The issues should be fixed now in 4.8
You can download from: https://www.mdgsoftware.nl/draughts/install.html
* Option to show the board in 3d
* UI improvements
* engine improvements: +15% speedup of the move generator (minor effect on overall peformance)
* gui bugfixes: showing the gametree, endgame generation
* option to download 7 piece endings

Dragon v4.7
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Krzysztof Grzelak
- Posts: 1449
- Joined: Thu Jun 20, 2013 17:16
- Real name: Krzysztof Grzelak
Re: Dragon v4.7
MichelG - I downloaded the database 7 piece - unfortunately it is not complete. Will provide full 7 piece database.


Re: Dragon v4.7
Hi Michel,MichelG wrote: Mon Jul 13, 2026 16:55 The issues should be fixed now in 4.8
You can download from: https://www.mdgsoftware.nl/draughts/install.html
* Option to show the board in 3d
* UI improvements
* engine improvements: +15% speedup of the move generator (minor effect on overall peformance)
* gui bugfixes: showing the gametree, endgame generation
* option to download 7 piece endings
Congratulations for this update, also for the engine improvements.
Friendly, Sidiki
Re: Dragon v4.7
Hi Krzysztof,Krzysztof Grzelak wrote: Tue Jul 14, 2026 07:53 MichelG - I downloaded the database 7 piece - unfortunately it is not complete. Will provide full 7 piece database.
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There is no need for those, they are left out on purpose. It is better to spend the memory usage on other databases than the mirror images.
A 1 ply search in 4 vs 3, will find the position in the 3 vs 4 database.
Michel
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Krzysztof Grzelak
- Posts: 1449
- Joined: Thu Jun 20, 2013 17:16
- Real name: Krzysztof Grzelak
Re: Dragon v4.7
Thank you for your reply MichelG. It is possible to send the full 7 piece database.MichelG wrote: Tue Jul 14, 2026 18:21 Hi Krzysztof,
There is no need for those, they are left out on purpose. It is better to spend the memory usage on other databases than the mirror images.
A 1 ply search in 4 vs 3, will find the position in the 3 vs 4 database.
Michel
Krzysztof
