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Subject: Re: Experimentation with move ordering

Author: Will Singleton

Date: 11:17:41 11/28/00

Go up one level in this thread


I ran it out to 9 ply for my program and Macchess.  Move ordering is similiar to
the usual, but I'm using PVS.  My searches do tend to blow up in the higher
plys, for some unknown reason.  I'm going to try negascout just to see what
happens.

From this position:

[D]rnbqkbnr/ppp2ppp/8/3pp3/3PP3/8/PPP2PPP/RNBQKBNR w KQkq -

Amateur
ply   score     time     nodes      n/s    pv

  3      90     0.08      3332    24960  Pxe5 Pxe4 Qxd8 Kxd8
  4      90     0.17      8256    29100  Pxe5 Pxe4 Qxd8 Kxd8
  5     125     0.33     20785    37740  Pxe5 Pxe4 Qxd8 Kxd8 Be3
  6     118     1.20     66639    49920  Pxe5 Be6 Bb5 c6 Pxd5 Bxd5 Bf1
  7      95     3.48    218850    57540  Pxe5 Pxe4 Qxd8 Kxd8 Bg5 f6 Pxf6 Nxf6
  8     128     9.00    555919    61740  Pxe5 Pxe4 Qxd8 Kxd8 Bc4 Nc6 Bf4
  9     110    42.00   2739007    65160  Pxe5 Be6 Qd3 Nc6 Qb5 Rb8 Nc3 Ne7 Nxd5
Nxd5 Pxd5

MacChess 4
02/01|00:00:00|       296|  +22| dxe5 dxe4 Qxd8+ Kxd8 Bc4
03/01|00:00:00|      1195|  +22| dxe5 dxe4 Qxd8+ Kxd8 Bc4
04/01|00:00:00|      6651|  +22| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Bb4+ Bd2
05/01|00:00:00|     31790|  +25| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Nd7 Bxf7 Nxe5
06/01|00:00:00|    121312|  +32| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Nd7 Bxf7 Nxe5 Bb3
07/01|00:00:01|    422581|  +36| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Nd7 Bf4 Nh6 Bxh6 gxh6
Bxf7 Nxe5
08/01|00:00:03|   1263936|  +31| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Nc6 Bxf7 Nxe5 Bd5 Nf6
Bg5
09/01|00:00:13|   4478639|  +30| dxe5 dxe4 Qxd8+ Kxd8 Bc4 Nc6 Bxf7 Nxe5 Bd5 Nf6
Bg5 Bb4+ Nd2




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