Lucas Chess

An easy way to play and train chess on your PC

Version R 1.28a

The main new features of this version are:
A new in-depth review of the use of the program by Eric.
A wiki (https://chessionate.com/lucaswiki) to help, Johannes Bolzano idea and support.


Downloads

Added
  • Opening lines, possibility to add the variations calculated by the engine in the analysis tab by right clicking.
  • Opening lines, consult databases filter with current move.
  • Databases, importing the complete LiChess puzzle database from a csv file (https://database.lichess.org/#puzzles).
  • Databases, create tactics, new option to skip the first move, to support imported liChess database, where the first move is the error that generates the tactic.
  • Pawns lost in the information panel of the games. Idea and code by Johannes Bolzano.
  • Added option priority of tutor configuration.
  • Open position in ChessTempo, pressing ALT-T in any board, idea+code by Johannes Bolzano.
Changed
  • Graphics in live, changed the possibilities in configuration to show icon, show nothing or show graphics if any.
  • Maia chess engines, experimental change, more elo-based search nodes have been added, increasing their strength (I am not sure if this is in the spirit of their creators, but I have tried to make them similar in strength to other engines that have been assigned an elo).
Fixed
  • Opening lines, Export to PGN, comment and analysis included.
  • Setting a user's password.
  • Expedition to Everest, selecting games, using ramdom and shuffle.
  • Board, made a number of adjustments to its creation.
Updated
  • Eboards drivers by Graham O'Neill
  • Regular2 pieces by Tamer64.
  • Language French by Eric and Lolo
  • Language Vietnamese by Toan Luong
  • Language Greek by Nick Delta
  • Language Russian by Reinhard
  • Language German by Johannes Bolzano
  • Language Portuguese BR by Lau

Version R 1.27a

The main new features of this version are:
A new in-depth review of the use of the program by Eric.


Downloads

Added
  • Opening lines, import PGN, comments can be imported .
  • Opening lines, import other opening line, comments imported.
  • Train/Openings/With a book new option, to choose whether a menu with the valid alternatives is displayed when the move is incorrect.
Changed
  • Director, default arrows, design by Rayat Chowdhury.
Fixed
  • Message: One moment please, is not displayed on the main screen.
  • Tools/Engines/Tournaments, when copying one or renaming one and pressing Cancel.
  • Train/Games/Learn a game/playing against doesnt show information of game.
  • Train/Games/Play like a GM, advanced option, initial move.
  • Detected in Linux, eboard does not close when the program is closed.
  • 1.27a saving games in Washing Machine.
Updated
  • Eboards drivers by Graham O'Neill: improved the screens, added Bluetooth to the Certabo Linux driver and added support for Revelation boards to the DGT driver.
  • Language French by Eric
  • Language Polish by Darek

Version R 1.26

The main new features of this version are:
A new in-depth review of the use of the program by Eric.
Version 14 of stockfish.


Downloads

Added
  • Opening lines, importing polyglot books, added option: exclude transpositions.
Changed
  • When analysing with topic detection enabled, this detection is not considered if it is of a single topic and is any one between: capturingDefender, forcedMove, sacrifice, simplification, speculation, threat, weakSquare, unsafeSquare, coercion, crushing (any dissenting views are welcome)
Fixed
  • Users/passwords.
  • Train/Games/Captures and Threads, time is not correct.
  • Databases/Players the up/down keys do not work properly.
  • Train/Tactics/Training positions inconsistencies in Help button.
  • Train/Tactics/Find best move when reinit, field Rep. erroneous.
Updated
  • Language French by Eric
  • Language Polish by Darek
Engines

Version R 1.25a

The main new features of this version are:
An in-depth review of the use of the program by Eric.
Linux driver to DGT eboard by Graham O'Neill.
Automatic assignment of themes using the code created by Thibault to Lichess.
Linux, it is not possible to update to this version from the program.


