Free tool: find every tactic in a position or game

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Avatar of sjvv30

I made a free tool called ChessGrammar that finds tactical 
patterns in chess positions.

Paste any FEN or a full PGN and it detects forks, pins, 
skewers, discovered attacks, back rank mates, and more 
(10 patterns total).

Search for "ChessGrammar" to try the playground — no 
signup needed.

It also works on full games: paste a PGN and it shows 
every tactic that was played or could have been played.

Would love feedback from the community!

Avatar of Nosoris

I must say it looks nice, good work here.

I think it's fair in what it detects.