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Subject: Re: Another endgame test position

Author: Vincent Lejeune

Date: 11:18:15 11/12/04

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On November 12, 2004 at 11:42:47, Ingo Bauer wrote:

>Hi
>
>[D]8/7p/8/6k1/1n6/6N1/p7/K7 b - - 0 11
>>
>>Here my jaw fell open as Shredder threw the win right out the window with
>>11...h5???? showing it wasn't much better.
>
>Any particular reason for not testing WITH tablebases?
>
>Ingo

WITH TB, S8 find the mate in 1:12 and H9 annouce mate in 41 after 15 sec :

Nouvelle partie,
8/7p/8/6k1/1n6/6N1/p7/K7 b - - 0 1

Analysis by Shredder 8:
...
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Rb2 Cc2 5.Ch5 a1D+ 6.Rxc2 Rxh5
  -+  (-10.41)   Profondeur: 7/20   00:00:01  10kN, tb=562
1...h6 2.Cf5 Cc2+ 3.Rb2 a1D+ 4.Rb3
  -+  (-11.56)   Profondeur: 8/12   00:00:01  11kN, tb=632
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Rb2 Cc2 5.Ch1 a1D+ 6.Rb3
  -+  (-12.10)   Profondeur: 8/12   00:00:01  11kN, tb=704
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cf7 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da4+ 7.Rc3
  -+  (-14.76)   Profondeur: 8/18   00:00:01  14kN, tb=1059
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ch5 Rxh5 5.Rb2 Cc2 6.Rc3 a1D+ 7.Rd3 Da2
  -+  (-15.00)   Profondeur: 9/22   00:00:01  18kN, tb=1531
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Rb2 a1D+ 5.Rb3
  -+  (-15.25)   Profondeur: 10/24   00:00:02  23kN, tb=1879
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cf7 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da3+ 7.Rc4 Ce3+ 8.Rb5
h5
  -+  (-15.85)   Profondeur: 10/24   00:00:02  27kN, tb=1983
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cf7 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da3+ 7.Rc4 Ce3+ 8.Rd4
Cf5+ 9.Rd5 Da8+ 10.Rc4 De4+ 11.Rc3 De5+ 12.Cxe5
  -+  (-17.66)   Profondeur: 10/24   00:00:02  41kN, tb=2216
1...h6 2.Cf5 Cc2+ 3.Rb2 a1D+ 4.Rb3 Rxf5 5.Rc4
  -+  (-17.91)   Profondeur: 11/26   00:00:02  56kN, tb=2514
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cf7 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da3+ 7.Rc4 Ce3+ 8.Rd4
Da4+ 9.Rc5 Dc4+ 10.Rb6 De6+ 11.Ra5 De5+ 12.Cxe5
  -+  (-18.17)   Profondeur: 11/26   00:00:03  96kN, tb=3044
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cb5 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da3+ 7.Rc4 Ce3+ 8.Rd4
Db4+ 9.Rd3 Dxb5+ 10.Rd2 Db4+ 11.Re2 Db2+ 12.Re1
  -+  (-18.42)   Profondeur: 12/28   00:00:03  146kN, tb=3706
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cf7 Cc2+ 5.Rb2 a1D+ 6.Rb3 Db2+ 7.Rc4 Ca3+ 8.Rc5
Dc3+ 9.Rd6 De5+ 10.Cxe5 Cb5+ 11.Rc6
  -+  (-18.42)   Profondeur: 12/28   00:00:04  248kN, tb=4284
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+ 5.Rb2 a1D+ 6.Rb3 Cd4+ 7.Rc4 Cxe2 8.Rd5
h5 9.Re4 Da2
  -+  (-18.67)   Profondeur: 13/30   00:00:06  594kN, tb=7554
