
[Event "98th ch-ARG Semi-Final"]
[Site "Buenos Aires ARG"]
[Date "2023.05.05"]
[Round "7.49"]
[White "Rojas, Patricio Santiago"]
[Black "Koch, Ju"]
[Result "0-1"]
[WhiteElo "1649"]
[BlackElo "1962"]
[ECO "D00"]
[PlyCount "49"]
1.d4 d5 2.Bf4 c5 3.e3 cxd4 4.exd4 Nc6 5.c3 f6 6.Bd3 e5 7.Qh5+ g6 8.Bxg6+ hxg6 9.Qxh8 exf4 10.Qxg8 Bf5 11.Qh7 Qb6 12.Nf3 Qxb2 13.O-O Qxa1 14.Qxb7 Rc8 15.Re1+ Be7 16.Nh4 Kd8 17.Nxf5 gxf5 18.Qb3 Rb8 19.Qxd5+ Kc7 20.Qxf5 Qxa2 21.Qxf4+ Bd6 22.Qc1 Bxh2+ 23.Kxh2 Qxf2 24.Re3 Rg8 25.Kh1 0-1
[Site "Buenos Aires ARG"]
[Date "2023.05.05"]
[Round "7.49"]
[White "Rojas, Patricio Santiago"]
[Black "Koch, Ju"]
[Result "0-1"]
[WhiteElo "1649"]
[BlackElo "1962"]
[ECO "D00"]
[PlyCount "49"]
1.d4 d5 2.Bf4 c5 3.e3 cxd4 4.exd4 Nc6 5.c3 f6 6.Bd3 e5 7.Qh5+ g6 8.Bxg6+ hxg6 9.Qxh8 exf4 10.Qxg8 Bf5 11.Qh7 Qb6 12.Nf3 Qxb2 13.O-O Qxa1 14.Qxb7 Rc8 15.Re1+ Be7 16.Nh4 Kd8 17.Nxf5 gxf5 18.Qb3 Rb8 19.Qxd5+ Kc7 20.Qxf5 Qxa2 21.Qxf4+ Bd6 22.Qc1 Bxh2+ 23.Kxh2 Qxf2 24.Re3 Rg8 25.Kh1 0-1
[Event "98th ch-ARG Semi-Final"]
[Site "Buenos Aires ARG"]
[Date "2023.05.05"]
[Round "7.49"]
[White "Rojas, Patricio Santiago"]
[Black "Koch, Ju"]
[Result "0-1"]
[WhiteElo "1649"]
[BlackElo "1962"]
[ECO "D00"]
[Opening "Queen's pawn, Mason variation, Steinitz counter-gambit"]
[EventDate "2023.04.29"]
[WhiteFideId "161039"]
[BlackFideId "112143"]
1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 f6 6. Bd3 e5 7. Qh5+ g6 8.
Bxg6+ hxg6 9. Qxh8 exf4 10. Qxg8 Bf5 11. Qh7 Qb6 12. Nf3 Qxb2 13. O-O Qxa1
14. Qxb7 Rc8 15. Re1+ Be7 16. Nh4 Kd8 17. Nxf5 gxf5 18. Qb3 Rb8 19. Qxd5+
Kc7 20. Qxf5 Qxa2 21. Qxf4+ Bd6 22. Qc1 Bxh2+ 23. Kxh2 Qxf2 24. Re3 Rg8 25.
Kh1 0-1