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Subject: Re: Interesting game Fritz7 vs Shredder 6

Author: Chessfun

Date: 14:33:53 02/09/02

Go up one level in this thread


On February 09, 2002 at 16:39:39, Uri Blass wrote:

>On February 09, 2002 at 15:49:43, pavel wrote:
>
>>
>>
>>Fritz 7 (2500) - Shredder 6 (2500)
>>Pavel Mahamood, 120'/40+60'/20+30' home (3), 09.02.2002
>>
>>W=14.7 ply; 527kN/s
>>B=13.8 ply; 221kN/s
>> 1.Nf3 Nf6 2.d4 e6 3.c4 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Qc2 Nxc3 8.bxc3 Both
>>last book move 8...Nd7  0.00/15  4:27  9.e4  0.06/14  4:23  c5  0.11/14  5:27
>>10.Bd3  0.06/13  3:27  Rc8 (Qc7)  0.12/13  2:35  11.Qe2  0.16/14  4:09  Be7
>>0.03/14  3:31  12.Bf4 (0-0)  0.22/14  3:32  12...cxd4 (0-0)  0.07/13  3:15
>>13.cxd4  0.34/15  6:37  e5 (0-0)  0.01/13  2:44  14.Nxe5  0.69/14  3:08  Nxe5
>>0.00/13  2:49  15.dxe5 (Bxe5)  0.66/14  2:47  15...0-0  0.01/15  5:26  16.0-0
>>0.69/14  3:22  Rc3 (Qd4)  -0.03/14  7:25  17.Rfd1 (Ba6)  0.69/14  4:26
>>17...Rxa3 (Qd4)  -0.27/13  53  18.Rxa3  0.66/14  4:00  Bxa3  -0.24/12  23
>>19.Qf3 (Ra1)  0.53/14  6:23  19...Qc8  -0.78/13  2:47  20.Qg3 (Bf1)  0.38/13
>>3:07  20...Rd8  -0.84/14  5:13  21.Bg5  0.06/14  5:19  Rd7 (Rd4)  -1.06/14  5:52
>> 22.Rf1 (Qg4)  0.16/13  3:28  22...Rd4  -1.22/14  8:53  23.Be2  0.00/14  6:18
>>Rxe4  -1.25/12  55  24.Bf3  0.00/14  3:11  Ra4  -1.18/11  23  25.Bd1  -0.28/14
>>7:16  Ra5  -1.47/12  1:51  26.Bg4  -0.28/13  4:52  Qf8 (Qc2)  -1.31/12  4:26
>>27.Bf5 (Be3)  -0.25/12  2:19  27...Bc5 (Bb2)  -1.27/11  3:09  28.Rd1 (e6)
>>-0.31/12  2:11  28...Qe8 (Ra3)  -1.20/11  6:56  29.h3 (Bb1)  -0.22/13  6:45
>>29...Bf8  -1.53/12  3:14  30.Bf6 (Bf4)  0.00/13  2:29  30...Rd5  -1.51/12  2:49
>>31.Ra1 (Re1)  -0.22/12  2:08  31...a5  -1.62/12  3:40  32.Be4  -0.41/13  3:17
>>Rd7  -1.53/11  12  33.Bf5  -0.44/14  3:58  Rd2  -1.53/12  4:28  34.Rc1  -0.53/13
>> 6:19  Bc6  -1.30/11  4:10  35.Bg5 (Qc3)  -0.53/12  1:54  35...Rd5  -1.99/13
>>4:31  36.Bf6 (Bf4)  -0.69/13  3:00  36...Rc5  -2.06/12  2:31  37.Rd1  -0.69/13
>>1:37  Bd5  -2.14/11  17  38.Qh4 (Bg5)  -0.62/12  1:39  38...h6  -2.66/12  27
>>39.Rd3 (Qg4)  -0.66/12  49  39...g6  -2.00/12  4:18  40.Qg4  -0.66/12  57  Bg7
>>(b5)  -2.16/13  3:49  41.Bd7  -0.53/14  3:38  Qb8  -2.16/12  2:27  42.Qf4 (Bxg7)
>> -0.47/14  4:53  42...Bf8 (g5)  -2.01/12  3:56  43.Qd2 (Bc6)  -0.53/13  3:28
>>43...Qb7  -1.90/13  4:52  44.Ba4  -0.69/13  2:03  Kh7  -1.98/12  2:49  45.h4
>>(Bb3)  -0.81/14  6:25  45...b5  -2.22/13  3:19  46.Bd1  -0.97/14  3:16  a4
>>-1.98/13  7:50  47.h5  -1.16/13  5:44  g5 (Be6)  -1.47/13  8:31  48.Bc2 (f4)
>>0.00/13  2:47  48...Kg8  0.01/12  3:31  49.Rg3  0.00/15  4:11  Rxc2  0.01/12
>>2:13  50.Qxc2 (Rxg5+)  0.00/14  42  50...b4  -0.25/12  4:42  51.Qc1  0.00/14
>>3:17  Be7 (b3)  -0.01/12  3:04  52.Bxe7  0.47/14  2:09  Qxe7  -0.01/11  10
>>53.Qd1 (f4)  0.03/14  3:45  53...Bc6 (Qc5)  -0.73/13  2:05  54.Qd4 (f4)  0.22/13
>> 1:31  54...b3  -0.83/13  1:03  55.Rd3  -0.06/13  1:56  Qd7  -4.25/15  2:38
>>56.Qxd7  -3.91/16  1:54  Bxd7  -4.53/17  1:34  57.Rxd7  -4.47/18  1:49  a3
>>-4.81/17  2:16  58.Kh2  -4.72/18  2:54  a2  -4.92/17  2:15  59.Ra7  -4.91/18
