CCRL Discussion Board

I'm very happy to announce the release of Orion 1.0 , a new version of my little chess engine ! This version includes: a neural network trained "from zero", using only game results (1-0, 0-1, 1/2-1/2) and material as labels and targets ; quantization of weights and biases, resulting in a 4...

I'm happy to announce the release of Orion 0.9, a new version of my little chess engine with : - support for SMP ; - a 24x smaller neural network ; - speed improvement and memory consumption reduction ; - correction of a small bug in 3-pieces endgame evaluation. More information (and important note...

Thanks to all of you ! ... PS. My only problem is that I had to create a new Orion 0.9 folder to avoid a 'collision' (because the networks are named the same). @Gabor : I'm sorry about that. I did not anticipate that someone could put several versions of Orion in only one directory (it can make sens...

I'm happy to announce the release of Orion 0.9, a new version of my little chess engine with : - support for SMP ; - a 24x smaller neural network ; - speed improvement and memory consumption reduction ; - correction of a small bug in 3-pieces endgame evaluation. More information (and important note ...

After all my NNUE experiments, it's time to release a new version of my little engine Orion ! The main changes are : - the use of a "NNUE-like" neural network as evaluation function ; - the release of both my trainer (Python) and inference (C langage) source code as a "library". ...

Another year, another release :) I'm happy to announce a new version for my little engine Orion ! A lot of work, with a complete rewrite of evaluation function and tuning method. Orion now supports Syzygy tablebases and embeds its own KPK bitbase, both should help a lot in endgame phase. More detail...

I'm happy to announce the availability of a new version of my little UCI engine : v0.4 ! I concentrated all my efforts to improve the search function, and the new version should clearly be better than the previous one (I hope in the range of 50-100 elo). A BMI2 version of the engine is also provided...

Thanks a lot Graham for running all these tournaments ! I'm working hard on a new version of Orion, and hope to release v0.4 before the end of the year... to maybe be promoted to division 6 next time, who knows ?!

I have been following closely this tournament : what a battle for the third place ! I need to work hard again to see Orion being promoted next time
Congratulations to all author, and again, thank you Graham for the organization of these matches. Happy new year to all of you !

Rules for entry are: 1. The engine must be the most recent free version available. Only one version per engine. 2. The engine must be capable of running on an older machine - SSE3 instructions or older. 64-bit preferred but 32-bit will be used if unavailable. 3. The engine must be stable. If it cra...

http://orionchess.pagesperso-orange.fr/img/Orion.jpg I'm pleased to announce a new release of my UCI engine Orion :) I focused this version on improving search and speed of the engine : Orion 0.2 includes notably an attempt to automatically detect and use 'popcnt' instruction if present on your CPU...

I just saw : thanks a lot Graham
David.

http://orionchess.pagesperso-orange.fr/img/Orion.jpg I'm pleased to release a first public version of my little UCI engine : Orion 0.1 ! Information, executable and logo can be found here : http://orionchess.pagesperso-orange.fr Note that only a 64 bit version for Windows is provided (without the p...