Tsumego Hero
  • Sprint Intuition Rejuvenation Refinement
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    It might be a better topic: Black to get the best result. After black c17 and white e17 the three white corner stones are already captured. The rest of playing aims to kill the second white group as well as keeping the black side group alive.
    These problems have a theme of removing stones from the board, not just killing. So I think in this case too it's pretty obvious with the default hint. Besides, the B17 group is not necessarily captured - imagine a white stone out of view at B10 for instance.
    4. June 2022