Problem	13818
Created	2010-07-01
Source
Rating

Difficulty	3.1 dan
Average Solve Time	70 secs
User Attempts	153 / 606
Solve Ratio Rating	3 kyu
	rating history

Thank to tails for correcting black moves

(;SZ[19]AB[bq]AB[cq]AB[dr]AB[er]AW[fr]AW[fq]AW[eq]AW[dq]AW[cp]AW[co]AW[cn]AW[hr]C[What white can get here?]GM[1]FF[4]AP[Drago:4.01]CA[UTF-8] (;W[cs] (;B[bs]C[CHOICE];W[br] (;B[cr]C[CHOICE];W[as];B[bp] (;W[bo];B[ar];W[aq];B[ap] (;W[ao];B[ar]C[Two steps ko. Well done!RIGHT]) (;W[es];B[ar]C[Two steps ko. Well done!RIGHT]) (;W[ds];B[es]C[2 steps ko, but black got two internal threats in bonus])) (;W[aq];B[ap];W[bo];B[ar]C[3 steps ko]))) (;B[bp];W[cr];B[bs];W[br];B[ar]C[RIGHT])) (;W[br];B[ar];W[bs];B[cs]TR[bp]TR[es]C[Miai for life]) (;W[bs];B[cs] (;W[br];B[ar]TR[es]TR[bp]C[Miai for life]) (;W[es];B[br])) (;W[es];B[cs] (;W[bp];B[br]) (;W[br];B[ar];W[bp];B[bs])) (;W[bp];B[br] (;W[cs];B[bs];W[es];B[cr]) (;W[aq];B[ar];W[cs];B[bs];W[es];B[cr])))