(;GM[1]FF[4]SZ[19]
GN[Ladder-breakers and failures]
PC[https://senseis.xmp.net/?Ladder/ReadingTechniques]AP[GoWiki:2009]
DT[2023-02-12]
C[Diagram from https://senseis.xmp.net/?Ladder/ReadingTechniques

Ladder-breakers and failures]
PL[W]

AB[fm]
AW[gm][en][fn]
LB[af:f][ag:f][bg:f][ah:f][bh:f][ch:f][ai:f][bi:b][ci:b][di:b][aj:b][bj:b][cj:b][dj:b][ej:b][ak:b][bk:b][ck:b][dk:b][ek:b][fk:b][bl:b][cl:b][dl:b][gl:b][cm:b][hm:f][dn:b][gn:f][eo:f][fo:f][go:f]

;W[fl]C[W1]MN[1]
;B[em]C[B2]MN[2]
;W[dm]C[W3]MN[3]
;B[el]C[B4]MN[4]

;LB[af:f][ag:f][bg:f][ah:f][bh:f][ch:f][ai:f][bi:b][ci:b][di:b][aj:b][bj:b][cj:b][dj:b][ej:b][ak:b][bk:b][ck:b][dk:b][ek:b][fk:b][bl:b][cl:b][dl:b][gl:b][cm:b][hm:f][dn:b][gn:f][eo:f][fo:f][go:f]
)
