(;GM[1]FF[4]SZ[19]
GN[Black's best - ko]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem150/Solution]AP[GoWiki:2009]
DT[2024-05-29]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem150/Solution

Black's best - ko]
PL[W]

AB[en][fn][gn][in][jn][co][do][cp][ep][fp][cq][fq][gq][hq][iq][jq][cr][er][kr]
AW[dl][cn][dn][hn][bo][eo][fo][go][io][bp][dp][gp][hp][kp][dq][eq][lq][ar][dr][fr][ds]

;W[jr]C[W1]MN[1]
;B[js]C[B2]MN[2]
;W[bq]C[W3]MN[3]
;B[ip]C[B4]MN[4]
;W[ho]C[W5]MN[5]
;B[hm]C[B6]MN[6]
;W[jo]C[W7]MN[7]
;B[ko]C[B8]MN[8]
;W[jp]C[W9]MN[9]
;B[lp]C[B10]MN[10]

;
)
