. Nd3 a5 13. a4 Rb8 14. Nf3 b5 15. axb5 Rxb5 16. Ba4 Rb6 17. Nfe5 Bxe5 18. Nxe5 Ne4 19. Kc2 1-0

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.21"]
[Round "3"]
[White "Sikwati, Lizo"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "1473"]
[BlackElo "1715"]
[PlyCount "48"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. h4 h6 8. Qc2 c5 9. Ne2 Nc6 10. dxc5 Qa5+ 11. Nc3 Bf5 12. Bf4 0-0 13. Be2 Nb4 14. Qb3 Nd3+ 15. Bxd3 exd3 16. Kd2 Qxc5 17. Qxb7 e5 18. Bg3 Rab8 19. Qa6 Rxb2+ 20. Kc1 Qb4 21. Nb1 Rxb1+ 22. Rxb1 Qc3+ 23. Kd1 Qc2+ 24. Ke1 Qe2# 0-1

[Event "RSA-ch U18"]
[Site "Bloemfontein"]
[Date "2016.03.20"]
[Round "1"]
[White "Van Staden, Christiaan"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1435"]
[BlackElo "1715"]
[PlyCount "38"]
[EventDate "2016.03.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Ne4 4. Nxe4 dxe4 5. e3 g6 6. Bc4 Bg7 7. c3 c5 8. Qb3 0-0 9. Bd5 Nc6 10. Bxe4 Be6 11. d5 f6 12. dxe6 fxg5 13. Ne2 Ne5 14. 0-0 h6 15. Bf3 Qc8 16. Qd5 Qc6 17. Qxc6 bxc6 18. b3 Rf6 19. Ng3 Rxe6 1/2-1/2

[Event "RSA-chT U18"]
[Site "Cape Town"]
[Date "2016.01.06"]
[Round "5.1"]
[White "Kolver, Chris"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "1958"]
[BlackElo "1672"]
[PlyCount "38"]
[EventDate "2016.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Tshwane"]
[BlackTeam "Kenneth Kaunda"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bf4 Nxc3 6. bxc3 dxc4 7. e3 Bg7 8. Bxc4 0-0 9. Nf3 Nc6 10. 0-0 Na5 11. Be2 c5 12. Qa4 Bd7 13. Qa3 cxd4 14. cxd4 a6 15. Rac1 Bb5 16. Bc7 Qd7 17. Bxb5 axb5 18. Bxa5 b6 19. Qb4 bxa5 1/2-1/2

[Event "RSA-chT U18"]
[Site "Cape Town"]
[Date "2016.01.06"]
[Round "6.1"]
[White "Van Staden, Christiaan"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1390"]
[BlackElo "1672"]
[PlyCount "134"]
[EventDate "2016.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Capricorn"]
[BlackTeam "Kenneth Kaunda"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 Nh6 7. Qb3 Qxb3 8. axb3 cxd4 9. cxd4 Nf5 10. Be3 f6 11. Bb5 Bd7 12. exf6 gxf6 13. 0-0 Bd6 14. Na3 Rg8 15. Bd3 e5 16. Nb5 Bb8 17. dxe5 fxe5 18. Bc2 e4 19. Ne1 Nb4 20. Na3 Be5 21. Rb1 Bc6 22. g3 d4 23. Bd2 Nxc2 24. Nexc2 Nh4 25. Ne1 Nf5 26. Nc4 Bc7 27. Ng2 0-0-0 28. Bf4 Nh4 29. Nxh4 Bxf4 30. Nf5 Rd7 31. Ne5 Bb5 32. Nc4 Rg5 33. Nh4 Bxc4 34. bxc4 Rc7 35. Ng2 Bd2 36. Rbd1 e3 37. fxe3 dxe3 38. Rf8+ Kd7 39. Rf7+ Kc6 40. Rf3 Re7 41. b3 Rge5 42. h3 Rd7 43. h4 e2 44. Ra1 e1Q+ 45. Nxe1 Rxe1+ 46. Rxe1 Bxe1 47. Kg2 Rg7 48. Kh3 Kc5 49. g4 Ba5 50. g5 Bd8 51. Rd3 Bc7 52. Kg4 h6 53. Kh5 hxg5 54. hxg5 Bf4 55. g6 Kc6 56. Kg4 Bc1 57. Kf5 b6 58. Kf6 Rg8 59. Kf7 Rc8 60. Rh3 Bb2 61. Rd3 Rc7+ 62. Ke6 Kc5 63. Kf5 Kb4 64. Kg5 Bc3 65. Kh6 Kxb3 66. Rf3 Kxc4 67. Rf4+ Kb3 0-1

[Event "RSA-chT U18"]
[Site "Cape Town"]
[Date "2016.01.05"]
[Round "3.1"]
[White "Balmakhun, Yashkar"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1638"]
[BlackElo "1672"]
[PlyCount "52"]
[EventDate "2016.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Ethekwini"]
[BlackTeam "Kenneth Kaunda"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 g6 5. 0-0 Bg7 6. d3 0-0 7. Nc3 dxc4 8. dxc4 Be6 9. Qa4 Na6 10. Be3 Qc8 11. Rfd1 Bh3 12. Qa3 Re8 13. b3 Bxg2 14. Kxg2 Ng4 15. Bd4 e5 16. Be3 Nxe3+ 17. fxe3 e4 18. Nd4 Bh6 19. Qc1 Nc5 20. Nc2 a5 21. Qa3 Re5 22. Rf1 Qe6 23. Rf4 Bxf4 24. exf4 Rh5 25. h4 b5 26. cxb5 cxb5 0-1

