The best mobile app for chess lovers! only for Android mobiles, and with lots of possibilities:
Play against AI
- Selectable ELO Levels to adjust playing strength, from 1000 to 2100, on 50 ELO points steps
- Selectable time per move: changing the ELO and the time per move, lots of difficulty levels can be selected
- Opening book with more than 30.000 positions: ensures variated funny games
- Can undo/redo all moves (you can also undo/redo moves by making a gesture from left to right/right to left on any unused part of the screen)
- Send PGN by email: This way, you can analyze later your games on your PC
- Graphical setup board, also can edit position’s FEN notation
- On closing, saves the current game and it is loaded when the application is restarted
Play Online
- Play on internet at freechess.org (FICS) or at chessclub.com (ICC)
- Play as guest or as a registered user (on ICC only as registered user)
- Seek/offer match rated and unrated
- View seeks posted by other users. Can sort seek list by username, rating or game time
- Takeback, draw, abort, resign and rematch options when playing
- Console to see server output and to send commands, also for chatting with other users
- Play, Finger and observe, can also observe LectureBot on FICS or play ProblemBot on ICC
- Examine games (works with puzzlebot or the “exl” command to examine your last played game)
- Timeseal (FICS) and Timestamp (ICC): avoids lag problems
- Option to confirm moves before sending to the server. Forward and Backward buttons are converted on Confirm/Cancel buttons

Chess Problems
- 2900+ chess problems to solve looking for the best moves: problems collected by Uwe Auerswald, from Germany
- Selectable problem difficult (Easy, Medium and Hard Problems)
And with the Best Interface
- Clean, simple and intuitive interface (options appear after pressing the “MENU” key)
- Move by dragging and dropping the piece with useful guide lines
- Also move by tapping the origin and the destiny squares or with the trackball
- Portrait and Landscape mode
- Shows legal moves (as yellow traslucid squares)
- Highlights last move (with a yellow arrow) (may be disabled with a settings option), also move hints (as a green arrow) after a request in the menu
- Four piece sets (Merida, Leipzig, Berlin and Staunton) and five board styles (Blue, Brown, Gray, Marble and Wood)
- Shows a dot on the side to move (the point is of the moving side color) and can show board coordinates
- Shows captured pieces advantage for each one of the sides (as an example if black captured 3 pawns and whites 2, it shows an advantage of 1 white pawn for blacks)
- Speak moves, checks and game results
- Sound and vibration
- Option to keep the screen on when playing
It is on sale at the Android Market by 1.99 EUR or at SlideMe.org by 2.49 USD.
There is also a free version “Mobialia Chess LITE” with the following limitations:
- Only the highest ELO level (2100)
- Only the “1 second per move” level
- Play on FICS only as guest (ICC only in the paid version)
- Supported by Ads
It’s proudly powered by our Open Source Chess Engine Carballo, so any comments about its gameplay will be welcome.
Support
Please send to chess@mobialia.com all the comments, bugs and feature request.
History
- Version 3.0: The new 3.x series start with the support for ICC, and many other improvements:
- Support to play online on chessclub.com (ICC) with all the options already avaiable on FICS (timestamp, observe, examine, etc.)
- New engine Carballo 0.5, 150 ELO points stronger than the previous version
- Selectable ELO level for the engine from 1000 to 2100 ELO points in 50 points ELO steps
- Graphical setup board
- Solves a draw by threefold repetition detection bug
- When choosing to play a problem on “play vs android”, marks the “alternate” option on the Opponent setting to play the puzzle with the winning color
- Option to disable the arrow showing the last move
- Solved bug rotating 270 degrees on Android 2.2
- Solved a bug when playing offline and receiving a incoming call, sometimes game was lost THIS BUG IS NOT SOLVED IN THIS VERSION, WORKING
- Solved a problem with the gin variable on FICS: now is set to 0 on connecting
- And other minor bugs…
- Version 2.9: Ending the 2.x series, trying to solve remaining bugs and adding some minor features:
- Now you can move the app to your SD card on Android 2.2
- New clocks code, when screen gets blank or other activity start, clocks continue to run in background
- Added 3 and 7 seconds move time when playing vs Android
- Solved force close when setting an incorrect FEN
- Removed the black square on d5 when starting a new game or a new chess problem
- Problem summary to be a toast
- Included a new menu option on problems “Play Position” to move the current position to the “Play vs Android” board
- Now you can examinate games (i.e. for puzzlebot or with the “exl” command)
- Adjudicate game when clock reaches 0 (autoflag)
- Seek dialog now remembers the last seek from the last time
- Sometimes, playing on fics with black, the board does not autorotate: changed the method used to rotate
- While in view seeks->console, if status changed to playing, go to the board OK
- Solved some FCs with NullPointerException
- Version 2.8: A big effort to solve all bugs and include petitions from users:
- Auto-flip board when playing human vs human
- BUG: Clock fails in human vs human mode
- BUG: Do not show promotion dialog if invalid move
- Allows to pick up pinned pieces or any of your pieces that can’t move, but when dropping set the move as invalid
- Background issues: removed background
- List of pending offers
- Reconnect button also when playing
- Chat in tabbed console, also supports receiving kibitzes
- User finger
- New checkbox option in the settings “Confirm Moves”. When checked asks confirmation for each move (the forward and backward buttons change into a confirm/cancel buttons)
- Observe games. Can also observe LectureBot
- Timeseal option now enabled by default
- Seek list sorting configurable by a settings option: by username/by rating/by game time
- Seek list shows when a seek is set to manual accept
- Seek list styling
- BUG: Seek list now distinguish between computer, guest, titled, and registered
- Console: word wrap
- Console: don’t show seeks
- Version 2.7: New features:
- Setting to turn off the display sleep timer when using the app
- Dialog to ask for promotion piece
- Timeseal (avoids lag problems)
- Removed unregistered title
- Continuous gc after closing fics connection (draining battery)
- Seek Dialog: manual accept, ratings range and use stored formula options
- Version 2.6.1: Version 2.6 had a bug involving forward gesture detection: tapping on any part of the screen was interpreted as forward.
- Version 2.6: Lots of changes, many thanks to all the people who contributed with their ideas (some remain for the next version):
- On screen backward and forward buttons. Undo removed from menus. Now you can also redo moves in offline and problems
- Captured pieces in portrait mode moved up to fit buttons
- Sound as an option in preferences
- Seek list is now refreshed each 5 seconds, makes easier to select a mach offer
- FICS console should now stays at the end of the buffer when moved to the end
- Now shows player titles (unregistered, computer, GM, etc)
- Confirmation to abort/resign the match when pressing back
- Takeback option, asks in a dialog if you are going to takeback a half-move or a complete move
- If you are checkmated the notification completely obscures the chess board, now you can show the board again with a new button
- Option in Settings to not auto-play problems when best move found, now lets you go investigating move by move
- Send PGN by email failed on some mobiles. Now saves a mobialia_chess.pgn in the root of the sd card before sending it
- Online play en passant not working
- FICS reconect failed sometimes
- FICS Console failed with an OutOfMemory error
- Solved FICS Check after leaving check and duplicated notifications
- Version 2.5: Renamed from Carballo Chess. Improvements on FICS play: new match offer, rated/unrated on lists and seek/match offers (disabled for guest), draw and abort offers when playing… Thanks a lot to Steve for his good ideas, I will continue, to work.
Chess Problems
Online Play
Online play:
Online Play
Online Play
Chess Problems
Bugs Solved
Mobialia Chess in Other Pages