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Subject: Re: Amy-0.7 released

Author: Steffen Jakob

Date: 00:31:31 03/23/00

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On March 22, 2000 at 15:10:26, Dann Corbit wrote:

>The new Amy is a sabre-toothed tactical monster! It got 280/300 in WAC at 5
>seconds per move on a lowly PII 300 MHz Intel machine! Here is the tail end of
>the analysis for WAC:


The new Amy crashed on my machine when I ran the WAC test suite with 5 secs/pos:

[...]

Problem 146:
best move is Bc8
        +---+---+---+---+---+---+---+---+
      8 |   |   |   |   |   |   |   |   |
        +---+---+---+---+---+---+---+---+
      7 |   |   |   |   |   |   |   |   |   Hashkey: c65bb3367d97ea87
        +---+---+---+---+---+---+---+---+
      6 |   |   | K |*P*|   |   |   |   |
        +---+---+---+---+---+---+---+---+
      5 |   |   |   | P |   | B |   |   |   Black ( 2000,     0)  P....
        +---+---+---+---+---+---+---+---+
      4 |   |   | P |   |   |*K*|   |   |   White ( 5000,  3000)  P.B..
        +---+---+---+---+---+---+---+---+
      3 |   |   |   |   |   |*P*|   |   |
        +---+---+---+---+---+---+---+---+
      2 |   |   |   |   |   |   |   |   |   Index: 37
        +---+---+---+---+---+---+---+---+
      1 |   |   |   |   |   |   |   |   |   MateThreat: 0 0
        +---+---+---+---+---+---+---+---+
          a   b   c   d   e   f   g   h
GamePhase: Middlegame
It    Time   Score  principal Variation
10     1.2  +5.008  1. Bc8 Kg5 2. Kxd6 f2 3. Bh3 Kh4 4. Bf1 Kg5 5. c5 Kf5 6.
                    c6
11     1.4     +++  1. Bc8
Segmentation fault (core dumped)


Some information about my platform:

- no tablebases
- gcc version 2.95.2 19991024 (release)
- amy compiled with -O
- Linux kernel 2.2.14
- glibc 2.0.7-29
- PIII 400 MHz

This bug occurs also when I only run position #146.

Best wishes,
Steffen.



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