Author: Uri Blass
Date: 04:21:37 09/30/01
Go up one level in this thread
On September 30, 2001 at 06:58:36, Dieter Buerssner wrote:
>On September 30, 2001 at 05:06:38, Uri Blass wrote:
>
>[snip]
>
>Yace also finds the Nxg6 mate first, but needs slightly more than 10 minutes.
>
>>Note that it is easy to get bigger evaluation changes
>>
>>here is a simple example
>
>A not so simple example by Blathy, taht most probably was also not easy to find
>... I have seen it first, when Helmut Conrady posted it to the German CSS forum:
>
>[D] 8/8/8/2p5/1pp5/brpp4/qpprpK1P/1nkbn3 w - -
>
>Yace 0.99.56 (I think most/all released versions don't find this, the next
>version probably will):
>
> 1 0.002 -40.10 1t 1.Kxe1 {-3601}
> 6 0.005 -40.10 1. 1.Kxe1 {-3601}
> 9 0.012 -40.09 2t 1.Kxe1 Qa1 {-3601}
> 32 0.016 -40.09 2. 1.Kxe1 Qa1 {-3601}
> 37 0.020 -40.02 3t 1.Kxe1 Qa1 2.h4 {-3601}
> 54 0.025 -40.02 3. 1.Kxe1 Qa1 2.h4 {-3601}
>[...]
> 5191 0.380 -30.18 14. 1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1
> 6.h8=Q Qa2 7.Qe5 Qa1
> 5215 0.391 -29.36 15++ 1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1
> 6.h8=Q Qa2 7.Qe5 Qa1 8.Qxc5 Qa2 {-2600}
> 5332 0.415 0.00 15++ 1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1
> 6.h8=Q Qa2 7.Qe5 Qa1 8.Qh8 {-2680}
> 5718 0.427 0.00 15t 1.Kxe1 Qa1 2.h4 Qa2H 3.h5H Qa1H 4.h6H Qa2H
> 5.h7H Qa1H 6.h8=QH Qa2H 7.Qe5H Qa1H 8.Qh8H Qa2H
> 9.Qe5H Qa1H 10.Qh8HR {-2680}
> 6749 0.460 0.00 15. 1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1
> 6.h8=Q Qa2 7.Qe5 Qa1 8.Qh8 Qa2 9.Qe5 Qa1 10.Qh8
> {-2680}
>[...]
> 1403321 10.205 0.00 32. 1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1
> 6.h8=Q Qa2 7.Qh4 Qa1 8.Qh8 {-2680}
> 1783674 12.607 Mat16 33++ 1.Kxe1 Qa1 2.h3 Qa2 3.h4 Qa1 4.h5 Qa2 5.h6 Qa1
> 6.h7 Qa2 7.h8=N Qa1 8.Nf7 Qa2 9.Ne5 Qa1 10.Nd7
> Qa2 11.Nxc5 Qa1 12.Na4 Qa2 13.Nb6 Qa1 14.Nxc4
> Qa2 15.Na5 Qa1 16.Nxb3# {-2681}
> 1784905 12.636 Mat16 33t 1.Kxe1 Qa1 2.h3 Qa2 3.h4 Qa1 4.h5 Qa2 5.h6 Qa1
> 6.h7 Qa2 7.h8=N Qa1 8.Nf7 Qa2 9.Ne5 Qa1 10.Nd7
> Qa2 11.Nxc5 Qa1 12.Na4 Qa2 13.Nb6 Qa1 14.Nxc4
> Qa2 15.Na5 Qa1 16.Nxb3# {-2681}
> 1942530 13.523 Mat16 33. 1.Kxe1 Qa1 2.h3 Qa2 3.h4 Qa1 4.h5 Qa2 5.h6 Qa1
> 6.h7 Qa2 7.h8=N Qa1 8.Nf7 Qa2 9.Ne5 Qa1 10.Nd7
> Qa2 11.Nxc5 Qa1 12.Na4 Qa2 13.Nb6 Qa1 14.Nxc4
> Qa2 15.Na5 Qa1 16.Nxb3# {-2681}
>
>static eval (without Kxe1): -43.9
>
>Regards,
>Dieter
Deep Fritz
New position
8/8/8/2p5/1pp5/brpp4/qpprpK1P/1nkbn3 w - - 0 1
Analysis by Deep Fritz:
1.Kxe1--
-+ (-40.34) Depth: 1/1 00:00:00
1.Kxe1--
-+ (-42.34) Depth: 1/2 00:00:00
1.Kxe1 Qa1
-+ (-42.28) Depth: 2/3 00:00:00
1.Kxe1 Qa1 2.h4
-+ (-42.12) Depth: 3/4 00:00:00
1.Kxe1 Qa1 2.h4 Qa2
-+ (-42.06) Depth: 4/5 00:00:00
1.Kxe1!
-+ (-41.72) Depth: 5/6 00:00:00
1.Kxe1--
-+ (-42.12) Depth: 6/6 00:00:00
1.Kxe1--
-+ (-42.12) Depth: 6/6 00:00:00
1.Kxe1!
-+ (-41.72) Depth: 7/7 00:00:00
1.Kxe1!
= (0.00) Depth: 8/8 00:00:00
1.Kxe1--
-+ (-39.72) Depth: 9/9 00:00:00
1.Kxe1-- Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7
-+ (-40.91) Depth: 9/10 00:00:00
1.Kxe1!
= (0.00) Depth: 10/10 00:00:00
1.Kxe1--
-+ (-40.09) Depth: 11/11 00:00:00
1.Kxe1--
-+ (-40.09) Depth: 11/11 00:00:00
1.Kxe1!