Downloads

Added
  • New sets of pieces created by Maurizio Monge: Eyes, Celtic and Fantasy Alt.
  • Game analysis, added percentage loss as an additional option in blunder detection.
  • Game analysis, added the automatic assignment of themes using the code created by Thibault to Lichess.
  • Linux driver to DGT eboard by Graham O'Neill also added a DGT alternative in Windows.
Fixed
  • Train/Games/Learn a game/Playing against, very slow reading of the registers.
  • Play against an engine, when no fixed depth or time has been set and no time is played by time, it plays by error at 1 fixed second.
  • LINUX-Error accessing the internet on some distributions.
  • Tools/Openings/Opening lines when adding a promotion and when training and a move is a promotion.
  • Albums do not work.
  • Competitions/Tourney elo/Adjourn the side to play can be wrong when resume.
  • .../Config/Moves tree when the analysis is carried out it does not sort the list of moves.
  • 1.25a: Play against an engine, when opening is mandatory.
Updated
  • Train/Basics/Find all moves, added information about time/move.
  • Language French by Eric and Lolo
Engines

Version R 1.24

The main new features of this version are:
An in-depth review of the use of the program by Eric.
.
LINUX: sorry but it is not possible to update from within the programme itself, this is a bug that is fixed in this version.
One option is to download the patch: http://lucaschess.pythonanywhere.com/static/updater/update_linux0124.zip and unzip it in the program folder, replacing all the files. It is not sure it will work.


Downloads

Added
  • Regular2 is a new set of pieces created by Tamer64, based on Regular.
  • Color theme created by Tamer64, Pure green.
  • Style of windows, added the option in Options/Configuration/general.
  • Import from Version 11, included Transsiberian data.
Changed
  • Train/Basics/Find all moves, to work with a new level is needed that the previous levels are free of errors.
Fixed
  • Playing against any engine, playing as black and with time extra, the label of black player is this time extra.
  • Databases of positions, exporting to PGN when positions have no moves.
  • Databases, PGN import with games without separation line.
  • Playing, non distract mode (ALT N), shows move information.
  • Import databases from version 11, when they contains non ascii characters.
  • Add a variation playing against an engine.
  • Train/Tactics/Find best move, old trainings do not work.
  • Transsiberian, return to the initial level when the level is higher than 1.
  • Playing against any engine, time sent to eboards.
  • Analysis with fixed depth, removed limit of time.
  • Train/Openings/Training with a book, when the books are different, the correct book is not selected.
  • LINUX-The update option from the Information menu is missing.
Updated
  • Train/Basics/Find all moves, added information about time/move.
  • Language French by Eric and Lolo
  • Language German by Tobias
  • Language Polish by Darek
  • Language Dutch by Willy Lefebvre
  • Language Portuguese (BR) by Laudecir Daniel
Engines

Version R 1.23

The main new features of this version are:
1. First release of a Linux version,
2. An in-depth review of the use of the program by Eric, which has made it possible to correct many internal bugs.


Downloads

Added
  • Themes as comments added when exporting to PGN.
Changed
  • Train/Tactics/Training positions, new Help button in case where training includes the solution, replaces the automatic process by attempts.
Fixed
  • Play against any engine, the arrows are showed only when time is active.
  • Databases, arrow up and down, not only changes the register, it also moves it.
  • Train/Games/Captures and Count moves, time is added, current position and depth are corrected and the last movement is reached.
  • Train/Tactics/Turn on the lights/../Tactics by Uwe Auerswald doesn't work.
  • Databases, export positions to PGN.
Updated
  • Language French by Eric and Lolo
  • Language Portuguese (BR) by Laudecir Daniel
  • Language Russian by Johannes Bolzano
  • Language Spanish by Lucas Monge
  • Language German by Johannes Bolzano
  • Language Polish by Darek
Engines

Version R 1.22a

Downloads

Fixed
  • Date in PGN, changed "-" separator with the standard ".".
  • Play against an engine, when switching from deactivating to activating the tutor, the analysis does not work the first time.
  • Play against an engine, erroneous indication of the result on the game labels.
  • Play against an engine, opponent move select by player.
  • Databases, edit game, position of window not saved.
  • Analysis of a game, is not launched due to problems with a parameter.
  • Version 1.22a, Play current position.
Updated
  • Language French by Eric

