Modalità Zen
Chess-Online
12345678abcdefgh
1Nf3d52g3Nf63Bg2c64b3Nbd75Bb2g66d4Bg77c4O-O8cxd5Nxd59O-ON7f610Nc3b511Rc1Bb712Ne5Nxc313Rxc3Nd514Nxc6