(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[https://senseis.xmp.net/?DieterVerhofstadt/PracticalEndgame]AP[GoWiki:2009]
DT[2019-05-11]
C[Diagram from https://senseis.xmp.net/?DieterVerhofstadt/PracticalEndgame

Black first]
PL[B]

AB[io][oo][po][qo][gp][ip][jp][lp][np][rp][bq][cq][dq][fq][iq][kq][mq][nq][pq][qq][rq][er][gr][hr][jr][kr][lr][or][fs][is][ps]
AW[bo][go][ho][jo][ko][lo][mo][no][ro][cp][dp][ep][hp][kp][mp][eq][hq][br][cr][dr][nr]
LB[gq:a]

;B[ds]C[B1]MN[1]
;B[bs]C[B3]MN[3]
;W[aq]C[W4]MN[4]
;B[cs]C[B5]MN[5]
;W[bp]C[W6]MN[6]

;LB[gq:a]
)
