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Subject: Re: TBs here are 5-pieces

Author: Robert Hyatt

Date: 07:23:47 04/19/01

On April 19, 2001 at 09:32:10, Chessfun wrote:

>On April 19, 2001 at 07:16:39, Eduard Nemeth wrote:
>
>>On April 19, 2001 at 06:51:26, Eduard Nemeth wrote:
>>
>>>8/8/8/6Np/2N5/Pk6/6K1/8 w - - 0 1
>>>
>>>Analysis ChessTiger 14.0 with TBs (4+5-pieces) and 96 MB Hash on a P600:
>>>
>>>00:00:20.1	6,62	14	5162472	Ne5 Kxa3 Kg3 h4+ Kh3 Ka4 Ng4 Ka3 Ne6 Kb4 Nf4 Ka4 Nd5
>>>Ka3 Ndf6
>>>00:02:18.2	6,60	15	37335234	Ne5 Kxa3 Kg3 h4+ Kh3 Ka4 Ng4 Ka3 Ne6 Kb4 Nf4 Ka4 Nd5
>>>Ka3 Ne7 Kb4
>>>
>>>This is draw (or a mate in 100 moves :)!
>>>
>>>Win move are 1. Nf3 or 1.Ne4
>>>
>>>Eduard
>
>With all 5 men.
>
>ChessTiger 14.0
>
>; 00:00:00.7  1.   Score: 11.00   depth: 10 a4
>; 00:00:00.6  1.   Score: 13.98   depth: 10 a4 Kb4 a5 Kb5 a6 Kc6 Ne6 Kd5 a7 Kxe6
>Kh3
>; 00:00:00.1  1.   Score: 14.04   depth: 11 a4 Kb4 a5 Kb5 a6 Kc6 Ne6 Kd5 a7 Kxc4
>Nf4 h4
>; 00:00:02.4  1.   Score: 14.16   depth: 12 a4 Kb4 a5 Kb5 a6 Kc6 Ne6 Kd5 a7 Kxe6
>a8Q Kf6 Kg3
>; 00:00:02.1  1.   Score: 14.94   depth: 12 Nf3
>; 00:00:03.6  1.   Score:  Mate in 27   depth: 12 Nf3 Kxc4
>; 00:00:07.6  1.   Score:  Mate in 25   depth: 12 Ne4 Kxc4
>; 00:00:07.9  1.   Score:  Mate in 25   depth: 13 Ne4 Kxc4
>; 00:00:09.4  1.   Score:  Mate in 25   depth: 14 Ne4 Kxc4
>; 00:00:11.8  1.   Score:  Mate in 25   depth: 15 Ne4 Kxc4
>; 00:00:15.0  1.   Score:  Mate in 25   depth: 16 Ne4 Kxc4
>; 00:00:22.5  1.   Score:  Mate in 25   depth: 17 Ne4 Kxc4
>; 00:00:35.8  1.   Score:  Mate in 25   depth: 18 Ne4 Kxc4
>; 00:00:50.0  1.   Score:  Mate in 25   depth: 19 Ne4 Kxc4
>; 00:01:03.0  1.   Score:  Mate in 25   depth: 20 Ne4 Kxc4
>
>; Analysis completed
>
>Analysis by Crafty 18.08:
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 8/15   00:00:00  172kN, tb=1446
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 9/15   00:00:01  310kN, tb=1657
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 10/18   00:00:02  672kN, tb=5705
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 11/20   00:00:03  1352kN, tb=6550
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 12/21   00:00:07  3005kN, tb=12665
>1.Ne4 Kxc4
>  +-  (#26)   Depth: 13/25   00:00:14  7215kN, tb=16920
>
>(Sarah, 19.04.2001)
>
>Analysis by Deep Fritz:
>1.Ne4!
>  +-  (7.38)   Depth: 11/20   00:00:00  178kN, tb=285
>1.Ne4!
>  +-  (7.69)   Depth: 12/20   00:00:00  317kN, tb=465
>1.Ne4! Ka4
>  +-  (7.72)   Depth: 12/27   00:00:01  705kN, tb=1050
>1.Ne4!
>  +-  (8.03)   Depth: 13/21   00:00:01  947kN, tb=1426
>1.Ne4! Ka2 2.Kh3
>  +-  (#27)   Depth: 13/27   00:00:02  1307kN, tb=1964
>
>(Sarah, 19.04.2001)
>
>Analysis by Fritz 6:
>1.a4! Kb4 2.a5 Kb5 3.a6 Kc6 4.Ne6 h4 5.Nd8+ Kd5
>  +-  (10.78)   Depth: 12/22   00:00:00  671kN, tb=1108
>1.a4!
>  +-  (11.09)   Depth: 13/21   00:00:01  772kN, tb=1301
>1.a4! Kb4 2.a5 Kb5 3.a6 h4 4.a7 Kc5 5.Ne4+ Kd5
>  +-  (14.38)   Depth: 13/25   00:00:01  1028kN, tb=1540
>1.Nf3!
>  +-  (#33)   Depth: 13/26   00:00:02  2017kN, tb=3109
>1.Nf3! Kxc4
>  +-  (#28)   Depth: 13/26   00:00:03  2346kN, tb=3677
>
>(Sarah, 19.04.2001)
>
>Analysis by Hiarcs 7.32:
>1.Nd2+ Kc3 2.Nge4+ Kc2 3.a4 Kd3 4.a5 Ke3 5.a6
>  +-  (10.17)   Depth: 7/17   00:00:00  118kN, tb=375
>1.Nd2+ Kc3
>  +-  (10.42)   Depth: 8/19   00:00:01  177kN, tb=469
>1.Nd2+ Kc3 2.Kh3 Kc2 3.Kh4 Kc3 4.Ngf3 Kd3
>  +-  (17.13)   Depth: 8/19   00:00:01  358kN, tb=827
>1.Nd2+ Kc3 2.Kh3 Kc2 3.Kh4 Kb2 4.Kg3 Kc3
>  +-  (17.13)   Depth: 9/21   00:00:02  817kN, tb=2333
>1.Ne4 Ka2
>  +-  (17.90)   Depth: 9/23   00:00:02  825kN, tb=2364
>1.Ne4 Ka2 2.Kg3 Kb3
>  +-  (#26)   Depth: 9/23   00:00:02  828kN, tb=2368
>1.Ne4 Ka2 2.Kg3 Kb3 3.Kh4 Kxc4
>  +-  (#26)   Depth: 9/23   00:00:03  876kN, tb=2491
>
>(Sarah, 19.04.2001)
>
>Analysis by Junior 6a:
>1.Ne4!
>  +-  (7.24)   Depth: 12   00:00:00  148kN, tb=438
>1.Ne4! Ka4 2.Nc5+ Kb5 3.a4+ Kc6 4.a5 Kc7 5.a6 Kb8 6.Kg3
>  +-  (7.30)   Depth: 12   00:00:00  162kN, tb=466
>1.Ne4!
>  +-  (7.60)   Depth: 15   00:00:00  171kN, tb=529
>1.Ne4! Ka4 2.Nc5+ Kb5 3.a4+ Kc6 4.a5 Kc7 5.Ne6+ Kb8 6.Nf4 Ka7 7.Nxh5 Ka6 8.Nf6
>  +-  (8.11)   Depth: 15   00:00:00  388kN, tb=1339
>1.Ne4!
>  +-  (8.41)   Depth: 18   00:00:03  2033kN, tb=6029
>1.Ne4! Kxc4
>  +-  (#25)   Depth: 18   00:00:06  3754kN, tb=12051
>1.Ne4! Kxc4
>  +-  (#25)   Depth: 18   00:00:07  4043kN, tb=13259
>
>(Sarah, 19.04.2001)


