[Event "SUI op"]
[Site "Switzerland"]
[Date "1994.??.??"]
[Round "?"]
[White "Daverio, Edoardo"]
[Black "Maerki, Didier"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "56"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. Nbd2 d6 8. Nb3 Bb6 9. Nbd4 Qf6 10. 0-0 Nxf3+ 11. Nxf3 Bf5 12. a3 a5 13. Ra2 a4 14. Bd2 0-0 15. Bc3 Qe7 16. Nd4 Be4 17. Bd3 Ba5 18. Nb5 Bb6 19. Qe2 Rfe8 20. Rd1 Qg5 21. Bxe4 Rxe4 22. Rd5 Qe7 23. Rh5 Qe6 24. Ra1 Qxc4 25. Qxc4 Rxc4 26. Rd1 Re4 27. Nd4 Nxd4 28. Bxd4 Bxd4 1-0

[Event "Le Mans U20"]
[Site "Le Mans"]
[Date "1969.04.03"]
[Round "7"]
[White "Seret, Jean Luc"]
[Black "Maerki, Didier"]
[Result "1/2-1/2"]
[ECO "C28"]
[PlyCount "50"]
[EventDate "1969.03.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 d6 3. Bc4 Nf6 4. d3 Nc6 5. Nge2 Na5 6. 0-0 Nxc4 7. dxc4 Be6 8. b3 Nd7 9. Bb2 Be7 10. f4 Bg4 11. h3 Bxe2 12. Qxe2 0-0 13. f5 g5 14. Nd5 c6 15. Ne3 Nf6 16. Ng4 Nxg4 17. Qxg4 Kh8 18. Rad1 f6 19. Rd3 Qe8 20. Rfd1 c5 21. Qe2 h5 22. c3 Rd8 23. R1d2 Kg7 24. Qd1 Rh8 25. b4 b6 1/2-1/2