Version R 1.21

Downloads

Added
  • Databases, Tactical themes statistics, idea and code from Johannes Bolzano.
Changed
  • Kibitzers, default point of view now is after current move.
Fixed
  • Playing against an engine, the "Adjourn" option does not work properly when the engine is running.
  • Some labels showing centipawns when they should show pawns.
  • Train/Tactics/Training positions when training has only one position.
  • Linux engines script by Laudecir Daniel.
Updated
  • Language Turkish by Mustafa Nazmi.
  • Language Polish by Darek.
  • Language Spanish by Lucas.
  • Language French by gamez-sy and Lolo.
  • Language German by Johannes Bolzano.
  • Language Catalan by Google.
  • Language Chinese by Frederich Chen.
  • Language Indonesian by Heri Darmanto.
  • Language Azerbaijani by Shahin.
  • Language Vietnamese by Toan Luong.

Version R 1.20

The main new features of this version are,
1. an option to import databases and opening lines from version 11,
2. the possibility to indicate tactical themes in the moves, idea and code by Johanes Bolzano,
3. an essential step for future Linux support, with the selection and compilation of 64 engines by Laudecir Daniel.
4. an in-depth review of the use of the program by Eric, which has made it possible to correct many internal bugs.


Downloads

Added
  • Kibitzers, added option "Point of view".
  • Move information, added tactics themes, idea and code by Johannes Bolzano.
  • Train/Tactics/Training positions, new option: Attempts before showing the solution.
  • Find best move training, added a Configuration option and more info while playing, coded by Johannes Bolzano.
  • Import from version 11 of databases and opening lines. It must be activate from Options/Configuration/General.
Changed
  • DGT board, giving priority to the driver installed in the equipment over the one included in the programme, coded by Graham O'Neill.
  • Configuration, removed Autosave tab, removed save to PGN and to CSV, __autosave__ database has all this information.
Fixed
  • Moving pieces in predictive mode.
  • Playing against an engine, with time+seconds, seconds are not added when moves are fast.
  • Polyglot books factory, creating a book, wrong order in some cases.
  • Kibitzers, option of line selected is saved on clipboard.
  • Kibitzers, Best move type shows Candidates.
  • Play like a Grand Master, when it is disabled background mode.
  • Play like a Grand Master, adjourn.
  • Playing against an engine, time of opponent when its side is black and there are seconds added by move.
  • Endings with Gaviota, takeback (help mode) fixed.
  • Configuration, Appearance, by default.
Updated
  • Language Russian by Johannes Bolzano.
  • Language Chinese by Frederich Chen.

Version R 1.19

Downloads

Added
  • Endings with Gaviota tablebases, added a takeback button in help mode.
Fixed
  • Saving as PGN, with encoding "Same as file"
  • Show a game replay in some circumstances.
  • Train, Tactics, Learn tactics by repetition, when the number of positions used is reached.
Updated
  • Language German by Johannes Bolzano.
  • Language Russian by Johannes Bolzano.

Version R 1.18a

Downloads

Changed
  • Utilities/Save/List of FENs removed because it leads to confusion, now Save FEN saves in fns files.
  • Playing against any engine/Options/The tutor thinks while you think removed, it is used general option Configuration/Engines/Work in background when possible.
Fixed
  • Train/Tactics/Training positions, when a line is finished Continue button is not working properly.
  • Blindfold options, saving configurations by name.
  • Analysis, Save all as variations, Only first move.
  • Saving as PGN, with encoding "Same as file"
Updated
  • Novag Citrine board, developped by Graham O'Neill (https://goneill.co.nz)
  • Language French by Lolo.
Engines
  • Updated Maia 1100 to 1900, Version lc0, Reid McIlroy-Young,Ashton Anderson,Siddhartha Sen,Jon Kleinberg,Russell Wang + LcZero team, https://maiachess.com/

