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

White first - sente?]
PL[W]

AB[bf][df][mf][of][pf][bg][dg][lg][mg][ng][og][bh][jh][kh][lh][oh][ph][qh][rh][bi][ii][qi][si][cj][ij][lj][pj][rj][bk][dk][jk][il][ol][pl][ql][gm][im][jm][lm][nm][rm]
AW[ef][kf][lf][qf][ig][kg][pg][qg][ch][eh][ih][mh][ci][ei][hi][ji][dj][hj][kj][nj][qj][ek][hk][ik][ok][pk][qk][rk][bl][gl][hl][jl][kl][ll][ml][nl][rl][cm][dm][em][hm][km][mm]
LB[li:a]

;W[mi]C[W1]MN[1]

;LB[li:a]
)
