Chapter 5. Game Tree Window
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## Chapter 5. Game Tree Window

## General

The game tree window shows the variations of the current game as a tree of nodes.

Nodes are displayed as black or white stones. A symbol containing four small stones is used for nodes containing setup stones and a gray diamond for other nodes. Nodes containing a comment have a small blue line below the node. The current node is marked with a blue background square. You can change the size of the nodes and their labels from the View/Tree menu of the menu bar

When a node is clicked on, the shortest path from the current node to the target node is computed, and a series of undo and play commands is sent to the Go program to go there.

The context menu for a node allows the user to expand or hide subtrees and to display node information and subtree statistics.

### Note

When large game trees are displayed and edited, the necessary updating of the game tree can be very slow. If this is the case, close the game tree window, if you don't need it, or avoid that too many nodes are shown in the window. You can hide nodes by using the Hide Subtree and Hide Others menu items from the context menu.

## Special Keys

The arrow keys can be used to scroll the view. In addition the following keys are defined:

Home
  Scroll to current node.
Ctrl+Enter
  Open popup menu on current node. On Mac OS X, the Apple key is used instead of Ctrl.

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