stockfish - Why do Engines show a fraction for the Depth and Current Node values? - Chess Stack Exchange

Forgive me if this has been asked elsewhere, but I've both Googled and searched here at CSE and cannot find an answer. When I'm using an Engine for analysis (in this case, Stockfish 15), I've noticed

Stockfish does not understand this position. For humans this is very intuitive. : r/chess

High-level explanation

Engine doesn't recognize best move - Chess Forums

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Why can Stockfish give different evaluations at the same depth? - Quora

Stockfish does not understand this position. For humans this is very intuitive. : r/chess

NPS - What are the Nodes per Second in Chess Engine Analysis

Why can Stockfish give different evaluations at the same depth? - Quora

stockfish - Why do Engines show a fraction for the Depth and Current Node values? - Chess Stack Exchange

Stockfish: Depth vs. TC

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