Alice and the Chessboard - Toph.co - Brute Force | Python

# Python 3.7
#   1 2 3 4 5 6 7 8
# 1 . o . . . . . .
# 2 . . o . . . . .
# 3 . . . o . . . o
# 4 . . . . o . o .
# 5 . . . . . X . . X -> bishop position
# 6 . . . . o . o . o -> available positions
# 7 . . . o . . . o
# 8 . . o . . . . .

T = int(input())
for t in range(T):
    iRow, iCol, fRow, fCol = map(int, input().split())
    if abs(iRow-fRow) == abs(iCol-fCol):
        print('Yes')
    else:
        print('No')