When Stockfish Goes Wrong.

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lezicuv

Do you know this legend puzzle?

Even stockfish didn't solve this puzzle.

#33

SamuelChess321

this is not a normal puzzle bruh

it is just some random weird moves combined together

SamuelChess321

it's not even a puzzle

not even a 100 elo player would do this

Dustin4023

Should have avoided the Queen getting captured

nathan1934

The weird thing is, Stockfish says you should play these moves, except for 4… Nf7+

drdos7
lezicuv wrote:

Do you know this legend puzzle?

Even stockfish didn't solve this puzzle.

#33

I got it down to a mate in 32 although I'm fairly certain that there is a shorter forced mate , but this is actually a study so it is sufficient just to demonstrate a win. Stockfish 16 does solve this now along with ALL of the NNUE versions of Stockfish (versions 12, 13, 14.1, 15.1, and 16.1) all of which solve it in less than 9 minutes on my computer with most of them except for version 12 solving it in less than 4 minutes.

I should also note that an engine named "Rybka 2.3.2a" from about 2007-2008 solves this very quickly using 16 cores on my computer it finds 1.Nf6+ in 13 seconds with a winning score, here's a screenshot:

and here is a pgn of the mate in 32 that the engine "The Huntsman 1" found in a little more than 17 minutes on my computer: