Author: Georg v. Zimmermann
Date: 16:00:00 06/04/01
Hi there,
Sunsetter is a program that plays bughouse and crazyhouse chess (wild 23). I run
it on Fics via Winboard or you can play against it offline using the ZChallenger
Interface ( which allows you to play against Sjeng too, the variant master :) )
http://www.d2d4.de/sunsetter.asp
I have now released source under GPL (botton of page) and I hope to get some
feedback from 1 or 2 of the great programmers here. Its not playing "real" chess
though this makes it even more interesting for me:
- the huge branching factor in w23 makes it harder to get decent depths
- the game is always decided by long planned king attacks, something hard to
program
- humans still hold their own against the best programs at blitz
Changes to the original "DeepBug" :
Fixed some bugs ( pawn on b2 checks king on a1 now detected :), no more "Bad
Hash Move :(" etc. )
Improved Time Management
Completely new static evaluation
New extensions
Implemented Null Move
Implemented Extended Futility Pruning
Other search enhancements
Plausible Move Generation near the leaves
Some MoveGen and Bitboard speed improvements
Ghost Pieces in Bughouse
Easy way to change playing style via ini file or commands
Can annotate a crazyhouse game in bpgn
Can output a whole search tree in html
Deleted some usefull stuff, its MSVC source now ;(
Added repetition detection via hash
Lots of other things I forgot
Added some bugs
Crazyhouse ratings on Fics
1. pminear 2631 human
2. Perplexity 2501 sjeng
3. sregorg 2491 sjeng
Sunsetter 2491
5. FilthyAnimal 2471 human
6. GhostShell 2465 human
7. BarryWhite 2437 human
DragonSlayr 2437 human
9. JKiller 2430 human
10. LINDEGREN 2418 human
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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