[Event "RSA-chT U18"]
[Site "Cape Town"]
[Date "2016.01.04"]
[Round "1.1"]
[White "Modi, Sachin"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1757"]
[BlackElo "1672"]
[PlyCount "49"]
[EventDate "2016.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Johannesburg Metro"]
[BlackTeam "Kenneth Kaunda"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 Qc7 12. Bf4 c4 13. d4 Nb6 14. N1h2 Na4 15. Rb1 c3 16. b3 Nb2 17. Qe2 a4 18. Ng4 Qb6 19. Qe3 h5 20. Nh6+ Kh7 21. Qxc3 a3 22. Qe3 Bd7 23. g4 gxh6 24. Bxh6 Rg8 25. gxh5 0-1

[Event "RSA-chT U18"]
[Site "Cape Town"]
[Date "2016.01.04"]
[Round "2.1"]
[White "Roos, Lucas"]
[Black "Smith, David"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1672"]
[BlackElo "1507"]
[PlyCount "42"]
[EventDate "2016.01.04"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "RSA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Kenneth Kaunda"]
[BlackTeam "Sedibeng"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nc3 c6 6. Nge2 h6 7. Bf4 Nf6 8. Qd2 Qc7 9. Qe3+ Be6 10. Bf5 Qe7 11. Bxd6 Qxd6 12. Nf4 0-0 13. Nxe6 Re8 14. Qe5 Qe7 15. 0-0-0 fxe6 16. Rhe1 Kf7 17. Qf4 Kf8 18. Rxe6 Qd8 19. Rde1 Rxe6 20. Bxe6 Na6 21. Ne2 Qc7 0-1

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.09"]
[Round "9"]
[White "Agulhas, Keegan"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1716"]
[BlackElo "1682"]
[PlyCount "88"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Nh6 8. Nc3 Nf5 9. Na4 Qa5+ 10. Bd2 Bb4 11. Bc3 Bxc3+ 12. Nxc3 Qb4 13. Qd2 Nfxd4 14. Nb5 Nxf3+ 15. gxf3 Qxd2+ 16. Kxd2 Ke7 17. f4 a6 18. Na3 Bd7 19. Nc2 Rac8 20. Rhg1 g6 21. h4 h5 22. Rg3 Rc7 23. Rc3 Rhc8 24. Rc1 Kd8 25. Bd3 Na7 26. Nd4 Bb5 27. Bxb5 Nxb5 28. Nxb5 axb5 29. Rxc7 Rxc7 30. Rxc7 Kxc7 31. b4 Kb6 32. Kc3 Kc6 33. Kd4 b6 34. a3 Kd7 35. Ke3 Ke7 36. Kd4 f6 37. Ke3 fxe5 38. fxe5 g5 39. hxg5 h4 40. f4 h3 41. Kf3 d4 42. f5 exf5 43. g6 d3 44. e6 Kxe6 0-1

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.08"]
[Round "7"]
[White "Klevansky, Aron"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1832"]
[BlackElo "1682"]
[PlyCount "94"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 cxd4 8. cxd4 f6 9. Bb5 fxe5 10. Nxe5 Ndxe5 11. dxe5 Qg5 12. Nf3 Qxg2 13. Rg1 Qh3 14. Bd2 Bd7 15. Qb3 Rc8 16. Ke2 Qh5 17. Bc3 g6 18. Rg5 Qh6 19. Rag1 Be7 20. R5g4 Rf8 21. h4 Qh5 22. Bd3 d4 23. Nxd4 Qxe5+ 24. Kd1 Nxd4 25. Bxd4 Qh5 26. Be2 Qa5 27. Bc3 Qf5 28. f3 Bc6 29. Kc1 Bc5 30. R1g2 Be3+ 31. Bd2 Ba4+ 32. Rc4 Bxd2+ 33. Kxd2 Rd8+ 34. Qd3 Rxd3+ 35. Bxd3 Qa5+ 36. b4 Qd5 37. Kc3 Rxf3 38. Rd2 Qe5+ 39. Rd4 Bb5 40. Kc2 Rxd3 41. R4xd3 Bxd3+ 42. Rxd3 Qe2+ 43. Kc3 Qe1+ 44. Kc4 Qxh4+ 45. Rd4 Qf2 46. a4 Qc2+ 47. Kb5 Qc6+ 0-1

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.08"]
[Round "8"]
[White "Roos, Lucas"]
[Black "Kolver, Chris"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1682"]
[BlackElo "1931"]
[PlyCount "73"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Be6 8. Nge2 Nge7 9. 0-0 Nd4 10. Nc1 0-0 11. Nd1 Qd7 12. c3 Ndc6 13. Bh6 d5 14. Bxg7 Kxg7 15. Nb3 b6 16. Ne3 d4 17. Nc2 Rad8 18. Rfd1 Qc7 19. f4 f6 20. cxd4 Bxb3 21. axb3 Nxd4 22. Ra6 Nxc2 23. Qxc2 Nc6 24. Rda1 Qd7 25. Qc4 Na5 26. Qd5 Nc6 27. fxe5 fxe5 28. Bh3 Qd6 29. Be6 Rf6 30. Rxa7+ Nxa7 31. Rxa7+ Kh6 32. Qb7 Qd4+ 33. Kh1 Rf1+ 34. Kg2 Rf2+ 35. Kh3 Rf1 36. Qg7+ Kg5 37. Qh8 1/2-1/2

