渊深海阔 第217局: a record that cannot be right

One composition from 渊深海阔 (1808) whose diagram, as transcribed, does not support the win it claims. The book’s line is the mainline; Black’s alternative first move is the branch. Published as the evidence behind a note to the source of the record.

1 chapter

1. 第217局 疾诛文丑 (Swiftly Slaying Wen Chou)9 moves

   Deep as the Sea (渊深海阔, 1808), problem 217. The record claims a mate in five by continuous checks and the printed line does mate, but only because Black’s fourth move walks into it: 车5退8 instead leaves Red without a single check. The same chariot, on e2, also mates Red from the di…