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Subject: Re: test position -> The King : 18 sec !!!!

Author: Vincent Lejeune

Date: 09:52:35 08/19/04

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On August 19, 2004 at 12:07:10, Uri Blass wrote:

>On August 19, 2004 at 09:40:17, Vincent Lejeune wrote:
>
>>On August 19, 2004 at 06:57:16, Uri Blass wrote:
>>
>>>Fritz8 needs a very long time to find a known combination that was played by a
>>>19 year old player in 1929(neidorf sorry if I mispell his name)
>>>
>>>A3000 512 mbytes hash
>>>
>>>New game
>>>[D]r1b2rk1/pp1n2pp/2p1p3/3p1pNq/2PP1Pn1/3BP1P1/PP2N1Kb/R1BQ1R2 b - - 0 1
>>
>>10 min 39 sec for Shredder 8 on a Centrino 1.7 Ghz with 96 MB hash
>>
>>Analysis by Shredder 8:
[snip]
>>  -+  (-1.61)   Profondeur: 18/45   00:09:00  227555kN
>>1...Fg1 2.Cxg1 Dh2+ 3.Rf3 e5 4.fxe5 Cgxe5+ 5.dxe5 Cxe5+ 6.Rf4 Cg6+ 7.Rf3 f4
>>8.cxd5 Fg4+ 9.Re4 Fxd1 10.exf4
>>  -+  (-1.62)   Profondeur: 18/49   00:10:39  270392kN
>>1...Fg1 2.Cxg1 Dh2+ 3.Rf3 e5 4.fxe5 Cgxe5+ 5.dxe5 Cxe5+ 6.Rf4 Cg6+ 7.Rf3 f4
>>8.cxd5 Fg4+ 9.Re4 Fxd1 10.exf4 Dxg3 11.Txd1 cxd5+ 12.Rxd5 Cxf4+ 13.Fxf4 Dxf4
>>14.Cxh7 Tad8+ 15.Re6 b6
>>  -+  (-1.97)   Profondeur: 18/54   00:10:59  278849kN
>>1...Fg1 2.Cf3 Fxe3 3.Th1 De8 4.Db3 Cdf6 5.c5 De7 6.Tf1 Fxc1
>>  -+  (-2.18)   Profondeur: 18/60   01:08:21  1682962kN
>
>
>surprisingly it seems that my stupid engine with 64 mbytes hash is even faster
>than shredder8
>
>analysis by movei
>13 78 9818 58094801 d7f6 f1h1 f6e4 g5h3 h5h3 g2h3 e4f2 h3g2 f2d1 h1d1 d5c4 d3c4
>b7b5 c4d3 c8d7 c1d2
>13 78 16209 96719506 d7f6 f1h1 f6e4 g5h3 h5h3 g2h3 e4f2 h3g2 f2d1 h1d1 d5c4 d3c4
>b7b5 c4d3 c8d7 c1d2
>14 79 21146 126051576 d7f6 f1h1 f6e4 g5h3 f8f6 d3e4 f6h6 h3g5 f5e4 e2c3 c8d7
>d1b3 b7b6 c1d2
>14 80 40337 242656573 h2g1
>14 109 45581 273565382 h2g1
>14 170 75812 452747576 h2g1 g5f3 g1e3 f1h1 h5g6 d1b3 d5c4 d3c4 d7b6 f3e5 g4e5
>f4e5 f5f4 c1e3 f4e3
>14 170 76167 454958876 h2g1 g5f3 g1e3 f1h1 h5g6 d1b3 d5c4 d3c4 d7b6 f3e5 g4e5
>f4e5 f5f4 c1e3 f4e3
>
>Uri


The king show his high tactical ability : The King 3.33(sel.search=16), AMD
barton@3000+ , 64 MB hash

Time	Depth	Score	Positions	Moves
0:03	1/8	-0.72	860022		1...dxc4 2.Bxc4 Nb6 3.Bb3 Nd5 4.Qd3
					Bd7 5.Bd2 Rad8
0:08	1/9	-0.48	2243732		1...dxc4 2.Bxc4 Nb6 3.Bb3 Nd5 4.Qd3
					a5 5.Nc3 a4 6.Nxa4
0:18	1/9	-1.07	5029704		1...Bg1 2.Nf3 Bxe3 3.Rh1 Qg6 4.Qb3
					Ndf6 5.Bxe3 Nxe3+ 6.Kg1 dxc4 7.Bxc4
					Nxc4 8.Qxc4
0:24	1/10	-1.05	6704236		1...Bg1 2.Nf3 Bxe3 3.Rh1 Qg6 4.Qb3
					Ndf6 5.Bxf5 exf5 6.Bxe3 dxc4 7.Qxc4+
					Nd5
0:47	1/11	-0.99	13655858	1...Bg1 2.Nf3 Bxe3 3.Rh1 Nf2 4.Rxh5
					Nxd1 5.Nc3 Bxc1 6.Nxd1 Nf6 7.Rh1
					dxc4 8.Bxc4
1:45	1/12	-1.06	30415992	1...Bg1 2.Nf3 Bxe3 3.Rh1 Qg6 4.Qb3
					c5 5.cxd5 cxd4 6.Nh4 Qe8 7.dxe6 Nc5
4:39	1/13	-1.06	77767754	1...Bg1 2.Nf3 Bxe3 3.Rh1 Qe8 4.Qb3
					c5 5.cxd5 cxd4 6.Bb5 Nc5 7.Qc4
					Qe7 8.Nexd4



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