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Subject: Re: Ikarus vs Rybka (Update Diagram again)

Author: Uri Blass

Date: 03:47:07 12/30/05

Go up one level in this thread


On December 30, 2005 at 06:39:59, Ryan B. wrote:

>On December 30, 2005 at 06:37:25, Gilles Garrigues wrote:
>
>>On December 30, 2005 at 06:34:11, Ryan B. wrote:
>>
>>>On December 30, 2005 at 06:27:05, Rick Hagen wrote:
>>>
>>>>On December 30, 2005 at 06:24:14, Günther Simon wrote:
>>>>
>>>>>On December 30, 2005 at 06:18:02, Rick Hagen wrote:
>>>>>
>>>>>>
>>>>>>[D]1k3rr1/pp6/2pR4/4Pp2/5P2/4N3/7P/5N1K b - - 0 38
>>>>>
>>>>>Still a tough task for Black even to save a draw here.
>>>>>f5 will fall and Blacks passers are hard to support
>>>>>and slower than Whites future passers.
>>>>>May be it is already dead lost, _if_ Black doesn't
>>>>>start running the a-pawn immediately?
>>>>>
>>>>>Guenther
>>>>
>>>>Consensus on Playchess is white screwed up...
>>>>
>>>>[D]1k1r2r1/1p6/2pR4/p3PN2/5P2/4N3/7P/7K b - - 0 40
>>>
>>>They are right, white should have won but now it will be a draw now.
>>
>>Well not an obvious draw. Deep Shredder 9 gives +1.5 for white !?
>
>Black could make a mistake but it should be a draw.  Shredder like any other
>program is just counting wood right now.

Note that white played h3 but shredder analysis showed score that is close to
draw

 14/28	 0:01 	+2.02 	45.f5 a2 46.Na1 Rg8+ 47.Kf1 Rh8 48.h3 (1.318.703) 686
 15/32	 0:03 	+1.78 	45.f5 a2 46.Na1 Rg8+ 47.Kf1 Rh8 48.Kg1 b5 (2.705.354) 698
 16/40	 0:09 	+1.76 	45.f5 a2 46.Na1 Rg8+ 47.Kf1 Rh8 48.Kg1 b5 49.Ne4 Kd7 50.Nc2
Ra8 (6.125.671) 633
 17/34	 0:15 	+1.51--	45.f5 a2 (9.669.022) 625
 17/39	 0:20 	+1.41 	45.f5 a2 46.h4 a1Q 47.Nxa1 Rxa1 48.f6 (12.389.322) 591
 17/39	 0:26 	+1.42++	45.Kf3 (15.841.969) 608
 17/39	 0:27 	+1.43 	45.Kf3 a2 46.Na1 Rh8 47.Kg3 Rg8+ 48.Kf2 (16.563.220) 607
 18/37	 0:43 	+1.18--	45.Kf3 a2 (26.639.720) 607
 18/37	 0:46 	+0.76 	45.Kf3 a2 46.Na1 Ra3+ 47.Ke2 b5 48.Kd2 Kd7 49.f5 Rh3 50.Ne4
Rxh2+ 51.Kc3 Rh1 52.Kb2 Rf1 53.f6 Ke6 54.Kxa2 Kxe5 (28.873.236) 615
 18/41	 0:49 	+0.77++	45.f5 (29.978.445) 606
 18/41	 0:50 	+1.12++	45.f5 (30.788.146) 606
 18/42	 0:53 	+1.20 	45.f5 a2 46.h4 a1Q 47.Nxa1 Rxa1 48.f6 Ra8 49.Ne4 Rh8 50.e6
b5 51.Kf3 b4 52.h5 b3 53.Nd2 (32.368.184) 603
 18/42	 1:00 	+1.21++	45.Ne4 (36.361.930) 596
 18/42	 1:02 	+1.21 	45.Ne4 a2 46.Na1 Kd7 47.Kf3 Ke6 48.h4 b5 49.h5 Rh8 50.Kg4
(37.272.369) 599
 18/42	 1:06 	+1.22++	45.Na1 (40.260.511) 604
 18/42	 1:09 	+1.22 	45.Na1 Rg8+ 46.Kf2 Rh8 47.Kg1 Rg8+ 48.Kf1 (42.051.575) 606
 18/42	 1:26 	+1.23++	45.h3 (51.202.391) 588
 18/42	 1:28 	+1.26 	45.h3 a2 46.Na1 b5 47.f5 Rg8+ 48.Kh2 Kd7 49.Ne4 Ke7 50.Kh1
b4 51.Kh2 Kf7 52.Nb3 (52.575.746) 591
 19/35	 1:35 	+1.01--	45.h3 a2 (56.904.670) 594
 19/42	 1:48 	+1.01 	45.h3 a2 46.Na1 b5 47.f5 Rg8+ 48.Kh2 Kd7 49.Ne4 Ke7 50.Kh1
b4 51.Nc5 (61.903.521) 571
 19/45	 1:54 	+1.02++	45.f5 (64.813.532) 565
 19/45	 1:58 	+1.02 	45.f5 a2 46.h4 b5 (67.120.802) 565
 19/45	 2:07 	+1.03++	45.Ne4 (71.096.713) 557
 19/45	 2:12 	+1.07 	45.Ne4 a2 46.Na1 Kd7 47.Ng5 (74.145.381) 560
 20/44	 3:06 	+0.82--	45.Ne4 a2 (103.400.073) 554
 20/44	 3:15 	+0.32--	45.Ne4 a2 (108.510.212) 555
 20/44	 3:28 	+0.10 	45.Ne4 a2 46.Na1 Ra4 47.Kf3 Rb4 48.Ke3 Rb1 (116.567.184)
558

After h3 a2

The position is

[D]r7/1pk5/2pN4/4P3/5P2/7P/p1N3K1/8 w - -

 17/36	 0:01 	+0.26--	46.Na1 b5 (1.073.565) 747
 17/36	 0:02 	+0.09 	46.Na1 Ra4 47.f5 Ra5 48.f6 Kd7 49.f7 (1.758.930) 765
 17/36	 0:02 	+0.51++	46.f5 b5 47.Na1 Rg8+ 48.Kf2 Rh8 49.Ne4 Rxh3 50.f6 Rh1
(1.786.344) 762
 17/36	 0:02 	+0.51 	46.f5 b5 47.Na1 Rg8+ 48.Kf2 Rh8 49.Ne4 Rxh3 50.f6 Rh1
(1.786.345) 762
 18/18	 0:03 	+0.51 	46.f5 b5 47.Na1 Rg8+ 48.Kf2 Rh8 49.Ne4 Rxh3 50.f6 Rh1
(2.467.359) 762
 19/41	 0:20 	+0.51 	46.f5 b5 47.Na1 Rg8+ 48.Kh2 Kd7 49.Ne4 Ke7 50.Nc5 Rd8
51.Ncb3 Rd5 52.Na5 c5 (8.744.050) 436
 20/44	 0:36 	+0.26--	46.f5 b5 (20.055.425) 546
 20/44	 0:42 	-0.24--	46.f5 b5 (24.079.509) 572



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