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Subject: Re: Positional move for the amateurs (Hiarcs 9)

Author: Uri Blass

Date: 14:07:05 07/30/04

Go up one level in this thread


On July 30, 2004 at 16:25:37, Uri Blass wrote:

>On July 30, 2004 at 16:17:57, Kurt Utzinger wrote:
>
>>On July 30, 2004 at 16:09:46, Drexel,Michael wrote:
>>
>>>On July 30, 2004 at 14:07:15, Kurt Utzinger wrote:
>>>
>>>>No chance for Hiarcs 9 to find 17...Rc4!
>>>
>>>Neue Partie,
>>>2q2rk1/p1rn1ppp/1p2pn2/8/Q2P4/2P2N2/P2B1PPP/2RR2K1 b - - 0 1
>>>
>>>Analysis by Hiarcs 9:
>>>
>>>1...Sd5 2.Dc2
>>>  =  (0.22)   Tiefe: 1/13   00:00:00
>>>1...Sd5 2.Dc2
>>>  ²  (0.59)   Tiefe: 2/13   00:00:00
>>>1...Sd5 2.c4
>>>  ²  (0.59)   Tiefe: 2/13   00:00:00
>>>1...Se4 2.Dc2 Sxd2
>>>  ²  (0.52)   Tiefe: 2/13   00:00:00
>>>1...Se4 2.c4
>>>  ²  (0.52)   Tiefe: 2/13   00:00:00
>>>1...Td8
>>>  ²  (0.52)   Tiefe: 2/13   00:00:00
>>>1...Td8 2.c4
>>>  ²  (0.52)   Tiefe: 2/13   00:00:00
>>>1...Td8 2.c4 Sf8
>>>  ²  (0.56)   Tiefe: 3/13   00:00:00
>>>1...Se4 2.c4
>>>  ²  (0.52)   Tiefe: 3/13   00:00:00
>>>1...Se4 2.c4
>>>  ²  (0.27)   Tiefe: 3/13   00:00:00
>>>1...Se4 2.Dc2 Sdf6
>>>  =  (0.18)   Tiefe: 3/13   00:00:00
>>>1...Se4 2.Dc2 Sxd2 3.Dxd2
>>>  =  (0.23)   Tiefe: 4/13   00:00:00
>>>1...Se4 2.c4 Sd6 3.Lf4 Txc4 4.Dxa7
>>>  =  (0.16)   Tiefe: 5/13   00:00:00  4kN
>>>1...Se4 2.c4 Sd6 3.Lf4 Txc4 4.Dxa7
>>>  =  (0.16)   Tiefe: 6/15   00:00:00  18kN
>>>1...Se4 2.Dc2 Sxd2 3.Sxd2 e5 4.Sf3 exd4 5.Sxd4
>>>  =  (0.16)   Tiefe: 7/16   00:00:00  57kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tdd1 Tfc8
>>>  ²  (0.27)   Tiefe: 8/18   00:00:00  170kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tdd1 Tfc8 5.Te1 Sf6 6.Dc2
>>>  ²  (0.26)   Tiefe: 9/21   00:00:01  427kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tcc2 Tfc8 5.Te2 Sf6
>>>  =  (0.20)   Tiefe: 10/22   00:00:02  1130kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tdc2 Tfc8 5.Db5 De4 6.a4
>>>  =  (0.14)   Tiefe: 11/25   00:00:07  3014kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tdc2 Tfc8 5.Db5 De4 6.a4 Dd3
>>>  =  (0.16)   Tiefe: 12/27   00:00:21  7762kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 Db7 4.Tdc2 Tfc8 5.Db5 De4 6.a4 Dd3 7.Td2 De4
>>>  =  (0.16)   Tiefe: 13/35   00:01:04  22303kN
>>>1...Se4 2.c4 Sxd2 3.Txd2 a6 4.Dc2 Db7 5.Sg5 Sf6
>>>  =  (0.15)   Tiefe: 14/37   00:02:47  56539kN
>>>1...Tc4 2.Dxa7
>>>  =  (0.14)   Tiefe: 14/38   00:04:37  91883kN
>>>1...Tc4 2.Dxa7 Dc6 3.Da3 Ta8 4.Db3 Tc8
>>>  =  (0.14)   Tiefe: 14/38   00:04:39  92695kN
>>>
>>>(Drexel,  30.07.2004)
>>
>>     Hi Michael
>>     What's this. I let Hiarcs 9 search up to
>>     depth 15 without success whilst your engine
>>     finds the move one ply earlier??
>>     Kurt
>>
