(;AW[dc]AW[he]AB[ie]AB[gc]AB[gb]AB[if]AB[jg]AB[gd]AB[hd]AW[hf]AB[hg]AW[id]AW[jd]AW[kd]AW[fe]AW[ib]AW[ic]AW[ld]AW[df]AW[gh]AW[ce]C[Can black save his G17 group?]AP[goproblems] (;B[ff] (;W[ge]C[] (;B[ee] (;W[fd] (;B[ed] (;W[fc];B[ec] (;W[fb] (;B[eb];W[ga] (;B[gf];W[fa]C[CHOICE] (;B[ea];W[ha]C[white connected == black disconnected]) (;B[ha];W[hb];B[ea]C[White can't win that race.RIGHT])) (;B[fa];W[ea] (;B[da];W[hb]C[Too slow, you're captured.]) (;B[ha];W[hb]C[There are better results than ko.]LB[fa:ko]) (;B[gf];W[fa] (;B[ha];W[da];B[db]C[This strange route works, but the sacrifice is unnecessary.RIGHT]) (;B[da];W[ha]C[Look what you've gotten yourself into!]))) (;B[ha];W[hb] (;B[fa];W[hc] (;B[gf]C[White can't win that race.RIGHT]) (;B[ga]C[White can't escape now, but you will probably need to connect or capture sooner or later.RIGHT])) (;B[gf];W[hc]C[Too slow, black is captured.])) (;B[ea];W[hb]C[Much too slow -- you're captured!])) (;B[fa];W[eb] (;B[db];W[cb]C[White's escaped!]) (;B[ea];W[db]C[white connected == black disconnected]))) (;W[eb];B[fb]C[White's trappedRIGHT])) (;W[ec]C[];B[fc]C[White can't connect out.RIGHT])) (;B[ec];W[ed];B[dd];W[cd]C[Black's in a bad way.])) (;W[gg]C[];B[gf]C[White's wrapped up!RIGHT]) (;W[gf];B[gg]C[White's wrapped up!RIGHT])) (;B[gf];W[ee]C[white connected == black disconnected]) (;B[fd];W[ee]C[white connected == black disconnected])) (;W[gf] (;B[gg];W[ge];B[ee]C[White can't escape that way.RIGHT]) (;B[ge];W[gg] (;B[ee];W[fg] (;B[fd];W[ef]C[Black's fate is sealed.]) (;B[ef];W[eg]C[Black's fate is sealed.])) (;B[fd];W[ee]C[Black's group is completely cut off.]) (;B[ef];W[ee]C[Black's group is completely cut off.]) (;B[eg];W[ef]C[Black's cut off.]) (;B[fg];W[ee]C[Black's cut off.])))) (;B[ge];W[gf] (;B[gg];W[ff]C[white connected == black disconnected]) (;B[ff];W[gg] (;B[ee];W[fg] (;B[eg];W[ef]C[Black's got no way out.]) (;B[ef];W[eg]C[Black's sealed in.]) (;B[fd];W[ef]C[Black remains trapped.])) (;B[fg];W[ee]C[Black's still cut.]))) (;B[ef];W[ee];B[ge];W[gf] (;B[gg];W[ff]C[black connected == white disconnected]) (;B[ff];W[gg]C[black connected == white disconnected])) (;B[gf];W[ge] (;B[ee];W[ff] (;B[gg];W[ef]C[black connected == white disconnected]) (;B[ef];W[eg]C[black connected == white disconnected]) (;B[fg];W[ef]C[black connected == white disconnected])) (;B[ef];W[ee]C[black connected == white disconnected]) (;B[ff];W[ee]C[white connected == black disconnected])) (;B[ee];W[ff]C[] (;B[ef];W[fg] (;B[ed];W[eg] (;B[ec];W[cc]C[Your trapped group has a nice connection to.... Another trapped group. There's a better way.]) (;B[fd];W[cc]C[You've connected to your trapped group, but you're still trapped. There's a better way out.])) (;B[eg];W[ed] (;B[fd];W[eh]C[Now you've got three weak groups in a big messy fight. There's a simpler solution!]) (;B[fh];W[eh]C[Now you've got three weak groups in a big messy fight. There's a simpler solution!])) (;B[fd];W[eg]C[white connected == black disconnected])) (;B[fd];W[ef]C[white connected == black disconnected]) (;B[ed];W[ef]C[white connected == black disconnected]) (;B[gf];W[ge]C[white connected == black disconnected] (;B[gg];W[ef]C[black connected == white disconnected]) (;B[ef];W[eg]C[black connected == white disconnected]) (;B[fg];W[ef]C[black connected == white disconnected])) (;B[ge];W[gf]C[white connected == black disconnected])) (;B[gg];W[ff]C[white connected == black disconnected]))