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sirius - Othello for Gnome
Sirius is a program for playing the game of othello. The program includes an AI
(Artificial Intelligence) opponent which plays at a very challenging level and
is actually quite hard to beat. The AI opponent's strength can therefore be
adjusted in several ways to give you a suitable opponent.
The AI opponent uses a plain alpha-beta search with hashing to figure out which
move to make. To be able to tell a good position from a bad one, it uses a
pattern based evaluation function. The pattern used is the 9 discs surrounding
each corner and the 8 discs creating the edge of the board. The evaluation
function also takes mobility, potential mobility and parity into count. For the
initial 9 moves the AI opponent optionally uses a simple opening book. During
midgame it searches and evaluates about 200.000 nodes per second on a PIII
750 MHz, in the endgame this number is significantly higher due to more
transpositions and a less expensive evaluation function.
Packages
| Name |
Version |
Release |
Type |
Size |
Built |
| sirius |
0.8.0 |
5 |
x86_64 |
2.12 MiB |
Tue May 24 22:08:51 2005 |
Changelog
- * Sun May 22 18:00:00 2005 Jeremy Katz <katzj{%}redhat{*}com> - 0.8.0-5
- rebuild on all arches
- * Thu Apr 7 18:00:00 2005 Michael Schwendt <mschwendt[AT]users.sf.net>
- rebuilt
- * Fri Feb 11 17:00:00 2005 Thorsten Leemhuis <fedora[AT]leemhuis[DOT]info> - 0.8.0-3
- Include autoreconf patch; Fixes x86_64 build