Tsumego Hero
  • Sprint Intuition Rejuvenation Refinement
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    maho:
    Although the R17 sequence works, in a whole-board game doesn't it result in some slight bad aji for white due to reduced liberties for its group? Plus if black doesn't defend at R18 there is a chance it could get a forcing move on the outside, threatening to connect underneath. So while it is a valid sequence it seems slightly worse than the direct kill at T18
    posetcay:
    It is fine as long as both kill, this is a beginner's collection.
    7. July 2023
    12:54
    Tökömtele:
    White R17, Black R18, White T18, Black P18, White O19?
    d4rkm4tter:
    Your move has been added.
    27. February 2022
    13:39
    Bijan:
    Neither C2 nor C3 are considered valid, even though they both kill.
    d4rkm4tter:
    Ok lets add c3.
    24. June 2020
    19:27
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