Λειτουργία Zεν
Chess-Online
12345678abcdefgh
1d4f52c4e63e3d54cxd5exd55Nc3c66Nf3Nf67Bd3Bd68Qc2Ne49Bd2O-O10O-O-ONxf211h4Nxd112Qxd1b513Ng5a5