(;SZ[6]AP[goproblems]AB[be]AB[ad]AB[ce]AB[de]AB[dd]AB[cc]AW[ac]AW[bc]AW[cb]AW[db]AW[bb]AW[ec]AW[ed]AW[ee]AW[bf]TR[bf]C[White just played B1. Black to save the group.](;B[bd](;W[dc](;B[af](;W[ae](;B[cf]C[Yep, the most likely outcome.RIGHT])(;B[df];W[af]C[To greedy, group just died!]))(;W[df];B[cf]C[Alive and D1 for endgame.RIGHT]))(;B[df];W[af]C[Dead, only one eye!])(;B[cf]C[];W[af]C[Dead, wrong order of moves!])(;B[cd];W[af])(;B[ef];W[af]))(;W[df](;B[cf];W[dc];B[af]C[Unconditionally alive ;)RIGHT])(;B[af];W[ae];B[cf]C[Alive, but D4 Ko-Thread for white!RIGHT])(;B[dc];W[cf])(;B[ae];W[cf])))(;B[dc];W[bd])(;B[df];W[bd])(;B[ae];W[bd])(;B[cf];W[bd]))