(;TR[fo]LB[cm:a]LB[cn:b]LB[dl:c]LB[ek:d]LB[go:e]AB[co][cq][dm][dp][dq][en][ep][fl][fm][fn][gp]AW[bp][bq][br][cp][dj][dn][do][el][em][eo][fo][ip][iq]C[FORCE]AP[goproblems autoextractor]PW[sbng]PB[akhira]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-01-29]PL[B] (;B[go]TR[cq]TR[ep]TR[dq]TR[dp]C[Playing here is worth about 13 points over playing away in an empty corner. The stones marked with a triangle are stronger. White would have played at the same place if you played away. RIGHT]) (;B[cm];W[go]C[This loses about 10 points. ]) (;B[cn];W[go]C[This loses about 12 points. ]) (;B[dl];W[ek]C[This loses about 10 points. ]) (;B[ek];W[go]TR[cq]TR[ep]TR[dq]TR[dp]SQ[em]SQ[el]C[This loses about 7 points. The stones marked with a triangle are weaker. The stones marked with a square are weaker but this is not sufficient. ]))