Version R 1.17

Downloads

Added
  • Find best move training, added more functionality while playing, idea+code by Johannes Bolzano.
  • Find best move training, when joining trainings, added "Drop perfect answers", idea+code by Johannes Bolzano.
  • Tournament between engines, Finished games, Save (Database).
  • Open position in LiChess, pressing ALT-L in any board, idea+code by Johannes Bolzano.
Changed
  • Removed the option to save all log engines. Can be activated while playing from Config option.
Fixed
  • Train-Tactics-Training positions, Next/Previous when tutor active.
  • Databases, Summary, Rebuild.
  • Train-Utilities, Save PGN, Reinit.
  • Databases, Summary, Analysis.
  • Reading a PGN, symbols !? and ?! are not imported.
  • Response of tutor, when Opponent move is showed and there is a mate.
  • Analysis, save as variation.
  • Timed moves in tutor window.
  • Polyglot book factory, creating a book forget some moves.
  • Opponents for young players when playing with time.
Engines
  • Updated FOR LINUX: Stockfish, Version 13 64bits+64bmi2, T. Romstad, M. Costalba, J. Kiiski, G. Linscott, https://stockfishchess.org/
  • Added FOR LINUX: Maia 1100 to 1900, Version lc0, Reid McIlroy-Young,Ashton Anderson,Siddhartha Sen,Jon Kleinberg,Russell Wang + LcZero team, https://maiachess.com/

Version R 1.16

Downloads

Added
  • Support to Novag Citrine board, developped by Graham O'Neill (https://goneill.co.nz)
  • Digital boards, added support to takeback by Graham O'Neill
Fixed
  • Playing against beginner engines, adjourn doesn´t work.
  • Playing against any engine, changed resign limits don't work.
  • Databases, edition of games with FEN, does not take into account variations.
  • Index-Rodent Kibitzer, select side active doesn´t work.
  • Train-Tactics-Positions, random crashs.
  • Opening lines, training with engines, if lc0 is not active.
  • Databases, reading a pgn, problem when there is a fen equal to the initial position.
  • Lc0 engine for Maia, recompiled to remove optimizations.
Updated
  • Language French by Lolo.
  • Language Catalan by Google.
  • Language Italian by Michele.
  • Language Portuguese BR by Lau.
Engines

Version R 1.15

Downloads

Fixed
  • Create your own game, Utilities, Voyager 2.
  • Create your own game, Utilities, saving as image.
  • Create your own game, Utilities, saving as FEN/FNS.
  • Kibitzers-Indexes-Rodent.
  • Everest, missing button to import PGN.
Updated
  • Tournament between engines, added slow down pieces option.
  • Saving to PGN, opening and ECO tags have been added.
  • Book Classic pieces created by Ben Citak
  • Language French by Lolo.
  • Language Spanish.

Version R 1.14

Downloads

Fixed
  • Train/Games/Play like a GM/Choose the opponent's move.
  • Databases/Some problems when exporting to pgn.
  • Play against any engine, resign option is not saved.
  • Kibitzers, promotion.
  • Find best move, when repeating.
  • Determine your calculating power, problem with historic database.
Updated
  • Book Diagram pieces created by Ben Citak
  • Book Diagram-B pieces created by Ben Citak
  • Book Classic pieces created by Ben Citak
  • Book Classic-B pieces created by Ben Citak
  • Language French by Lolo.
  • Language Spanish.

Version R 1.13

Downloads

Fixed
  • Train/Games/Count + Captures, New. (R1.12a)
  • Train/Openings/Training with a book, when using Help.
  • Databases/Export to PGN when there is games from positions.
  • Train/Tactics/Find Best Move.
  • Train/Tactics/Learn tactics by repetition, when there are positions with variations.
  • Train/Tactics/Trainings, when there are positions with variations.
  • Tools/PGN/Paste PGN when there isn´t header tags.
  • Train/Tactics/Determine your calculating power, historic database doesn't work.
Updated
  • Language French by Lolo.
  • Language Portuguese (BR) by Lau.

Version R 1.12

Downloads

Fixed
  • Create your own game, changing FEN via PGN labels option.
  • Databases, editing a game, changing FEN via PGN labels option.
  • Opening lines, training secuential mode.
Engines

Version R 1.11

Downloads

Added
  • Config board colors, added image in outer border.
Fixed
  • Editing PGN labels, last change is not saved
  • Editing boxes in Director.
  • Transsiberian, playing a game.