-+ (-35.59) Depth: 12/12 00:00:00 1kN
1.Kxe1! Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
-+ (-28.62) Depth: 12/13 00:00:00 1kN
1.Kxe1!
= (0.00) Depth: 13/13 00:00:00 1kN
1.Kxe1--
-+ (-28.62) Depth: 14/14 00:00:00 2kN
1.Kxe1--
-+ (-28.62) Depth: 14/14 00:00:00 2kN
1.Kxe1!
= (0.00) Depth: 15/15 00:00:00 2kN
1.Kxe1--
-+ (-28.62) Depth: 16/16 00:00:00 3kN
1.Kxe1--
-+ (-28.62) Depth: 16/16 00:00:00 3kN
1.Kxe1!
= (0.00) Depth: 17/17 00:00:00 4kN
1.Kxe1--
-+ (-28.62) Depth: 18/18 00:00:00 5kN
1.Kxe1--
-+ (-28.62) Depth: 18/18 00:00:00 5kN
1.Kxe1!
= (0.00) Depth: 19/19 00:00:00 6kN
1.Kxe1--
-+ (-19.47) Depth: 20/20 00:00:00 9kN
1.Kxe1--
-+ (-19.47) Depth: 20/20 00:00:00 9kN
1.Kxe1!
= (0.00) Depth: 21/21 00:00:00 12kN
1.Kxe1--
-+ (-15.62) Depth: 22/22 00:00:00 17kN
1.Kxe1--
-+ (-15.62) Depth: 22/22 00:00:00 17kN
1.Kxe1!
= (0.00) Depth: 23/23 00:00:00 20kN
1.Kxe1--
-+ (-15.62) Depth: 24/24 00:00:00 27kN
1.Kxe1--
-+ (-15.62) Depth: 24/24 00:00:00 27kN
1.Kxe1!
= (0.00) Depth: 25/25 00:00:00 32kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 26/26 00:00:00 53kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 27/27 00:00:00 72kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 28/28 00:00:00 105kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 29/29 00:00:00 144kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 30/30 00:00:00 214kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 31/31 00:00:00 289kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 32/32 00:00:00 409kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 33/33 00:00:00 542kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 34/34 00:00:00 766kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 35/35 00:00:01 1005kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 36/36 00:00:01 1371kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 37/37 00:00:01 1775kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 38/38 00:00:02 2425kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 39/39 00:00:03 3117kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 40/40 00:00:03 4144kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 41/41 00:00:04 5290kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 42/42 00:00:06 7021kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 43/43 00:00:08 8877kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 44/44 00:00:10 11481kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 45/45 00:00:13 14423kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 46/46 00:00:16 18549kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 47/47 00:00:20 23001kN
(Blass, Tel-aviv 30.09.2001)
Deep Fritz can see it without null move pruning
New position
8/8/8/2p5/1pp5/brpp4/qpprpK1P/1nkbn3 w - - 0 1
Analysis by Deep Fritz:
1.Kxe1--
-+ (-40.34) Depth: 1/1 00:00:00
1.Kxe1--
-+ (-42.34) Depth: 1/2 00:00:00
1.Kxe1 Qa1
-+ (-42.28) Depth: 2/3 00:00:00
1.Kxe1 Qa1 2.h4
-+ (-42.12) Depth: 3/4 00:00:00
1.Kxe1 Qa1 2.h4 Qa2
-+ (-42.06) Depth: 4/7 00:00:00
1.Kxe1!
-+ (-41.72) Depth: 5/6 00:00:00
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1
-+ (-41.66) Depth: 6/9 00:00:00
1.Kxe1!
-+ (-41.34) Depth: 7/8 00:00:00
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2
-+ (-41.28) Depth: 8/12 00:00:00
1.Kxe1!
-+ (-40.91) Depth: 9/10 00:00:00 1kN
1.Kxe1!
-+ (-35.41) Depth: 10/11 00:00:00 1kN
1.Kxe1! Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q
-+ (-28.69) Depth: 10/12 00:00:00 1kN
1.Kxe1--
-+ (-31.09) Depth: 11/13 00:00:00 2kN
1.Kxe1--
-+ (-31.09) Depth: 11/13 00:00:00 2kN
1.Kxe1!
-+ (-29.56) Depth: 12/12 00:00:00 3kN
1.Kxe1--
-+ (-29.87) Depth: 13/17 00:00:00 6kN
1.Kxe1--
-+ (-29.87) Depth: 13/17 00:00:00 6kN
1.Kxe1!
-+ (-27.81) Depth: 14/16 00:00:00 9kN
1.Kxe1--
-+ (-29.81) Depth: 15/19 00:00:00 14kN
1.Kxe1--
-+ (-29.81) Depth: 15/19 00:00:00 14kN
1.Kxe1!
-+ (-28.31) Depth: 16/16 00:00:00 19kN
1.Kxe1! Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 16/19 00:00:00 21kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 17/23 00:00:00 29kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 18/21 00:00:00 43kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 19/25 00:00:00 58kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 20/24 00:00:00 81kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 21/27 00:00:00 107kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 22/26 00:00:00 149kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 23/28 00:00:00 195kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 24/29 00:00:00 268kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 25/30 00:00:00 348kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 26/31 00:00:00 476kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 27/31 00:00:00 614kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 28/33 00:00:01 840kN
1.Kxe1 Qa1 2.h4 Qa2 3.h5 Qa1 4.h6 Qa2 5.h7 Qa1 6.h8Q Qa2
= (0.00) Depth: 29/33 00:00:01 1085kN
1.Kxe1!
+- (#16) Depth: 30/35 00:00:01 1395kN
(Blass, Tel-aviv 30.09.2001)
Uri
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