Somebody's confused somewhere.  It is a mate in 26 starting with Ne4.  IE
counting Ne4, white needs exactly 26 moves to force mate.  What's with all
the other numbers these programs are getting???

Re: Why Tiger calls it Mate in 25? Jeff Lischer 18:00:50 04/19/01
- Re: Why Tiger calls it Mate in 25? Christophe Theron 09:27:10 04/20/01
- Re: Why Tiger calls it Mate in 25? Chessfun 20:34:48 04/19/01
  - Re: Why Tiger calls it Mate in 25? Robert Hyatt 06:01:53 04/20/01
    - Re: Why Tiger calls it Mate in 25? Paul 06:39:29 04/20/01
      - Re: Why Tiger calls it Mate in 25? Chessfun 06:59:04 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Chessfun 07:13:09 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Chessfun 07:17:19 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Paul 07:18:41 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Chessfun 07:25:53 04/20/01
        
        Re: Why Tiger calls it Mate in 25? (OT) Paul 08:10:36 04/20/01
        
        Re: Why Tiger calls it Mate in 25? (OT) Chessfun 09:01:31 04/20/01
        
        Re: Why Tiger calls it Mate in 25? (OT) Paul 10:25:31 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Paul 07:23:05 04/20/01
  - Re: Why Tiger calls it Mate in 25? Jeff Lischer 04:00:07 04/20/01
    - Re: Why Tiger calls it Mate in 25? Chessfun 05:21:44 04/20/01
    - Re: Why Tiger calls it Mate in 25? Dieter Buerssner 05:19:32 04/20/01
      - Re: Why Tiger calls it Mate in 25? Jeff Lischer 18:42:26 04/20/01
      - Re: Why Tiger calls it Mate in 25? Paul 10:55:31 04/20/01
        
        Re: Why Tiger calls it Mate in 25? Dieter Buerssner 12:20:42 04/20/01
        
        Re: Why Tiger calls it Mate in 25? ... TY (NT) Paul 12:38:19 04/20/01
- Re: Why Tiger calls it Mate in 25? Robert Hyatt 20:20:23 04/19/01
- Re: Why Tiger calls it Mate in 25? Robert Hyatt 20:20:03 04/19/01

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