(;GM[1]FF[4]SZ[13]
GN[White to play and win (if B7, W6)]
PC[http://senseis.xmp.net/?PracticalEndgameTest6/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PracticalEndgameTest6/Attempts

White to play and win (if B7, W6)]
PL[W]

AB[ba][ka][cb][kb][bc][dc][jc][kc][bd][ed][fd][jd][kd][be][ce][de][fe][ge][je][cf][df][ff][if][jf][fg][ig][kg][mg][dh][fh][ih][kh][lh][mh][fi][hi][ji][aj][bj][cj][dj][fj][gj][hj][jj][kj][ck][fk][gk][kk][lk][al][bl][cl][dl][el][fl][jl][ml][am]
AW[ca][da][fa][la][db][eb][gb][ib][jb][lb][ec][fc][hc][ic][lc][cd][gd][id][ld][ee][he][ie][ke][me][bf][gf][hf][kf][lf][mf][bg][cg][dg][eg][lg][eh][gh][hh][ai][bi][ci][di][ei][gi][ii][ki][ej][ij][ek][hk][ik][jk][gl][hl][kl][ll][bm][gm][jm][lm]
CR[ka]
LB[ae:b][af:b][ef:a]

;W[fm]C[W1]MN[1]
;B[ja]C[B2]MN[2]
;W[em]C[W3]MN[3]
;B[ia]C[B4]MN[4]
;W[dm]C[W5]MN[5]
;B[cm]C[B6]MN[6]
;W[ha]C[W7]MN[7]

;CR[ka]
LB[ae:b][af:b][ef:a]
)
