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Subject: Re: Fritz 7 solves Nolot #5 in 7 hours

Author: Terry McCracken

Date: 20:14:50 05/24/02

Go up one level in this thread


On May 24, 2002 at 21:25:37, Joshua Lee wrote:

>On May 24, 2002 at 21:22:39, Joshua Lee wrote:
>
>>Pretty impressive seeing how it took fritz 6 nearly 19Hours
>>I will check out #3 #6 and #9 but i won't hold my breath.
>>1Ghz Athlon 200Mhz FSB 512MB PC133 CAS 2 256MB for Hash Tables.
>>I wonder how long this will take on an MP 2000+ with 333Mhz FSB or a 2.53Ghz P4.
>>
>>
>>Spassky,B - Petrosian,T
>>[D] r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - 0 1
>>
>>Analysis by Fritz 7:
>>
>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Rgf1 Qb6
>>  ²  (0.41)   Depth: 7/25   00:00:00  103kN
>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Bd5 Qb6 25.Qg6 Nxd5
>>  ²  (0.47)   Depth: 8/23   00:00:00  157kN
>>21.Nf3!
>>  ²  (0.50)   Depth: 8/25   00:00:00  319kN
>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qh5
>>  ²  (0.53)   Depth: 8/25   00:00:01  504kN
>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qd2 25.Nxf8+ Rxf8 26.Bxe6 Bxe6
>>  ²  (0.66)   Depth: 9/27   00:00:02  854kN
>>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kg8 24.Qxg5 hxg5 25.Rd1 Bc6 26.Nxf8 Kxf8 27.Rxd6
>>Bxe4
>>  ±  (0.72)   Depth: 10/27   00:00:04  1804kN
>>21.Nce2!
>>  ±  (0.75)   Depth: 10/27   00:00:05  2369kN
>>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Nc3 Rxc3 25.bxc3 Qb6
>>  ±  (0.81)   Depth: 10/27   00:00:06  2802kN
>>21.Nce2!
>>  ±  (1.09)   Depth: 11/32   00:00:14  6582kN
>>21.Nce2 g5 22.h4 g4 23.Nf4 e5 24.Nde6 Bxe6 25.Nxe6 Qe7 26.Rxf6 Qxf6 27.Qxg4
>>  ±  (1.06)   Depth: 12/33   00:00:30  14818kN
>>21.Nf3!
>>  ±  (1.09)   Depth: 12/33   00:00:41  20341kN
>>21.Nf3!
>>  ±  (1.25)   Depth: 12/33   00:00:49  24271kN
>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4
>>28.Qd2
>>  ±  (1.31)   Depth: 13/34   00:01:39  50333kN
>>21.Nf3 Ng8 22.Qg3 Rc8 23.Nh4 g5 24.Ng6+ Kg7 25.Nxf8 Rxf8 26.h4 Rxf1+ 27.Rxf1 Rc6
>>28.e5
>>  ±  (1.28)   Depth: 14/35   00:04:03  124459kN
>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4
>>28.Qd2
>>  ±  (1.34)   Depth: 15/40   00:15:18  477330kN
>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.h4 g4 26.Bxe6 h5 27.Bf5+ Kg7
>>28.Qd2
>>  ±  (1.34)   Depth: 16/41   00:31:20  984335kN
>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Bd7 26.Bf5+ Bxf5 27.Rxf5
>>Qe7
>>  ±  (1.28)   Depth: 17/42   00:59:23  1900289kN
>>21.Nf3!
>>  +-  (1.56)   Depth: 18/44   02:30:01  4806584kN
>>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.h4 g4 25.Nf4 Bg7 26.Nxe6 Qe7 27.Qf2
>>  +-  (1.56)   Depth: 19/47   06:13:53  12182535kN
>>21.e5!
>>  +-  (1.59)   Depth: 19/47   07:40:31  15026884kN
>>21.e5 dxe5 22.Ne4 Nh5 23.Qg4 Nf4 24.Nf3 Qc7 25.Nh4 Bc6 26.Rxf4 exf4 27.Ng6+
>>  +-  (1.72)   Depth: 19/47   09:14:54  18109538kN
