private int Eval(CellPosition pt, Player player, bool isRec)
{
var result = 0;
var mr = Rows - 1;
var mc = Columns - 1;
if (pt.IsCorner(mr, mc)) { result += 10; }
else if (pt.IsCornerAdjacent(mr, mc)) { result -= 3; }
if (pt.IsBorder(mr, mc)) { result += 5; }
var rpt = GetReversibleCellPositions(pt, player);
result += rpt.Length;
var record = "";
foreach (var r in _record) record += r.ToString();
if (isRec)
{
GoNext(pt);
foreach (var ppt in GetPlaceableCellPositions(_currentPlayer))
{
var ev = Eval(ppt, _currentPlayer, false);
if (ev > 10) result -= (ev - 8);
}
}
Reset(CellPosition.ParseList(record));
return result;
}
