(;TR[jp]LB[kp:a]LB[kr:b]LB[lq:c]AB[br][cq][cr][dp][dq][ep][fo][go][ho][hp][hq][ir][jq][jr]AW[bo][bq][cm][cp][cs][dr][eq][fr][gp][gq][gs][hr][ip][iq][jp][kq]C[FORCE]AP[goproblems autoextractor]PW[zlu]PB[Achilles]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-01-29]PL[B] (;B[kp]TR[jq]TR[jr]TR[ir]C[Playing here is worth about 9 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[kr];W[lq]TR[jq]TR[jr]TR[ir]C[This loses about 7 points. The stones marked with a triangle are dead. ]) (;B[lq];W[kr]TR[jq]TR[jr]TR[ir]C[This loses about 10 points. The stones marked with a triangle are dead. ]))