Kakuro Combinations: Complete Cheat Sheet and Reference Guide
Kakuro “combinations” refer to the possible sets of digits that, when added, are equal to the clue number associated with that run. A “run” refers to the grouping of cells whose sum must equal the clue number. Some combinations are unique, meaning that only one set of digits will complete the run. The digits included in such a combination serve as guaranteed cell answers for the rest of the board.