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.07"]
[Round "5"]
[White "Lynch, Justin"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "1635"]
[BlackElo "1682"]
[PlyCount "59"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5 4. c4 c6 5. e3 Bg7 6. Be2 0-0 7. cxd5 cxd5 8. 0-0 Nc6 9. Nb3 Ne4 10. Bd2 e5 11. dxe5 Nxe5 12. Nbd4 Qb6 13. b4 Bd7 14. a4 Nc4 15. a5 Qd6 16. Be1 Rfc8 17. b5 b6 18. a6 Qe7 19. Rb1 Ned6 20. Bb4 Qe8 21. Bxd6 Nxd6 22. Qb3 Rc5 23. Qb4 Ne4 24. Bd3 Nc3 25. Rb3 Rac8 26. Rb2 Bf8 27. Qb3 Bg7 28. Qb4 Bf8 29. Qb3 Bg7 30. Qb4 1/2-1/2

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.07"]
[Round "6"]
[White "Roos, Lucas"]
[Black "Van Zyl Rudd, Jack"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1682"]
[BlackElo "1632"]
[PlyCount "73"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Be7 9. f4 d6 10. Nxc6 bxc6 11. g4 d5 12. Bf3 Bb7 13. g5 Nd7 14. f5 Ne5 15. Bh5 g6 16. Bg4 Nxg4 17. Qxg4 Bc8 18. f6 Bd6 19. Qg2 Bd7 20. Qf2 Qa5 21. Rfd1 Rb8 22. Rab1 Be5 23. Bf4 Qc7 24. Ne2 Bxf4 25. Qxf4 Qxf4 26. Nxf4 e5 27. Nd3 dxe4 28. Nxe5 Rd8 29. Rd4 c5 30. Rxe4 Bf5 31. Rc4 Rd2 32. Rxc5 Rxc2 33. Rxc2 Bxc2 34. Rc1 Bf5 35. Rc6 0-0 36. Rxa6 Re8 37. Ra5 1-0

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.06"]
[Round "3"]
[White "Marais, Franco"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "1782"]
[BlackElo "1682"]
[PlyCount "79"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. Qa4+ Nd7 8. Nf3 Bg7 9. e3 0-0 10. Qxc4 c5 11. Be2 b6 12. 0-0 Bb7 13. Rfd1 Qe8 14. Qb3 e6 15. Bb5 Bd5 16. Qa4 Qc8 17. Bxd7 Qb7 18. Bb5 Bxf3 19. gxf3 Qxf3 20. dxc5 Rfc8 21. c6 a6 22. Bf1 b5 23. Qf4 Qxf4 24. exf4 Bxc3 25. Rac1 b4 26. Be7 e5 27. Bd6 e4 28. c7 a5 29. Bb5 Ra7 30. Bd7 Rcxc7 31. Bxc7 Rxc7 32. Ba4 Kg7 33. Rc2 Kf6 34. Rd5 Ke6 35. Rxa5 Ke7 36. Bb3 Rd7 37. Rd5 Rxd5 38. Bxd5 f5 39. Bg8 h6 40. a3 1-0

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.06"]
[Round "4"]
[White "Roos, Lucas"]
[Black "Smith, David2"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1682"]
[BlackElo "1472"]
[PlyCount "47"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 c6 5. Bd3 Bd6 6. Nge2 Nf6 7. Bg5 Nbd7 8. Qd2 0-0 9. 0-0-0 b5 10. Ng3 Re8 11. Nce2 a5 12. Nf5 Bf8 13. Qf4 Bb7 14. Neg3 Qb8 15. Qh4 Ne4 16. Nxe4 dxe4 17. Bxe4 h6 18. Be3 Qc7 19. Bd3 b4 20. Nxh6+ gxh6 21. Qg4+ Bg7 22. Bxh6 Kf8 23. Qxg7+ Ke7 24. Bg5+ 1-0

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.04"]
[Round "1"]
[White "Moodley, Tarendra"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "1432"]
[BlackElo "1682"]
[PlyCount "82"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 0-0 8. Nf3 c5 9. Nb5 a6 10. Nd6 Nc6 11. dxc5 Nxc5 12. Bd3 f6 13. Qe2 fxe5 14. fxe5 Nxd3+ 15. cxd3 Nd4 16. Qf2 Nxf3+ 17. gxf3 Qg5 18. d4 Qf4 19. Ke2 Bd7 20. Qe3 Bb5+ 21. Nxb5 axb5 22. Qxf4 Rxf4 23. Ke3 Raf8 24. Rhf1 g5 25. Rf2 g4 26. Raf1 gxf3 27. Rxf3 Rxf3+ 28. Rxf3 Rxf3+ 29. Kxf3 b4 30. Kg4 Kg7 31. Kg5 h6+ 32. Kh5 Kh7 33. h4 Kg7 34. Kg4 Kg6 35. h5+ Kf7 36. Kf3 Ke7 37. Ke3 Kd7 38. Kd3 Kc6 39. Kc2 Kb5 40. b3 Ka5 41. Kb2 Kb5 1/2-1/2

