[Event "COL-ch sf3 U16"]
[Site "Moniquira"]
[Date "2019.05.26"]
[Round "6.17"]
[White "Rodriguez Rozo, Edwin Giovanny"]
[Black "Yassin Sierra, David Arturo"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1256"]
[PlyCount "15"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Nf3 a6 4. Nxe5 f6 5. Qh5+ Ke7 6. Qf7+ Kd6 7. Nc4+ Kc6 8. Qd5# 1-0

[Event "COL-ch sf3 U16"]
[Site "Moniquira"]
[Date "2019.05.25"]
[Round "4.15"]
[White "Pedraza Aldana, Alexandra"]
[Black "Yassin Sierra, David Arturo"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1563"]
[PlyCount "33"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Bb4+ 4. c3 Ba5 5. b4 Bb6 6. d5 Nce7 7. Nxe5 a6 8. Qf3 f6 9. Nc4 Ba7 10. d6 Ng6 11. Bf4 Nxf4 12. Qxf4 g5 13. Qg4 h5 14. Qf5 Nh6 15. Qg6+ Nf7 16. Be2 Rh6 17. Qg8# 1-0

[Event "COL-ch sf3 U16"]
[Site "Moniquira"]
[Date "2019.05.25"]
[Round "5.15"]
[White "Yassin Sierra, David Arturo"]
[Black "Campos Perilla, Sergio Felipe"]
[Result "0-1"]
[ECO "A70"]
[BlackElo "1311"]
[PlyCount "30"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. h3 e6 3. Bf4 Ne4 4. e3 f5 5. a3 d6 6. Bc4 d5 7. Ba2 Nd7 8. Nf3 Bd6 9. Bh2 0-0 10. 0-0 b6 11. c3 Bxh2+ 12. Nxh2 Ba6 13. Re1 Qh4 14. Qc2 Bd3 15. Qd2 Nxd2 0-1

[Event "COL-ch sf3 U16"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "2.8"]
[White "Tobar Beltran, Carlos Andres"]
[Black "Yassin Sierra, David Arturo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1653"]
[PlyCount "23"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 h6 4. c4 e6 5. Nc3 Bb4 6. a3 Bf8 7. e3 Nf6 8. cxd5 exd5 9. Bb5 a6 10. Bxc6+ Bd7 11. Bxd7+ Qxd7 12. Ne5 1-0

[Event "COL-ch sf3 U16"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "3.13"]
[White "Yassin Sierra, David Arturo"]
[Black "Cortes Sarmiento, Alan"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1317"]
[PlyCount "28"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. h3 g6 4. Bf4 Bg7 5. e3 0-0 6. Bc4 c6 7. a3 Qb6 8. Qc1 Nbd7 9. 0-0 c5 10. Nc3 cxd4 11. Na4 Qa5 12. Bb3 b5 13. Qe1 Qxe1 14. Rfxe1 bxa4 0-1

