Puzzles about chains

[Samraku]

Very similar (but different) puzzle

A liberty puzzle

This has nothing to do with regular go, probably not very interesting to most people On this 5x5-board, there are 8 black chains, and 4 white chains, each with 2 liberties: [2] Can you find a way to fit more than 12 chains on 5x5 board such that all chains have 2 liberties? How about for 1, 3, or 4 liberties? The best numbers I got after a few minutes of playing around (very likely not optimal yet): 1 liberty: 18 chains 17 chains 2 liberties: 12 chains 3 liberties: 12 …