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Subject: Re: testposition endgame

Author: m.d.hurd

Date: 08:27:37 02/01/03

Go up one level in this thread


On February 01, 2003 at 11:10:26, Eduard Nemeth wrote:

>On February 01, 2003 at 10:35:38, m.d.hurd wrote:
>
>>Fritz 8 has a3 which as you say draws, Shredder 7 has Kb7 which looks to win.
>>
>>Regards
>>
>>Mike
>
>Thanks.
>
>Can You post the thinking Line by Shredder 7?
>
>Eduard


New game
8/8/kb6/2p5/ppP5/1P6/PK6/8 b - - 0 1

Analysis by Shredder 7:

1...axb3 2.axb3
  -+  (-3.84)   Depth: 1/2   00:00:00
1...Ka5
  -+  (-4.16)   Depth: 1/3   00:00:00
1...Ka5
  -+  (-4.16)   Depth: 1/3   00:00:00
1...Ka5 2.bxa4 Kxa4
  -+  (-3.39)   Depth: 2/3   00:00:00
1...Ka5 2.bxa4 Kxa4
  -+  (-3.39)   Depth: 2/3   00:00:00
1...axb3 2.axb3 Ka5
  -+  (-3.88)   Depth: 2/3   00:00:00
1...axb3 2.axb3 Ba5
  -+  (-3.88)   Depth: 2/3   00:00:00
1...axb3 2.axb3 Ba5 3.Kc2
  -+  (-3.79)   Depth: 3/4   00:00:00
1...Ka5 2.Kc2 axb3+ 3.axb3 Bc7
  -+  (-3.83)   Depth: 3/6   00:00:00
1...Ka5 2.Kc2 axb3+ 3.axb3 Ba7
  -+  (-3.83)   Depth: 3/6   00:00:00
1...Ka5 2.bxa4 Kxa4 3.Kc2 Ba5
  -+  (-4.08)   Depth: 4/7   00:00:00
1...Ka5 2.bxa4 Kxa4 3.Kc2 Ka5
  -+  (-4.08)   Depth: 4/7   00:00:00
1...Ka5 2.bxa4 Kxa4 3.Kc1 Ka3 4.Kb1
  -+  (-3.65)   Depth: 5/7   00:00:00
1...Ka5 2.bxa4 Kxa4 3.Kc1 Ka3 4.Kb1
  -+  (-3.65)   Depth: 5/8   00:00:00
1...Ka5 2.Ka1 axb3 3.axb3 Bc7 4.Kb2
  -+  (-3.90)   Depth: 6/9   00:00:00
1...Ka5 2.Kc2 Bd8 3.Kb1 axb3 4.axb3 Bc7 5.Kc2 Bf4
  -+  (-3.90)   Depth: 6/9   00:00:00
1...Ka5 2.Kc2 Bd8 3.Kd3 Ka6
  -+  (-3.65)   Depth: 7/9   00:00:00  3kN, tb=4
1...Ka5 2.Ka1 axb3 3.Kb2 bxa2 4.Kc2 a1Q
  -+  (-3.65)   Depth: 7/9   00:00:00  4kN, tb=5
1...axb3 2.axb3 Bd8 3.Kb1 Kb7 4.Kc1
  -+  (-3.66)   Depth: 7/9   00:00:00  4kN, tb=7
1...axb3 2.axb3 Bd8 3.Kb1 Bb6 4.Kc2 Ba5
  -+  (-3.66)   Depth: 7/9   00:00:00  5kN, tb=7
1...a3+ 2.Kc2 Bd8 3.Kd3 Be7 4.Ke4
  -+  (-3.67)   Depth: 7/10   00:00:00  6kN, tb=7
1...a3+ 2.Kc2 Bd8 3.Kd3 Be7 4.Ke4 Ka5 5.Kd5
  -+  (-3.72)   Depth: 7/10   00:00:00  6kN, tb=7
1...a3+ 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke3 Bd8 5.Ke4 Bb6
  -+  (-3.60)   Depth: 8/10   00:00:00  9kN, tb=7
1...Ka5 2.bxa4 Kxa4 3.Kc1
  -+  (-3.61)   Depth: 8/10   00:00:00  9kN, tb=9
1...Ka5 2.Kc1 Bc7 3.Kd2 Bf4+ 4.Kc2 a3 5.Kd3
  -+  (-3.96)   Depth: 8/11   00:00:00  10kN, tb=9
1...Ka5 2.Kc1 Bd8 3.Kb1 Bf6 4.bxa4 Kxa4 5.Kc2 Bh8
  -+  (-4.03)   Depth: 8/11   00:00:00  13kN, tb=9
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd8
  -+  (-3.78)   Depth: 9/12   00:00:00  19kN, tb=10
