in task Anna Maria play game unpleasant rival Anna Maria opposite square chessboard 88 Anna upper right corner Maria lower leave Apart board statue each statue occupy exactly square a square contain statue statue Anna MariaAnna present board figurant stand move Maria actively involve game her goal come Annas square Maria statue turn Maria move during Maria adjacent diagonal cell statue stay cell the statue square simultaneously statue row fall board long appearedAt moment statue cell Maria statue declare winner at moment Maria come cell Anna wait Maria declare winnerobviously depend statue depend Maria Determine win Maria strategic error