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Subject: Re: Chess program crash generator

Author: Roman Hartmann

Date: 09:55:45 05/10/05

Go up one level in this thread


On May 10, 2005 at 12:27:13, Dann Corbit wrote:

>[D]rnbqkbnr/qqqqqqqq/qqqqqqqq/QqQqQqQq/QqQqQqQq/QQQQQQQQ/QQQQQQQQ/RNBQKBNR w
>KQkq -
>
>setboard rnbqkbnr/qqqqqqqq/qqqqqqqq/QqQqQqQq/QqQqQqQq/QQQQQQQQ/QQQQQQQQ/RNBQKBNR
>w KQkq -
>go
>
>Crashed so far:
>Crafty
>Shredder
>Beowulf
>
>Gandalf did not crash but (understandably) has been pounding away trying to
>finish ply 1 for about 8 minutes so far.

I just recompiled my movegenerator to see what happens if I just increase my
define MAXMOVES. Just did a few perfts to see if it should crash. No ideas if
these values are correct though.

roce: fen
fen: rnbqkbnr/qqqqqqqq/qqqqqqqq/QqQqQqQq/QqQqQqQq/QQQQQQQQ/QQQQQQQQ/RNBQKBNR w Q
Kqk - 0 0

roce: disp

8   {r}{n}{b}{q}{k}{b}{n}{r}

7   {q}{q}{q}{q}{q}{q}{q}{q}

6   {q}{q}{q}{q}{q}{q}{q}{q}

5   [Q]{q}[Q]{q}[Q]{q}[Q]{q}

4   [Q]{q}[Q]{q}[Q]{q}[Q]{q}

3   [Q][Q][Q][Q][Q][Q][Q][Q]

2   [Q][Q][Q][Q][Q][Q][Q][Q]

1   [R][N][B][Q][K][B][N][R]

     a  b  c  d  e  f  g  h

ply: 1
turn: white
castling white: kingside [1] queenside: [1]
castling black: kingside [1] queenside: [1]
king w: e1 king b: e8
roce: perft 1

Perft (1): 50 nodes, Time: 0.000 s
roce: perft 2

Perft (2): 2486 nodes, Time: 0.000 s
roce: perft 3

Perft (3): 124873 nodes, Time: 0.010 s
roce: perft 4

Perft (4): 6375902 nodes, Time: 0.491 s
roce: perft 5

Perft (5): 336595805 nodes, Time: 27.600 s
roce: show

50 legal moves:

Qh3-h4
Qg3xqf4
Qg3xqh4
Qf3-f4
Qe3xqd4
Qe3xqf4
Qd3-d4
Qc3xqb4
Qc3xqd4
Qb3xqb4
Qa3xqb4
Qg4xqh4
Qg4xqf4
Qg4xqf5
Qg4xqh5
Qe4xqf4
Qe4xqd4
Qe4xqd5
Qe4xqf5
Qc4xqd4
Qc4xqb4
Qc4xqb5
Qc4xqd5
Qa4xqb4
Qa4xqb5
Qg5xqh5
Qg5xqf5
Qg5-g6
Qg5xqf4
Qg5xqh4
Qg5xqf6
Qg5xqh6
Qe5xqf5
Qe5xqd5
Qe5xqe6
Qe5xqd4
Qe5xqf4
Qe5xqd6
Qe5xqf6
Qc5xqd5
Qc5xqb5
Qc5-c6
Qc5xqb4
Qc5xqd4
Qc5xqb6
Qc5xqd6
Qa5xqb5
Qa5xqa6
Qa5xqb4
Qa5xqb6
roce:



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