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R 1.06 Maia

 This update contains a major improvement with the inclusion of Maia. Maia is a neural network chess engine, created with the purpose of making her movements as human as possible. The Maia creation team has prepared 9 versions, from 1100 to 1900 of elo, and thus they have been included in Lucas Chess. You have all the information about Maia at: https://maiachess.com/
Recent posts

Version R

New version of the program. Continuist at user level with the previous one, but with great internal changes. This new version has been mainly tried: Update the code to a current version of the compiler, from python 2.7 to python 3.7 (based in a previous work of Alfonso Solbes). Update the graphic library, from version 4 to 5 of qt, via pyside2. Improve folder organization, with Linux support in mind. Negative consequences: It is incompatible with Windows XP. The data is not compatible with previous versions of Lucas Chess. The weight of the installer has doubled, currently around 120 Mb and the disk installation occupies 338 Mb.

Version 11.17: update of Honey and Stockfish

This update mainly contains the upgrade of two of the main engines: Honey formerly McCain, which is the default tutor used by the program, now updated to version XI. The author is Michael Byrne ( link ) Stockfish, version 11 ( link ) There are some bugs fixed thanks to LinuxOnTheDesktop and others.... Downloads  :  Update, from Information menu, Search for updates Portable:   LucasChessPortable1117.exe Installable:   InsLucasChess1117.exe

Version 11.16: update of McCain and Komodo

This update is almost the same that last, but with the upgrade of two engines: McCain that is the default tutor used by the program, now updated to version X3. The author is Michael Byrne ( link  with a lot of information). Komodo, whose authors have freed version 10 ( link ). There are some bugs fixed thanks to the feedback of Paul T in relation to chess engines tournaments, and.... Downloads  :  Update, from Information menu, Search for updates Portable:   LucasChessPortable1116.exe Installable:   InsLucasChess1116.exe

Version 11.15b: minimal fixes, minimal news

News: When analyzing without redoing, it is possible to recalculate all blunders again. (idea of Mattew A.) Database of games: added possibility of set Opening, ECO, PlyCount as tags of games in a database which it has effect when export to pgn, option in Utilities-Massive change of tags.(idea of Marc) Fide/LiChess/Fics elo, eliminated messages when user and player have done the same move.(idea of Andreas W) Fix: Erroneous elo showed in LiChess-elo menu (Andreas W) Games database, problem open some games. (Mattew A) Import pgn in Opening Lines doesn't work. (Jonathan C) From 11.15 to 11.15a Marc: Fix, saving board to an image in clippboard/file. AltK shows the new keys to be used. Andreas W: Fix, engine label when training Find best move. Andreas W: Fix, find best move, changed size of buttons that shows the moves. Andreas W: Fix, find best move, bad window size when resizing board. Stochastic13: Playing against any engine, with tutor, when move is a draw an

Version 11.14d: some engines updated

Engines updated: Stockfish 10 - Tord Romstad, Marco Costalba, Joona Kiiski -  https://stockfishchess.org/ McCain 10.1 - Michael Byrne -  https://github.com/MichaelB7/Stockfish/releases Gödel 4.5.5 - Juan Manuel Vazquez -  https://sites.google.com/site/godelchessengine News: Moves can be added via english pgn (proposed by Tobias) when in case O-O and O-O-O both are possible, O-O and a . means short castle.  alternative: o2 = O-O and o3 = O-O-O New games in Play like a GM/Play like a WGM Bugs fixed: Bad sound messages when check, mate or captures (thanks to Tobias) Evandro Borracini has fixed the next bugs: Issue #1: Training positions and Tactics, the PGN initial comment (i.e. the comment before the first move) is never shown. Issue #2: Training positions and Tactics, , the PGN last comment (i.e. the comment after the last move) is never shown. Issue #3 - Error message showed in case the engine is not found.  Remaching when playing a game against an &q

Version 11.13d: finally graphics created directly on the board

Graphics created directly on the board This is a long-demanded option, the list of people who have requested it from me is too large to include here. The working mode is similar to that of Lichess, if it is a square selected a circle is shown, if they are several squares an arrow is shown, by default.  It can be customized from the Director option, each element of the band is associated to a key (None, Alt, Shift, Ctrl) pressed at same time right mouse. Elements associated can be changed  from Director The deletion of elements is done by creating an equal element. The keys Ctrl-F1 to delete the last created element and Ctrl-F2 to delete all of them also work. When Director mode (activated by pressing F1,...F10), Shift+Alt+Right Mouse allows user to choose a piece to add. As a facility, when working in Opening Lines , with the right button you can create graphic elements that are associated with the position directly. This behaviour can be disabled from Options