(;GM[1]FF[4]SZ[19]
GN[Diagram 4.3: Black fails]
PC[http://www.go4go.net/]
AP[GoWiki:2009]
DT[2023-12-04]
C[Diagram from http://www.go4go.net/

Diagram 4.3: Black fails]
PL[W]

AB[pp][qp][rp][pq][pr]
AW[rm][oo][po][qo][ro][op][oq][mr][or]
LB[sq:a][os:b]

;W[ps]C[W1]MN[1]
;B[qs]C[B2]MN[2]
;W[rq]C[W3]MN[3]
;B[sp]C[B4]MN[4]
;W[rs]C[W5]MN[5]
;B[qr]C[B6]MN[6]
;W[rr]C[W7]MN[7]

;LB[sq:a][os:b]
)
