[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.14"]
[Round "9"]
[White "Del Sur, Juan"]
[Black "Costa, Felipe"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "49"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 Nf6 3. d3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. Bg5 b5 7. Bb3 d5 8. exd5 Nxd5 9. c4 Bxb2 10. Nbd2 Nc3 11. Qc2 Bxa1 12. Rxa1 Ne2+ 13. Kf1 Nd4 14. Qb2 c5 15. Bh6 Re8 16. cxb5 a6 17. bxa6 Bxa6 18. Nc4 Nbc6 19. Ba4 Nb4 20. Bxe8 Nxd3 21. Qc3 Nb4 22. a3 Nbc2 23. Ra2 Qxe8 24. Rxc2 Nxc2 25. Qg7# 1-0

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.13"]
[Round "8"]
[White "Marziotte, Santiago"]
[Black "Costa, Felipe"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "61"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. Nc3 Nf6 4. Bf4 d5 5. e3 c6 6. Bd3 Be7 7. 0-0 0-0 8. Ne5 Qe8 9. f3 Bd6 10. e4 Nbd7 11. Nxd7 Bxf4 12. Nxf8 Qxf8 13. e5 Be3+ 14. Kh1 Bxd4 15. exf6 Qxf6 16. Ne2 Be5 17. f4 Bd6 18. c3 e5 19. g3 Qe6 20. b3 d4 21. cxd4 Qd5+ 22. Kg1 exd4 23. Bc4 Bc5 24. Bxd5+ cxd5 25. Nxd4 Be6 26. Re1 Re8 27. Kh1 Kf7 28. Nxe6 Rxe6 29. Rxe6 Kxe6 30. Qh5 g6 31. Qxh7 1-0

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.12"]
[Round "7"]
[White "Costa, Felipe"]
[Black "La Rosa Barreto, Carlos Said Rafael"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "72"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 d6 2. e3 e5 3. Qe2 exf4 4. exf4+ Qe7 5. Nf3 Nf6 6. d3 Qxe2+ 7. Bxe2 Nc6 8. 0-0 Be7 9. d4 Bf5 10. d5 Nxd5 11. Bc4 Ndb4 12. Na3 Nxc2 13. Nxc2 Bxc2 14. Re1 Bf5 15. Ng5 0-0 16. Bxf7+ Rxf7 17. Nxf7 Kxf7 18. Bd2 Bf6 19. Re2 Nd4 20. Rf2 Nc2 21. Rc1 Bd4 22. h3 Bxf2+ 23. Kxf2 Re8 24. g4 Bd3 25. Kf3 Re7 26. g5 Be4+ 27. Kg3 Bf5 28. h4 g6 29. Rf1 Re2 30. Bc3 Ne3 31. Rg1 Nd5 32. Bd4 c5 33. Bf2 Rxb2 34. h5 gxh5 35. Kh4 Rxf2 36. Kxh5 Rh2# 0-1

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.11"]
[Round "6"]
[White "Costa, Felipe"]
[Black "Vicuna, Gabriel"]
[Result "1-0"]
[ECO "A02"]
[PlyCount "20"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 f5 2. e3 d6 3. Nf3 Nc6 4. Be2 b6 5. 0-0 h5 6. d4 Bb7 7. c3 Qd7 8. Ng5 0-0-0 9. Bxh5 Nf6 10. Nf7 Rh7 1-0

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.10"]
[Round "4"]
[White "Ferreira, Damian"]
[Black "Costa, Felipe"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "20"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. Bxf6 d5 4. Bg5 h6 5. Bf4 e6 6. e3 c6 7. Bxb8 Rxb8 8. Be2 g6 9. Nf3 Be7 10. Ne5 Bd6 1-0

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.09"]
[Round "2"]
[White "Costa, Felipe"]
[Black "Rivas, Tomas"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "77"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. 0-0 d6 6. Nc3 0-0 7. d3 a6 8. Bg5 h6 9. Bh4 Rb8 10. a4 Bb4 11. Nd5 g5 12. Nxg5 Nxd5 13. Ne6 Qe8 14. Bxd5 fxe6 15. Bg2 Qd7 16. Qc1 Nd4 17. Qxh6 c6 18. Bf6 Qh7 19. Qg5+ Kf7 20. Be4 Rg8 21. Bg6+ Qxg6 22. Qh4 Qxf6 23. Qh7+ Rg7 24. Qh5+ Qg6 25. Qh4 Rh7 26. Qd8 Bd2 27. Qc7+ Kg8 28. Qxb8 Qe8 29. Rfb1 a5 30. f4 exf4 31. gxf4 Nxe2+ 32. Kf1 Nxf4 33. Qxd6 Rf7 34. Qe5 Nxd3+ 35. Ke2 Nxe5 36. Kxd2 Rf2+ 37. Kc3 Nxc4 38. Kb3 b5 39. h4 0-1

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.09"]
[Round "3"]
[White "Gonzalez Delgadillo, Raul"]
[Black "Costa, Felipe"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "85"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 e6 3. Nf3 Nf6 4. e3 Be7 5. Be2 0-0 6. 0-0 d5 7. Nbd2 Nbd7 8. c4 c6 9. cxd5 cxd5 10. Rc1 Nh5 11. Bc7 Qe8 12. Bf4 Bf6 13. Nb3 e5 14. dxe5 Bxe5 15. Bxe5 Nxe5 16. Nxe5 Qxe5 17. Bxh5 g6 18. Qd4 Qd6 19. Bf3 Be6 20. Qc5 Qd7 21. Qc7 Qe8 22. Nc5 Rc8 23. Qf4 Qe7 24. Nxe6 Qxe6 25. Rxc8 Rxc8 26. Qd4 Rd8 27. Qxa7 Rd7 28. Qb8+ Kg7 29. Rc1 Qf7 30. Qe5+ Qf6 31. Qxf6+ Kxf6 32. Rd1 Rc7 33. Rxd5 h5 34. g3 Ke6 35. h4 b5 36. Rxb5 Rc1+ 37. Kg2 Kf6 38. Rb6+ Kg7 39. Rc6 Rb1 40. Rc7+ Kh6 41. Rb7 Rc1 42. a4 Rc5 43. Rb5 1-0

[Event "South America-ch U12 11th"]
[Site "Montevideo"]
[Date "2014.09.08"]
[Round "1"]
[White "Landa Medrano, Gabriel Aaron"]
[Black "Costa, Felipe"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1733"]
[PlyCount "59"]
[EventDate "2014.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. dxe5 Bxe5 7. Nxe5 dxe5 8. Qxd8+ Kxd8 9. Nc3 c6 10. 0-0-0+ Bd7 11. Bc4 Ke7 12. Rd2 Rf8 13. Rhd1 f6 14. Bb3 a6 15. Na4 b5 16. Nb6 Ra7 17. a4 Rd8 18. a5 Rb7 19. c4 g6 20. c5 f5 21. exf5 gxf5 22. Re1 e4 23. f3 Be6 24. Rxd8 Kxd8 25. Bxe6 b4 26. Bxf5 b3 27. Rxe4 h5 28. Bg6 h4 29. Re8+ Kc7 30. Rc8# 1-0

