Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Endgame easy test position

Author: Thomas Mayer

Date: 10:52:20 09/18/01

Go up one level in this thread


Hi Eduard,

>Position after move 61. Kg7:
>
>[D]3Q4/6k1/p5p1/6P1/Pq6/4P1K1/8/8 w - -
>
>After 62. Qf6+ is the win not easy. But after 62. Qd4+ is the game easy to win,
>and the game end! For any programs ist the move Qd4+ not easy to find.
>
>:-(
>
>S532 finds the move with TBs after 58 seconds on P600:
>
>Analysis by Shredder 5.32:
>
>
>1.Df6+ Kh7 2.Dxa6 De1+ 3.Kg4 Dg1+ 4.Kf4 Dh2+ 5.Ke4 Dg2+ 6.Kd4 Dxg5 7.Db7+ Kh8
>  +-  (2.33)   Tiefe: 11/22   00:00:44  7096kN, tb=6535
>1.Dd7+ Kg8 2.De6+ Kh7 3.Dxa6 De1+ 4.Kg4 Dg1+ 5.Kf4 Dh2+ 6.Ke4 Dg2+ 7.Kd4 Dxg5
>8.Db7+ Kh8
>  +-  (2.34)   Tiefe: 11/22   00:00:46  7474kN, tb=6990
>1.Dd7+ Kg8 2.De6+ Kh7 3.Dxa6 De1+ 4.Kg4 Dg1+ 5.Kf4 Dh2+ 6.Ke4 Dg2+ 7.Kd4 Dxg5
>8.Db7+ Kh8
>  +-  (2.34)   Tiefe: 11/22   00:00:52  8440kN, tb=7665
>1.Dd4+ Dxd4 2.exd4 Kf7 3.Kf4 Ke6 4.Ke4 Kf7
>  +-  (2.35)   Tiefe: 11/22   00:00:58  9490kN, tb=8444
>1.Dd4+ Dxd4 2.exd4 Kf7 3.Kf4 Ke6 4.Ke4 a5 5.d5+ Kd7 6.Ke5 Ke7 7.d6+
>  +-  (2.66)   Tiefe: 11/22   00:00:58  9494kN, tb=8444
>
>
>For Tiger 14 is this not so easy:
>
>Analysis by Chess Tiger 14.0:
>
>1.Df6+ Kh7 2.Dxa6 De1+ 3.Kg2 Dxe3 4.Db7+ Kg8 5.Dc8+ Kf7 6.Dd7+ Kg8 7.Dd5+ Kg7
>8.a5 De2+ 9.Kg3 De1+
>  +-  (2.28)   Tiefe: 15   00:03:00  37784kN, tb=595
>1.Dd4+ Dxd4 2.exd4 Kf7 3.d5 Ke7 4.Kf4 Kd6 5.Ke4 a5 6.Kd4 Ke7 7.Ke5 Kf7 8.d6 Ke8
>9.Kf6
>  +-  (2.36)   Tiefe: 15   00:03:31  44143kN, tb=712
>1.Dd4+
>  +-  (3.26)   Tiefe: 16   00:03:52  48366kN, tb=955

some thougts of current Quark v1.56 on that: (Athlon 1333)

[08] 00:00:00,60 +1.97 329kN d8f6 ?
[08] 00:00:00,60 +2.11 339kN d8f6 g7h7 f6f7 h7h8 f7g6 b4e1 g3g4 e1e2 g4f4 e2h2
f4f3
[09] 00:00:01,81 +1.83 1033kN d8f6 g7h7 f6f7 h7h8 g3f3 a6a5 f7f6 h8h7 e3e4 b4b3
f3f4 b3c4 f6e7 h7h8
[10] 00:00:05,38 +1.84 3082kN d8f6 g7h7 f6a6 b4e1 g3g2 e1e3 a6b7 h7h8 b7b8 h8h7
b8c7 h7h8 c7d8 h8h7 d8d7 h7g8 d7d5
[10] 00:00:05,38 +1.85 3086kN d8d4 !
[10] 00:00:05,38 +2.19 3091kN d8d4 b4d4 e3d4 g7f7 d4d5 f7e7 g3f4 e7d6 f4e4 a6a5
e4d4
[11] 00:00:06,04 +2.13 3482kN d8d4 b4d4 e3d4 g7f7 d4d5 f7e7 g3f4 e7d6 f4e4 d6c5
e4e5 a6a5
[12] 00:00:08,51 +2.19 4876kN d8d4 b4d4 e3d4 g7f7 d4d5 f7e7 g3f4 e7d6 f4e4 a6a5
e4d4 d6d7 d4e5 d7e7
[13] 00:00:12,91 +2.19 7318kN d8d4 b4d4 e3d4 g7f7 d4d5 f7e7 g3f4 e7d6 f4e4 a6a5
e4d4 d6d7 d4e5 d7e7
[14] 00:00:22,13 +2.50 12221kN d8d4 !
[14] 00:00:22,13 +3.24 12236kN d8d4 b4d4 e3d4 g7f7 d4d5 f7e7 g3f4 e7d6 f4e4 a6a5
e4d4 d6c7 d4e5 c7b6 d5d6

etc.

Greets, Thomas



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.