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The Window Menu

Game

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 colour 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 saved game.
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).
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

Beginning
Go to the beginning of the game.
10 Backward
Go ten moves backward in the current variation.
Backward
Go one move backward in the current variation.
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.
10 Forward
Go ten moves forward in the current variation. Like Forward, this also uses the first variation in positions with several follow-up variations.
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).
Go to Move
Go to the move with a given move number in the current variation.
Back to Main Variation
Return to the last move in the main variation that had a variation.
Beginning of Branch
Go back to the last position in the current variation that had an alternative move.
Find 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

Move Annotation
Add a chess-style move annotation symbol (e.g. !!) to the current move. Annotation symbols are shown after the move numbers on the board and only visible if move numbers are shown.
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.
Move Variation Up
Changes the order of variations such that the current position will appear earlier when iterating over the variations with Next/Previous Variation.
Move Variation Down
Changes the order of variations such that the current position will appear later when iterating over the variations with Next/Previous Variation.
Delete All Variations
Delete all variations but the main variation. If the current position is not on the main variation, it will be changed to a position in the main variation 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 children nodes of the node with the current position from the game tree.
Keep Only 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 Only Subtree
Like Keep Only 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 colour also determines the colour to play after the setup is finished. It can be changed with Select Next Colour or by clicking on the orientation selector while no piece is selected. Setup mode can only be used if no moves have been played.
Select Next Colour
Choose the next colour for selecting pieces. This can be used for example to enter game records in which moves of a colour were skipped because the colour ran out of time.

View

Toolbar
Show or hide the toolbar.
Toolbar Text
Configure the appearance of the toolbar.
Comment
Show or hide a text field to display or edit comments on the current position.
Move Numbers
Change the way move numbers are displayed on the board. The options are to show only the number of the last played move (or last played moves if the computer plays several moves in a row) or to show the numbers of all moves or not to show any move numbers.
Coordinates
Display coordinates for the fields on the board around 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 moves has a variation.
Fullscreen
Make the main window full screen or leave full screen mode. It is platform-dependent if the window menu is shown in full screen mode. To leave full screen mode without using the window menu, press the F11 key.

Computer

Computer Colours
Select which colours are played by the computer.
Play
Make the computer play a move for the current colour. This can be used to change the colour the computer plays or to resume playing after navigating in the game tree. If the computer did not already play the current colour, it will play this colour (and only this colour) from now on.
Play Single Move
Make the computer play a single move for the current colour without changing the colours played by the computer.
Stop
Abort the current move generation. You can make the computer continue to play by selecting Play.
Level
Change the playing strength of the computer. Higher levels are stronger but can make the computer take a long time for playing moves on slow computers. The computer will remember the level last used separately for each game variant and restore it when the game variant is changed.

Tools

Rating
Show a dialog window with the rating of the user in the current game variant.
Analyse Game
Perform a game analysis.

Help

Contents
Show a window to browse the Pentobi user manual.
About
Show an info dialog with information about this version of Pentobi.

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