Guides
The evergreen reference: what an engine is actually measuring, and how to use its answer without being misled by it.
Depth, and What It Buys You
Depth 20 is not twice as good as depth 10. What a ply is, why the returns fall away sharply, and how to tell when a position has actually been resolved.
3 min read
What the Evaluation Number Actually Means
An engine's score is measured in pawns, but it is not counting pawns. What the number is, what counts as an advantage, and why anything under 0.3 is noise.
3 min read