Modalità Zen
Chess-Online
12345678abcdefgh
1e4f52exf5Nf63g4h64Bg2d55d4e66fxe6Bxe67h3Nc68Ne2Qd79O-OO-O-O10Nf4Bf711c3Bd612b4g513Nd3h514f3hxg415fxg4Ne416Nc5Bxc517bxc5Be618Nd2