(;GM[1]FF[4]SZ[19]
GN[Without Black 51, Black is forced to defend at 7]
PC[http://senseis.xmp.net/?TeachingGame67/TsumegoAfterW52]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TeachingGame67/TsumegoAfterW52

Without Black 51, Black is forced to defend at 7]
PL[B]

AB[pc][jd][qe][rg][qh][oi][pk][cl][pl][dm][em][om][cn][rn][co][oo][po][qo][cp][gp][dq][fq][gq][dr][er]
AW[ec][cd][rh][ri][qj][qk][ql][bm][cm][qm][rm][dn][fn][do][bp][dp][ep][fp][np][pp][qp][bq][cq][eq][jq][oq]
CR[qm]

;B[rk]C[B1]MN[1]
;W[sk]C[W2]MN[2]
;B[sj]C[B3]MN[3]
;W[sl]C[W4]MN[4]
;B[rj]C[B5]MN[5]
;W[qi]C[W6]MN[6]
;B[ph]C[B7]MN[7]
;W[sh]C[W8]MN[8]

;CR[qm]
)