1...Ka5 2.Kc2 Bd8 3.Kd3 axb3 4.axb3 Kb6 5.Ke4 Kb7 6.Kd3
  -+  (-3.49)   Depth: 9/12   00:00:00  20kN, tb=12
1...a3+ 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd4 5.Kd5 Kb7 6.Kd6
  -+  (-3.52)   Depth: 9/12   00:00:00  21kN, tb=12
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke2 Kd7 5.Kd2 Bd8 6.Kd3
  -+  (-3.61)   Depth: 9/12   00:00:00  24kN, tb=12
1...axb3 2.Kxb3 Bc7 3.Kc2
  -+  (-3.62)   Depth: 9/12   00:00:00  25kN, tb=34
1...axb3 2.axb3 Bc7 3.Kc1 Kb7
  -+  (-3.62)   Depth: 9/12   00:00:00  26kN, tb=45
1...axb3 2.axb3 Bc7 3.Kc2 Ka5 4.Kd2 Bg3 5.Kd3 Be5 6.Ke4 Bf4
  -+  (-3.49)   Depth: 10/12   00:00:00  38kN, tb=55
1...Ka5 2.Kc2 Bd8 3.Kd3
  -+  (-3.50)   Depth: 10/12   00:00:00  38kN, tb=64
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd4 5.Kf5
  -+  (-3.85)   Depth: 10/13   00:00:00  40kN, tb=68
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd4 5.Kd5 Bg1 6.bxa4 Kxa4
  -+  (-3.85)   Depth: 10/14   00:00:00  41kN, tb=68
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 a3 5.Kd5 Be5
  -+  (-3.60)   Depth: 11/14   00:00:00  46kN, tb=77
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd4 5.Kf3
  -+  (-3.60)   Depth: 11/14   00:00:00  48kN, tb=88
1...axb3 2.axb3 Bc7 3.Kc2 Kb7 4.Kd2 Bf4+ 5.Kd3 Bg3 6.Ke3 Kc6 7.Ke2
  -+  (-3.61)   Depth: 11/14   00:00:00  49kN, tb=91
1...axb3 2.axb3 Kb7 3.Kc2 Kc6 4.Kd3 Bd8
  -+  (-3.62)   Depth: 11/14   00:00:00  53kN, tb=91
1...a3+ 2.Kc2 Bc7 3.Kd3 Bg3 4.Ke3 Kb6 5.Ke4
  -+  (-3.63)   Depth: 11/14   00:00:00  55kN, tb=91
1...a3+ 2.Kc2 Bc7 3.Kd3 Bg3 4.Ke4 Bh2
  -+  (-3.63)   Depth: 11/14   00:00:00  57kN, tb=91
1...a3+ 2.Kc2 Bc7 3.Kd3 Bg3 4.Ke4 Kb6 5.Kd3 Kc7 6.Ke4 Kc6 7.Kd3 Kc7 8.Ke4 Kc6
9.Kd3 Kc7 10.Ke4
  -+  (-3.64)   Depth: 12/15   00:00:00  63kN, tb=92
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4
  -+  (-3.65)   Depth: 12/17   00:00:00  64kN, tb=99
1...Ka5 2.Kc2 Bd8 3.Kd3 Bf6 4.Ke4 Bd4 5.Kf3 Kb6 6.bxa4 Ka5 7.Ke2 b3
  -+  (-3.66)   Depth: 12/17   00:00:00  68kN, tb=99
1...Ka5 2.Kc2 Bd8 3.Kd3 axb3 4.axb3 Kb6 5.Kc2 Kc7 6.Kd3 Kc6
  -+  (-3.64)   Depth: 13/16   00:00:00  89kN, tb=146
1...axb3 2.axb3 Kb7 3.Kc2 Bc7 4.Kd2 Bf4+ 5.Kd3 Bg3 6.Ke3 Kc6 7.Ke2
  -+  (-3.65)   Depth: 13/16   00:00:01  91kN, tb=174
1...axb3 2.axb3 Kb7 3.Kc2 Bc7 4.Kd3 Bg3
  -+  (-3.65)   Depth: 13/16   00:00:01  96kN, tb=174
1...a3+ 2.Kc2 Kb7 3.Kd1
  -+  (-3.66)   Depth: 13/16   00:00:01  101kN, tb=174
1...a3+ 2.Kc2 Kb7 3.Kd1 Bd8 4.Ke2 Kc6 5.Kd2 Bc7 6.Ke2
  -+  (-3.71)   Depth: 13/16   00:00:01  121kN, tb=174
1...a3+ 2.Kc2 Kb7 3.Kd2 Kc6 4.Kd1 Ba5 5.Ke2
