Merge pull request niklasf#784 from MarkZH/bot-draw-fix

niklasf · web-flow · commit 1c2b2131ee56 · 2021-05-17T10:58:11.000+02:00
Make sure engines support draw offers (followup to niklasf#783)
diff --git a/chess/engine.py b/chess/engine.py
@@ -2113,7 +2113,7 @@ def start(self, engine: XBoardProtocol) -> None:
                 if limit.black_clock is not None:
                     engine.send_line("{} {}".format("otim" if board.turn else "time", max(1, int(limit.black_clock * 100))))
 
-                if draw_offered:
+                if draw_offered and engine.features.get("draw", 1):
                     engine.send_line("draw")
 
                 # Start thinking.
