(;GM[1]FF[4]SZ[19]
GN[Thickness and sente]
PC[http://senseis.xmp.net/?ChisakusFamousSacrifice]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ChisakusFamousSacrifice

Thickness and sente]
PL[W]

AB[ec][lc][rc][cd][md][nd][od][qd][sd][oe][pe][qe][re][lh][ki][mi][ri][si][kj][lj][oj][rj][mk][nk][qk][rk][sk][nl][ql][rl][km][mm][om][pm][rm][kn][ln][mn][nn][rn][oo][gp][hp][np][op][pp][dq][iq][jq][kq][mq][oq][cr][er][hr][mr][or]
AW[mb][rb][nc][oc][pc][qc][pd][of][rg][kh][qh][rh][ji][ni][oi][cj][mj][nj][pj][qj][lk][pk][il][kl][ml][pl][sl][lm][qm][in][on][pn][qn][sn][do][qo][ro][cp][ip][jp][kp][lp][mp][qp][cq][hq][lq][nq][pq][qq][nr][pr][ns][os]

;W[kk]C[W1]MN[1]
;B[jj]C[B2]MN[2]
;W[ij]C[W3]MN[3]
;B[jh]C[B4]MN[4]
;W[jk]C[W5]MN[5]
;B[ii]C[B6]MN[6]
;W[ll]C[W7]MN[7]
;B[hj]C[B8]MN[8]
;W[ik]C[W9]MN[9]
;B[cl]C[B10]MN[10]

;
)
