(;C[A genuine beginner's problem.]AP[goproblems]AB[cd][ce][df]AW[cf][de][dd];B[cg];W[bf]
(;B[bg]
(;W[be]
;B[bd]C[Perfectly executed! The edge crunch is one of the most common and useful capturing tactics, squeezing a stone between two chains on the third line, one of has at least 3 liberties.RIGHT])
(;W[af]
;B[be]C[Perfectly executed! The edge crunch is one of the most common and useful capturing tactics, squeezing a stone between two chains on the third line, one of has at least 3 liberties.RIGHT]))
(;B[be];W[bg];B[bh];W[ch];B[dg];W[bi]
(;B[dh];W[ah])
(;B[af];W[ah])))