>>Analysis by Hiarcs 9: (Duron 1.3/64 MB hash)
>>
>>17...Se4 18.c4 Sxd2 19.Txd2 Db7 20.Db3 Tfc8 21.Te2 a6 22.a4 b5 23.axb5 axb5
>>24.c5
>>  =  (0.17)   Depth: 8/10   00:00:00
>>  =  (0.16)   Depth: 15/38   00:23:13  232097kN
>
>Maybe differen hash.
>
>difference in the score was only 0.01 pawns
>
>My fritz8(512 mbytes hash on A3000) finds it and lose it so do not be too happy
>if some engine finds it because it may lose it in the next ply and I am not
>concinced that Rc4 is the best move and the only best move.
>
>New game
>[D]2q2rk1/p1rn1ppp/1p2pn2/8/Q2P4/2P2N2/P2B1PPP/2RR2K1 b - - 0 1
>
>Analysis by Fritz 8:
>
>1...Rd8 2.c4 Qa8 3.Bf4 Rcc8 4.Bg5 a6
>  =  (0.03)   Depth: 7/20   00:00:00  39kN
>1...Ne4!
>  =  (0.00)   Depth: 7/20   00:00:00  53kN
>1...Ne4 2.c4 Nxd2 3.Rxd2 Rd8 4.Qb5 Nf6 5.c5 Nd5
>  =  (0.00)   Depth: 8/21   00:00:00  124kN
>1...Ne4 2.c4 Nxd2 3.Rxd2 Rd8 4.Qb5 Nf6 5.c5 bxc5 6.dxc5 Nd5
>  =  (0.00)   Depth: 9/21   00:00:00  276kN
>1...Ne4 2.c4 Nxd2 3.Rxd2 Rd8 4.Qb5 Nf6 5.c5 bxc5 6.dxc5 Rxd2 7.Nxd2 Rc6
>  =  (-0.03)   Depth: 10/26   00:00:00  754kN
>1...Ne4 2.c4 Nxd2 3.Nxd2 e5 4.Ne4 exd4 5.Rxd4 f5 6.Nd6 Nc5 7.Nxc8 Nxa4
>  =  (0.00)   Depth: 11/26   00:00:01  1898kN
>1...Rd8!
>  =  (-0.03)   Depth: 11/26   00:00:02  3057kN
>1...Rd8 2.c4 Qb7 3.Bf4 Rcc8 4.Re1 Ne4 5.Qb3 Ndf6 6.c5 Qc6 7.Ne5
>  =  (0.03)   Depth: 12/26   00:00:04  5226kN
>1...Ne4!
>  =  (0.00)   Depth: 12/30   00:00:05  6436kN
>1...Ne4 2.c4 Nxd2 3.Rxd2 Rd8 4.Qb3 Qa8 5.Qe3 Rdc8 6.Qe2 Nf6 7.Ne5 Qe4 8.Qe3 Qd5
>9.Re2
>  =  (0.06)   Depth: 13/30   00:00:15  18522kN
>1...Rd8!
>  =  (0.03)   Depth: 13/32   00:00:19  23653kN
>1...Rd8 2.c4 Qb7 3.Bf4 Rcc8 4.Re1 Ne4 5.Ng5 Nxg5 6.Bxg5 Re8 7.Bf4 Red8 8.Qb5 Qc6
>9.Qxc6
>  =  (0.06)   Depth: 14/30   00:00:32  40874kN
>1...Ne4!
>  =  (0.03)   Depth: 14/32   00:00:35  45338kN
>1...Rc4!
>  =  (0.00)   Depth: 14/35   00:00:46  61394kN
>1...Rc4 2.Qxa7 Qc6 3.Qa3 Ra4 4.Qb3 Rfa8 5.Rc2 Ra3 6.Qb1 Qc4 7.Bf4 b5 8.Nd2 Qd5
>  =  (-0.03)   Depth: 15/31   00:01:08  91502kN
>1...Rc4 2.Qxa7 Qc6 3.Qa3 Ra4 4.Qb3 Rfa8 5.c4 Rxa2 6.Ne5 Nxe5 7.dxe5 Ng4 8.Qg3
>Qe4 9.Re1 Qg6
>  =  (-0.06)   Depth: 16/42   00:01:51  152269kN
>1...Rc4 2.Qxa7 Qc6 3.Qa3 Ra4 4.Qb3 Rfa8 5.c4 Rxa2 6.Ne5 Nxe5 7.dxe5 Ng4 8.Qg3
>Qe4 9.Re1 Qd4 10.Be3
>  =  (-0.06)   Depth: 17/38   00:03:22  281385kN
>1...Rc4 2.Qxa7 Qc6 3.Qa3 Ne4 4.Ne5 Nxe5 5.dxe5 Qc7 6.Qb3 Rb8 7.Be3 b5 8.Rd4 Rxc3
>9.Qb1 Rxc1+
>  =  (-0.03)   Depth: 18/43   00:10:12  849851kN
>1...Ne4!
>  =  (-0.06)   Depth: 18/43   00:16:32  1383204kN
>
>(, MyTown 30.07.2004)
>
>Uri

Fritz still prefers Ne4 at depth 19
1...Ne4 2.c4 Nxd2 3.Rxd2 Rd8 4.Qb3 Rc6 5.a4 Qc7 6.Qb5 Rb8 7.Rdc2 a6 8.Qg5 Rc8
  =  (-0.06)   Depth: 19/46   00:50:59  4304990kN

(, MyTown 31.07.2004)

Uti



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