  -+  (-3.75)   Depth: 14/17   00:00:01  143kN, tb=210
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5
  -+  (-3.77)   Depth: 15/18   00:00:01  172kN, tb=228
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6
  -+  (-3.79)   Depth: 16/18   00:00:01  192kN, tb=250
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bh4 8.Ke4 Be1
  -+  (-3.77)   Depth: 17/19   00:00:01  219kN, tb=316
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bh4 8.Ke4 Kd6
9.Kf4 Bd8
  -+  (-3.78)   Depth: 18/20   00:00:01  258kN, tb=379
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bd4 8.Ke6 Bf2
9.Ke5 Bh4 10.Ke4 Kd6 11.Kf4 Bd8
  -+  (-3.78)   Depth: 19/21   00:00:04  380kN, tb=1174
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bd4 8.Ke6 Ba1
9.Ke7 Be5 10.Ke6 Bc3
  -+  (-3.78)   Depth: 20/22   00:00:04  446kN, tb=1449
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bc3 8.Ke6 Kc7
9.Ke7 Bd4
  -+  (-3.74)   Depth: 21/23   00:00:05  518kN, tb=1717
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bd4 8.Ke6 Kc7
9.Ke7 Kc6
  -+  (-3.74)   Depth: 22/24   00:00:05  742kN, tb=2162
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bc7 5.Kf5 Bd8 6.Kf4 Bf6 7.Kf5 Bc3 8.Ke6 Kc7
9.Kd5 Bd4 10.Ke4 Kd6 11.Kf3
  -+  (-3.78)   Depth: 23/25   00:00:06  880kN, tb=2886
1...a3+ 2.Kc2 Kb7 3.Kd3 Kc6 4.Ke4 Bd8 5.Kf5 Bf6 6.Kxf6 Kd6 7.Kf7 Ke5 8.Ke7 Kd4
9.Kd6 Kd3 10.Kxc5 Kc2 11.Kxb4 Kb2 12.c5 Kxa2 13.c6 Kb1 14.Kxa3
  -+  (-3.75)   Depth: 24/28   00:00:07  1089kN, tb=3691
1...axb3 2.axb3 Kb7 3.Kc1 Bc7 4.Kd2 Kc6 5.Ke2
  -+  (-3.76)   Depth: 24/31   00:00:35  13493kN, tb=23191
1...axb3 2.axb3 Kb7 3.Kc1 Bc7 4.Kd2 Kc6 5.Ke2 Kd6 6.Kd3 Ke5 7.Kc2 Kd4 8.Kc1 Bd6
9.Kb2 Bf4 10.Ka2 Be3 11.Kb2 Bd2 12.Ka2
  -+  (-4.11)   Depth: 24/31   00:00:35  13737kN, tb=23548
1...axb3 2.axb3 Kb7 3.Kc1 Kc6 4.Kc2 Kd7 5.Kd3 Kd6 6.Ke4 Ke6 7.Kf4
  -+  (-4.19)   Depth: 24/31   00:00:37  15078kN, tb=23655
1...axb3 2.axb3 Kb7 3.Kc1 Kc6 4.Kc2 Kd7 5.Kd3 Kd6 6.Ke4 Ke6 7.Kf4
  -+  (-4.19)   Depth: 25/28   00:00:45  16702kN, tb=32670
1...axb3 2.axb3 Kb7 3.Kc1 Kc6 4.Kc2 Kd7 5.Kd3 Kd6 6.Ke4 Ke6 7.Kf4
  -+  (-4.19)   Depth: 26/27   00:01:00  22446kN, tb=52294
1...Kb7 2.Kc2 axb3+ 3.axb3 Kc6 4.Kd2 Kd7 5.Ke2
  -+  (-4.20)   Depth: 26/42   00:01:21  30526kN, tb=71649
1...Kb7 2.Kc2 axb3+ 3.axb3 Kc6 4.Kd2 Kd7 5.Ke2 Bc7 6.Kd1 Bf4 7.Kc2 Be3 8.Kd3 Kd6
  -+  (-4.20)   Depth: 26/47   00:02:12  51053kN, tb=104949
1...Kb7 2.Kc2 Kc6 3.Kd3 Kd7 4.Kc2 Kd6 5.bxa4 Kc6 6.Kd3 Kb7 7.Ke3 Ka6 8.a3
  -+  (-4.19)   Depth: 27/53   00:06:33  214985kN, tb=207274

Regards

Mike



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