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Subject: no hardware get as deep as it needs to. (NT)

Author: Drexel,Michael

Date: 21:30:00 02/02/03

Go up one level in this thread


On February 02, 2003 at 15:09:38, Roy Brunjes wrote:

>On February 02, 2003 at 11:55:34, Kurt Utzinger wrote:
>
>>Kasparov,G - Deep Junior (variation after 25...f4 26.h3)
>>[D]2b2rk1/Rp5p/3p1qpQ/2nP4/2P1pp2/7P/P1RN1PP1/6K1 b - - 0 1
>>
>>Has indeed nobody investigated this position more deeply. Below the analysis of
>>Junior7 on P4 1.8/64 MB hash after a thinking time of 30 min. I begin to doubt
>>too if it is a draw after 26.h3
>>
>>Analysis by Junior 7:
>>
>>26...f3 27.Ra8 fxg2
>>  +-  (1.46)   Depth: 3   00:00:00
>>26...g5 27.Qxf6 Rxf6
>>  ±  (1.06)   Depth: 3   00:00:00
>>26...Bd7 27.Rc1
>>  ±  (0.95)   Depth: 3   00:00:00
>>26...Qa1+!
>>  ²  (0.34)   Depth: 3   00:00:00
>>  µ  (-1.11)   Depth: 22   00:28:24  1371305kN
>>
>>(Utzinger, MyTown 02.02.2003)
>
>Here is Fritz 8 analysis on my Athlon 700 MHz (128 MB Hashtables):
>
>New game
>2b2rk1/Rp5p/3p1qpQ/2nP4/2P1pp2/7P/P1RN1PP1/6K1 b - - 0 1
>
>Analysis by Fritz 8:
>
>1...Bf5!
>  =  (-0.22)   Depth: 6/24   00:00:00  114kN
>1...Bf5--
>  =  (0.06)   Depth: 7/28   00:00:00  118kN
>1...Bf5 2.Nb3 e3 3.Re2 Bd3 4.Nxc5 Bxe2
>  ²  (0.37)   Depth: 7/28   00:00:00  165kN
>1...Bf5 2.Nb3 e3 3.Re2 Bd3 4.Nxc5 Bxe2
>  ²  (0.37)   Depth: 8/20   00:00:00  218kN
>1...Qa1+!
>  ²  (0.34)   Depth: 8/26   00:00:01  254kN
>1...Qa1+!
>  =  (0.19)   Depth: 8/26   00:00:01  267kN
>1...Qa1+!
>  =  (-0.13)   Depth: 8/26   00:00:01  291kN
>1...Qa1+!
>  µ  (-0.75)   Depth: 8/26   00:00:01  374kN
>1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Qf6 6.Re2 Qh4 7.Qc3 Qf4+
>  µ  (-1.00)   Depth: 8/48   00:00:02  545kN
>1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Rxf1+ 5.Kh2 Rh1+ 6.Kg3 Re1 7.Re2 Rxe2
>8.Qxe2 Bd7 9.Ra8+
>  µ  (-1.09)   Depth: 9/29   00:00:03  769kN
>1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Bd7 6.Rc1 Qf5 7.Qg3 Ne4 8.Qh4
>Qe5+
>  µ  (-1.03)   Depth: 10/28   00:00:05  1251kN
>1...Qa1+ 2.Nf1 Qb1 3.Re2 e3 4.fxe3 fxe3 5.Kh2 Qxf1 6.Rxe3 Qc1 7.a3 Qxc4
>  µ  (-1.06)   Depth: 11/39   00:00:13  3864kN
>1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Bd7 6.Rc1 Qf5 7.Qg3 Qf6 8.Re1
>h6 9.Kh1
>  µ  (-0.94)   Depth: 12/38   00:00:24  7255kN
>1...Qa1+ 2.Nf1 Bd7 3.Qg5 e3 4.fxe3 fxe3 5.Kh2 Qxf1 6.Qxe3
>  µ  (-1.13)   Depth: 13/43   00:01:08  21210kN
>1...Qa1+!
>  -+  (-1.41)   Depth: 14/41   00:02:20  44101kN
>1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2
>Qe5+
>  µ  (-1.34)   Depth: 15/46   00:05:39  106832kN
>1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2
>Qe5+
>  µ  (-1.31)   Depth: 16/48   00:11:52  225311kN
>1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2
>Qe5+
>  µ  (-1.38)   Depth: 17/53   00:36:43  705510kN
>1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2
>Qe5+
>  -+  (-1.41)   Depth: 18/53   01:20:50  1580800kN
>
>(Brunjes, MyTown 02.02.2003)
>
>Fritz 8 does not see a draw just yet, but this was a rather complex position and
>this hardware doesn't get as deep as it might need to.
>
>Roy



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