>>21.e5!
>>  +-  (2.00)   Depth: 20/48   15:24:46  30334556kN
>>
>>(Lee, Pensacola,FL 24.05.2002)
>
>
>When i was writing this Fritz went to the next iteration?
>maybe someone can explain it for me
>Spassky,B - Petrosian,T
>r2qrb1k/1p1b2p1/p2ppn1p/8/3NP3/1BN5/PPP3QP/1K3RR1 w - - 0 1
>
>Analysis by Fritz 7:
>
>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Rgf1 Qb6
>  ²  (0.41)   Depth: 7/25   00:00:00  103kN
>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Bd5 Qb6 25.Qg6 Nxd5
>  ²  (0.47)   Depth: 8/23   00:00:00  157kN
>21.Nf3!
>  ²  (0.50)   Depth: 8/25   00:00:00  319kN
>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qh5
>  ²  (0.53)   Depth: 8/25   00:00:01  504kN
>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kh7 24.Qh3 Qd2 25.Nxf8+ Rxf8 26.Bxe6 Bxe6
>  ²  (0.66)   Depth: 9/27   00:00:02  854kN
>21.Nf3 Qa5 22.Nh4 Qg5 23.Ng6+ Kg8 24.Qxg5 hxg5 25.Rd1 Bc6 26.Nxf8 Kxf8 27.Rxd6
>Bxe4
>  ±  (0.72)   Depth: 10/27   00:00:04  1804kN
>21.Nce2!
>  ±  (0.75)   Depth: 10/27   00:00:05  2369kN
>21.Nce2 e5 22.Nf5 Bxf5 23.Rxf5 Rc8 24.Nc3 Rxc3 25.bxc3 Qb6
>  ±  (0.81)   Depth: 10/27   00:00:06  2802kN
>21.Nce2!
>  ±  (1.09)   Depth: 11/32   00:00:14  6582kN
>21.Nce2 g5 22.h4 g4 23.Nf4 e5 24.Nde6 Bxe6 25.Nxe6 Qe7 26.Rxf6 Qxf6 27.Qxg4
>  ±  (1.06)   Depth: 12/33   00:00:30  14818kN
>21.Nf3!
>  ±  (1.09)   Depth: 12/33   00:00:41  20341kN
>21.Nf3!
>  ±  (1.25)   Depth: 12/33   00:00:49  24271kN
>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4
>28.Qd2
>  ±  (1.31)   Depth: 13/34   00:01:39  50333kN
>21.Nf3 Ng8 22.Qg3 Rc8 23.Nh4 g5 24.Ng6+ Kg7 25.Nxf8 Rxf8 26.h4 Rxf1+ 27.Rxf1 Rc6
>28.e5
>  ±  (1.28)   Depth: 14/35   00:04:03  124459kN
>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Qe7 26.Bf5+ Kh8 27.h4 g4
>28.Qd2
>  ±  (1.34)   Depth: 15/40   00:15:18  477330kN
>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.h4 g4 26.Bxe6 h5 27.Bf5+ Kg7
>28.Qd2
>  ±  (1.34)   Depth: 16/41   00:31:20  984335kN
>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.Nxf8+ Rxf8 25.Bxe6 Bd7 26.Bf5+ Bxf5 27.Rxf5
>Qe7
>  ±  (1.28)   Depth: 17/42   00:59:23  1900289kN
>21.Nf3!
>  +-  (1.56)   Depth: 18/44   02:30:01  4806584kN
>21.Nf3 Bc6 22.Nh4 g5 23.Ng6+ Kh7 24.h4 g4 25.Nf4 Bg7 26.Nxe6 Qe7 27.Qf2
>  +-  (1.56)   Depth: 19/47   06:13:53  12182535kN
>21.e5!
>  +-  (1.59)   Depth: 19/47   07:40:31  15026884kN
>21.e5 dxe5 22.Ne4 Nh5 23.Qg4 Nf4 24.Nf3 Qc7 25.Nh4 Bc6 26.Rxf4 exf4 27.Ng6+
>  +-  (1.72)   Depth: 19/47   09:14:54  18109538kN
>21.e5!
>  +-  (2.00)   Depth: 20/48   15:24:46  30334556kN
>21.e5!
>  +-  (2.28)   Depth: 20/48   18:05:58  35621176kN
>
>(Lee, Pensacola,FL 24.05.2002)

I'm disappointed actually, as an experienced player, familiar with such setups
sees 21.e5! almost instantly!


An area where the "Chess Mind" remains superior to the machine.

Terry



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