Bug: Mate in 1 puzzle is not - Chess Forums

Doing puzzles with kind set to "Mate in 1" I got this puzzle: and as can be seen in the self analysis, it is not a mate in 1

Opening Theory Archives - British Chess News

Enigmatic Chess Tactic: The Lifeline

Chess - Play & Learn on the App Store

3 Most Tricky Mate-in-1 Positions Ever - TheChessWorld

List Of Chess Variants: Most Up-to-Date Encyclopedia, News & Reviews

Mate in 1 Chess Puzzle: You May Not Solve It - video Dailymotion

Help me solve this puzzle - Chess Forums

5 Mate-in-1 puzzles that are not that easy : r/chess

I designed a puzzle, enjoy!!! Pretty epic! - Chess Forums

Problem Solved achievement in Chess Ultra

analysis shows I made “mistake” and states mate in 10 (I.e. I can put opponent mate)? - Chess Forums

How quickly can you see a mate in one? - Chess Forums

Computer (depth ~20) misses mate in one - Chess Forums

Nakamura blunders mate-in-1, Chessable Masters 3

I GOT A FOOLS MATE VS A 2300 BOT! - Chess Forums