Select the type of game you want from the app's main screen:
One Player is a single player game against the AI.
Two Player is a two player game with a friend playing on the same device.
Online is a two player game with a friend or auto matched player online using Game Center.
It's your turn when your name is bolded.
To make a move simply tap/click a piece to select it, then tap/click a square to move it to. You can also drag a piece to the square you want to move it to. Note that the move will only be performed if it's legal.
After selecting a piece, the squares that the piece can legally move to will be shown with a blue highlight. This can be enabled or disabled in Settings.
Squares highlighted in green show the previous move. This can be enabled or disabled in Settings.
When the king is in check their square will be highlighted red.
Captured pieces are displayed next to the capturing player with the score difference shown for the player currently in the lead.
Completed moves will be shown in the move list in Standard Algebraic Notation above the game board in Portrait or to the right in Landscape (iPad only). You can select a completed move from the move list to go back to that move.
In offline games if enabled the timer for each player will countdown from the selected time duration while it's their turn until it reaches 0 where that player will lose the game.
The action toolbar provides a actions you can take during a game:
Edit settings during a game. Note that you cannot turn off the timer if it has already started.
Rotate the chess board at any time.
Suggest a move if you ever get stuck or need a hint.
Undo a move. You can undo all the way back to the start. Note that you cannot undo in online games.
Redo a previously undone move. You can redo all undone moves. Note that you cannot redo in online games.
Automatically switch between light and dark mode inline with the system or override to your preferred appearance.
The game timer can be enabled or disabled. When enabled there are a number of possible durations to choose from ranging from 1 to 30 minutes.
The AI difficulty can be set to Easy, Medium or Hard. The harder the difficulty, the longer the AI will take to make its move.
Highlight last move can be enabled or disabled. When enabled, the previous move will be shown by highlight the from and to squares in green.
Show legal moves can be turned enabled or disabled. When enabled, the squares a piece can legally move to will be highlight in blue when a piece is selected.
Board rotation can be enabled or disabled. When enabled, the board will rotate after each move when playing a two player game.
Game sounds can be turned enabled or disabled. When enabled, sounds will be played for each move.
On iOS, the app will switch between light and dark automatically.
Likewise on macOS, the app will switch automatically but you can also change the mode from the menu bar View > Appearance.
Get in contact
If you have any questions about the game or ideas on how to improve it, please email me.