[Event "BRA-ch U12"]
[Site "Caioba"]
[Date "2006.05.??"]
[Round "7"]
[White "Leus, Lucas Resende"]
[Black "Otani, Lucas Tamaki"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "73"]
[EventDate "2006.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. e3 Nf6 4. Nc3 Be7 5. Nf3 0-0 6. Be2 b6 7. 0-0 Bb7 8. b3 Nbd7 9. Bb2 c5 10. h3 Ne8 11. Rc1 Nc7 12. Qd2 Bg5 13. Nxg5 Qxg5 14. Bf3 cxd4 15. Qxd4 e5 16. Qg4 Qxg4 17. Bxg4 f5 18. Be2 Rac8 19. cxd5 Nxd5 20. Bc4 Rc5 21. Nxd5 Bxd5 22. Ba3 Bxc4 23. Bxc5 Nxc5 24. Rxc4 Rd8 25. Rfc1 Rd2 26. R4c2 Rd5 27. Kf1 Kf7 28. Ke2 e4 29. Rd1 Re5 30. Rd8 Re7 31. Rc8 g6 32. b4 Na6 33. a3 Rd7 34. Rd2 Re7 35. Rcd8 Ke6 36. R8d6+ Ke5 37. R2d5# 1-0

[Event "BRA-ch U12"]
[Site "Caioba"]
[Date "2006.05.??"]
[Round "5"]
[White "Marques, Pedro"]
[Black "Otani, Lucas Tamaki"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "54"]
[EventDate "2006.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 0-0 6. d3 h6 7. Be3 Bb6 8. Nd2 d6 9. h3 Be6 10. Bb3 d5 11. Bxb6 axb6 12. f4 exf4 13. Rxf4 Qd6 14. Rf2 Rfd8 15. Qf3 Nd4 16. Qf4 Qxf4 17. Rxf4 dxe4 18. Ndxe4 Nxe4 19. Rxe4 Bxb3 20. cxb3 Nxb3 21. Rd1 Nc5 22. Re3 Ne6 23. a3 c6 24. Rf1 Rd7 25. Rff3 Rad8 26. Nd1 Nd4 27. Rg3 Nf5 0-1

[Event "BRA-ch U12"]
[Site "Caioba"]
[Date "2006.05.??"]
[Round "4"]
[White "Otani, Lucas Tamaki"]
[Black "Da Silva, Lucas Ulisses Tomaz"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "122"]
[EventDate "2006.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Bf5 6. Bf4 a6 7. e3 e6 8. Bd3 Bg6 9. 0-0 Nf6 10. a3 Bd6 11. Bg3 0-0 12. Ne5 Qc7 13. Rc1 Bxe5 14. dxe5 Nh5 15. f4 Nxg3 16. hxg3 Qb6 17. Qd2 Bxd3 18. Qxd3 Qxb2 19. Ne2 Qb6 20. Rb1 Qc7 21. Kf2 Rac8 22. Rh1 g6 23. Rh2 f6 24. exf6 Rxf6 25. Qc3 Rf7 26. Rbh1 Ne5 27. Qxc7 Rcxc7 28. Rh4 Nd3+ 29. Kf3 e5 30. Rf1 e4+ 31. Kg4 Rc2 32. Nd4 Rxg2 33. Kh3 Ra2 34. Rg4 Nf2+ 35. Rxf2 Rxf2 36. Rg5 Rd7 37. f5 Kf7 38. fxg6+ hxg6 39. Re5 Rd6 40. g4 Ra2 41. Kg3 Rxa3 42. Kf4 b5 43. Rg5 b4 44. Ke5 Ke7 45. Nc2 Ra5 46. Nd4 Rc5 47. Nf5+ Kd7 48. Nxd6 d4+ 49. Kf4 Rxg5 50. Kxg5 Kxd6 51. Kxg6 d3 52. Kf5 d2 53. g5 d1Q 54. g6 Qf3+ 55. Kg5 Ke6 56. g7 Ke5 57. Kh6 Kf6 58. g8N+ Kf7 59. Kh7 Qh5+ 60. Nh6+ Kf8 61. Kh8 Qxh6# 0-1

