ChessGenius for iPhone and iPod touch
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General Hints and Tips
  • Making moves
    Moves can be made by dragging a piece or by tapping the 'from' square and then the 'to' square.
    Note: ChessGenius displays the pressed square in algebraic notation whilst a square is pressed.
  • Take back, Step forward
    ChessGenius allows unlimited take back and step forward has and "back to start" and "forward to end" commands
    Note: Take back reverses a single move so has the effect of changing sides. To avoid changing sides take back twice.
    Note: Step forward steps a single move so has the effect of changing sides. To avoid changing sides step forward twice.
  • Clocks
    The chess clocks show time as minutes:seconds or hours;minutes. Note the ':' or ';' If the playing level is set to 'Game in ..' the clocks count down to show the remaining time. When time has run out '--:--' is displayed. If the playing level is changed mid game the clocks are set to appropriate times.
  • Championship
    The "Championship" symbol is displayed if you have not used Hint or Next best, Taken back moves or viewed the analysis. Can you beat ChessGenius without help?
  • Next best move
    After ChessGenius has played a move "Next best move" will force ChessGenius to take back its last move and compute the next best move. This is useful for forcing ChessGenius to play a particular opening and for analysing positions.
  • Landscape display
    Rotate your device to play in landscape mode.
Options and New Game
  • Playing Level
    Choose one of the 33 different playing levels.
    - 13 easy levels. ChessGenius makes deliberate mistakes.
    - Ten time based levels. Move instantly, Move in 1 sec... ChessGenius will take on average the specified amount of time to think about each move. (The longer it thinks the better it plays)
    - Ten Blitz levels. Game in 1 min, 2 min,... The Chess Clocks count down in these levels. ChessGenius will play the entire game in the specified amount of time. (The longer it thinks the better it plays)
  • Players
    Analyze game. This is like Two player but ChessGenius thinks and shows its thinking on the screen. Useful for playing over games.
  • Permanent brain
    If 'On' ChessGenius will calculate whilst waiting for your move. ChessGenius will play stronger but battery life will be reduced.
  • Tutor
    If 'On' ChessGenius will warn if you make a weak move and give the option of taking it back. Useful for beginners.
  • Show legal moves
    If 'On' ChessGenius will show legal moves. Tap on a piece to see where it can move to.
  • Show last move
    If 'On' ChessGenius will show the last move that it made.
  • Sounds
    Switch off to prevent sounds when ChessGenius moves or select a volume
  • Piece set
    Choose between 6 styles of chess pieces.
  • Board color
    Choose one of 8 board colors
  • Show analysis
    The Analysis shows the thinking process of ChessGenius and optionally the pieces that have been captured or the number of positions searched and positions searched per second. It can be off, score only, score and search depth and line of best move. For example, the line may show:
    '1.03 05 cxd4 Nxd4 Nc6 Bb5' This means that: ChessGenius is winning by 1.03 pawns, Search depth = 5, and line of moves. ChessGenius is planning cxd4 and expects Nxd4 in reply etc.
  • Hash size
    ChessGenius plays stronger with bigger hash tables especially at higher playing levels.
Save / Load game
  • Select database
    A list of all pgn databases that belong to ChessGenius is displayed and you can choose one. Databases can be renamed or a new empty database created.
  • Load game
    This brings up a list of the games in the current database. Tap on a game to see the full details. You can then select "Load game" or "Delete game". Delete game removes the game from the database.
  • Load next game
    After a load game this loads the next game from the database.
  • Save game
    Saves the current game to the game database.
  • Clipboard
    Games can be copied to the clipboard or pasted from the clipboard.
  • Email game
    Send the current game by email.
  • Game details
    Shows the details of current game and allows them to be edited. These details are saved when a game is saved and restored when a game is loaded.
  • Note about databases:
    ChessGenius saves games in PGN database files. ChessGenius can handle multiple databases and each database can contain multiple games. iTunes file sharing provides an easy way to import and export databases to/from ChessGenius.
Setup position

Select Setup position from the menu

  • To add a piece first select the piece type from the additional piece box.
  • To clear a square select the empty box from the additional piece box.
  • To change the side to move selwect White/Black to move from the menu.
  • Tme menu has additional setup commands like Clear board and New board.
  • The castling and en passant status and move number can be set after a legal position is setup.
  • You cannot exit with "Done" unless the position is legal.
  • Cancel returns to the position before Setup was selected.

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Copyright © 2014 Lang Software Limited. All rights reserved. This page last modified October 2014