Modalità Zen
Chess-Online
12345678abcdefgh
1e4c52a4Nf63Nc3Nc64Bc4e65d3d56exd5exd57Ba2Be78Nf3O-O9O-OBg410h3Bh511Bg5Nd412Bxf6Nxf3+13gxf3Bxf614Nxd5Be515Qd2Bxf316Qe3Bxd517Qxe5Bf318Qe3