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Subject: Re: Shredder blind? Deep Fritz is blind to Rxb3 also.

Author: Günter Müller

Date: 08:51:35 08/13/01

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On August 13, 2001 at 11:20:42, Harald Faber wrote:

>On August 13, 2001 at 08:01:32, K. Burcham wrote:
>
>>I could not get deep fritz to see Rxb3.
>
>In which time?
>>
>>shredder5 sees Rxb3 in 4 minutes.
>
>On which hardware? Shredder 5 or Shredder 5.32? Take back the Nb3 to c5, what
>happens?
>>
>>
>>kburcham


Hi

PIII 800Mhz hash=256MB
1rb4r/2p3k1/3b4/4pp2/P1P1P1p1/1N1N2Pq/1PQ3R1/4R1K1 b - - 0 1

Analysis by Shredder 5.32:

1...Bb7 2.Nf2 Qh6 3.c5 Be7 4.Na5 Ba8 5.c6 Bb4
  ²  (0.54)   Depth: 9/18   00:00:04  765kN
1...fxe4 2.Nf2 Qh6 3.Qc3 Rf8 4.Rxe4 Rf3 5.Nd3 Be6
  ²  (0.53)   Depth: 9/18   00:00:06  1087kN
1...fxe4 2.Nf2 Qh6 3.c5 e3 4.cxd6 exf2+ 5.Kxf2 Rf8+ 6.Kg1 Qh1+ 7.Kxh1 Rf1+
8.Rxf1
  ²  (0.53)   Depth: 9/18   00:00:07  1144kN
1...fxe4 2.Nf2 Qh6 3.c5 e3 4.cxd6 exf2+ 5.Kxf2 Rf8+ 6.Kg1 Qh1+ 7.Kxh1 Rf1+
8.Rxf1
  ±  (0.78)   Depth: 10/20   00:00:12  2111kN
1...fxe4 2.Nf2 Qh5 3.c5 Be7 4.Na5 Bd7 5.c6 Be6 6.Nc4 Bd5
  ±  (0.86)   Depth: 10/20   00:00:15  2549kN
1...Bb7 2.Nf2 Qh6 3.c5 Be7 4.Na5 Ba8 5.Nxg4 Qh1+ 6.Kf2 Bxe4 7.Rxh1 Bxc2 8.Rxh8
Rxh8 9.Nxe5 Bxa4
  ±  (0.85)   Depth: 10/20   00:00:17  2863kN
1...Bb7 2.Nf2 Qh6 3.c5 Be7 4.Na5 Ba8 5.Qc3 Qf6 6.Nc4 Kh7 7.Qxe5 Qxe5 8.Nxe5
  ±  (0.85)   Depth: 10/20   00:00:21  3505kN
1...Qh1+ 2.Kf2 Qh5 3.c5 fxe4 4.Rxe4 Rf8+ 5.Ke3 Bf5 6.Rf2 Bxe4 7.Rxf8
  ±  (0.84)   Depth: 10/20   00:00:27  4540kN
1...Qh1+ 2.Kf2 Qh5 3.c5 fxe4 4.Rxe4 Rxb3 5.Qxb3 Qf5+ 6.Nf4 Bxc5+ 7.Ke2 exf4
8.gxf4 Qxe4+ 9.Qe3 Bxe3
  ²  (0.49)   Depth: 10/20   00:00:35  5862kN
1...Qh1+ 2.Kf2 Qh5 3.Ke2 f4 4.Kd1 f3 5.Rgg1 Rd8 6.Nxe5 Bxe5+ 7.Kc1
  ²  (0.34)   Depth: 10/20   00:01:21  13297kN
1...f4 2.Nf2 Qh5 3.gxf4 exf4 4.c5 Be5 5.Nxg4 Qh1+ 6.Kf2 Qh4+ 7.Kf3 Rxb3+ 8.Ke2
  ²  (0.33)   Depth: 10/20   00:01:40  16237kN
1...f4 2.Nf2 Qh5 3.gxf4 exf4 4.c5 Be5 5.Nxg4 Qh1+ 6.Kf2 Qh4+ 7.Kf3 Rxb3+ 8.Qd3
Rxd3+ 9.Re3 fxe3
  =  (-0.02)   Depth: 10/20   00:01:52  18368kN
1...f4 2.Nf2 Qh5 3.Kf1 f3 4.Rg1 Qh2 5.Qc3 Rd8 6.Nc5 Kf8 7.b4
  µ  (-0.83)   Depth: 10/20   00:03:00  29388kN
1...f4 2.Nf2 Qh5 3.Kf1 f3 4.Rg1 Qh2 5.Rd1 Rh3 6.Qc3 Rxg3 7.Rxg3 Qxg3 8.Ke1
  µ  (-0.73)   Depth: 11/22   00:04:13  41607kN
1...f4 2.Nf2 Qh5 3.Kf1 f3 4.Rg1 Qh2 5.Rd1 Rf8 6.Nc1 Bc5 7.Ncd3 Bb7 8.Nxe5
  µ  (-0.89)   Depth: 12/24   00:08:39  87645kN

1...Rxb3 2.Qxb3 fxe4 3.Nf2 Bc5 4.Kf1 Rf8 5.Re2 e3 6.Rxe3 Qh1+ 7.Ke2 Qxg2 8.Rxe5
  µ  (-0.90)   Depth: 12/24   00:09:28  96432kN
1...Rxb3 2.Qxb3 fxe4 3.Nf2 Bc5 4.Kf1 Rf8 5.Re2 e3 6.Rxe3 Qh1+ 7.Ke2 Qxg2 8.Rxe5
Rxf2+ 9.Kd1 Bb7 10.Rxc5 Rxb2 11.Rxc7+ Kf6 12.Qc3+
  µ  (-1.25)   Depth: 12/24   00:09:35  97928kN

(, home 13.08.2001)
MfG
Günter



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