[Event "Schaffhausen op"]
[Site "Schaffhausen"]
[Date "2023.01.02"]
[Round "1"]
[White "Klein, Frank"]
[Black "Federer, Patrick"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1938"]
[BlackElo "1476"]
[PlyCount "64"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 g6 3. e4 d6 4. g3 Nc6 5. Bg2 Bg7 6. 0-0 0-0 7. Nbd2 Bg4 8. h3 Be6 9. Qe2 Qc8 10. Kh2 Nb4 11. Nb3 c5 12. c3 Nxa2 13. Rxa2 Bxb3 14. Ra1 Be6 15. Ng5 Bd7 16. f4 Bc6 17. g4 Nd7 18. Bd2 b5 19. Qf2 a5 20. Qh4 h6 21. Nf3 f6 22. Qf2 b4 23. Nh4 Kh7 24. f5 g5 25. Ng6 Re8 26. d4 cxd4 27. cxd4 Qb8 28. Kh1 Nf8 29. Nxf8+ Bxf8 30. Rfe1 Rc8 31. Rac1 Bb7 32. Re3 Rc7 1/2-1/2

[Event "Davos op 20th"]
[Site "Davos"]
[Date "2021.06.12"]
[Round "2"]
[White "Tahedl, Milo"]
[Black "Federer, Patrick"]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "1421"]
[PlyCount "53"]
[EventDate "2021.06.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. e5 Ne8 10. exd6 Nd7 11. dxe6 fxe6 12. Qd2 Qf6 13. Nf3 g5 14. g4 b6 15. h4 gxh4 16. g5 hxg5 17. Bxg5 Qf7 18. Rxh4 Qf5 19. 0-0-0 Bb7 20. Rf4 Qh3 21. Rxf8+ Kxf8 22. Be7+ Kg8 23. Ng5 Qf5 24. Bd3 Qg4 25. Qc2 Nef6 26. Bh7+ Kh8 27. Nf7# 1-0

