Can someone explain to me what analysis 'depth' actually means? - Chess Forums

says this about depth: "This number describes how many moves ahead the engine is looking in order to make its decision on what the best move is." This is exactly what I always thought depth was. But looking at analysis seems to indicate otherwise. Take these examples of analysis of the same

chess.com analysis of the same move in back-to-back games : r/chess

Can someone explain to me what analysis 'depth' actually means

Stockfish at depth 40 fails to solve this puzzle. Can you do it

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