Beta version expires 2/2013
Installation:
- install dragon v2.4
- download setup dragon-3.0beta.exe
- install in the same the directory you installed dragon v2.4
changes:
update 12-1-2008: added new french translations + changed expiration date to 2010
#Massively improved game analyses:
Dragon spends more time on interresting positions, less on obvious moves
Analyses is created as game variant
Continuation is done on full search depth
Evaluation at end of game
Quick game analyses option: checks for blunders and gives quickly produces score graph
Automatic threshold: lower the comment threshold at longer thinking times
#General changes:
Fixed bug when windows went into screensaver
Form to quickly enter a new game, or copy & paste a game from a website or other document
Game moves are now implemented as a tree, allowing for variants, and variants of variants, ad infinitum
Graph displaying score during the game
Option form split in 3 seperate tabs
Options to change some of dragon's colors.
#Engine improvements
Dragon can now utilise multi-core processors. Speedup is still modest though. Measured as time to reach
a certain level of play, dragon is 1.55 times faster on dual core, and 1.99 times on a quad-core. Set
up the number of processors you want dragon to use in the options.
Endgame databases are now accessed directly from disk if there are not available in memory
Improved database compression. All 6 piece endings now fit on a single CD
About 10% speed improvement
Improved move ordering
Improved identication of drawn endgames
#Bugfixes:
Lastgame.pdn can't be overwritten anymore by an empty game
Save as applet problem fixed
Infinite analyses did not work when still in opening book
Position analyses sometimes produced invalid continuations on lower depths