Λειτουργία Zεν
Chess-Online
12345678abcdefgh
1d4Nf62c4d63Nc3g64Bg5Bg75e4O-O6Nf3c57Qd2cxd48Nxd4Nc69Nxc6bxc610Bh6Bb711Bxg7Kxg712Bd3e513h4d514cxd5cxd515exd5Bxd516Nxd5Qxd517O-ORfd818Rfd1e419Bxe4Nxe4