[Event "Alcorcon Diagonal op 2nd"]
[Site "Alcorcon"]
[Date "2023.12.27"]
[Round "3"]
[White "Lavayen Torres, Leonardo"]
[Black "Sierra Pena, Ignacio"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1598"]
[PlyCount "79"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Qe7 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 d5 10. Bb3 0-0 11. 0-0 Nh5 12. Bxd5 Nf4 13. Bb3 Qb4 14. a3 Qb6 15. Nc4 Qb5 16. d5 Qxd5 17. Qc2 Bg4 18. Ne3 Qd7 19. Rad1 Qc8 20. Ng5 g6 21. f3 Bf5 22. Nxf5 Qxf5 23. Qxf5 gxf5 24. e6 fxe6 25. Nxe6 Nxe6 26. Bxe6+ Kh8 27. Rd7 Rac8 28. Re1 Rfe8 29. Kf2 Re7 30. Rxe7 Nxe7 31. Bxc8 Nxc8 32. Re8+ Kg7 33. Rxc8 Kg6 34. Rxc7 h5 35. Rxb7 f4 36. Rxa7 Kg5 37. Ra5+ Kh4 38. g3+ fxg3+ 39. hxg3+ Kh3 40. Rxh5# 1-0

[Event "Alcorcon Diagonal op 2nd"]
[Site "Alcorcon"]
[Date "2023.12.26"]
[Round "1"]
[White "Sierra Pena, Ignacio"]
[Black "Anton Ortiz, Carlos"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1584"]
[PlyCount "38"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CB01_2024"]
[SourceDate "2024.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.03"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Nc3 Nc6 4. Bg2 g6 5. e4 Nd4 6. Nge2 Bg4 7. h3 Bf3 8. 0-0 Qd7 9. d3 Ne7 10. Be3 Nec6 11. Qd2 h5 12. Rfe1 h4 13. a3 hxg3 14. fxg3 Bxg2 15. Kxg2 Qxh3+ 16. Kf2 Qh2+ 17. Kf1 Nf3 18. Qc2 Qh1+ 19. Kf2 Rh2# 0-1

[Event "ESP-ch U14 Rapid"]
[Site "Salobrena"]
[Date "2022.07.23"]
[Round "2"]
[White "Sierra Pena, Ignacio"]
[Black "Oubina Pazos, Cesar"]
[Result "0-1"]
[ECO "A21"]
[BlackElo "1483"]
[PlyCount "46"]
[EventDate "2022.07.23"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 0-0 7. 0-0 e5 8. d4 c6 9. a3 e4 10. b4 d5 11. cxd5 cxd5 12. f3 Be6 13. fxe4 fxe4 14. Rb1 Qd7 15. Qa4 Nc6 16. b5 Ne7 17. Nf4 Bf7 18. Bh3 Nf5 19. Rd1 g5 20. Bxf5 Qxf5 21. Nfe2 Qh3 22. Rb3 Ng4 23. b6 Qxh2+ 0-1

