CHECKERBOARDcheckerboard · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:CHECKERBOARDTier 1Ordinal93Pythagorean57Classical89Reverse231Reverse Reduction69Standard540Final Large540Ordinal90Reduced27Atbash580Isopsephy927Ordinal117Abjad480