From 705fc964773ab699d4142c237f4b6d0bd9b2f5ae Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Tue, 8 Oct 2013 21:40:35 +0200
Subject: [PATCH] Fix double-leg moves on small boards
---
backend.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/backend.c b/backend.c
index 6d2e706..bb79d8d 100644
--- a/backend.c
+++ b/backend.c
@@ -5058,16 +5058,18 @@ SendMoveToProgram (int moveNum, ChessProgramState *cps)
}
else SendToProgram(moveList[moveNum], cps);
} else
+ if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
+ snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
+ moveList[moveNum][5], moveList[moveNum][6] - '0',
+ moveList[moveNum][5], moveList[moveNum][6] - '0',
+ moveList[moveNum][2], moveList[moveNum][3] - '0');
+ SendToProgram(buf, cps);
+ } else
if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
- } else if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
- snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
- moveList[moveNum][5], moveList[moveNum][6] - '0',
- moveList[moveNum][5], moveList[moveNum][6] - '0',
- moveList[moveNum][2], moveList[moveNum][3] - '0');
} else
snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
@@ -5437,6 +5439,7 @@ ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fro
return (*moveType != IllegalMove);
} else {
return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
+ killX < 0 && // [HGM] lion: if this is a double move we are less critical
WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
}
--
1.7.0.4