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 will analyze a chess position through to (for example) depth 45 and announce a mate in 10. When it reaches depth 56 it finds an improvement, to mate in 9. Why

How do you make NNUE neural network for the newest Stockfish chess engine? - Chess Stack Exchange

Stockfish will analyze a chess position through to (for example) depth 45 and announce a mate in 10. When it reaches depth 56 it finds an improvement, to mate in 9. Why

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

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

Dissecting Stockfish Part 2: In-Depth Look at a chess engine, by Antoine Champion

engines - Why does Stockfish evaluate this position as equal? - Chess Stack Exchange

What are some interesting math facts about chess? : r/math

Stockfish will analyze a chess position through to (for example) depth 45 and announce a mate in 10. When it reaches depth 56 it finds an improvement, to mate in 9. Why

engines - Is Houdini 6 a Stockfish clone? - Chess Stack Exchange

evaluation - Why does stockfish move quality increase non-monotonically with increasing depth? -- selected moves at depth 3 are worse than depth 1 - Chess Stack Exchange

Stockfish NNUE - Chessprogramming wiki

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