Problem	17710
Created	2014-05-02
Source	a Chinese problem book
Rating

Difficulty	0.9 kyu
Average Solve Time	43 secs
User Attempts	212 / 529
Solve Ratio Rating	7 kyu
	rating history

This is similar to 17709

(;AB[jb]AB[kd]AB[ld]AB[md]AB[lb]AB[ma]AB[ne]AB[ng]AW[nd]AW[od]AW[pd]AW[pe]AW[mc]AW[mb]AW[ph]AW[qh]C[Black wants to invade with the triangled stone. White to defend.]TR[ma]AP[goproblems] (;W[na];B[nb];W[la];B[oa] (;W[ma] (;B[nc]C[CHOICE] (;W[ob]C[RIGHT]) (;W[ka]C[RIGHT]) (;W[oc]C[RIGHT]) (;W[pa]C[RIGHT]) (;W[lc]C[RIGHT])) (;B[ob]C[CHOICE];W[nc];B[qc];W[pb]C[Though white is reduced, this is what she can answer.RIGHT])) (;W[lc]C[RIGHT])) (;W[nb];B[na];W[oa];B[la];W[ob]C[White's territory is reduced.]) (;W[ob];B[oa];W[nb];B[na];W[pa];B[la]))