(;GM[1]FF[4]SZ[13]
GN[White to play and win]
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]
PL[W]

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

;W[af]C[W1]MN[1]
;B[fm]C[B2]MN[2]

;LB[ie:a]
)
