(;AP[goproblems autoextractor]AB[bb][bc][bd][cc][cf][fb][fc][hd][hf]AW[ad][be][cd][ce][dd][fd][ff][gb][gc]TR[gc]LB[dc:a]LB[ec:b]LB[gd:c]PW[Serpentin]PB[Korea4K]PC[The KGS Go Server at http://www.gokgs.com/]DT[2010-02-14]C[FORCE](;B[gd]C[Playing here is worth about 9 points over playing away in an empty corner. White would have played at the same place if you played away.](;W[ec]C[CHOICE];B[eb]C[RIGHT])(;W[ib]C[CHOICE](;B[jc]C[Note: the White move at J18 lost about 5 pointsRIGHT])(;B[ed];W[fe]C[Your mistake at E16 lost approximately 1 points])(;B[ic];W[ed]C[Your mistake at J17 lost approximately 2 points])(;B[dc];W[jc]C[Your mistake at D17 lost approximately 4 points])(;B[fe];W[ed]C[Your mistake at F15 lost approximately 5 points])))(;B[dc];W[gd]C[This loses about 9 points. Black makes about 6 corner points. ])(;B[ec];W[gd]C[This loses about 9 points. Black makes about 6 corner points. ]))
