Computer Chess Club Archives

Search

Terms

Messages

Subject: Re: How long does it take your program to avoid this move?

Author: Andrew Smith

Date: 17:38:18 12/26/01

On December 26, 2001 at 19:59:00, Christophe Theron wrote:

>On December 26, 2001 at 18:01:35, Andrew Smith wrote:
>
>>An interesting position, where the point is not to find some particular move,
>>but to avoid one. Qxh6? is not right in this position. How long does your
>>favourite program need to avoid it?
>>
>>6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w KQkq - 0 1
>>
>>Interesting to see gambit tiger 2.0 analysis after a while. The score is clearly
>>dropping
>>
>>
>>[D]6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1
>>
>>Analysis by Gambit Tiger 2.0:
>>
>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3
>>  +-  (4.08)   Depth: 6   00:00:00  3kN
>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2 a5 5.Bxa5
>>  +-  (4.30)   Depth: 7   00:00:00  11kN
>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3 a5 5.Bxa5
>>  +-  (4.90)   Depth: 8   00:00:01  28kN
>>1.Qxh6 Nf5 2.Qh3 Bxg5
>>  +-  (4.90)   Depth: 9   00:00:01  60kN
>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qb3+ Kg7 4.Qd5 Bf4 5.Qxe4 Bxh2 6.Qb7+ Kh6 7.Qxa7
>>  +-  (4.80)   Depth: 10   00:00:02  106kN
>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 Bc1+ 5.Kb3 Kf7 6.Qxe4 Kf6
>>  +-  (5.00)   Depth: 11   00:00:07  482kN
>>1.Qxh6
>>  +-  (4.10)   Depth: 12   00:01:02  4288kN
>>1.Qxh6
>>  +-  (3.20)   Depth: 13   00:04:21  17331kN
>>
>>(only, MyTown 01.11.2001)
>
>
>
>Chess Tiger 14.8 needs 23.83s to see the score drop to -3.50 and 91.78s to
>switch to Qxe4 (K6-2 450MHz, 96Mb hash).
>
>
>
>    Christophe


Hi, Christophe!

It looks to me like you are making some big improvements in this new tiger! I
can show you my completed analysis on a 333mhz computer (not that much slower
than yours.) Two and a half hours to switch to Qxe4!



6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1

Analysis by Gambit Tiger 2.0:

1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3
  +-  (4.08)   Depth: 6   00:00:00  3kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2 a5 5.Bxa5
  +-  (4.30)   Depth: 7   00:00:00  11kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3 a5 5.Bxa5
  +-  (4.90)   Depth: 8   00:00:01  28kN
1.Qxh6 Nf5 2.Qh3 Bxg5
  +-  (4.90)   Depth: 9   00:00:01  60kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qb3+ Kg7 4.Qd5 Bf4 5.Qxe4 Bxh2 6.Qb7+ Kh6 7.Qxa7
  +-  (4.80)   Depth: 10   00:00:02  106kN
1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 Bc1+ 5.Kb3 Kf7 6.Qxe4 Kf6
  +-  (5.00)   Depth: 11   00:00:07  482kN
1.Qxh6
  +-  (4.10)   Depth: 12   00:01:02  4288kN
1.Qxh6
  +-  (3.20)   Depth: 13   00:04:21  17331kN
1.Qxh6
  +-  (2.30)   Depth: 14   00:13:40  58393kN
1.Qxe4 Bxb4+ 2.Kxb4 a5+ 3.Kxa5 Rh5 4.Qa8+ Kf7 5.Qb7+ Kf8 6.Qb8+ Kf7 7.Qc7+ Kf8
8.Qd6+ Kg8 9.Qd5+
  +-  (1.58)   Depth: 15   02:39:40  776538kN

(only, MyTown 01.11.2001)

Re: How long does it take your program to avoid this move? Christophe Theron 21:33:57 12/26/01
- Re: How long does it take your program to avoid this move? Tony Werten 01:33:54 12/27/01
  - Re: How long does it take your program to avoid this move? Christophe Theron 09:42:16 12/27/01
- Re: How long does it take your program to avoid this move? Uri Blass 22:00:25 12/26/01
  - Re: How long does it take your program to avoid this move? K. Burcham 05:15:08 12/27/01
    - Re: How long does it take your program to avoid this move? Gian-Carlo Pascutto 06:10:44 12/27/01
    - Re: How long does it take your program to avoid this move? Uri Blass 05:43:35 12/27/01
      - Re: How long does it take your program to avoid this move? Martin Giepmans 09:07:35 12/27/01
        
        Re: How long does it take your program to avoid this move? Christophe Theron 09:46:39 12/27/01
        
        Re: How long does it take your program to avoid this move? Martin Giepmans 10:35:00 12/27/01
        
        Re: How long does it take your program to avoid this move? Christophe Theron 15:53:04 12/27/01
        
        Re: How long does it take your program to avoid this move? Martin Giepmans 18:05:01 12/27/01
        
        Re: How long does it take your program to avoid this move? Christophe Theron 20:05:14 12/27/01

This page took 0.01 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.