1...h6 2.Ce4+ Rf5 3.Cd2 Cc2+ 4.Rb2 a1D+ 5.Rb3 Dd1 6.Cc4 Dd3+ 7.Rb2 Dxc4 8.Rc1 h5
  -+  (-19.11)   Profondeur: 13/30   00:00:07  932kN, tb=8244
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+ 5.Rb2 a1D+ 6.Rb3 Cd4+ 7.Rc4 Cxe2 8.Rd5
h5 9.Rc4
  -+  (-19.36)   Profondeur: 14/32   00:00:08  1226kN, tb=9640
1...h6 2.Rb2 a1D+ 3.Rb3 Da2+ 4.Rc3 Dc2+ 5.Rd4 Df2+ 6.Rc3 Dxg3+ 7.Rd2 h5 8.Re2 h4
9.Rd1 h3 10.Re2 Cc2
  -+  (-20.05)   Profondeur: 14/32   00:00:08  1242kN, tb=9693
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce4 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da4+ 7.Rc3 Dxe4 8.Rb2
Df5 9.Rc3 Dd3+ 10.Rxd3
  -+  (-20.05)   Profondeur: 14/34   00:00:33  21031kN, tb=15665
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ch5 Rxh5 5.Rb2 Cc2 6.Rc3 a1D+ 7.Rd3 Dd1+ 8.Rc3
  -+  (-21.25)   Profondeur: 15/32   00:00:34  21077kN, tb=16958
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+ 5.Rb2 a1D+ 6.Rb3 Cd4+ 7.Rc4 Cxe2 8.Rd3
Dd1+ 9.Re3 Cf4 10.Re4 Dd3+ 11.Re5 De3+ 12.Rd6 Dd4+ 13.Re7 Cg6+ 14.Re6 De4+
15.Rd6
  -+  (-21.77)   Profondeur: 15/34   00:00:35  21577kN, tb=17004
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+ 5.Rb2 a1D+ 6.Rb3 Cd4+ 7.Rc4 Cxe2 8.Rd3
Dd1+ 9.Re3 Dd2+ 10.Rxd2 Cg3 11.Rc1
  -+  (-21.77)   Profondeur: 15/36   00:00:43  28428kN, tb=17740
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ch5 Rxh5 5.Rb2 Cc2 6.Rc3 a1D+ 7.Rc4 Dd4+ 8.Rb5
Rg5 9.Rc6 Dc3+ 10.Rd6 Dc6+ 11.Rxc6 Cd4+ 12.Rb6 h5
  -+  (-22.06)   Profondeur: 16/36   00:00:45  29524kN, tb=19460
1...h6 2.Ce4+ Rf5 3.Cd2 Cc2+ 4.Rb2 a1D+ 5.Rb3 Ce3 6.Cb1 Dxb1+ 7.Ra3 Db4+ 8.Ra2
Dd2+ 9.Rb1 Dc2+ 10.Ra1 Dc3+ 11.Rb1 Dd3+ 12.Ra1 Dc4 13.Rb2 Dd3 14.Ra2 Dc2+ 15.Ra1
Dc3+
  -+  (-22.56)   Profondeur: 16/38   00:00:53  36341kN, tb=20081
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce4 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da4+ 7.Rc3 Dd4+ 8.Rb3
Dxe4 9.Rc3 De2 10.Rb2 Dd3 11.Rc1 De2 12.Rb1 h5 13.Rc1 De4 14.Rb2 Rg5 15.Rb1
  -+  (-23.28)   Profondeur: 16/40   00:01:09  49021kN, tb=23438
1...h6 2.Ce2 Cc2+ 3.Rb2 a1D+ 4.Rb3 Cd4+ 5.Rb4 Cxe2 6.Rc4 Da2+ 7.Rc5 Dd5+ 8.Rb4
Db7+ 9.Ra4 Db2 10.Ra5 h5 11.Ra6 Cc3 12.Ra7 Db5
  -+  (-23.69)   Profondeur: 17/32   00:01:12  49293kN, tb=27881
1...h6 2.Ce2 Cc2+ 3.Rb2 a1D+ 4.Rb3 Cd4+ 5.Rb4 Cxe2 6.Rc4 Da2+ 7.Rc5 Dd5+ 8.Rb4
Db7+ 9.Ra4 Db2 10.Ra5 h5 11.Ra6 Cc3 12.Ra7 Db5
  -+  (-#150)   Profondeur: 17/32   00:01:12  49293kN, tb=27886
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce4 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da4+ 7.Rc3 Dd4+ 8.Rb3
Dxe4 9.Rc3 De2 10.Rb2 Dd3 11.Rc1 Ca3 12.Rb2 Rg5 13.Ra2 Cc4
  -+  (-#150)   Profondeur: 17/36   00:02:03  89076kN, tb=43562
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce4 Cc2+ 5.Rb2 a1D+ 6.Rb3 Da4+ 7.Rc3 Dd4+ 8.Rb3
Dxe4 9.Rc3 De2 10.Rb2 Dd3 11.Rc1 Ca3 12.Rb2 Cc4+ 13.Rc1 Dd2+ 14.Rb1 Db2#
  -+  (-#150)   Profondeur: 18/38   00:02:43  115500kN, tb=70208

