public int calculatePoints(int player, int row, int col) {
int pointsScored = 0, squares = 3,
ri = row, rk = row, ci = col, ck = col;
for (int i = 0, k = 2; i < squares; i++, k--) {
// horizontal
if (getStone(row, ci-2) == player && getStone(row, ck-1) == player)
pointsScored++;
// vertical
if (getStone(ri-2, col) == player && getStone(rk-1, col) == player)
pointsScored++;
// diagonal l>r
if (getStone(ri-2, ci-2) == player && getStone(rk-1, ck-1) == player)
pointsScored++;
// diagonal r>l
if (getStone(ri+2, ci-2) == player && getStone(rk-1, ck-1) == player)
pointsScored++;
ri += i; rk += k; ci += i; ck += k;
}
return pointsScored;
}