[Event "Pan American-ch U18"]
[Site "San Jose"]
[Date "2017.07.03"]
[Round "5"]
[White "Diaz Calderon, Jahir"]
[Black "Wagemans Alvarado, Bryan"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1174"]
[BlackElo "1591"]
[PlyCount "58"]
[EventDate "2017.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. f3 c5 7. e4 d6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Bg5 Nc6 11. f4 e5 12. Bxf6 gxf6 13. f5 b6 14. Be2 Ba6 15. Nf3 Na5 16. 0-0 Bxc4 17. Bxc4 Nxc4 18. a4 Rd3 19. Rac1 Rad8 20. Ne1 Re3 21. Rf3 Rxe4 22. Rd3 Rxe1+ 23. Rxe1 Rxd3 24. Re4 Rxc3 25. g3 Ne3 26. Kf2 Nxf5 27. g4 Nd4 28. h4 Rc2+ 29. Kg1 Re2 0-1

[Event "Pan American-ch U18"]
[Site "San Jose"]
[Date "2017.07.02"]
[Round "2"]
[White "Diaz Calderon, Jahir"]
[Black "Miliam Escobar, David Isaac"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1174"]
[BlackElo "1796"]
[PlyCount "56"]
[EventDate "2017.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 a6 6. Bg5 Be7 7. h4 h6 8. Bxe7 Qxe7 9. Qd3 c5 10. 0-0-0 Nc6 11. Ne2 cxd4 12. Nfxd4 Ndxe5 13. Nxc6 Nxd3+ 14. Rxd3 bxc6 15. Nd4 c5 16. Nc6 Qc7 17. Rg3 0-0 18. Ra3 Qxc6 19. c4 d4 20. Rhh3 e5 21. Rhg3 Bf5 22. Bd3 Bxd3 23. Raxd3 e4 24. Ra3 Qf6 25. Rg4 Qxf2 26. Rag3 Qe1+ 27. Kc2 d3+ 28. Kb3 Qb4# 0-1

[Event "Pan American-ch U18"]
[Site "San Jose"]
[Date "2017.07.01"]
[Round "1"]
[White "Miyasaka, Matthew Shoji"]
[Black "Diaz Calderon, Jahir"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2040"]
[BlackElo "1174"]
[PlyCount "53"]
[EventDate "2017.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 c6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Be6 8. Be3 Nbd7 9. 0-0-0 Kc7 10. Nxd7 Bxd7 11. Bf4+ Kc8 12. Bc4 Be6 13. Bxe6+ fxe6 14. f3 h6 15. Ne2 g5 16. Be5 Bg7 17. Rd6 Re8 18. Rhd1 c5 19. b4 b6 20. Rc6+ Kb7 21. Rc7+ Ka6 22. Rxg7 Nh5 23. Rgd7 cxb4 24. R1d4 Ka5 25. a3 bxa3 26. Nc3 Rac8 27. Ra4# 1-0

