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Subject: Re: Ruffian!! simply the best [Dragon 4.2 even faster]

Author: Kurt Utzinger

Date: 07:05:38 12/28/02

Go up one level in this thread


On December 28, 2002 at 09:45:02, Drexel,Michael wrote:

>[D] 8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - 0 1
>
>Ruffian is the best analysis-engine I can think of.
>Ruffian 1.0.1 (96 MB hash)on Athlon@1.6Ghz finds the mate in 13
>in 5 sec (Yes 0:05!!) . This is amazing.
>hey you out there with your 2.8 Ghz Xeons and Deep Fritz 7 engines.
>Try to beat that!
>hope Per-ola will bring out a native Chessbase version of this great program
>soon because there exists some problems with UCI version in Chessbase GUI.
>I would pay 25$ for a native CB engine.
>I dont need chess engines with much positional knowledge for analysis. every
>chessplayer >2200 has much more positional knowledge than all chess-engines
>together.

Hi Michael
Just to mention that Dragon 4.2 is even than Ruffian 1.0.1. On my P4 1.8/32 MB
hash Ruffian 1.0.1 needs 5s, but Dragon 4.2 only 4s to find the mate in 13.
Kurt

New game
8/8/pp6/2pp2p1/3p2Pk/3P1K1P/5PP1/8 b - - 0 1

Analysis by Dragon 4.2:

1...b5
  -+  (-2.08)   Depth: 1   00:00:00
1...b5 2.Ke2
  -+  (-2.08)   Depth: 2   00:00:00
1...b5 2.Ke2 a5
  -+  (-2.40)   Depth: 3   00:00:00
1...c4 2.Ke2 c3
  -+  (-2.91)   Depth: 3   00:00:00
1...c4 2.Ke2 c3
  -+  (-2.91)   Depth: 3   00:00:00
1...c4 2.Ke2 c3 3.f3
  -+  (-2.88)   Depth: 4   00:00:00
1...c4 2.Ke2 c3 3.Kd1 a5
  -+  (-3.21)   Depth: 5   00:00:00
1...c4 2.Ke2 a5 3.Kd2 c3+ 4.Kc2 b5
  -+  (-2.69)   Depth: 6   00:00:00
1...c4 2.Ke2 a5 3.Kd2 c3+ 4.Kc2 b5
  -+  (-2.69)   Depth: 6   00:00:00
1...b5 2.Ke2 a5 3.Kd2 a4 4.f3
  -+  (-2.73)   Depth: 6   00:00:00  1kN
1...b5 2.Ke2 a5 3.f4 gxf4 4.Kf3 Kg5
  -+  (-3.05)   Depth: 7   00:00:00  1kN
1...b5 2.Ke2 c4 3.Kd1 b4 4.Kc2 b3+ 5.Kb2 cxd3
  -+  (-2.85)   Depth: 8   00:00:00  6kN
1...c4 2.Ke2 a5 3.Kd2 c3+ 4.Kc2 a4 5.f3 b5
  -+  (-3.02)   Depth: 8   00:00:00  8kN
1...c4 2.Ke2 a5 3.Kd2 b5 4.Kc2 a4 5.f3 c3
  -+  (-3.02)   Depth: 9   00:00:00  14kN
1...a5 2.Ke2 a4 3.Kd2 a3 4.Kc2 c4 5.f4 a2
  -+  (-3.41)   Depth: 9   00:00:00  18kN
1...a5 2.Ke2 b5 3.Kd2 c4 4.Kc2 b4 5.f4 gxf4 6.dxc4
  -+  (-3.01)   Depth: 10   00:00:00  29kN
1...a5 2.Ke2 b5 3.Kf1 a4 4.Kg1 c4 5.Kh2 b4 6.g3#
  +-  (#5)   Depth: 10   00:00:00  33kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Kxd4 b4 5.f3 a5 6.Kxd5 a4 7.Ke6
  µ  (-0.95)   Depth: 10   00:00:00  66kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Kxd4 b4 5.Kd3 a5 6.Kd4 b3 7.Kxd5 b2
  µ  (-1.34)   Depth: 11   00:00:00  102kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 b4 6.Kd4 a5 7.Kxd5 b3 8.Ke6 b2
  µ  (-1.29)   Depth: 12   00:00:00  171kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Kxd4 b4 5.Kd3 a5 6.Kd4 b3 7.Kxd5 b2 8.g3+ Kxh3
9.f4 Kxg3
  -+  (-1.69)   Depth: 13   00:00:00  284kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Kxd4 b4 7.f4 gxf4 8.Ke5 Kg3
  -+  (-1.69)   Depth: 13   00:00:00  294kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 a5 4.Kxd4 a4 5.Kc3 a3 6.Kb3 d4 7.Kxa3 d3 8.Kb3 d2
9.Kc2
  -+  (-1.59)   Depth: 14   00:00:01  541kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 a5 4.Ke2 d3+ 5.Kxd3 a4
  µ  (-1.18)   Depth: 15   00:00:01  714kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 a5 4.Ke2 d3+ 5.Kxd3 d4 6.Kxd4 a4 7.Kc4 a3 8.Kb3 a2
9.Kxa2 b5 10.f4
  +-  (1.42)   Depth: 15   00:00:01  966kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Kxd4 b4 7.Kc4 b3 8.Kxb3 a5
9.Ka3 a4 10.f4 gxf4
  +-  (1.97)   Depth: 16   00:00:01  971kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Kxd4 b4 7.Kc4 a5 8.Kb3 a4+
9.Kxb4 a3 10.Kb3 a2 11.Kxa2
  +-  (2.70)   Depth: 16   00:00:02  1567kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Kxd4 b4 7.Kc4 a5 8.Kb3 a4+
9.Kxa4 b3 10.Ka3 b2 11.Ka2 b1Q+ 12.Kxb1
  +-  (2.70)   Depth: 17   00:00:04  2509kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Ke2 d3+ 7.Kxd3 b4 8.Ke2 b3
9.Kf1 b2 10.Kg1 b1Q+ 11.Kh2 Qg1+ 12.Kxg1 a5 13.Kh2 a4 14.g3#
  +-  (#13)   Depth: 18   00:00:04  2663kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Ke2 d3+ 7.Kxd3 b4 8.Ke2 b3
9.Kf1 b2 10.Kg1 b1Q+ 11.Kh2 Qg1+ 12.Kxg1 a5 13.Kh2 a4 14.g3#
  +-  (#13)   Depth: 18   00:00:07  4075kN
1...c4 2.Ke2 cxd3+ 3.Kxd3 b5 4.Ke2 d3+ 5.Kxd3 d4 6.Ke2 d3+ 7.Kxd3 b4 8.Ke2 b3
9.Kf1 b2 10.Kg1 b1Q+ 11.Kh2 Qg1+ 12.Kxg1 a5 13.Kh2 a4 14.g3#
  +-  (#13)   Depth: 19   00:00:11  6528kN

(Utzinger, MyTown 28.12.2002)




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