Author: Dusan Dobes
Date: 12:53:04 01/26/00
Go up one level in this thread
On January 26, 2000 at 14:50:59, José Antônio Fabiano Mendes wrote:
> Moravec 1941 White to play and win
>7k/6p1/6P1/8/8/p5K1/P7/8 w - -
> Immediately going after the a-pawn only leads to a draw.
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> Sackmann White to play and win
>8/8/2p5/k1p1K3/p1P5/P7/8/8 w - -
> 1.Kf5[the key move,a strategic withdrawal to gain the opposition]
> I wonder how computers would fare on these positions. JAFM
Blocked pawns pawn endgames are easy for comps with hashtables.
They can quickly reach 30 and more plies of search depth and
that is sufficient to play perfectly in such positions.
PVs by Phalanx on a Pentium 150:
Moravec:
Depth=37, Value=862, Time=912.21, Last turn=0.00, Nodes=26639865, N/s=29203
PV = Kg3-f4 Kh8-g8 Kf4-e5 Kg8-f8 Ke5-d6 Kf8-e8 Kd6-e6 Ke8-f8
Ke6-d7 Kf8-g8 Kd7-e7 Kg8-h8 Ke7-d6 Kh8-g8 Kd6-c5 Kg8-h8
Kc5-b4 Kh8-g8 Kb4xa3 Kg8-f8 Ka3-b4 Kf8-e8 Kb4-c5 Ke8-d7
Kc5-d5 Kd7-e7 Kd5-c6 Ke7-d8 Kc6-b7 Kd8-d7 Pa2-a4 Kd7-e7
Pa4-a5 Ke7-f6 Pa5-a6 Kf6xg6
Sackmann:
Depth=37, Value=414, Time=247.33, Last turn=0.40, Nodes=7132108, N/s=28836
PV = Ke5-f5 Ka5-b6 Kf5-f6 Kb6-b7 Kf6-f7 Kb7-b6 Kf7-e8 Kb6-a6
Ke8-d8 Ka6-b7
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.