(;AW[br]AW[cq]AW[cr]AW[dr]AW[bp]AW[aq]AW[eq]AW[fq]AB[bo]AB[cp]AB[dp]AB[ep]AB[dq]AB[er]AB[gp]TR[er]C[what can black gain by letting go of the triangled stone?]AW[jq]AW[jo]AP[goproblems]
(;B[fr];W[gq];B[hq];W[gr];B[hr];W[es];B[fp]C[RIGHT];W[fs]
(;B[ip]C[by finishing like this, black solidifies his shape and attacks the 2 white stones on the right...RIGHT])
(;B[hp]C[black finishes with a strong shapeRIGHT]))
(;B[fp]C[this lets white off too easily])
(;B[gq];W[fr]C[this just leaves black with the same weaknesses as before]))