(;TR[bq]LB[bo:a]LB[br:b]LB[co:c]AB[bp][cn][cq][dn][dq][en][eq][fr][gq][gr][hr][jp]AW[bq][cp][cr][do][dr][eo][er][fn][fo][fp][fq][fs]C[FORCE]AP[goproblems autoextractor]PW[Stieltjes]PB[Am]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-02-12]PL[B]GPKEY[local choice]DIFF[20k]HSL[+++++++++++++++++++++++++++++]
(;B[br]TR[cq]TR[eq]TR[dq]SQ[dr]SQ[cr]SQ[er]LB[bo:A]LB[bo:B]C[Playing here is worth about 29 points over playing away in an empty corner. The stones marked with a triangle are alive. The stones marked with a square are dead. White would have played at A if you played away. White would likely play at B next. RIGHT])
(;B[co];W[dp]TR[cq]TR[eq]TR[dq]SQ[dr]SQ[cr]SQ[er]C[This loses about 31 points. The stones marked with a triangle are dead. The stones marked with a square are alive. ])
(;B[bo];W[br]TR[cq]TR[eq]TR[dq]SQ[dr]SQ[cr]SQ[er]C[This loses about 28 points. The stones marked with a triangle are dead. The stones marked with a square are alive. ]))
