Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A test position.

Author: Roy Eassa

Date: 13:41:23 09/28/01

Go up one level in this thread


On September 28, 2001 at 15:58:48, Roy Eassa wrote:

>On September 28, 2001 at 15:38:29, Roy Eassa wrote:
>
>>On September 28, 2001 at 14:45:04, Mogens Larsen wrote:
>>
>>>An endgame position from Informator 80.
>>>
>>>[D]7k/6p1/p4p1p/2p5/1pPP4/1P3R1K/r7/B7 w - - bm dxc5; id "Gabdushev-Hasangatin,
>>>Bor 2000";
>>>
>>
>>
>>Gambit Tiger 2.0 on Athlon 1.2 sees the move as a draw in 38 seconds, as an
>>advantage in 1:13, and as a win in under 3 minutes:
>>
>>00:00:00.0	-0.41	10	134349	Rf1 cxd4 Bxd4 Rd2 Rf4 Rd3+ Kg4 Rxb3 c5 Kh7 c6 Kg6
>>
>>00:00:00.8	-0.42	11	286280	Rf1 cxd4 Bxd4 Rd2 Rf4 Rd3+ Kg4 Rxb3 c5 Kh7 c6 Kg6 c7
>>h5+ Kh4
>>
>>00:00:01.5	-0.34	12	658094	Rf1 cxd4 Bxd4 Rd2 Bg1 Rd3+ Kg4 Rxb3 Ra1 Rc3 c5 b3
>>Rxa6 b2 Rb6
>>
>>00:00:04.6	-0.30	13	1512375	Rf1 cxd4 Bxd4 Rd2 Rf4 Rd3+ Kg2 Kg8 Kf2 Rxb3 c5 Kf7
>>c6 Ke6 c7 Kd7
>>
>>00:00:10.0	-0.21	14	3726158	Rf1 cxd4 Bxd4 Rd2 Bc5 Rd3+ Kg4 Rxb3 Kf5 a5 Ra1 Rg3
>>Rxa5 b3 Ra8+ Kh7 Bd4
>>
>>00:00:26.8	-0.27	15	9328712	Rf1 cxd4 Bxd4 Rd2 Bc5 Rd3+ Kg4 Rxb3 Kf5 a5 Ra1 Rg3
>>Rxa5 b3 Ra8+ Kh7 Bd4 h5
>>
>>00:00:37.8	0.00	15	13331825	dxc5 Rxa1 Rd3 Ra5 Rd8+ Kh7 Rd5 Ra3 Rd3 Ra5 Rd5
>>
>>00:00:47.6	0.00	16	16625329	dxc5 Rxa1 Rd3 Ra5 Rd8+ Kh7 Rd5 Ra3 Rd3 Ra5 Rd5
>>
>>00:01:12.9	0.90	17	25628599	dxc5
>>
>>00:02:26.3	0.90	18	53705717	dxc5 Rxa1
>>
>>00:02:55.6	1.80	18	63993088	dxc5
>
>
>Fritz 6 takes longer to see the win:
>
>1.Rxf6-- gxf6
>  ³  (-0.53)   Depth: 1/4   00:00:00
>  -+  (-3.37)   Depth: 1/4   00:00:00
>1.dxc5! Rxa1
>  -+  (-2.31)   Depth: 1/4   00:00:00
>  -+  (-1.56)   Depth: 1/4   00:00:00
>1.Rf5! Rxa1 2.Rxc5
>  µ  (-1.22)   Depth: 1/4   00:00:00
>  µ  (-1.12)   Depth: 1/4   00:00:00
>1.Rf1 cxd4 2.Bxd4 Rd2 3.Bxf6 gxf6 4.Rxf6 Rd3+ 5.Kg4 Kg7
>  =  (-0.03)   Depth: 1/4   00:00:00
>  µ  (-0.87)   Depth: 14/28   00:00:05  4909kN
>1.dxc5! Rxa1 2.Rd3 Ra5 3.Rd5 Ra3 4.c6 Rxb3+ 5.Kg2 Rc3
>  µ  (-0.84)   Depth: 14/28   00:00:08  7963kN
>  +-  (1.72)   Depth: 19/40   00:06:12  366069kN


It took Junior 6 MUCH longer:

1.Rf1 cxd4 2.c5 Kh7 3.Kg4 d3 4.Rd1 a5 5.Bd4 a4 6.bxa4 Rxa4 7.Rxd3 Kg6 8.Rb3
  ²  (0.31)   Depth: 6   00:00:00
  ²  (0.33)   Depth: 23   00:10:19  607460kN
1.dxc5! Re2 2.Rd3 Re8 3.Rd7 Rc8 4.Bd4 Kg8
  ²  (0.65)   Depth: 23   00:11:55  689992kN
  +-  (2.37)   Depth: 23   00:29:17  1801448kN



This page took 0 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.