Regardless of where one white and one black square are deleted from an ordinary chessboard, the reduced board can always be covered exactly with 31 dominoes (of dimension ).

# Gomory's Theorem

## See also

Chessboard## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Gomory's Theorem."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/GomorysTheorem.html