private void checkMove5 () {
	if (row != 7 && col != 0 && Othello.board[row+1][col-1] == null) {
	    for (int i=row, j=col; i>=0 && j<8; i--, j++) {
		if (Othello.board[i][j]==player) {
		    list[5] = new Possible(row+1, col-1, i, j); break;
		}
		else if (Othello.board[i][j] == null) break;
	    }
	}
    }