[Event "RSA-ch U16"]
[Site "Waterkloof"]
[Date "2015.04.04"]
[Round "2"]
[White "Roos, Lucas"]
[Black "Balmakhun, Yashkar"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1682"]
[BlackElo "1457"]
[PlyCount "31"]
[EventDate "2015.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RSA"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 Bb7 3. d3 e6 4. g3 Nf6 5. Bg2 Bc5 6. Nge2 0-0 7. 0-0 d5 8. exd5 Nxd5 9. Ne4 Nd7 10. Nxc5 Nxc5 11. d4 Nf6 12. dxc5 Qxd1 13. Rxd1 Ba6 14. Bxa8 Bxe2 15. Re1 Rxa8 16. Rxe2 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.21"]
[Round "10.2"]
[White "Higgins, Michael"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1559"]
[BlackElo "1732"]
[PlyCount "159"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "RSA"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. d3 0-0 6. e3 d5 7. cxd5 cxd5 8. Nf3 Nc6 9. 0-0 a6 10. Rb1 b5 11. a3 Bb7 12. Qc2 Rc8 13. Qe2 Ne8 14. Bd2 Na5 15. d4 Nd6 16. b3 Qb6 17. Ne1 Ne4 18. Nxe4 dxe4 19. Bb4 Rfe8 20. Qd2 Nc6 21. Bc5 Qa5 22. Qc2 f5 23. f3 Nxd4 24. Qa2 Rxc5 25. b4+ Bd5 26. Qd2 Qxa3 27. bxc5 Ba2 28. Rd1 exf3 29. Nxf3 Bh6 30. Rfe1 Nxf3+ 31. Bxf3 Bg7 32. Bd5+ Bxd5 33. Qxd5+ Kf8 34. c6 Bc3 35. Re2 Ba5 36. Qd7 Rd8 37. Qxd8+ Bxd8 38. Rxd8+ Kf7 39. Rc2 Qxe3+ 40. Kf1 Qf3+ 41. Ke1 Qe3+ 42. Kd1 Qg1+ 43. Kd2 Qf2+ 44. Kc1 Qe1+ 45. Rd1 Qe3+ 46. Rdd2 Qa3+ 47. Kb1 Qb4+ 48. Rb2 Qe4+ 49. Rdc2 Qe1+ 50. Ka2 Qa5+ 51. Kb3 Qa4+ 52. Kc3 e5 53. Kd2 Qd4+ 54. Ke2 Qe4+ 55. Kf2 f4 56. c7 Qd4+ 57. Ke1 Qg1+ 58. Ke2 Qxh2+ 59. Kd3 Qxg3+ 60. Ke4 Qe3+ 61. Kd5 Qd3+ 62. Kc6 Qe4+ 63. Kb6 Qd4+ 64. Kb7 Qd7 65. Rd2 Qf5 66. c8Q Qxc8+ 67. Kxc8 Ke6 68. Kb7 e4 69. Rb4 e3 70. Re2 g5 71. Kxa6 Kf5 72. Kxb5 h5 73. Kc4 f3 74. Rxe3 Kf4 75. Kd3+ Kg3 76. Rb5 g4 77. Rxh5 Kf2 78. Rg5 g3 79. Rxg3 Kxg3 80. Ke4 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.20"]
[Round "9.2"]
[White "Roos, Lucas"]
[Black "Bjerre, Jonas Buhl"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1732"]
[BlackElo "2073"]
[PlyCount "48"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "DEN"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Bd3 b5 8. 0-0 Bb7 9. f4 Nxd4 10. Bxd4 Bc5 11. Bxb5 axb5 12. Kh1 Nf6 13. Nxb5 Qc6 14. Bxc5 Nxe4 15. Qe2 Qxc5 16. c4 0-0 17. a3 Rfc8 18. Rac1 Qb6 19. Rf3 d5 20. b3 dxc4 21. Rxc4 Rxc4 22. bxc4 Rd8 23. Rf1 Rd2 24. c5 Qxc5 0-1

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.19"]
[Round "8.1"]
[White "Petrov, Martin"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2183"]
[BlackElo "1732"]
[PlyCount "65"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. exd5 Qxd5 7. Ngf3 0-0 8. 0-0 Nc6 9. a3 a5 10. b3 Bxc5 11. Bb2 e5 12. Re1 Ba7 13. Nxe5 Qc5 14. Nxc6 Qxf2+ 15. Kh1 bxc6 16. Ne4 Ng4 17. Qf3 Qh4 18. h3 f5 19. Bc4+ Kh8 20. Re2 Bd7 21. Rf1 h6 22. Nd6 Bc5 23. Nf7+ Kh7 24. Qd3 Rae8 25. Qxd7 Ne3 26. Rxe3 Rxe3 27. Qxf5+ g6 28. Qg4 Qe7 29. Qf4 Rxh3+ 30. gxh3 Be3 31. Qg4 h5 32. Qxg6+ Kxg6 33. Bd3+ 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.18"]
[Round "6.2"]
[White "Roos, Lucas"]
[Black "Al Bashayra, Yazan"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1732"]
[BlackElo "1780"]
[PlyCount "80"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Jordan"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "JOR"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 d6 7. Qd2 b5 8. Nge2 b4 9. Nd1 Nf6 10. Bh6 0-0 11. 0-0 Bd7 12. Bxg7 Kxg7 13. f4 Qc8 14. Ne3 Bh3 15. f5 Bxg2 16. Kxg2 Qd7 17. Nf4 e6 18. g4 g5 19. Nh5+ Nxh5 20. gxh5 f6 21. Ng4 e5 22. h4 h6 23. hxg5 hxg5 24. Ne3 Rh8 25. Rh1 Qf7 26. Qe2 Nd4 27. Qg4 Rh6 28. Qd1 Rbh8 29. a3 b3 30. c3 Nc6 31. Nd5 Rxh5 32. Qxb3 Rxh1 33. Rxh1 Rxh1 34. Kxh1 Qh5+ 35. Kg1 Qg4+ 36. Kf2 Qh4+ 37. Kg2 Qg4+ 38. Kf2 Qh4+ 39. Kg2 Qg4+ 40. Kf2 Qh4+ 1/2-1/2

