Tsumego Hero
  • Sprint Intuition Rejuvenation Refinement
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    bagelfan:
    Shouldn't the only correct variation be the one that goes D1 B1 A2 because that is the only variation that kills the opponent?
    posetcay:
    Changed problem from "b to live" to "b to kill", there is only one correct sequence now.
    2. September 2023
    01:20
    Ivan Detkov:
    I removed a wrong variation.
    caranthir:
    Is the file correct now?
    9. December 2022
    01:33
    posetcay:
    Added a missing correct variation starting with C19.
    caranthir:
    Thanks.
    8. December 2022
    23:16
    Ivan09:
    D18 B19 C19 A18 - Says "Incorrect", but E19 and the problem solved without ko
    caranthir:
    Your move has been added.
    8. March 2022
    16:41
    Djab:
    I think there is a correct combination that is claimed "incorrect" : D18 B19 D19 and then B18 and E19 are miai
    caranthir:
    I agree. Added variations.
    24. July 2021
    08:11
    yaya17 :
    Black to kill What about the sequence B-D19, W-B19, B-D18, W-A18 ? White is alive, and so is black. Perhaps the problem should be labeled as 'Black to live' ? Thank you for your attention
    d4rkm4tter:
    Yes, that makes more sense.
    15. April 2021
    10:58
    Ruknight:
    This tsumego is incorrect? It says the correct sequence is C19, A18, B19. But, if white plays B19 instead of A18 it becomes a ko again like in the incorrect variation of D18 first move
    d4rkm4tter:
    Yes, so C19 first move is incorrect as it results in ko.
    3. April 2021
    13:59
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