[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2018.04.29"]
[Round "3"]
[White "Kim, Thiago"]
[Black "Paiva, Arthur Wainstein"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1435"]
[BlackElo "1749"]
[PlyCount "49"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Nc3 d6 7. h3 Bd7 8. Bg5 a6 9. Ba4 Nd4 10. Bxd7 Qxd7 11. Bxf6 gxf6 12. Nd5 Qe6 13. c3 Nb5 14. Nh4 c6 15. Nf5 Kh8 16. Nde7 d5 17. Qg4 Rg8 18. Nxg8 Rxg8 19. Qe2 Nd6 20. Nxd6 Bxd6 21. Qf3 d4 22. c4 Bf8 23. Qf5 Qxf5 24. exf5 Rg5 25. g4 1-0

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2018.04.28"]
[Round "1"]
[White "Paiva, Arthur Wainstein"]
[Black "Rocha, Anderson Rosendo"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1749"]
[BlackElo "1522"]
[PlyCount "58"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Bg5 Be7 9. Re1 Nxe4 10. Bxe4 Bxe4 11. Rxe4 Bxg5 12. Nxg5 Qxg5 13. c4 Nf6 14. Re5 Qg6 15. Qb3 Rb8 16. Qa4+ Nd7 17. Ree1 c6 18. Qxa7 0-0 19. Re3 Qf6 20. Rd1 Qd8 21. a4 Qc7 22. Rb3 c5 23. Rb5 Rfd8 24. a5 cxd4 25. Rxd4 Nc5 26. Rxd8+ Rxd8 27. g3 Qc6 28. h3 Rd1+ 29. Kh2 Qh1# 0-1

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2018.04.28"]
[Round "2"]
[White "Stipp, Matheus Borges"]
[Black "Paiva, Arthur Wainstein"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1749"]
[PlyCount "100"]
[EventDate "2018.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e3 Nc6 2. g3 e5 3. e4 Nf6 4. Nc3 Be7 5. Nf3 d6 6. Bg2 0-0 7. 0-0 Bg4 8. d3 Nd4 9. Ne2 c5 10. c3 Nxe2+ 11. Qxe2 Rc8 12. h3 Bh5 13. Qe3 d5 14. Nxe5 d4 15. cxd4 Qxd4 16. Qxd4 cxd4 17. g4 Bg6 18. g5 Nh5 19. a3 Rc5 20. Nd7 Rxc1 21. Nxf8 Rxa1 22. Rxa1 Kxf8 23. Rc1 Bxg5 24. Rc8+ Ke7 25. Rc7+ Ke6 26. Rxb7 Bc1 27. Bf3 Nf4 28. Kf1 Nxd3 29. Ke2 Nf4+ 30. Kd1 Bxb2 31. Rxb2 Nd3 32. Rd2 Nf4 33. Rxd4 Nxh3 34. Bg4+ Ke5 35. Rd7 Nxf2+ 36. Ke2 Nxg4 37. Kf3 Nf6 38. Rxa7 Bxe4+ 39. Ke3 Nd5+ 40. Kd2 h5 41. Ra8 Nc3 42. Rh8 Nd5 43. Rxh5+ Kf4 44. a4 g5 45. Ke2 Bf3+ 46. Kf2 Bxh5 47. a5 Nb4 48. Kg2 Be2 49. Kf2 Bb5 50. Kg2 Nd5 0-1

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2017.10.29"]
[Round "6"]
[White "Garcia Otavio, Landerdahl"]
[Black "Paiva, Arthur Wainstein"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "83"]
[EventDate "2017.10.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bg4 4. Nbd2 Nc6 5. Be2 e6 6. 0-0 Bd6 7. h3 Bh5 8. c4 Ne4 9. Nxe4 dxe4 10. Nd2 Bxe2 11. Qxe2 0-0 12. Nxe4 Qh4 13. Nxd6 cxd6 14. Rd1 Rac8 15. c5 d5 16. Bd2 Qe4 17. f3 Qg6 18. b4 a6 19. a4 Rb8 20. Rab1 b5 21. axb5 axb5 22. Ra1 Ra8 23. Bc3 Rxa1 24. Rxa1 Re8 25. Qxb5 h6 26. Qxc6 Rd8 27. Ra8 Rxa8 28. Qxa8+ Kh7 29. c6 f5 30. c7 Qf7 31. c8R Qf6 32. b5 Kg6 33. b6 Kh5 34. b7 Qg5 35. f4 Qg3 36. b8Q Qxe3+ 37. Kh1 Qf2 38. Qd6 Kh4 39. Qe7+ Kg3 40. Qxg7+ Kh4 41. Qxh6+ Kg3 42. Rg8# 1-0

