Tsumego Hero
  • Sprint Intuition Rejuvenation Refinement
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    Sheryl:
    + B19 , by answering B19, best answer is ko. So i think B16 is not the right answer
    Sadaharu:
    It's not a ko. Added in that refutation.
    16. October 2023
    08:11
    kovarex:
    The duplicate comment is a result of me not seeing my own comments when the problem isn't actually solved.
    caranthir:
    It's ok.
    22. March 2023
    00:21
    posetcay:
    @Sadaharu: Sorry, I didn't see your response to my earlier comment. It seems that black can't avoid ko after S15/T15 if opponent answer with P19, so I marked those moves as wrong. I still think this version is better than the original version though.
    21. March 2023
    20:24
    kovarex:
    I think this variant shouldn't be marked wrong.
    posetcay:
    Your move has been added. You seem to have posted duplicate comments so I removed the other ones.
    21. March 2023
    17:07
    kovarex:
    SGF
    21. March 2023
    17:06
    posetcay:
    This problem is very strange because white is already dead, black does not even need to play anything. Thats why I moved the S15 stone R14. S15 is one of the accepted answers to show why white was already dead.
    Sadaharu:
    What if S15 P19?
    28. November 2022
    10:28
    buddhata:
    After P1, R2... S4 is fine as well. Even R3 should work as well...
    posetcay:
    Yes, thats because white is already dead after R2 even if black doesnt play anything, updated the problem.
    28. November 2022
    06:17
    jhubert:
    After the hane at E19 and the answer at C18, why D19 is incorrect ? I think it works as the two 1-2 points which are indicated in the review.
    d4rkm4tter:
    Hi Jerome, I added your move. Great work on the Kanzufu problems. I played them and added them to the queue. I also didn't forget your request for better problem editing.
    1. October 2022
    10:58
    Morph:
    I don't see why E1 doesn't work. Even if there is extra stone at C3, ot would be L+1 shape and E1 should kill it. Yes, it's not exactly L+1 since there is no stone at B4, but i don't see how that helps.
    Farkas:
    Your move has been added.
    11. May 2020
    20:55
    theob:
    S18 R18 S19 I don't see how black can live. There is no eye in T17 (T16 S16 are miai)and if black tries to make an eye in Q19 with R19 we kill it with P19 and if P19 then R19 makes a dead shape
    Farkas:
    Your move has been added.
    11. March 2020
    16:55
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