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Subject: What is the best combination here..

Author: Chris Taylor

Date: 12:35:37 07/19/02


I found this position on an old floppy disk.  Do not know the solution.
Guess that it is a toss up between Tiger and Hiarcs!
On an AMD 1700 XP. Roughly to the nearest, 5 mins was the time.
If you have a faster machine than mine, you may find the truth..

Taylor,C - Hiarcs 8
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Hiarcs 8:

1.Bxa6 Qe4+ 2.Kf6 Qd4+ 3.Ke6 Qb6+
  +-  (2.62)   Depth: 1   00:00:00
  =  (-0.02)   Depth: 4/19   00:00:00
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nc5 6.Bf5 Qe5 7.Rf6+ Qxf5
8.Rxf5
  =  (0.00)   Depth: 4/21   00:00:00
  +-  (#36)   Depth: 10/29   00:00:05  707kN, tb=764

(Taylor, Notts 19.07.2002)


Taylor,C - Chess Tiger 14.0
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Chess Tiger 14.0:

1.a8R+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4 Qd4 7.Re6+ Qxe4
8.Rxe4
  =  (0.00)   Depth: 9   00:00:00  220kN, tb=1
  +-  (#29)   Depth: 16   00:00:44  16676kN, tb=1505

(Taylor, Notts 19.07.2002)

Taylor,C - Deep Fritz
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Deep Fritz:

1.a8Q+! Qxa8
  -+  (-3.00)   Depth: 1/2   00:00:00
  -+  (-2.75)   Depth: 1/5   00:00:00
1.Bxa6 Qe4+ 2.Kf7 Qf5+ 3.Ke8 Qe6+ 4.Kf8 Qf6+ 5.Ke8
  -+  (-1.75)   Depth: 1/8   00:00:00
  =  (0.00)   Depth: 5/16   00:00:00  13kN
1.a8R+--
  =  (-0.12)   Depth: 5/19   00:00:00  22kN
  ²  (0.34)   Depth: 13/32   00:00:05  4156kN, tb=85
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nc5 6.Bf5 Qf8+
  ²  (0.38)   Depth: 13/33   00:00:06  5746kN, tb=86
  +-  (5.16)   Depth: 18/42   00:06:29  252332kN, tb=22597

(Taylor, Notts 19.07.2002)

Taylor,C - Fritz 6
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Fritz 6:

1.a8Q+--
  -+  (-3.25)   Depth: 1/4   00:00:00
  -+  (-3.25)   Depth: 1/4   00:00:00
1.Bxa6-- Qe4+ 2.Kf7
  -+  (-2.72)   Depth: 1/10   00:00:00
  =  (0.00)   Depth: 3/12   00:00:00  1kN
1.a8Q+! Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nc5
  =  (0.06)   Depth: 3/12   00:00:00  3kN
  ±  (0.94)   Depth: 14/37   00:03:19  98650kN, tb=57746

(Taylor, Notts 19.07.2002)

Taylor,C - Fritz 7
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Fritz 7:

1.a8R+!
  ²  (0.66)   Depth: 9/26   00:00:00  253kN
  +-  (6.47)   Depth: 18/39   00:03:37  119656kN, tb=4410

(Taylor, Notts 19.07.2002)

Taylor,C - Fritz 5.32
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Fritz 5.32:

1.a8Q+--
  -+  (-3.19)   Depth: 1/4   00:00:00
  -+  (-3.19)   Depth: 1/4   00:00:00
1.Bxa6-- Qe4+ 2.Kf7
  -+  (-2.72)   Depth: 1/10   00:00:00
  =  (0.00)   Depth: 3/12   00:00:00  1kN
1.a8R+!
  =  (0.06)   Depth: 3/12   00:00:00  2kN
  =  (0.16)   Depth: 14/38   00:03:22  371625kN

(Taylor, Notts 19.07.2002)

Taylor,C - Gambit Tiger 2.0
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Gambit Tiger 2.0:

1.a8R+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4
  =  (0.00)   Depth: 9   00:00:00  220kN, tb=1
  +-  (#29)   Depth: 17   00:04:09  122467kN, tb=3993

(Taylor, Notts 19.07.2002)

Taylor,C - Hiarcs 7.32
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Hiarcs 7.32:

1.Bxa6 Qe4+ 2.Kd7 Qd4+ 3.Kc8 Qc5+ 4.Kb8 Qb6+ 5.Bb7 Qd8+ 6.Bc8 Qb6+ 7.Ka8 Qc6+
8.Kb8 Qb6+
  +-  (2.50)   Depth: 1   00:00:00
  =  (0.00)   Depth: 6/21   00:00:00  72kN
1.a8R+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Qc3 6.Rd6+ Qxd3 7.Rxd3 Kh6
8.Rh3+ Kg5 9.Rxa3 Nb4 10.Ra5+ Kh6 11.Rb5 Nd3 12.Rf5 Nb4
  ²  (0.31)   Depth: 6/23   00:00:01  132kN
  +-  (1.60)   Depth: 13/30   00:02:17  31869kN, tb=562

(Taylor, Notts 19.07.2002)

Taylor,C - Junior 7
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Junior 7:

1.a8Q+!
  =  (0.00)   Depth: 3   00:00:00
  ±  (0.90)   Depth: 18   00:03:33  340577kN

(Taylor, Notts 19.07.2002)

Taylor,C - Nimzo 8
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Nimzo 8:

1.g7+ Qxg7+ 2.Kd8
  -+  (-5.10)   Depth: 1/11   00:00:00
1.Kd6
  -+  (-3.21)   Depth: 1/11   00:00:00
  -+  (-3.21)   Depth: 1/11   00:00:00
1.a8Q+ Qxa8
  =  (0.00)   Depth: 1/11   00:00:00
  =  (0.00)   Depth: 1/11   00:00:00
1.Bxa6 Qe4+ 2.Kd6
  ±  (1.04)   Depth: 1/11   00:00:00
  -+  (-1.78)   Depth: 3/14   00:00:00
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4
  -+  (-1.75)   Depth: 3/14   00:00:00
  ±  (0.99)   Depth: 16/34   00:02:13  166616kN, tb=3

(Taylor, Notts 19.07.2002)

Taylor,C - Shredder 6
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Shredder 6:

1.a8Q+ Qxa8
  -+  (-3.63)   Depth: 1/2   00:00:01
  -+  (-3.47)   Depth: 1/2   00:00:01
1.Bxa6 Qe4+ 2.Kf7 Qf5+ 3.Ke8 Qe5+ 4.Kd7 Qd4+ 5.Ke6 Qxa7
  µ  (-0.84)   Depth: 1/2   00:00:01
  -+  (-1.67)   Depth: 4/8   00:00:01
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4 Qe5 7.Re6+ Qxe4
8.Rxe4 Kh6 9.Rxb4 Nc2 10.Re4 Kh5 11.Rc4
  -+  (-1.66)   Depth: 4/8   00:00:01
  +-  (1.44)   Depth: 14/26   00:04:40  86090kN, tb=18048

(Taylor, Notts 19.07.2002)

Taylor,C - Shredder Paderborn
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Shredder Paderborn:

1.a8Q+ Qxa8
  -+  (-3.88)   Depth: 1/2   00:00:00
  -+  (-3.72)   Depth: 1/2   00:00:00
1.Bxa6 Qe4+ 2.Kf6 Qf3+ 3.Kg5 Qe3+ 4.Kf5 Qxa7
  µ  (-0.90)   Depth: 1/2   00:00:00
  -+  (-1.69)   Depth: 4/8   00:00:00
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Rxa6+ Kg8 6.Rg6+ Kh7 7.Kf7 Qc8
8.Rg8+ Kh6 9.Rxc8 Nb5
  -+  (-1.68)   Depth: 4/8   00:00:00
  =  (0.03)   Depth: 11/22   00:00:19  6018kN, tb=1101
1.a8R+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Qe8+ 6.Kxe8 Nc7+ 7.Kf7 Nab5
8.Rg7+ Kh6 9.Rh7+ Kg5 10.Kg8 Kf4 11.Bxb5 Nxb5
  =  (0.04)   Depth: 11/22   00:00:32  9197kN, tb=1780
  ±  (1.10)   Depth: 13/25   00:01:20  24303kN, tb=4496
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4 Qe5 7.Re6+ Qf5+
8.Bxf5+ Kh8
  ±  (1.11)   Depth: 13/25   00:01:27  26124kN, tb=4651
  ²  (0.70)   Depth: 14/26   00:02:21  40844kN, tb=13509
1.a8R+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4 Qg7+ 7.Rxg7+ Kh6
8.Rg6+ Kh5 9.Bf3+ Kh4 10.Rg4+ Kh3 11.Rxb4 Nc2
  ±  (0.71)   Depth: 14/26   00:02:24  41440kN, tb=13731
  +-  (6.70)   Depth: 15/27   00:04:09  65820kN, tb=32452

(Taylor, Notts 19.07.2002)

Taylor,C - Yace 0.99.56
7k/P3K2P/n5PR/8/8/n2B4/6q1/8 w - - 0 1

Analysis by Yace 0.99.56:

1.a8Q+ Qxa8 2.Bxa6 Qxa6
  -+  (-4.37)   Depth: 1   00:00:02
1.Bxa6 Qe4+ 2.Kf7 Qf3+ 3.Ke7 Qe3+ 4.Kd7
  ²  (0.47)   Depth: 1   00:00:02
  µ  (-1.27)   Depth: 3   00:00:02
1.a8Q+ Qxa8 2.g7+ Kxg7 3.h8Q+ Qxh8 4.Rg6+ Kh7 5.Kf7 Nb4 6.Be4 Qd4 7.Re6+ Qxe4
8.Rxe4 Kh6 9.Rxb4 Kg5 10.Ke6 Nc2
  ³  (-0.68)   Depth: 3   00:00:02
  ²  (0.53)   Depth: 15   00:04:36  155731kN

(Taylor, Notts 19.07.2002)



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