(;AP[Hexon:0.0]FF[4]GM[11]SZ[11]C[2022/12/16

Black\: Frank
White\: Comonoid

White wins.
]PL[B]
;B[j10]
;W[h4]
;B[c4]
;W[c3]
;B[d3]
;W[e7]
(;B[c8]C[Peter\: Maybe f5? See next variation.]
 ;W[d6]
 ;B[e6]
 ;W[d7]
 (;B[g5]C[Frank\: Is i5 better? See next variation.]
  ;W[g6]
  ;B[i5]
  ;W[h7]
  ;B[i7]
  ;W[i6]
  ;B[k5]
  ;W[j5]
  ;B[k4]
  ;W[j3]
  ;B[resign])
 (;B[i5]
  ;W[g6]
  ;B[j3]
  ;W[j4]
  ;B[i4]
  ;W[h7]))
(;B[f5]C[Peter\: f5 invites White to connect to the k-edge...]
 ;W[g6]
 ;B[d7]
 ;W[d8]
 ;B[b9]
 ;W[d9]
 ;B[b10]
 ;W[c8]
 ;B[b8]
 ;W[c6]
 ;B[c7]
 ;W[e5]C[...but prevents White from climbing successfully. ]))