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.18"]
[Round "7.2"]
[White "Simon, Lili"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1901"]
[BlackElo "1732"]
[PlyCount "41"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Hungary Girls"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "RSA"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. d4 0-0 6. Nf3 d6 7. 0-0 Qe8 8. b3 e5 9. dxe5 dxe5 10. Ba3 Rf7 11. Qc2 Nc6 12. Rad1 f4 13. Ng5 Bf5 14. Qc1 fxg3 15. Nxf7 gxf2+ 16. Rxf2 Qxf7 17. Bd5 Nxd5 18. Nxd5 e4 19. Bb2 e3 20. Nxe3 Bh6 21. Qc3 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.15"]
[Round "4.1"]
[White "Roos, Lucas"]
[Black "Giczi, Alexandra Laura"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1732"]
[BlackElo "1424"]
[PlyCount "131"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Transdanubium III"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "HUN"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Ne2 Bd6 6. Nbc3 Nge7 7. Nb5 Bf5 8. c3 Bxd3 9. Qxd3 a6 10. Nxd6+ Qxd6 11. Bf4 Qd7 12. 0-0 0-0 13. Rae1 Ng6 14. Qg3 Nxf4 15. Nxf4 Ne7 16. Re5 Ng6 17. Rxd5 Nxf4 18. Rxd7 Ne2+ 19. Kh1 Nxg3+ 20. fxg3 Rac8 21. Kg1 f6 22. Re1 Rfd8 23. Ree7 Rxd7 24. Rxd7 b5 25. Kf2 g5 26. g4 a5 27. b3 c5 28. Ke3 c4 29. Kd2 b4 30. cxb4 axb4 31. Rb7 cxb3 32. axb3 Ra8 33. Ke3 Ra2 34. Kf3 Rd2 35. Rxb4 Kf7 36. h3 Ke6 37. Rb6+ Kd5 38. Rxf6 Rxd4 39. Rf5+ Ke6 40. Rxg5 Rd3+ 41. Ke4 Rxb3 42. Rg7 Rb2 43. Kf3 Rb3+ 44. Kf4 Rb2 45. Kg3 Rb3+ 46. Kh4 Rb2 47. g3 Rb4 48. Rxh7 Kf6 49. Rh5 Kg6 50. Rg5+ Kh6 51. Rf5 Rc4 52. Rf4 Rc5 53. g5+ Rxg5 54. Rf6+ Rg6 55. Rxg6+ Kxg6 56. Kg4 Kh6 57. Kf5 Kg7 58. g4 Kf7 59. h4 Kg7 60. h5 Kf7 61. g5 Kf8 62. Kf6 Kg8 63. g6 Kf8 64. g7+ Kg8 65. h6 Kh7 66. Kf7 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.14"]
[Round "2.2"]
[White "Czupor, Attila"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2107"]
[BlackElo "1732"]
[PlyCount "47"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Transdanubium West II"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "RSA"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg5 Bb4 6. Qe2+ Qe7 7. Bxf6 gxf6 8. Qxe7+ Kxe7 9. Nge2 Bf5 10. 0-0-0 c6 11. Ng3 Bg6 12. Re1+ Kd7 13. Re3 Na6 14. Bxa6 bxa6 15. Na4 f5 16. Rf3 Rhe8 17. Nxf5 Re2 18. a3 Bd2+ 19. Kd1 Rae8 20. Ng3 R2e4 21. Nc5+ Kd6 22. Ngxe4+ dxe4 23. Rf6+ Ke7 24. Rxg6 1-0

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.14"]
[Round "3.2"]
[White "Roos, Lucas"]
[Black "Gedajlovic, Max"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1732"]
[BlackElo "2104"]
[PlyCount "94"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Canada III"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "CAN"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. Be3 Nd4 8. Qd2 Ne7 9. 0-0-0 Qa5 10. Kb1 Nec6 11. Bh6 Bxh6 12. Qxh6 Bd7 13. h4 0-0-0 14. h5 b5 15. Nxd4 Nxd4 16. Qe3 Qb6 17. f4 b4 18. Ne2 Nb5 19. Ka1 Rhe8 20. hxg6 hxg6 21. Rh7 Re7 22. Rdh1 Bc6 23. Rh8 Rde8 24. R1h7 Rxh8 25. Rxh8+ Kb7 26. Rf8 Qc7 27. Bf3 Re8 28. Rxe8 Bxe8 29. f5 e5 30. Qh6 gxf5 31. exf5+ Bc6 32. Qh1 Bxf3 33. Qxf3+ Qc6 34. Qe4 f6 35. g4 d5 36. Qh1 Nd6 37. Qh4 d4 38. Ng3 Qf3 39. b3 Kc6 40. Kb2 e4 41. Nxe4 Nxe4 42. dxe4 Qc3+ 43. Kb1 d3 44. Qf2 d2 45. Qe2 c4 46. bxc4 Qd4 47. c3 d1Q+ 0-1

