(;GM[1]FF[4]SZ[19]
GN[Is BB sente or not?]
PC[http://senseis.xmp.net/?TsumegoFromGames157]AP[GoWiki:2009]
DT[2010-08-15]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames157

Is BB sente or not?]
PL[B]

AB[ga][bb][fb][hb][jb][nb][bc][cc][gc][hc][jc][nc][gd][id][jd][nd][pd][qd][be][ce][de][fe][oe][pe][qe][re][se][df][ef][mf][of][eg][mg][dh][fh][lh][fi][li][mi][qi][ej][qj][rj][mk][cl][ql][bm][dm][om][pm][cn][dn][qn][rn][do][qo][so][dp][op][rp][dq][pq][qq][sq][dr][rr]
AW[ba][cb][eb][ib][ob][dc][fc][ic][oc][pc][qc][rc][bd][cd][dd][ed][fd][hd][od][rd][ee][he][ie][pf][qf][rf][cg][dg][ng][og][eh][ih][mh][ph][qh][rh][di][ei][ni][ri][cj][ij][pj][bk][qm][rm][bn][en][nn][pn][bo][co][no][po][cp][pp][qp][cq][kq][nq][oq][cr]
CR[mi]


;CR[mi]
)
