From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Wed, 16 Nov 2016 19:03:08 +0000 (+0100)
Subject: Fix another off-by-one bug that was introduced while fixing the others.
X-Git-Url: https://git.sesse.net/?p=remoteglot;a=commitdiff_plain;h=4cc49cb14f990d0b9283002028899a09190040b4;hp=28a2cc705cbfdcbc1d13f8a557bc090157a8190f

Fix another off-by-one bug that was introduced while fixing the others.
---

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index 0748dce..1f4c2a5 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -1060,10 +1060,20 @@ var update_board = function() {
 			headline += ' after ' + last_move;
 		}
 	} else if (data['position']['last_move'] !== 'none') {
+		// Find the previous move.
+		var previous_move_num, previous_toplay;
+		if (data['position']['toplay'] == 'B') {
+			previous_move_num = data['position']['move_num'];
+			previous_toplay = 'W';
+		} else {
+			previous_move_num = data['position']['move_num'] - 1;
+			previous_toplay = 'B';
+		}
+
 		last_move = format_move_with_number(
 			data['position']['last_move'],
-			data['position']['move_num'],
-			data['position']['toplay'] == 'B');
+			previous_move_num,
+			previous_toplay == 'W');
 		headline += ' after ' + last_move;
 	} else {
 		last_move = null;