From 45a88aa79ac99c45f1b8608354bcefaf1b9a5826 Mon Sep 17 00:00:00 2001 From: Josh Date: Tue, 19 Aug 2025 18:44:40 -0400 Subject: [PATCH] Fix typo --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index ddfd1b0..d8ddba1 100644 --- a/README.md +++ b/README.md @@ -31,7 +31,7 @@ FEN is a single line string that describes a chess position. Format: # Perft Testing A Chess Engine -**Perft** (“performance test”) walks the move tree *without move evaluation* and counts nodes at certain depths in the tree. It’s a standard way to verify an engine's **move generation + make/unmake (or make-on-copy)** are correct. The important to understand that the node counts have been generated and verified by the chess programming community, meaning that these counts are a reliable reference point for a chess engine to match against. +**Perft** (“performance test”) walks the move tree *without move evaluation* and counts nodes at certain depths in the tree. It’s a standard way to verify an engine's **move generation + make/unmake (or make-on-copy)** are correct. It's important to understand that the node counts have been generated and verified by the chess programming community, meaning that these counts are a reliable reference point for a chess engine to match against. ## What perft checks - **Legality filtering:** no moves that leave your own king in check.