Click on individual versions below to see their release notes.
Engines
- Fixed crash when AI pondered cube actions in a backgammon game
GUI
- Added new menu item "Analyze From ID" to Game Menu
- Fixed result and message when player drops the cube
- Fixed XGID visual issues in analyze window
- Changed name of "Tapa" variant to "Start with 3 stacks"
- Changed names of Tavli AIs in start game dialog
General
- Fixed bug: Language change was not applied at next startup
- Fixed bug: Error in .tavli file when saving game with manual dice and start player is CPU
Engines
- Added Narde NNs (Narde-1, Narde-2)
- Fixed bug: wrong 3-ply evaluation when terminal moves exist
UI
- Added Narde analysis
- Added highlighted color to options
- Analysis window visual improvements
Engines
- Added match play
- Added Tavli variant
- Added Backgammon variant
- Added 3ply search
UI
- Export positions to XGID format
Other
- Updated Qt to version 6.8.0 beta 4
- Many bug fixes and performance improvements
Engines
- Neural Network implementation now uses the Eigen library and SSE2 intrinsics. Up to 3x faster Neural Network computations, up to 2x faster in actual play
- Palamedes may not run on old processors that do not support the SSE2 instruction set. Processors newer than 2006 should be fine
- Fixed bug in Narde's move generation: Incorrectly allowed primes in opponent's home board when the point right before the home board is occupied
UI
- New option enables the computer opponent to resign a double game when it detects that there is 98% or more probability of losing a gammon (Default: Enabled)
- Fixed bug: when in automatic playing mode and the user resigned a game while moves where played automatically, the game was not stopped
- Files with .tavli extension are now associated by default with the Palamedes program
Engines
- Added Hypergammon variant. Up to 6 starting checkers supported. Portes NNs are used for AI opponents
- Added Nackgammon variant. Portes NNs are used for AI opponents
- Added Takhteh variant. Portes NNs are used for AI opponents
- Added several optional rules for Portes variant: Egyptian Rule, Nackgammon start position, No pip wastage in bearoff, No hit and run in player home board
UI
- Program now displays filename and gametype of current game on the title bar
- New Statistics dialog. Statistics are updated by gametype and AI opponent after the end of a game
Engines
- Added Narde variant. AI opponent can be a Fevga neural network
- Fixed bug in Fevga's move generation method when in a special case of the Fevga Start rule
- Optimized Fevga's move generation method by 15%
- Added rules for subvariations of Fevga, Plakoto
- Added pin databases for the Plakoto variant
UI
- Simplified start game dialog and options dialog
- Added options for Plakoto, Fevga rules
- Added 4 pseudo-random dice generation methods with seed support
- Fixed crash when loading game files with errors
- Loading a game file now displays the last position of the game
Engines
- Added Plakoto-5, Fevga-6 engines. These engines are stronger than the previous ones
- Removed some weak engines
UI
- New option: change checker color
- New option: automatically check for new version at startup
- New option: faster play and automatically play forced moves
- New option: select program language (English, Greek, German supported)
- Pipcount can be viewed in the toolbar
- Added program manual in English
Other
- Program now installs using NSIS Nullsoft installer
- Fixed program icon
Engines
- Portes/Backgammon can now use a special 2-sided endgame database. This DB is loaded on startup if it exists
UI
- Added option that prunes the move list keeping the x best 1-ply moves for expansion to 2-ply. When set to 0 all moves are expanded
- User can now remove the remaining moves of a game starting from a selected position on the scoresheet