Tsumego Hero
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  • White to kill.
    Sprint Intuition Rejuvenation Refinement
    10k (79.66%)
    File by David Ulbricht



    DaviidM:
    If the attacking player plays an empty triangle after playing kosumi then the defender is dead. Connecting the group does not create a seki because the attacker can make a block of four; if the defender prevents that then the attack can play on the outside killing the stones.
    Farkas:
    I added sequences.
    18. February 2020
    09:45
    Nicolas:
    (lower right corner) black O1 white Q1 black R3 white P1 black S1 is marked as incorrect but it works (white is in atari and has to play Q2, then black O2)
    d4rkm4tter:
    Your moves have been added.
    22. December 2019
    11:06