(;AP[Hexon:0.0]FF[4]GM[11]SZ[11]C[2023/05/19

Black\: Thomas
White\: Frank

White wins.
]PL[B]
;B[a3]
;W[swap-pieces]
;B[d8]
;W[e9]
;B[h7]
;W[h4]
;B[g5]
;W[h9]
;B[c8]
;W[e7]
;B[d6]
;W[e4]
(;B[d3]C[Eric\: c5 is better. See the next variation.]
 (;W[c5]C[Eric\:

Even if White simply plays here, D3 only escapes height-2 ladders.

White could alternatively try F2. See the next variation.]
  ;B[f4]
  ;W[e5]
  (;B[g4]C[Thomas\: Maybe h2? See the next variation.

Eric\: i2 is better than h2, although due to Frank's point, that's probably not enough.]
   ;W[f6]
   ;B[g7]C[Thomas\: The tactic with f10 failed with g4. Maybe it would have worked with h2. (It didn't due to f5)]
   ;W[f10]
   ;B[e8]
   ;W[g6]
   ;B[i5]
   ;W[h3]
   ;B[resign])
  (;B[h2]
   (;W[f6]C[Frank\: This is bad for White, but f5 is better, see the next variation.]
    ;B[g7]
    ;W[g6]
    ;B[i5])
   (;W[f5]
    ;B[g4]
    ;W[f7])))
 (;W[f2]C[Eric\: White could alternatively try here.

This leaves Black with no escape along the 1-edge, and I believe White gets a height-2 ladder along the A-edge.
]
  ;B[c5]
  ;W[c4]
  ;B[d4]
  ;W[e1]
  ;B[d1]
  ;W[d2]
  ;B[b3]))
(;B[c5]C[Eric\:

This is better.]
 (;W[d3]C[Eric\: See next variation for if White tries f2.]
  ;B[d2]
  ;W[b4]
  ;B[e3]
  ;W[d4])
 (;W[f2]C[Eric\:

If White tries this anyway, Black choose between E2+E3 and getting a height-3 ladder.]
  (;B[e2]
   ;W[d3]
   ;B[e3]
   ;W[d4])
  (;B[d2]
   ;W[c4]
   ;B[d4]
   ;W[d3]
   ;B[e3]
   ;W[e2]))))
