(;AP[Hexon:0.0]FF[4]GM[11]SZ[11]C[2024/04/19

Black\: Frank
White\: Peter

Black wins.
]PL[B]
;B[c2]
;W[d8]
;B[b8]
;W[g8]
;B[h8]
;W[h7]
;B[c9]
;W[c8]
;B[e8]
;W[e7]
;B[b9]
;W[c6]
;B[f7]
;W[f6]
;B[g6]
(;W[h4]C[Peter\: Since Black escapes a 5th row ladder, this move is hopeless. However, since White does not escape a 4th row ladder, g5 was equally hopeless.

Eric\: Perhaps White shold play d9 first. This might give White a forcing move later. See the next variation.]
 ;B[g5]
 ;W[g4]
 ;B[f5]
 ;W[f4]
 ;B[e5]
 ;W[e4]
 ;B[d5]
 ;W[d3]
 ;B[d4]
 ;W[e2]
 ;B[b4]
 ;W[c4]
 ;B[b5]
 ;W[c10]
 ;B[d9]
 ;W[c5]
 ;B[a7]
 ;W[resign])
(;W[d9]
 ;B[e9]
 ;W[g5]
 ;B[i4]
 ;W[h5]
 ;B[i5]
 ;W[f10]
 (;B[h6]C[Peter\: If Black defends here, White might actually win via the new forcing move at c10.

However, Black can play j5 instead. See the next variation.]
  ;W[c10]
  ;B[d11]
  ;W[i3]
  ;B[h4]
  ;W[h3]
  ;B[g4]
  ;W[g3]
  ;B[f4]
  ;W[f3]
  ;B[e4]
  ;W[e3]
  ;B[d4]
  ;W[d3]
  ;B[b4]
  ;W[c4]
  ;B[b5]
  ;W[c5]
  ;B[a7]
  ;W[a11])
 (;B[j5]
  ;W[h6]
  ;B[i7]
  ;W[h9]
  ;B[g9]
  ;W[g10]
  ;B[f9]
  ;W[c10]
  ;B[d11]
  ;W[i3]
  ;B[k2])))
