Quick start :

• Set Jester's play time (or use default settings) :

- number of seconds per move, or
- number of minutes per game, or
- K.O. game in minutes with/without bonus time per move (not available)
• Select side color for Jester.
• Then click [New Game] button to start a new game.
• To play a move, click the piece to move and click the destination square.
• Important : after loaded, Jester is playable without connection (offline mode)

• "Spy" mode :

Enabled : View Jester's thought.
• "Turbo" mode :

Enabled : Jester will use hash-table for playing - as possible -  a best game.
• Hide white & black pieces :

These options allow you to play a half or full-blindfold game.
• Variations of chess game :

- Classic game : the normal chess game (unique option available).
- Fantasy game : like as classic game, but sometimes Jester plays a strange, an unexpected  move (not really the best move) which completely baffles you and "puts fire on board".
- Clownish game : like as classic game, but when Jester gets a decisive advantage, he'll play a very bad move giving you a chance to survive.
- One-Step-Beyond : white pawns are on the 3rd rank, black pawns on the 6th rank.
- Vaureal Dawn : knights & bishops switch their initial position on board.
- Crazy Horses : bishops are replaced by knights.
- Lethal Amazones : knights & bishops are replaced by queens.
- Throne of chaos : like as Fischerandom game.
• Edit mode : (not available)

- Click [Modification] button to enter in edit mode. Select a piece with [Select Piece] button and click on the square to place a new piece. When all done, click again [Modification] button to leave edit mode.
Then, click [New game] button to start a game with the new position. White side always plays first.

• Oops! :

Take bake last player move. Not allowed in K.O. game.
Warning: Sometimes Jester cheats if you use often this button!
• Bye! :

Exit.