>>2:22  b2  -4.79/14  28  60.Rxa2 (e6)  -5.16/17  1:18  60...b1Q  -4.93/13  12
>>61.Re2 (Ra4)  -4.97/15  40  61...Qf1  -5.28/15  1:09  62.Ra2  -5.28/16  57  Qc4
>>(Qe1)  -5.32/16  55  63.Ra5 (Ra1)  -5.22/15  42  63...Qd4  -5.57/15  1:12
>>64.Ra8+ (Ra2)  -5.44/15  1:36  64...Kg7  -5.61/15  1:28  65.Ra2 (f3)  -5.50/15
>>48  65...Qxe5+  -5.76/13  4  66.Kg1 (g3)  -5.59/16  43  66...Qd4  -5.96/15  37
>>67.Kh2  -5.72/16  53  Qg4 (Qd6+)  -5.99/15  42  68.Ra1  -5.72/16  35  Qxh5+
>>-6.10/15  10  69.Kg1  -5.94/17  38  Qe2  -6.16/16  28  70.Rc1  -6.03/15  38  Kf6
>>(f5)  -6.16/15  1:19  71.Ra1 (Rb1)  -6.03/15  1:12  71...h5 (Ke5)  -6.53/14  38
>>72.g3 (Rc1)  -6.12/14  58  72...h4 (Qe7)  -7.67/14  38  73.gxh4  -6.91/14  34
>>gxh4  -7.30/13  37  74.Ra3  -6.81/14  29  Qg4+  -7.93/14  41  75.Kh2  -7.59/15
>>44  Qc4 (Qf4+)  -7.93/14  1:08  76.Re3 (Rf3+)  -7.41/13  26  0-1
>>
>>
>>Throughout the game Shredder 6's eval was more or less consistent, but fritz7
>>really didn't think it was in trouble until move 55.
>
>Fritz7 simply blundered at move 55
>
>Here is Deep Fritz's analysis(p800 48 mbytes hash 11 minutes of search):
>
>Deep Fritz needs depth 14 to find that 55.Rd3 is bad
>
>
>New game - Crafty 18.12
>[D]6k1/4qp2/2b4p/4P1pP/p2Q4/1p4R1/5PP1/6K1 w - - 0 1
>
>Analysis by Deep Fritz:
>
>55.Rxb3--
>  ³  (-0.34)   Depth: 1/2   00:00:00
>55.Rxb3-- axb3
>  -+  (-3.62)   Depth: 1/3   00:00:00
>55.Rd3!
>  -+  (-2.34)   Depth: 1/3   00:00:00
>55.Rd3!
>  ²  (0.34)   Depth: 1/3   00:00:00
>55.Rd3 Qe6 56.Qd8+ Kg7
>  ²  (0.38)   Depth: 2/7   00:00:00
>55.Rd3 Qe6 56.Qb2
>  ²  (0.41)   Depth: 3/7   00:00:00
>55.Rd3 Qe6 56.Qb2 Bd5
>  ²  (0.38)   Depth: 4/10   00:00:00  1kN
>55.Rd3 Bb5 56.Re3 Qe6 57.Qb2
>  ²  (0.28)   Depth: 5/15   00:00:00  6kN
>55.f4!
>  ²  (0.31)   Depth: 5/17   00:00:00  12kN
>55.f4! Qe6 56.fxg5 hxg5 57.Qd8+ Kh7
>  ²  (0.38)   Depth: 5/17   00:00:00  15kN
>55.f4 Qd7 56.Qxd7 Bxd7 57.fxg5 hxg5 58.Rxg5+ Kh7 59.Rg3 Be6
>  =  (0.16)   Depth: 6/18   00:00:00  26kN
>55.Rd3!
>  =  (0.19)   Depth: 6/18   00:00:00  32kN
>55.Rd3! Bb5 56.Re3 Qe6 57.Qb2 Bc6
>  =  (0.25)   Depth: 6/18   00:00:00  35kN
>55.Rd3 Bb5 56.Re3 Qe6 57.Qb2 Qg4 58.Rh3
>  =  (0.25)   Depth: 7/18   00:00:00  54kN
>55.Rd3 Bb5 56.Re3 Qe6 57.Qb2 Qg4 58.Rh3 Qf4
>  =  (0.22)   Depth: 8/19   00:00:00  147kN
>55.Rd3 Bb5 56.Re3 Qd7 57.Qb4 Bc6 58.Re1 Qe6 59.Rc1
>  =  (0.22)   Depth: 9/23   00:00:00  467kN
>55.Rd3 Bb5 56.Rd2 a3 57.Qd5 Qb4 58.e6 Bc6 59.Qd8+ Kg7 60.e7
>  =  (0.22)   Depth: 10/25   00:00:01  1022kN
>55.Rd3 Bb5 56.Re3 Qd7 57.Qb4 Bc6 58.Re1 Qd5 59.f3 Qe6 60.Rc1
>  =  (0.19)   Depth: 11/27   00:00:07  4469kN
>55.Rd3 Bb5 56.Re3 Qe6 57.Qd8+ Kg7 58.Qa5 Bc6 59.Qc3 Kh7
>  =  (0.16)   Depth: 12/28   00:00:13  8318kN
>55.Rd3 Bb5 56.Re3 Qe6 57.Qd8+ Kg7 58.Qa5 Qd5 59.Qc3 Qd1+ 60.Re1 Qxh5
>  =  (0.09)   Depth: 13/33   00:00:29  18241kN
>55.Rd3--
>  =  (-0.22)   Depth: 14/33   00:01:32  58320kN
>55.Rd3-- Qd7 56.Qxd7 Bxd7 57.Rxd7 b2 58.Rb7 a3 59.e6 a2 60.exf7+ Kf8
>  µ  (-0.81)   Depth: 14/33   00:01:36  60870kN
>55.Kh2!
>  µ  (-0.78)   Depth: 14/35   00:06:03  239784kN
>
>(Blass, Tel-aviv 09.02.2002)


