Connecting stones is important skill both in capture go and go. Keeping stones connected helps keep stones safe. If the opponent can cut stones into separate groups, it is more difficult to protect both groups.
The player can capture a stone by playing into its last liberty. In the diagram a white stone A is captured when black plays to B. Liberties are empty intersection connected to a stone by line.
The game starts from an empty board, and black plays the first stone. The goal is to surround empty territory and capture opponents stones. Game ends when both players pass. Stones can be captured in the same way as in capture-go. Repetition of same board position is forbidden similarly to capture 3 game.
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In following problems you need to identify last remaining place, where points could earn, or reduced. The gained points are marked in the correct answer. The lost reduction opportunities are marked in wrong variations.
A string of stones is captured by playing into string's last liberty. In the diagram white stones (A) are captured when black plays into B. A stone string consists all the stones connected by lines. A string does not connect diagonally.