Version R 1.10

Downloads

Changed
  • Polyglot Book Factory
Fixed
  • Competition with tutor, adjourn, pending hints not saved.
Updated
  • Book Diagram pieces created by Ben Citak
  • Language French by Lolo.

Version R 1.09

Downloads

Added
  • Train-Tactics-Learn tactics by repetition, Play current position in Utilities.
Fixed
  • Compete-Lucas-elo, when it is the engine that resigns.
  • Play against any engine, Initial moves, adding new books.
  • Transsiberian, some bugs in transitions.
Updated
  • Book Diagram pieces created by Ben Citak

Version R 1.08

Downloads

Fixed
  • Adding variations by playing against an engine.
  • Adjourn in "Play against any engine".
  • Transsiberian, fixed some bugs.
Updated
  • Book Diagram pieces created by Ben Citak
  • Language French by Lolo.

Version R 1.07

Downloads

Added
  • You can move the pieces by typing in SAN format.
Fixed
  • Some internal bugs that affect Play against any engine.
  • Play position against engine does not appear when editing variations.
Updated
  • Language German by Tobias.
  • Language Spanish.

Version R 1.06

Downloads

Fixed
  • Users don´t work.
  • Play against an engine, "Move selected by the player" doesn't work.
  • Play against an engine, Resign by engine doesn't work.
  • Play against an engine, fixed Play instead of me.
  • Play against an engine, fixed Help to move.
Updated
  • Language Dutch by Willy Lefebvre.
  • Language German by Tobias.
  • Language Greek by Nick Delta.
  • Language Spanish.
Engines
  • Added Maia 1100 to 1900, Version lc0, Reid McIlroy-Young,Ashton Anderson,Siddhartha Sen,Jon Kleinberg,Russell Wang + LcZero team, https://maiachess.com/

Version R 1.05a

Downloads

Fixed
  • Tournaments between engines, crash when changing initial fen position.
  • Erroneous reading/writing some pgn files.
  • Tactics by Uwe Auerswald, Interference difficulty 5 removed, as it has no puzzles.

Version R 1.04a

Downloads

Fixed
  • Opening lines/Databases, right button on pgn, when figurines activated, pgn copied is wrong.
  • Tables, standard keys are not working.
  • Saving PGNs, CR duplication.
  • Opening lines, problem creating a new opening (from version 1.04).

Version R 1.03

Downloads

Fixed
  • Playing against a position, crash when configured with visual effects.
  • Massive analysis, doesn´t work filtering by players.
  • Engines, STS, Configuration/Formula change.
  • Best move training, several bugs.
  • Playing against engines, losing by time assigns victory to the reverse.
  • Tourney-Elo, several bugs.

Version R 1.02

Downloads

Fixed
  • Mass analysis, hangs when including search of blunders.
  • Your daily test, hangs crash after moving.
  • Changing the color theme of the board, disables the pieces.

Version R 1.01

Downloads

Added
  • Edit shortcuts from the options menu.
Changed
  • Ben Citak antique color themes emulation revised.
  • Installation "just me" is the recommended.
  • Endings with Gaviota Tablebases, more information about the cause of termination when an attempt failed.
Fixed
  • When reading a PGN/database, consulting a game, the Next button does not work.
  • In the color configuration themes, when modifying the changes are not saved.
  • Some crashes launching the program when reading the games to present the initial positions.
  • Custom sounds, listening.
  • Endings with Gaviota Tablebases, wrong difference message when improving the result.
  • Kibitzer in one line, depth and score information not included.
  • STS, exporting to csv.
  • Changing user data folder, when starting again.
Updated
  • Language Portuguese (BR) by Lau.
  • Language Polish by Darek.
  • Language Català by Google (there is no official translator).
Engines

Version R 1.00

It does not work in Windows XP.
The data files are not compatible with Lucas Chess version 11 and earlier.


Downloads

Version 11.17

Latest version of Lucas Chess compatible with Windows XP.
User data is not exported to the next versions.


Downloads

Contact: lukasmonk at gmail