Analysis by Hiarcs 9:
...
1...Rg4 2.Ce4 h5 3.Cf6+ Rg5 4.Ch7+ Rg6
  -+  (-3.98)   Profondeur: 5/11   00:00:00  2kN, tb=9
1...Rg4 2.Ce4 h5 3.Cf6+ Rg5 4.Ce4+ Rf4 5.Cf6
  -+  (-4.03)   Profondeur: 6/13   00:00:00  5kN, tb=18
1...Rg4 2.Ce4 h5 3.Cf6+ Rg5 4.Ce4+ Rf4 5.Cf6
  -+  (-3.77)   Profondeur: 7/15   00:00:00  11kN, tb=59
1...Rg4 2.Ce4 Rf5 3.Cg3+ Rg6 4.Ce2
  -+  (-3.75)   Profondeur: 7/15   00:00:00  13kN, tb=60
1...Rg6 2.Ce4
  -+  (-3.77)   Profondeur: 7/17   00:00:01  17kN, tb=108
1...Rg6 2.Rb2 h6 3.Ce4 h5 4.Cc3 h4
  -+  (-3.87)   Profondeur: 7/17   00:00:01  21kN, tb=125
1...h6 2.Ce4+
  -+  (-3.91)   Profondeur: 7/17   00:00:01  24kN, tb=137
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cb5 h5 5.Cd4
  -+  (-4.04)   Profondeur: 7/17   00:00:01  26kN, tb=161
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4 4.Cb5 h5 5.Cd4
  -+  (-4.30)   Profondeur: 8/17   00:00:01  31kN, tb=194
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4
  -+  (-4.31)   Profondeur: 8/23   00:00:01  51kN, tb=268
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4
  -+  (-4.56)   Profondeur: 9/23   00:00:02  78kN, tb=646
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4
  -+  (-11.53)   Profondeur: 9/25   00:00:05  517kN, tb=2303
1...h6 2.Ce4+ Rf5 3.Cd6+ Rf4
  -+  (-11.97)   Profondeur: 10/25   00:00:05  535kN, tb=2485
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+
  -+  (-23.91)   Profondeur: 10/30   00:00:07  1267kN, tb=5155
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+
  -+  (-24.16)   Profondeur: 11/30   00:00:08  1513kN, tb=6983
1...h6 2.Ce4+ Rf5 3.Cg3+ Rg4 4.Ce2 Cc2+
  -+  (-#46)   Profondeur: 11/32   00:00:09  2298kN, tb=10086
1...h6 2.Ce2 Cc2+ 3.Rxa2
  -+  (-#41)   Profondeur: 11/32   00:00:15  5315kN, tb=21806
1...h6 2.Ce2 Cc2+ 3.Rxa2
  -+  (-#41)   Profondeur: 12/32   00:00:16  5424kN, tb=22808
1...h6 2.Ce2 Cc2+ 3.Rxa2
  -+  (-#41)   Profondeur: 13/32   00:00:17  5827kN, tb=29521
1...h6 2.Ce2 Cc2+ 3.Rxa2
  -+  (-#41)   Profondeur: 14/33   00:00:20  7614kN, tb=38679
1...h6 2.Ce2 Cc2+ 3.Rxa2
  -+  (-#41)   Profondeur: 15/37   00:00:40  17727kN, tb=88844




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