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## Window Menu and Toolbar

## Navigation Buttons in Toolbar

Beginning

  Go to the beginning of the game.

Backward 10

  Go ten moves backward in the current variation. The button supports autorepeat if pressed and held.

Backward

  Go one move backward in the current variation. The button supports autorepeat if pressed and held.

Forward

  Go one move forward in the current variation. If the current position has several follow-up variations (i.e. the current node in the game tree has several child nodes), the first variation will be used. The button supports autorepeat if pressed and held.

Forward 10

  Go ten moves forward in the current variation. If a position has several follow-up variations (i.e. the current node in the game tree has several child nodes), the first variation will be used. The button supports autorepeat if pressed and held.

End

  Go to the end of the current variation. Like Forward, this also uses the first variation in positions with several follow-up variations.

Next Variation

  Go to the next variation to the last move played (i.e. the next sibling node of the current node in the game tree).

Previous Variation

  Go to the previous variation to the last move played (i.e. the previous sibling node of the current node in the game tree).

## Game Menu

New

  Start a new game.

Rated Game

  Start a new rated game against the computer.

Game Variant

  Select a game variant and start a new game of this game variant.

Game Info

  Display or edit additional information about the game like the name of the players or the date when the game was played.

Undo Move

  Undo the last move played and remove it from the game tree. Undoing a move is only possible if it is the last move in the current variation (i.e. a leaf node in the game tree; use Edit/Truncate to remove inner nodes of the game tree).

Find Move

  Find a legal move for the current color and display it for a few seconds on the board. Selecting this item repeatedly will show all legal moves.

Open

  Load a saved game. The board position after loading will be the last position in the main variation unless the game starts with a setup position. If the game starts with a setup, the board position will be the first position instead. This avoids that solutions are immediately shown if the file contains a Blokus puzzle as a setup with the solution as the main variation.

Open Recent

  Load a recently used game.

Open Clipboard

  Open a game from a text copied to the clipboard. The text must be a valid game in Pentobi SGF file format.

Save

  Save the current game.

Save As

  Save the current game under a new file name.

Export/Image

  Save the current position as an image file. Several image file formats are supported, the file format is derived from the file name ending (e.g. ".png" for the PNG format). For a crisp image, the image width should be an integer multiple of the number of board columns in the current game variant.

Export/ASCII Art

  Save the current position as a text diagram. The text diagram should be viewed using a monospace font.

Quit

  Quit Pentobi.

## Go Menu

Move Number

  Go to the move with a given move number in the current variation.

Main Variation

  Go back to the last position in the current variation that belonged to the main variation.

Beginning of Branch

  Go back to the last position in the current variation that had an alternative move.

Next Comment

  Go to the next position that has a comment. If the comment text field was not visible, it will become visible. Selecting this item repeatedly will show all positions with comments in the game tree.

## Edit Menu

Annotation

  Add a chess-style annotation symbol (e.g. ‼) to the current move. The symbols are appended to the move numbers in the status bar and, depending on the configuration of Move Marking, on the board.

Make Main Variation

  Make the current variation the main variation of the game. This reorders the nodes in the game tree such that the current variation becomes the main variation.

Variation Up

  Changes the order of variations such that the current position will appear earlier when iterating over the variations with Next Variation /Previous Variation.

Variation Down

  Changes the order of variations such that the current position will appear later when iterating over the variations with Next Variation /Previous Variation.

Delete Variations

  Delete all variations but the main variation. If the current position is not in the main variation, it will first be changed to a position as in Back to Main Variation.

Truncate

  Remove the node with the current position, including any subtree, from the game tree.

Truncate Children

  Remove all child nodes of the node with the current position from the game tree.

Keep Position

  Delete all moves and keep only the current position as a setup. This can be used to create files that start with a given fixed position.

Keep Subtree

  Like Keep Position but does not delete the moves after the current position.

Setup Mode

  Enter or leave setup mode. In setup mode, pieces can be placed anywhere on the board, even in violation of the game rules. Existing pieces can be removed from the board by clicking on them. The currently selected color also determines the color to play after the setup is finished. It can be changed with Next Color or by clicking on the orientation selector while no piece is selected. Setup mode can only be used if no moves have been played yet.

Next Color

  Choose the next color for selecting pieces. This can be used for example to enter game records, in which moves of a color were skipped because the color ran out of time.

## View Menu

Appearance

  Coordinates

    Display coordinates around the board for the fields on the board. The convention for the coordinates is the same as in the Blokus SGF file format used by Pentobi.

  Show variations

    Appends a letter to the move number on the board if the move has variations. If moves are marked with dots instead of numbers, a circle will be used instead of a dot for moves not in the main variation.

  Move number

    This option exists only in desktop mode and shows the move number, move annotation and variation information at the right side of the status bar.

  Animations

    Enables or disables the piece rotation, flipping and placement animations.

  Color theme

    Changes the colors of the window, board and pieces.

  Move marking

    Change the way moves are marked on the board. The options are to mark the last move played with a dot or with a number, or to show the numbers of all moves, or not to show any marks.

  Show comment

    This option exists only in desktop mode and configures the visibility of the comment area when the position changes. By default, the comment area is only shown if a comment exists for the current position.

Comment

  Toggle the visibility of the comment area in the current position.

Fullscreen

  Make the main window full screen or leave full screen mode. To leave fullscreen mode without using the window menu, press the F11 key.

## Computer Menu

Settings

  Select which colors are played by the computer and the playing strength for the computer. Higher levels are stronger but can make the computer take a long time for playing moves on slow computers.

Play

  Make the computer play a move for the current color. This can be used to change the color the computer plays or to resume playing after navigating in the game tree. If the computer did not already play the current color, it will play this color (and only this color) from now on.

Play Move

  Make the computer play a single move for the current color without changing the colors played by the computer.

Stop

  Abort the current move generation. You can make the computer continue to play by selecting Play.

## Tools Menu

Rating

  Show a dialog window with the rating of the user in the current game variant.

Clear Rating

  Deletes the rating information and history for the current game variant.

Analyze Game

  Perform a game analysis.

Clear Analysis

  Deletes the analysis for the current game.

## Help Menu

Pentobi Help

  Show a window to browse the Pentobi user manual.

About Pentobi

  Show an info dialog with information about this version of Pentobi.

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