When Stockfish Goes Wrong.

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Avatar of lezicuv

Do you know this legend puzzle?

Even stockfish didn't solve this puzzle.

#33

Avatar of SamuelChess321

this is not a normal puzzle bruh

it is just some random weird moves combined together

Avatar of SamuelChess321

it's not even a puzzle

not even a 100 elo player would do this

Avatar of Dustin4023

Should have avoided the Queen getting captured

Avatar of nathan1934

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

Avatar of 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: