[Event "Karlsbad IT 2nd"]
[Round "21"]
[Site "Karlsbad"]
[Date "1911.09.18"]
[White "Cohn, Erich"]
[Black "Perlis, Julius"]
[Result "1/2-1/2"]
[ECO "C49"]
[Opening "Four Knights Game, Double Ruy Lopez"]
 1. e4   e5
 2. Nf3  Nc6
 3. Nc3  Nf6
 4. Bb5  Bb4
 5. O-O  O-O
 6. d3   Nd4
 7. Bc4  c6
 8. Bg5  h6
 9. Bh4  g5
10. Bg3  Nxf3+
11. Qxf3 d5
12. exd5 Bg4
13. Qe3  cxd5
14. Nxd5 Nxd5
15. Qe4  Nf4
16. Bxf4 exf4
17. Qg6+ Kh8
18. Qxh6+ Kg8
19. Qg6+ Kh8
20. Qh6+ Kg8
1/2-1/2