[Event "World ol U16"]
[Site "Gyor"]
[Date "2014.12.13"]
[Round "1.2"]
[White "Roos, Lucas"]
[Black "Abramciuc, Marius"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1732"]
[BlackElo "2204"]
[PlyCount "72"]
[EventDate "2014.12.13"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "HUN"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Moldova"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "MDA"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 7. Bb3 Ba7 8. Nf1 h6 9. Ng3 0-0 10. h3 Be6 11. Qe2 Qd7 12. Nh4 Kh7 13. Bc2 g6 14. Be3 Ng8 15. 0-0 Qe7 16. Nf3 d5 17. Bxa7 Rxa7 18. Rfe1 dxe4 19. Nxe4 Bd5 20. Ba4 b5 21. Bc2 Raa8 22. Bb3 Rad8 23. Bxd5 Rxd5 24. c4 Rdd8 25. Nc3 bxc4 26. dxc4 Rfe8 27. Qe4 Qe6 28. Nd5 Rd7 29. Rad1 f5 30. Qh4 Kg7 31. Nf4 exf4 32. Rxe6 Rxd1+ 33. Re1 Rexe1+ 34. Nxe1 Rxe1+ 35. Kh2 g5 36. Qh5 Nd4 0-1

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.28"]
[Round "10"]
[White "Roos, Lucas"]
[Black "Lenaerts, Lennert"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1684"]
[BlackElo "2329"]
[PlyCount "38"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 a6 5. Bb3 d6 6. Nbd2 Ba7 7. Nf1 Be6 8. Ng3 Qd7 9. Be3 Bxe3 10. fxe3 d5 11. Qe2 dxe4 12. dxe4 Bxb3 13. axb3 Rd8 14. Rd1 Qxd1+ 15. Qxd1 Rxd1+ 16. Kxd1 g6 17. Ke2 Ke7 18. Nd2 h5 19. h4 Nf6 0-1

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.27"]
[Round "9"]
[White "Roos, Lucas"]
[Black "Tuomainen, Felix"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1684"]
[BlackElo "2042"]
[PlyCount "42"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nd2 Bg7 8. Ngf3 0-0 9. 0-0 Nh5 10. Be3 Qb6 11. b4 e5 12. dxe5 Nxe5 13. Bc5 Qc7 14. Nxe5 Bxe5 15. Bxf8 Kxf8 16. Rc1 Bxh2+ 17. Kh1 Be5 18. Nb3 Qe7 19. g3 Qf6 20. Qe1 Qf3+ 21. Kh2 Nf4 0-1

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.26"]
[Round "8"]
[White "Berman, Jacob"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1837"]
[BlackElo "1684"]
[PlyCount "62"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 d6 7. e4 Bg7 8. Bf4 0-0 9. Qd2 a6 10. a4 Re8 11. Bd3 Nh5 12. Bg5 Qa5 13. g4 Nf6 14. h4 b5 15. h5 c4 16. Be2 Nbd7 17. hxg6 hxg6 18. Ra2 b4 19. Nd1 Nc5 20. Bxf6 Bxf6 21. g5 Bg7 22. Bxc4 Nxe4 23. fxe4 Rxe4+ 24. Be2 Rd4 25. Qe3 b3+ 26. Nc3 bxa2 27. Qe8+ Bf8 28. Rh8+ Kxh8 29. Qxf8+ Kh7 30. Qxf7+ Kh8 31. Qf8+ Kh7 1/2-1/2

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.25"]
[Round "7"]
[White "Roos, Lucas"]
[Black "Sinyanskiy, Maxim"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1684"]
[BlackElo "2038"]
[PlyCount "45"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nge7 8. Nge2 Nd4 9. 0-0 0-0 10. f4 Rb8 11. f5 exf5 12. Bh6 Nxe2+ 13. Nxe2 Be6 14. Bxg7 Kxg7 15. Rf4 f6 16. Bh3 Qd7 17. Nc3 d5 18. exf5 Bxf5 19. g4 Be6 20. Raf1 g5 21. Rxf6 Rxf6 22. Qxg5+ Ng6 23. Rxf6 0-1

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.23"]
[Round "6"]
[White "Ahmed, Fareed"]
[Black "Roos, Lucas"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1929"]
[BlackElo "1684"]
[PlyCount "70"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 Qxd5 6. c4 Qd8 7. d5 exd5 8. cxd5 Qxd5 9. Bc4 Qd6 10. Qe2+ Be7 11. Ne4 Qc7 12. Bd2 a6 13. Bc3 f6 14. Nxc5 b5 15. Bd5 Rb8 16. Rc1 Nd8 17. b4 Kf8 18. Be5 fxe5 19. Ne6+ Nxe6 20. Rxc7 Bxb4+ 21. Kd1 Nxc7 22. Qxe5 Nxd5 23. Qxb8 Nge7 24. Ne5 g6 25. Nc6 Kf7 26. Qe5 Nc3+ 27. Kc1 Nxa2+ 28. Kb1 Re8 29. Nxe7 Rxe7 30. Qf4+ Bf5+ 31. Kb2 a5 32. g4 Re4 33. Qf3 Rxg4 34. Qb7+ Be7 35. Re1 Ra4 1/2-1/2

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.23"]
[Round "5"]
[White "Roos, Lucas"]
[Black "Isaev, Chyngyz"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1684"]
[BlackElo "1957"]
[PlyCount "107"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d4 a6 6. Nge2 Bf5 7. f3 e6 8. Bg5 Be7 9. Qd2 Nc6 10. 0-0 0-0-0 11. Rfd1 h6 12. Be3 g5 13. Ng3 Bg6 14. Nce4 Nxe4 15. Nxe4 Bxe4 16. fxe4 f5 17. e5 Qd7 18. Qe2 Nb4 19. Bf2 Qc6 20. Bb3 Nd5 21. c4 Nf4 22. Qf1 Qe4 23. Re1 Qd3 24. Rad1 Qxf1+ 25. Kxf1 b5 26. d5 bxc4 27. Bxc4 Nxd5 28. Bxa6+ Kd7 29. Bb7 c6 30. Rc1 Nb4 31. Bb6 Rb8 32. Bxc6+ Nxc6 33. Red1+ Ke8 34. Rxc6 Kf7 35. Rd7 Rhc8 36. Rxc8 Rxc8 37. Rc7 Rxc7 38. Bxc7 Ke8 39. Ba5 Kd7 40. a4 Kc6 41. Bc3 Kc5 42. b3 h5 43. Ke2 h4 44. h3 g4 45. Kd3 Kd5 46. a5 Kc5 47. Bd2 Kb5 48. b4 Bf8 49. hxg4 fxg4 50. Ke4 Bg7 51. Be3 Bf8 52. Bd2 Bg7 53. Bc3 Bh6 54. Be1 1/2-1/2

