(;GM[1]FF[4]SZ[19]
GN[Black's best - ko (continued)]
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 (continued)]
PL[W]

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

;W[kq]C[W1]MN[1]
;B[mq]C[B2]MN[2]
;W[lr]C[W3]MN[3]
;B[ls]C[B4]MN[4]

;
)
