From 2da9e82a0473de067284fbeccae1467d0650dd9e Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Sun, 25 Aug 2024 16:15:36 +0200
Subject: Fix British winter attrition with 1 CU Army.

---
 rules.js | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/rules.js b/rules.js
index 604dd5a..f2c4d0a 100644
--- a/rules.js
+++ b/rules.js
@@ -3823,13 +3823,28 @@ function has_american_winter_attrition(s) {
 	if (n_american > 0)
 		return true
 
-	// French suffer attrition only at WQ
+	// French suffer attrition only outside WQ
 	if (n_french > 0 && !is_winter_quarter_space(s))
 		return true
 
 	return false
 }
 
+function has_british_winter_attrition(s) {
+	let wq = is_winter_quarter_space(s)
+	let n_british = count_british_cu(s)
+
+	// EXCEPT: Single CU in a space with General.
+	if (n_british === 1 && has_british_general(s))
+		return false
+
+	// British suffer attrition only outside WQ
+	if (n_british > 0 && !is_winter_quarter_space(s))
+		return true
+
+	return false
+}
+
 function goto_american_winter_attrition() {
 	game.active = P_AMERICA
 	game.attrition = []
@@ -3852,12 +3867,9 @@ function end_american_winter_attrition() {
 function goto_british_winter_attrition() {
 	game.active = P_BRITAIN
 	game.attrition = []
-	for (let space of all_spaces) {
-		let wq = is_winter_quarter_space(space)
-		let n_british = count_british_cu(space)
-		if (n_british > 0 && !wq)
-			game.attrition.push(space)
-	}
+	for (let s of all_spaces)
+		if (has_british_winter_attrition(s))
+			game.attrition.push(s)
 	if (game.attrition.length > 0) {
 		log("=b Winter Attrition")
 		game.state = "british_winter_attrition"
-- 
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