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.22"]
[Round "4"]
[White "Suta, Andraz"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2063"]
[BlackElo "1684"]
[PlyCount "59"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd3 Bb4 5. Bg5 c5 6. e5 cxd4 7. exf6 dxc3 8. fxg7 cxb2+ 9. Kf1 Bc3 10. Bb5+ Nc6 11. Rb1 Qxg5 12. gxh8Q+ Bxh8 13. Ne2 Qe7 14. c3 Qc5 15. Rxb2 Bxc3 16. Qc2 d4 17. Nxc3 dxc3 18. Rb3 Qd5 19. Qxc3 Ke7 20. Qd3 Nd4 21. Bc4 Qe5 22. Rb1 a5 23. a4 Rb8 24. Re1 Qc5 25. Kg1 Bd7 26. Ra1 Rc8 27. Rc1 b5 28. axb5 Bxb5 29. Bxb5 Qxc1+ 30. Qf1 0-1

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.21"]
[Round "2"]
[White "Nassr, Ahmed"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1965"]
[BlackElo "1684"]
[PlyCount "49"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 c5 7. Ne5 Nc6 8. h4 Qb6 9. Na4 Qa5+ 10. c3 Nxe5 11. Bxe5 cxd4 12. exd4 Ne4 13. b4 Qd8 14. Bxg7 Kxg7 15. h5 Bd7 16. Nc5 Nxc3 17. Qd2 Nxe2 18. hxg6 hxg6 19. Qh6+ Kf6 20. Kxe2 Bb5+ 21. Ke3 b6 22. Qf4+ Kg7 23. Qe5+ f6 24. Ne6+ Kg8 25. Qh2 1-0

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.21"]
[Round "3"]
[White "Roos, Lucas"]
[Black "Mahota, Belmiro Mendes"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1684"]
[PlyCount "53"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 g6 6. h3 Bg7 7. Be3 0-0 8. Qd2 e5 9. Nge2 Be6 10. 0-0 Qd7 11. Kh2 a6 12. f4 exf4 13. gxf4 Nh5 14. f5 gxf5 15. Bh6 f6 16. Bf3 Bxh6 17. Qxh6 Ng7 18. Nf4 Rf7 19. Bh5 Rff8 20. Rg1 Ne5 21. Nxe6 Ng6 22. Qxg7+ Qxg7 23. Nxg7 Kxg7 24. exf5 Kh6 25. Bxg6 hxg6 26. Rxg6+ Kh7 27. Nd5 1-0

[Event "Wch U16"]
[Site "Durban"]
[Date "2014.09.20"]
[Round "1"]
[White "Roos, Lucas"]
[Black "Kollars, Dmitrij"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1684"]
[BlackElo "2243"]
[PlyCount "72"]
[EventDate "2014.09.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. Nge2 b5 9. 0-0 Nge7 10. Nd1 0-0 11. Bh6 e5 12. Bxg7 Kxg7 13. Ne3 Nd4 14. c3 Nxe2+ 15. Qxe2 f5 16. f4 Be6 17. Nd5 fxe4 18. dxe4 Bxd5 19. exd5 exf4 20. Rxf4 Rxf4 21. gxf4 Nf5 22. Re1 Rb7 23. Be4 Qf6 24. Qd3 Re7 25. Re2 c4 26. Qd1 Nh4 27. Bh1 Rxe2 28. Qxe2 Qxf4 29. Qe7+ Kh6 30. Bg2 Nxg2 31. Kxg2 Qg5+ 32. Qxg5+ Kxg5 33. Kf3 Kf5 34. Ke3 g5 35. h3 Ke5 36. Kf3 h5 0-1

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.22"]
[Round "5"]
[White "Roos, Lucas"]
[Black "De Souza, Felipe Mazim"]
[Result "0-1"]
[ECO "A22"]
[BlackElo "1730"]
[PlyCount "96"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. d4 exd4 7. Qxd4 c6 8. Nf3 f6 9. Qe4 Kf7 10. Nd4 Nc7 11. Bf4 Bd6 12. Rd1 Bd5 13. Nxd5 cxd5 14. Qf5 Bxf4 15. gxf4 Nc6 16. e4 Qe7 17. Kf1 g6 18. Qh3 Rad8 19. Qb3 Nxd4 20. Rxd4 Qc5 21. Qc3 Qxc3 22. bxc3 dxe4 23. Rxe4 b6 24. Bf3 Rhe8 25. Rc4 Ne6 26. h4 Rc8 27. Rd4 a5 28. f5 gxf5 29. Bh5+ Ke7 30. Bxe8 Kxe8 31. Rh3 Kf7 32. Rf3 f4 33. Re4 Rc6 34. Ke2 Kg6 35. Kd2 Kf5 36. Re1 Nc5 37. Rh3 Ne4+ 38. Kc2 Nxf2 39. Rf3 Ng4 40. a3 h5 41. Kb3 Ne5 42. Rff1 Kg4 43. Rg1+ Kf5 44. Rgf1 f3 45. a4 Kf4 46. Re2 Ng4 47. c4 f2 48. Kc3 Kf3 0-1

