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Subject: Re: Congratulations RYBKA on winning IPCCC, says forum's patzer A. Steen

Author: Uri Blass

Date: 04:50:34 12/30/05

Go up one level in this thread


On December 30, 2005 at 07:27:32, A. Steen wrote:

>Unlike most of the crowd, at all stages I was confident Rybka would not lose
>this game:

It seems that you have a lot of knowledge about Ikarus otherwise you could not
know that ikarus is going to blunder by a trade that is considered by human
knolwedge to be a good trade.

Note that not all programs implemented bonus for having 2 knights against a rook
and fruit for example does not have that bonus.

Analyzing with fruit2.2 Uri(history threshold=50) gives the following data

[D]1k2r1nr/pp6/2p1p1Rb/4Pp1R/3P1P2/2P1N2Q/qP5P/5N1K w - -

 10/26	 0:01 	+1.43 	31.Qg2 a5 32.Qc2 Qa1 33.Qb3 a4 34.Qb4 Qa2 35.Nd2 Qa1+
36.Rg1 (1.117.093) 630
 11/33	 0:03 	+1.45 	31.Qg2 Qb3 32.Qc2 Qb5 33.Rh3 a5 34.Nd2 a4 35.Ndc4 Rh7
36.Nd6 (2.089.330) 646
 12/33	 0:05 	+1.44 	31.Qg2 a5 32.Qc2 a4 33.Nd2 Qa1+ 34.Qb1 Qxb1+ 35.Nxb1 Rh7
36.Nd2 b5 37.Kg2 Kb7 38.h4 (3.400.894) 662
 13/41	 0:19 	+1.65 	31.Qg2 Qa4 32.Qc2 Qb5 33.Rh3 Rh7 34.b4 Rh8 35.Nd2 Qa6
36.Ndc4 Rh7 37.Rhg3 (12.912.758) 671
 14/41	 0:33 	+1.65 	31.Qg2 Qa4 32.Qc2 Qa6 33.Rh3 Qa2 34.Nd2 Qa1+ 35.Qb1 Qxb1+
36.Nxb1 Rh7 37.Nd2 a5 38.Rhg3 Rh8 39.Rh3 (22.600.987) 668
 15/41	 0:55 	+1.64 	31.Qg2 a5 32.Qc2 a4 33.Nd2 Re7 34.Nf3 Qa1+ 35.Rg1 Qa2
36.Rxg8+ Rxg8 37.Rxh6 Qa1+ 38.Nd1 Qa2 39.Ng5 c5 40.c4 (37.578.977) 678
 16/56	 4:17 	+1.81 	31.Qg2 Qb3 32.Qe2 Re7 33.Nc4 Qa2 34.Rh4 a6 35.Nfe3 Qb1+
36.Rg1 Qa2 37.Nd6 a5 38.Rxg8+ Rxg8 39.Rxh6 a4 40.Qd1 Qxb2 41.Qxa4 Qxc3
(171.864.091) 666
 17/56	 5:52 	+1.98 	31.Qg2 Qb3 32.Qe2 Re7 33.Rh3 Reh7 34.Qg2 Ne7 35.Rgxh6 Rxh6
36.Rxh6 Rxh6 37.Qg7 Rh4 38.Qxe7 Rh8 39.Qd6+ Ka8 40.Qd7 Qxb2 41.Qxe6
(236.169.572) 669
 18/59	10:29 	+2.05 	31.Qg2 Qa4 32.Qc2 Qa6 33.c4 Qa1 34.d5 cxd5 35.cxd5 exd5
36.Qg2 Qc1 37.Qxd5 Qb1 38.Qg2 Rf8 39.Nxf5 Rxf5 40.Rxf5 Qxf5 41.Rxg8+ Rxg8
42.Qxg8+ Bf8 (427.396.002) 678
 19/59	17:39 	+2.20 	31.Qg2 Qa4 32.Qc2 Qa6 33.c4 Qa1 34.Qg2 Qa4 35.Rh4 Qa1 36.d5
cxd5 37.cxd5 Qe1 38.Rh5 Qb4 39.dxe6 Qxf4 40.Rxf5 Qd4 (727.517.128) 686


Uri



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