[Event "Berlin Casual Games"]
[Site "Berlin"]
[Date "1854.??.??"]
[Round "?"]
[White "Kossak, Ernst"]
[Black "Gruenbaum"]
[Result "1-0"]
[ECO "C38"]
[PlyCount "47"]
[EventDate "1854.??.??"]
[EventType "game"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 d6 6. c3 Nh6 7. 0-0 0-0 8. Qd3 Kh8 9. Na3 c6 10. Bb3 Bd7 11. h4 f5 12. hxg5 fxe4 13. Qxe4 Bf5 14. Qxf4 Bd3 15. gxh6 Rxf4 16. hxg7+ Kxg7 17. Bxf4 Bxf1 18. Rxf1 Na6 19. Nc4 Qd7 20. Nxd6 Rf8 21. Be5+ Kh6 22. Kf2 Kh5 23. Rh1+ Kg4 24. Rh4# 1-0

[Event "Fruehjahrsturnier Berliner SG"]
[Site "Berlin"]
[Date "1853.??.??"]
[Round "?"]
[White "Kossak, Ernst"]
[Black "Mayet, Carl"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "67"]
[EventDate "1853.02.??"]
[EventType "tourn"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. h3 Nf6 6. d3 0-0 7. 0-0 Be6 8. Nbd2 Qd7 9. b4 Bb6 10. Bb2 g6 11. Bxe6 Qxe6 12. d4 exd4 13. b5 dxc3 14. Bxc3 Ne5 15. Nd4 Qe7 16. f4 Ned7 17. Qf3 a6 18. Kh1 axb5 19. Nxb5 Ne8 20. e5 d5 21. a4 c6 22. a5 Bc5 23. Nd4 Nc7 24. N4b3 Ba7 25. f5 Nb5 26. f6 Qe6 27. Qf4 Kh8 28. Qh6 Rg8 29. Nf3 Nf8 30. Ng5 Qd7 31. Rf4 Be3 32. Bb4 c5 33. Bxc5 Bxc5 34. Rh4 1-0

[Event "Berlin"]
[Site "Berlin"]
[Date "1851.??.??"]
[Round "?"]
[White "Kossak, Ernst"]
[Black "Dufresne, Jean"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "37"]
[EventDate "1851.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. 0-0 Nf6 7. d4 0-0 8. dxe5 Nxe4 9. Bd5 Nxc3 10. Nxc3 Bxc3 11. Ng5 Nxe5 12. Qh5 h6 13. f4 Bxa1 14. fxe5 Qe7 15. Nxf7 Qc5+ 16. Kh1 Qxd5 17. Nxh6+ Kh8 18. Nf5+ Kg8 19. Ne7# 1-0

