(;TR[fb]LB[eb:a][ec:b][hb:c]AB[bc][cc][ce][dg][fc][fe][gc]AW[bb][cb][dc][ed][fb][gb]C[FORCE]AP[Sabaki:0.52.2]PW[stupidzym]PB[guzuko]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-01-31]PL[B]CA[UTF-8](;B[ec]C[After White blocks, Black will cut at A and link up his groups, becoming strong. Playing here is worth about 6 points over playing away in an empty corner. White would have played at the same place if you played away. RIGHT]LB[dd:A])(;B[eb];W[ec]C[This loses about 8 points. White makes about 7 corner points. ])(;B[hb];W[ec]C[This loses about 7 points. ]))