(;GM[1]FF[4]SZ[19]
GN[Analysis After Black's move]
PC[http://senseis.xmp.net/?BQM21/UpperSide]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM21/UpperSide

Analysis After Black's move]
PL[B]

AB[gc][lc][fd][hd][qd][de][pe][pj][bm][cn][dn][dp][eq][jq]
AW[fb][qb][dc][fc][oc][ch][bl][cl][cm][qm][fp][pp][fq][nq]
CR[fa][oa][ab][bb][cb][ob][pb][ec][rc][sc][ah][bh][ci][cj][ck][al][qn][rn][sn][qo][oq][or][os]
SQ[ha][la][lb][id][jd][kd][rd][sd][pf][pg][ph][qh][rh][sh][pi][ap][bp][cp][dr][ds]

;B[hb]C[B1]MN[1]

;CR[fa][oa][ab][bb][cb][ob][pb][ec][rc][sc][ah][bh][ci][cj][ck][al][qn][rn][sn][qo][oq][or][os]
SQ[ha][la][lb][id][jd][kd][rd][sd][pf][pg][ph][qh][rh][sh][pi][ap][bp][cp][dr][ds]
)
