nearly impossible puzzle

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thugggee

https://www.chess.com/puzzles/problem/1297609

1 person so far has completed it. Why does this exist? There are thousands of ways to mate here.

albacored

But there's only one 'best' way, which requires two brilliant moves to boot. I meant it's like mate in 7. Is there a faster mate? If not, then no surprise. That's how the puzzles work.