Fritz 7 006 on a TB 1200 with 256mb hash.

New position
6k1/4qp2/2b4p/4P1pP/p2Q4/1p4R1/5PP1/6K1 w - - 0 1

Analysis by Fritz 7:

1.f4!
  ²  (0.41)   Depth: 7/20   00:00:00  168kN
1.f4 Kh7 2.fxg5 hxg5 3.Qc3 Be4 4.Qb2 f5 5.Re3
  ²  (0.38)   Depth: 8/22   00:00:00  409kN
1.Rd3!
  ²  (0.41)   Depth: 8/22   00:00:00  471kN
1.Rd3! Bb5 2.Re3 Qd7 3.Qb4 Bc6
  ²  (0.44)   Depth: 8/22   00:00:01  512kN
1.Rd3 Bb5 2.Re3 Qe6 3.Re1 f6 4.Qa1 fxe5 5.Rxe5 Qf6
  ²  (0.44)   Depth: 9/23   00:00:01  771kN
1.Rd3 Bb5 2.Re3 Bc6 3.Qa1 Qd8 4.Rg3 Qd2 5.Rc3 Qa2 6.Qxa2
  ²  (0.38)   Depth: 10/26   00:00:03  1574kN
1.Rd3 Bb5 2.Re3 Qd7 3.Qb4 Bc6 4.f3 g4 5.fxg4 Qd1+ 6.Re1
  =  (0.22)   Depth: 11/27   00:00:07  3517kN
1.Rd3 Bb5 2.Re3 Qd7 3.Qb4 Bc6 4.Re1 Qe6 5.f3 f6 6.exf6 Qxf6 7.Rb1
  ²  (0.28)   Depth: 12/30   00:00:19  10260kN
1.Rd3--
  =  (0.00)   Depth: 13/34   00:00:38  18246kN
1.Rd3-- Qd7 2.Qxd7 Bxd7 3.Rxd7 b2 4.Rd1 a3 5.e6 fxe6 6.Rd8+ Kg7 7.Rd7+ Kf6 8.Rd1
  -+  (-1.53)   Depth: 13/34   00:00:40  19013kN
1.f4!
  -+  (-1.50)   Depth: 13/34   00:00:51  24557kN
1.f4!
  µ  (-1.34)   Depth: 13/34   00:01:01  28524kN
1.f4! Qd7 2.Qb6 Qd1+ 3.Kh2 Qxh5+ 4.Kg1 Qd1+ 5.Kh2 Qc1 6.fxg5 b2 7.g6 Kg7
  µ  (-1.12)   Depth: 13/34   00:01:06  30406kN
1.Qc3!
  µ  (-1.09)   Depth: 13/34   00:01:07  30972kN
1.Qc3!
  µ  (-0.94)   Depth: 13/34   00:01:12  32546kN
1.Re3!
  µ  (-0.91)   Depth: 13/34   00:01:23  37257kN
1.Kh2!
  µ  (-0.87)   Depth: 13/34   00:01:47  52317kN
1.Kh2!
  µ  (-0.72)   Depth: 13/34   00:01:49  53550kN
1.Kh2!
  ³  (-0.41)   Depth: 13/34   00:01:59  59573kN

(Sarah, Home 09.02.2002)




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