Aquí una excelente partida contra Richard Teichmann en la que lo derrota con la apertura de los cuatro caballos que suele llevar a tablas.
Cohn,Erich - Teichmann,Richard [C49]
Berlin Cafe Colosseum Berlin (2), 19.11.1909
[Guillermo Muñoz Portugal]
C49: Four Knights: 4 Bb5 Bb4 - Apertura de los Cuatro Caballos con la variante 4.Bb5 bb4 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Ne7 8.Bxf6 gxf6 9.Nh4 c6 10.Bc4 Ng6 [10...d5 11.Bb3 a5 12.a4 Ng6 13.Nxg6 hxg6 14.exd5 Bxc3 15.bxc3 cxd5 16.f4 e4 17.dxe4 dxe4 18.Qd4 Qxd4+ 19.cxd4 Rd8 20.d5 b6 21.Kf2 Ba6 22.c4 Rac8 23.Rfc1 f5 24.Ke3 Kf8 25.Rab1 Saptarshi,R (2399)-Gupta,A (2590)/New Delhi 2011/CBM 140 Extra/0-1 (53); 10...b5 11.Bb3 Bc5 12.Qh5 Kg7 13.Ne2 Ng6 14.Nf5+ Bxf5 15.exf5 Nf4 16.Nxf4 exf4 17.Qg4+ Kh8 18.Qxf4 d5 19.d4 Bd6 20.Qh4 Re8 21.Rae1 Rxe1 22.Rxe1 Kg7 23.Qg4+ Kh8 24.Qh4 Kg7 25.c3 Leonhardt,P-Teichmann,R/Karlsbad 1907/HCL/1/2-1/2 (34)] 11.Nxg6 hxg6 12.d4N [12.f4 Kg7 13.Qf3 Qe7 14.f5 (14.Ne2 Be6 15.Bxe6 Qxe6 16.f5 Qe7 17.g3 Rh8 18.h4 Rad8 19.Kg2 d5 20.Rh1 dxe4 21.Qxe4 Qd6 22.g4 gxf5 23.gxf5 Rdg8 24.Kf3 Bc5 25.Rh3 Bb6 26.Nc3 Qc5 27.Qe2 Kf8 28.Ne4 Qd5 Tarrasch,S-Spielmann,R/Hamburg 1910/HCL/0-1 (32)) 14...Bd7 15.Ne2 Bc5+ 16.Kh1 Rh8 17.c3 d5 18.Bb3 Rh6 19.h3 Rg8 20.Ng3 dxe4 21.dxe4 Rgh8 22.Rfd1 Rh4 23.Rd2 Bc8 24.Rad1 g5 25.Nf1 Rf4 26.Qd3 Bb6 Yates,F-Spielmann,R/Hamburg 1910/HCL/0-1 (31); 12.Bb3 Kg7=] 12...Qe7 13.Ne2 [13.a3 exd4 14.axb4 dxc3 15.bxc3 Qxe4=/+] 13...Kg7 [13...exd4!? 14.Qxd4 Bc5-/+]
14.c3=/+ Ba5 15.Ng3 Bc7 [15...Rh8 16.Qd3=/+] 16.Bb3 Bd7 17.Qd3 Rh8 18.f4? [>=18.a4=] 18...exf4-+ 19.Rxf4 d5 20.Rf3 Bxg3 21.Rxg3 dxe4 22.Re1 [>=22.Qe3-+] 22...Qd6?? [>=22...f5 23.Qe3 Rh4-+] 23.Rxe4=/+ [23.Qxe4? Rae8 24.Qb1 Rxh2-+] 23...Bf5 24.Qc4 Bxe4 25.Qxf7+ Kh6 26.Rh3+ Kg5 27.Rg3+ Kf4?? [>=27...Kh6 28.Rh3+ Kg5 29.Rg3+ Kh6=] 28.Qc4 [>=28.Be6 Bf5 29.Bxf5 Kxf5 30.Qxg6+ Ke6 31.Re3+ Kd7 32.Qg7+ Kc8 33.Qxh8+ Kc7 34.Qxa8+-] 28...Kf5 [>=28...Rxh2! 29.Qe2 Kxg3 30.Qe3+ Kg4 31.Qxe4+ Kh5-+] 29.Qf1++- [29.Qf1+ Qf4 30.Be6+ Kxe6 31.Qxf4+-] 1-0