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "4"]
[White "Baterdene, Tsogbayar"]
[Black "Roos, Lucas"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1647"]
[PlyCount "150"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 0-0 12. Bg5 Bd7 13. Rc1 Nb4 14. Bb1 Qe8 15. a3 Nc6 16. Ng3 Na5 17. Ne5 Ba4 18. Bc2 Bxc2 19. Rxc2 Bxe5 20. dxe5 Nd7 21. f4 Nc4 22. Qd3 Nc5 23. Qd4 Rc8 24. f5 Qd7 25. f6 g6 26. Rc3 Qb5 27. b4 Nd7 28. Bf4 Qb6 29. Qxb6 axb6 30. Re1 Ra8 31. Ra1 Rfc8 32. Rac1 Rc6 33. Re1 Nxa3 34. Rxc6 bxc6 35. Ne2 c5 36. bxc5 bxc5 37. Nc3 Nc2 38. Rc1 Nb4 39. Rd1 Ra5 40. g3 h6 41. Rb1 g5 42. Bd2 Nxe5 43. Kg2 Kf7 44. Ne2 Ra2 45. Bxb4 Rxe2+ 46. Kf1 Rxh2 47. Bxc5 Rh1+ 48. Bg1 Nf3 49. Rb7+ Kxf6 50. Kg2 Rxg1+ 51. Kxf3 Rc1 52. Rh7 Kg6 53. Re7 Kf6 54. Rh7 Rh1 55. Rc7 h5 56. Kg2 Re1 57. Kf2 Re4 58. Rb7 Ke5 59. Rg7 Rg4 60. Kf3 Kf6 61. Rh7 Kg6 62. Re7 Re4 63. Rd7 h4 64. gxh4 gxh4 65. Rc7 Kf5 66. Rh7 d4 67. Rh5+ Kg6 68. Rh8 Re3+ 69. Kf2 h3 70. Rh4 e5 71. Kg1 d3 72. Kf1 d2 73. Rg4+ Kf5 74. Rf4+ Kxf4 75. Kf2 e4 0-1

[Event "Wch U12"]
[Site "Caldas Novas"]
[Date "2011.11.20"]
[Round "3"]
[White "Roos, Lucas"]
[Black "Malaquias, Bruno Rosa"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "37"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 d6 3. g3 e6 4. Bg2 Nf6 5. Nf3 g6 6. 0-0 Bg7 7. a3 0-0 8. Rb1 b6 9. d4 Nbd7 10. Bf4 cxd4 11. Nxd4 Rb8 12. Nc6 Qc7 13. Nb5 Qb7 14. Ne7+ Kh8 15. Bxb7 Rxb7 16. Nxc8 Rxc8 17. Nxd6 Rbc7 18. Nxf7+ Kg8 19. Bxc7 1-0

[Event "Commonwealth-ch RSA op"]
[Site "Gauteng"]
[Date "2011.06.27"]
[Round "5"]
[White "Stevens, Tristan"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2087"]
[PlyCount "70"]
[EventDate "2011.06.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. b4 Bb6 7. a4 a6 8. 0-0 Nge7 9. Bf4 h6 10. a5 Ba7 11. Qb3 0-0 12. Rd1 Ng6 13. Bg3 d6 14. Bxd3 Bg4 15. Nbd2 Nge5 16. Be2 Qe8 17. Qb1 f5 18. Qa2+ Kh8 19. exf5 Rxf5 20. Re1 Qf8 21. Bxe5 Nxe5 22. Qc2 Bxf3 23. Nxf3 Ng4 24. Rf1 Nxf2 25. Rxf2 g5 26. Raf1 Bxf2+ 27. Rxf2 Qf6 28. Nxg5 Qxg5 29. Qxf5 Qc1+ 30. Rf1 Qe3+ 31. Qf2 Re8 32. Bh5 Re5 33. Qxe3 Rxe3 34. Rf8+ Kg7 35. Rf7+ Kg8 1-0

[Event "Commonwealth-ch RSA op"]
[Site "Gauteng"]
[Date "2011.06.26"]
[Round "2"]
[White "Roos, Lucas"]
[Black "Hoek, Cornelis"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "23"]
[EventDate "2011.06.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. b3 d5 4. Bb2 e5 5. d3 f5 6. Nd2 Nf6 7. e4 fxe4 8. dxe4 d4 9. h4 Bd6 10. Nh3 0-0 11. Qe2 Qe7 12. Ng5 0-1

[Event "Commonwealth-ch RSA op"]
[Site "Gauteng"]
[Date "2011.06.24"]
[Round "7"]
[White "Uzenit, Tapera"]
[Black "Roos, Lucas"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "51"]
[EventDate "2011.06.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5 Nb6 9. Nd6+ Kd8 10. dxc5 N6d7 11. b4 f6 12. Nf3 Rf8 13. Bd3 fxe5 14. fxe5 Nc6 15. 0-0 Nxb4 16. Bxh7 Nc6 17. c4 d4 18. Nxd4 Rxf1+ 19. Kxf1 Ncxe5 20. Kg1 g6 21. Bg8 Nxc5 22. Nf7+ Ke8 23. Nxe5 Qg7 24. Bf7+ Kf8 25. Qe2 Ke7 26. Rf1 1-0

