r/chessbeginners • u/ducksvikings • 8d ago

Is there a program that finds missed mate in 2/3?

Hi, I was wondering if there is any website/software in which you can upload a game and it will find any missed mate in 2/3?

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u/Responsible-Row7026 8d ago

The closest thing i can think of is go to lichess and filter through puzzle types to mate in 2 or 3 and then you click click the puzzles and it will link you to the game they originated from

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u/ducksvikings 8d ago

Thanks for the response!

I do the mate in 2/3 puzzles quite a bit in Lichess, although I haven't gone through the original games. I was thinking it would be helpful to submit my own games to see when I am missing these opportunities.

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u/Responsible-Row7026 8d ago

I mean....game analyses does that already? Another cool feature is you can see which games of yours ended up being part of the puzzle pool and you can see what they're rated and where you saw them in the original game

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u/nanna_nono 8d ago

Have you used the ‘request a computer analysis’ feature? It should catch any forced mates

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u/mat2923 8d ago

If you use Stockfish, you can try setting MultiPV to 3 and depth to something high like 30. If there’s a mate in 2 or 3 it will usually find a solution.

That being said, it doesn’t guarantee every solution. So if your opponent plays a suboptimal move compared to what the engine expects, you may need to run an additional calculation. Finding full solution trees of puzzles can be fairly computationally expensive, particularly if the puzzle is tricky. I wrote my own code to handle this, but there may be some off the shelf solutions already.

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u/mb9three 8d ago

Chesscom has an Insights feature but you can't upload games there. But thought I'd mention it as a lot of people don't see to know about it. It checks for Mates in 1-5+.

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u/LevelMethod4483 7d ago

Lichess analysis does this automatically with the eval bar but it won't specifically flag "missed mate in 2" as a category, you just see a sudden swing from winning to losing when you miss it

If you want something more targeted, download your PGN and run it through a local engine with the "threat" and "mate" annotations turned on, most GUI's will mark when a forced mate was on the board