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The problem is that there are two white queens on the c file; one on c1 and on c8. (Granted, only one of them can checkmate, but checks and checkmates are not used for disambiguation; see the PGN standard, section 8.2.3.5. In any case, “c” is redundant.) Also note that Qcc4 is output twice in the WinningMoves list.
The correct disambiguation in this case would be Q8c4#.
The text was updated successfully, but these errors were encountered:
Fathom occasionally does not disambiguate moves properly:
The problem is that there are two white queens on the c file; one on c1 and on c8. (Granted, only one of them can checkmate, but checks and checkmates are not used for disambiguation; see the PGN standard, section 8.2.3.5. In any case, “c” is redundant.) Also note that Qcc4 is output twice in the WinningMoves list.
The correct disambiguation in this case would be Q8c4#.
The text was updated successfully, but these errors were encountered: