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Subject: Re: Testposition - ..Rd2!

Author: bobby palacios

Date: 13:39:19 01/25/03

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On January 25, 2003 at 16:09:34, bobby palacios wrote:

>Gandalf 5.1 - List 5.04 (p4 2.47ghz, game in 25)
>
>[D] 8/2pr4/2p4p/p1b1k1pP/2P2p2/1P2pPP1/P3P1K1/2R2N2 b - - 0 37
>
>Interesting to note is that List barely played this move and found it in 27
>seconds.  I wanted to know if this was easy to find so I tried Fritz8 and
>Shredder7, and after 3 minutes they still couldn't find it.  So can any engines
>find this in reasonable time?

I guess I forgot about the endgame specialist, Chess Tiger 14.0, this was rather
easy:

p4 2.47ghz, 96mb hash


Analysis by Chess Tiger 14.0:

1...Rd4 2.Kh3 fxg3 3.Nxg3 Kf4 4.Rg1 Rd2 5.Ne4 Bd4 6.Rg4+ Ke5 7.Nxd2 exd2
  ³  (-0.46)   Depth: 10   00:00:00  184kN
1...Rd4 2.Kh3 Rd2 3.Nxd2 exd2 4.Rd1 Be3 5.Kg4 fxg3 6.Kxg3 Kd4
  ³  (-0.42)   Depth: 10   00:00:00  270kN
1...Rd4 2.Kh3 Bb4 3.Ra1 a4 4.gxf4+ gxf4 5.Kg4 Bc3 6.Rb1 axb3 7.axb3 c5
  ³  (-0.48)   Depth: 11   00:00:01  849kN
1...Rd4 2.Kh3 Bb4 3.Rb1 Rd2 4.Nxd2 exd2 5.Kg2 fxg3 6.Kxg3 Kd4 7.Rd1 Bc3
  ³  (-0.42)   Depth: 12   00:00:02  1245kN
1...Rd2 2.Nxd2 exd2 3.Rd1 Be3 4.gxf4+ Kxf4 5.Kh3 c5 6.Kg2 g4 7.fxg4 Kxg4 8.Kf1
  ³  (-0.50)   Depth: 12   00:00:03  1574kN
1...Rd2 2.Nxd2 exd2 3.Rd1 Be3 4.gxf4+ Kxf4 5.Kh3 c5 6.Kg2 g4 7.fxg4 Kxg4 8.Kf1
  ³  (-0.50)   Depth: 13   00:00:04  1989kN
1...fxg3 2.Kxg3 Rd2 3.Nxd2 exd2 4.Rd1 Be3 5.Kg4 Kd4 6.Kg3 a4 7.Kg2 axb3 8.axb3
Kc3 9.Kf1 Kxb3
  ³  (-0.66)   Depth: 13   00:00:05  2501kN
1...fxg3 2.Nxg3 Rd2 3.Ne4 Rxe2+ 4.Kf1 Ba3 5.Kxe2 Bxc1 6.Nc5 Kf5 7.Nb7 Bd2 8.Nd8
g4 9.Nxc6
  µ  (-1.32)   Depth: 14   00:00:09  4374kN
1...fxg3 2.Nxg3 Rd2 3.Ne4 Rxe2+ 4.Kf1 Ba3 5.Kxe2 Bxc1 6.Nc5 Kf5 7.Nb7 Bd2 8.Nd8
g4 9.Nxc6 g3
  -+  (-1.46)   Depth: 15   00:00:13  6092kN
1...Rd2 2.gxf4+ gxf4 3.Nxd2 exd2 4.Rd1 Be3 5.a3 Kd4 6.b4 axb4 7.axb4 Kxc4 8.Rb1
Kd5 9.Kh3 Kd4
  -+  (-1.56)   Depth: 15   00:00:19  8796kN
1...Rd2
  -+  (-2.46)   Depth: 16   00:00:31  14012kN
1...Rd2 2.gxf4+ gxf4 3.Nxd2 exd2 4.Rd1 Be3 5.Kh3 Kd4 6.Kg4 Kc3 7.c5 Kc2 8.Rh1
d1Q 9.Rxd1 Kxd1
  -+  (-3.06)   Depth: 16   00:00:43  19542kN
1...Rd2 2.gxf4+ gxf4 3.Nxd2 exd2 4.Rd1 Be3 5.Kh3 Kd4 6.a3 Kc3 7.b4 axb4 8.axb4
Kc2 9.Rf1 c5 10.b5 Bf2
  -+  (-3.24)   Depth: 17   00:01:00  27157kN
1...Rd2 2.gxf4+ gxf4 3.Nxd2 exd2 4.Rd1 Be3 5.Kh3 Kd4 6.Rb1 Kc3 7.Rf1 Kc2 8.Kg2
d1Q 9.Rxd1 Kxd1 10.Kf1
  -+  (-3.30)   Depth: 18   00:01:32  41131kN
1...Rd2 2.gxf4+ gxf4 3.Nxd2 exd2 4.Rd1 Be3 5.Kh3 Kd4 6.Rb1 Kc3 7.Kg2 Kc2 8.Rh1
d1Q 9.Rxd1 Kxd1
  -+  (-3.30)   Depth: 19   00:02:27  66032kN





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