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Subject: Re: Beautiful combination...Ortueta - Sanz, Madrid 1933

Author: William Kerr

Date: 15:49:15 10/23/03

Go up one level in this thread


On October 23, 2003 at 18:32:45, Mike Byrne wrote:

>On October 23, 2003 at 16:28:03, Darren Rushton wrote:
>
>>[D] 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - - 0 1
>>
>>1...Rxb2!! 2.Nxb2 c3 3.Rxb6 (or 3.Nd3 c4+ 4.Rxb6 cxd3 etc.) 3...c4! This move,
>>and the next, are not obvious at all. 4.Rb4 a5! (The crux of the combination
>>and, as Sanz later said, the most difficult move to find) 5.Nxc4 c2 and black
>>won in a few more moves.
>>
>>So does Fritzy find 1...Rxb2!! (very likely) but more importantly,
>>3...c4!
>>and 4...a5!
>>
>>let's see.
>>
>>Daz
>
>PCG 1.5 Dell Axim 400 16 Mhz (oc 600 Mhz) finds Rxb2 in 2:19 at node 12,442,531
>89,514 nps.
>
>btw  - this Axim 400 running at 600 Mhz is  a refurbished model!

amd = athlon 1.7 GHZ
all else P2 300 MHz
except sapphire II of course

ruffian1.0 1:58 0.48, 2:08 +2.08
yace 1:10 1.40, 2:20 1.80 13 ply
crafty 3:05
cm6k sel=10 35 min -2.08
pocket fritz 20 min no solve
uscf 7 min no solve
bringer 1:41 Rxb2 +1.34, 5:00 +2.14
crafty amd 6:42
ruffian 1.0.1 amd 16 sec
rebel10 15:26 0.24 Bd8, no solve
yacepdb 1:30 +1.30
sapphire ii 0:08, 10:00 -0.07, 2:38:00 0.84
cm9k 39:58 -1.96 Rxb2
fritz532 3:34  0.19 Bd8, 8:10 14/32 0.09 Bd8
cm9k 39:58 -1.96
cm9k amd 1.7 Ghz 4:04

Bill





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