RightClick : Camera rotation
LeftClick : Select piece
Space : Center view on chessboard
Ctrl + LeftClick : Unlock selected item
Ctrl + RightClick : Camera translation
Ctrl + S : Save game
Ctrl + R : Load last saved game
Alt + S : Download savegame file
Alt + R : Load savegame file
Ctrl + Z : Undo last action
Ctrl + G : New game
Ctrl + P : Unlock all objects
Z Q S D : Rotate table (if objects unlocked)
NumKey : Preset camera views
Esc : Hide on-screen display