(;TR[ef]LB[de:a]LB[dh:b]LB[ed:c]LB[ee:d]LB[eg:e]AB[bd][be][cc][cf][cg][dc][dg][ef][fd]AW[bf][bg][ce][ch][ci][dd][df][eb][ec][hc]C[FORCE]AP[goproblems autoextractor]PW[okao]PB[idiot2]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-02-12]PL[W]GPKEY[local choice]DIFF[20k]HSL[+++++++++++++++++++++++++++++] (;W[ed]LB[bb:B]C[Playing here is worth about 14 points over playing away in an empty corner. Black would have played at the same place if you played away. Your move prevents black from making about 7 points in the corner. Black would likely play at B next. RIGHT]) (;W[de];B[eh]C[This loses about 6 points. Black makes about 7 corner points. ]) (;W[dh];B[de]C[This loses about 16 points. ]) (;W[eg];B[de]C[This loses about 17 points. ]) (;W[ee];B[ed]C[This loses about 16 points. Black makes about 7 corner points. ]))