Tsumego Hero
  • Sprint Intuition Rejuvenation Refinement
    3k (1838)

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    kovarex:
    I added few variations where forcing moves before winning were considered wrong. (Mainly securing the stone in atari in sente) before actually living. Also, I found the problem quite misleading, as it said just black to play, and in normal game, it would be probably better to sacrifice to group, and since we have problems like that, I changed it to black to live to make it clear what is the goal. Let me know if you disagree.
    posetcay:
    I agree that "black to live" suits this problem better, however atari timing here is very sensitive, if P17-O17-P16-N18-Q19-O19-S16, opponent can play T17 at T18 to kill, so I marked that variation as incorrect.
    7. June 2023
    00:16
    jhubert:
    My proposal was to have the sequences included in the sgf. Other described are also possibly valid.
    d4rkm4tter:
    Added.
    1. June 2023
    22:39
    jhubert:
    SGF
    1. June 2023
    22:37
    jhubert:
    Playing first on D1 and then on A2 to live seems possible, in the winning sequence.
    caranthir:
    jhubert: Playing first on D1 and then on A2 to live seems possible, in the winning sequence. caranthir: Does it work? What about after A18 (in NW coordinates, A2 in SW), the opponent plays B19. For me, there seems to be a problem even in E17 F17 E16 G18 D19 F19 B16, if now A18 instead of B16. Therefore, only E17 F17 E16 G18 and then B16 OR A18 seem valid to me.
    30. May 2023
    11:04
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