URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=15652>
Summary: Problem with FEN mate position
Project: XBoard
Submitted by: None
Submitted on: Tue 02/07/06 at 14:32
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
_______________________________________________________
Details:
When I load the following FEN position file into Xboard and using Crafty, the
engine goes crazy:
8/8/4K3/8/8/8/8/kq6 b - - 0 1
8/8/8/8/8/7R/5K2/7k b - - 0 1
On loading the first position, everything is fine. Then I go to the next
position via the NextPosition Command in Xboard and then Crafty goes bezerk,
stalling the system due to heavy disk access, and its log file goes to 1
GByte containing this (repeatedly):
Black(1): new
White(1): random
White(1): level 40 5 0
40 moves/5 minutes primary time control
40 moves/5 minutes secondary time control
White(1): hard
pondering enabled.
White(1): ping 6
pong 6
White(1): force
White(1): setboard 8/8/8/8/8/7R/5K2/7k b - - 0 1
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
7 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
6 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
5 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
4 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
3 | . | | . | | . | | . |-R-|
+---+---+---+---+---+---+---+---+
2 | | . | | . | |-K-| | . |
+---+---+---+---+---+---+---+---+
1 | . | | . | | . | | . |<K>|
+---+---+---+---+---+---+---+---+
a b c d e f g h
Black(1): undo
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
7 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
6 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
5 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
4 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
3 | . | | . | | . | | . |-R-|
+---+---+---+---+---+---+---+---+
2 | | . | | . | |-K-| | . |
+---+---+---+---+---+---+---+---+
1 | . | | . | | . | | . |<K>|
+---+---+---+---+---+---+---+---+
a b c d e f g h
ERROR side not on move is in check!
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
7 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
6 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
5 | . | | . | | . | | . | |
+---+---+---+---+---+---+---+---+
4 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
3 | . | | . | | . | | . |-R-|
+---+---+---+---+---+---+---+---+
2 | | . | | . | |-K-| | . |
+---+---+---+---+---+---+---+---+
1 | . | | . | | . | | . |<K>|
+---+---+---+---+---+---+---+---+
a b c d e f g h
ERROR side not on move is in check!
I have no idea what causes this fatal loop...
_______________________________________________________
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