Stockfish Depth 20 claims M2 is M46 - Chess Forums

Like Stockfish isn't supposed to see that

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

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

Depth of Lichess Server Analysis of the full game • page 1/2 • General Chess Discussion •

Stockfish Wins Computer Chess Championship Blitz

Why does Stockfish give 2 slightly different evaluations and lines at the same depth and in the exact same position depending on how the position was reached? : r/chess

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

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

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

depth 70 ruy lopez stockfish14.1 : r/chess

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

Understanding chess engine evaluations