From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Fri, 25 Jan 2013 08:55:56 +0000 (+0100)
Subject: Stalemate is a win in Shogi
X-Git-Url: http://winboard.nl/cgi-bin?p=xboard.git;a=commitdiff_plain;h=1fbfb851ce740e380fa9a16eb07fe1465af479fa

Stalemate is a win in Shogi

In regular Shogi this never occurs, but in the mini variants it happens
often enough.
---

diff --git a/backend.c b/backend.c
index 422bdb9..aafb11f 100644
--- a/backend.c
+++ b/backend.c
@@ -7757,7 +7757,7 @@ Adjudicate (ChessProgramState *cps)
 			boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
 						   ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
 									EP_CHECKMATE : EP_WINS);
-		    else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
+		    else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
 		        boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
 		}
 		break;
diff --git a/moves.c b/moves.c
index 2b6fd8a..d59542a 100644
--- a/moves.c
+++ b/moves.c
@@ -1264,7 +1264,7 @@ MateTest (Board board, int flags)
 	else if(gameInfo.variant == VariantGiveaway) return MT_STEALMATE; // no check exists, stalemated = win
 
         return inCheck ? MT_CHECKMATE
-		       : (gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShatranj) ?
+		       : (gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShatranj || gameInfo.variant == VariantShogi) ?
 			  MT_STAINMATE : MT_STALEMATE;
     }
 }