(;GM[1]FF[4]SZ[19]
GN[Diagram 4 - Disruptive border plays but not sente]
PC[https://senseis.xmp.net/?DieterVerhofstadt/PracticalEndgame]AP[GoWiki:2009]
DT[2019-05-11]
C[Diagram from https://senseis.xmp.net/?DieterVerhofstadt/PracticalEndgame

Diagram 4 - Disruptive border plays but not sente]
PL[B]

AB[db][gb][mb][cc][gc][qc][cd][dd][fd][id][kd][od][qd][de][ee][fe][ge][he][ie][ke][me][ne][oe][ff][jf][kf][lf][qf][eg][gg][hg][jg][lg][qg][dh][jh][nh][oh][bi][di][mi][oi][pi][bj][dj][lj][mj][nj][oj][bk][jk][kk][lk][ok][pk][qk][rk][bl][il][ql][sl][cm][im][lm][pm][rm][bn][dn][jn][io][oo][po][qo][gp][ip][jp][lp][np][rp][bq][cq][dq][fq][iq][kq][mq][nq][pq][qq][rq][er][gr][hr][jr][kr][lr][or][fs][is][ps]
AW[fb][hb][nb][dc][ec][fc][hc][ic][jc][kc][oc][pc][ed][gd][hd][jd][ld][md][nd][je][le][cf][df][ef][if][mf][fg][ig][kg][mg][ng][og][pg][bh][fh][gh][hh][ih][lh][mh][ph][qh][ei][ki][li][qi][ij][kj][pj][qj][ck][ek][ik][mk][cl][el][hl][jl][dm][hm][km][nm][qm][en][hn][in][on][pn][qn][rn][bo][go][ho][jo][ko][lo][mo][no][ro][cp][dp][ep][hp][kp][mp][eq][hq][br][cr][dr][nr]

;B[ej]C[B1]MN[1]
;W[pb]C[W2]MN[2]
;B[qb]C[B3]MN[3]
;W[eh]C[W4]MN[4]
;B[dg]C[B5]MN[5]
;W[fj]C[W6]MN[6]

;
)
