From 28f4d7de9478caa0de572953072441ac4b33c0d1 Mon Sep 17 00:00:00 2001
From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Sun, 26 Oct 2025 19:29:48 +0100
Subject: [PATCH] Fix saving games as book

The last move of each game would never be added to the book,
due to use of < instead of <= when testing for the game end.
---
 book.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/book.c b/book.c
index 5caea0f..f0b8c74 100644
--- a/book.c
+++ b/book.c
@@ -1061,7 +1061,7 @@ AddGameToBook (int always)
     }
 
     if(appData.debugMode) fprintf(debugFP, "add game to book (%d-%d)\n", backwardMostMove, forwardMostMove);
-    for(i=backwardMostMove; i<forwardMostMove && i < 2*appData.bookDepth; i++)
+    for(i=backwardMostMove; i<=forwardMostMove && i < 2*appData.bookDepth; i++)
 	AddToBook(i, WhiteOnMove(i) ? result : 2-result); // flip result when black moves
 }
 
-- 
1.7.0.4