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2017.10.29"]
[Round "5"]
[White "Piras, Lorenzo"]
[Black "Paiva, Arthur Wainstein"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "93"]
[EventDate "2017.10.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Nc6 4. Nf3 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 Bb4 8. 0-0 0-0 9. a3 Bd6 10. Bxd6 Qxd6 11. Nb5 Qd7 12. Nc3 Rfe8 13. Rfe1 a6 14. h3 Qd6 15. Rad1 Ne7 16. Ne5 b5 17. Rb1 Nc6 18. f4 Ne7 19. Red1 c5 20. dxc5 Qxc5 21. b4 Qc7 22. Ra1 Rec8 23. Ne2 Qxc2 24. Qxc2 Rxc2 25. Nd4 Rc3 26. Re1 Nf5 27. Kf2 Nxd4 28. exd4 Ne4+ 29. Kg1 Rac8 30. Rf1 f6 31. Nf3 Rc2 32. Rad1 R8c3 33. Ra1 Nd2 34. Nxd2 Rxd2 35. Rf2 Rxf2 36. Kxf2 g5 37. fxg5 fxg5 38. a4 Rc4 39. axb5 axb5 40. Kf3 Rxb4 41. Ra7 Rxd4 42. g3 Ra4 43. Rb7 b4 44. Kg4 b3+ 45. Kxg5 d4 46. Kf6 d3 47. Rb8# 1-0

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2017.10.28"]
[Round "3"]
[White "Leacima, Giovane Santiago"]
[Black "Paiva, Arthur Wainstein"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1864"]
[PlyCount "33"]
[EventDate "2017.10.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Bxc6 bxc6 6. d3 d6 7. Nbd2 d5 8. Nxe5 dxe4 9. dxe4 Bd7 10. Nb3 Nxe4 11. Qf3 f6 12. Qh5+ g6 13. Nxg6 hxg6 14. Qxh8+ Ke7 15. Qg7+ Ke8 16. Nxc5 Nxc5 17. Re1+ 1-0

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2017.10.28"]
[Round "4"]
[White "Paiva, Arthur Wainstein"]
[Black "Da Veiga, Pedro Miguel Back"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1467"]
[PlyCount "74"]
[EventDate "2017.10.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 h6 6. 0-0 d6 7. h3 0-0 8. Bd2 Na5 9. b4 Nxc4 10. bxc5 Nxd2 11. Qxd2 dxc5 12. Nxe5 Re8 13. Qf4 Qd6 14. Nb5 Qxe5 15. Qxe5 Rxe5 16. Nxc7 Rb8 17. Rab1 Be6 18. Nxe6 Rxe6 19. Rb5 b6 20. f4 a6 21. Rbb1 Nd7 22. f5 Rc6 23. Rfd1 Ne5 24. d4 cxd4 25. Rxd4 Rxc2 26. Rd5 f6 27. a4 Nc4 28. Rbd1 Ne3 29. R5d3 Rxg2+ 30. Kh1 Re2 31. a5 b5 32. Rc1 b4 33. Rc7 Rc2 34. Rxc2 Nxc2 35. Kg1 b3 36. Rd1 b2 37. Rb1 Na3 0-1

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2017.10.27"]
[Round "2"]
[White "Paiva, Arthur Wainstein"]
[Black "Souza Junior, Vanderval Borges D"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1966"]
[PlyCount "48"]
[EventDate "2017.10.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. h3 Ne7 10. 0-0 Ng6 11. Qd2 c6 12. Ne3 Qf6 13. c3 Bxh3 14. gxh3 Qxf3 15. d4 Bb6 16. dxe5 dxe5 17. Nf5 0-0 18. Qd7 Nf4 19. Nh4 Qg3+ 20. Kh1 Qxh4 21. Qg4 Qxh3+ 22. Qxh3 Nxh3 23. Rad1 Nxf2+ 24. Rxf2 Bxf2 0-1

