(;AP[Hexon:0.0]FF[4]GM[11]SZ[11]C[2024/03/22

Black\: Frank
White\: Mason

White wins.
]PL[B]
;B[b4]
;W[swap-pieces]
;B[h4]
;W[g8]
;B[i8]
;W[i9]
;B[h9]
;W[i7]
;B[e7]
;W[d9]
;B[f8]
;W[e10]
;B[d10]
;W[e9]
;B[f9]
;W[f10]
;B[j7]
;W[g9]
;B[j6]C[Eric\: I think Black should have gotten d7 first.]
;W[i5]
;B[j3]C[Eric\:  Good]
;W[j4]
(;B[i6]C[Eric\:

H7 is strictly better, though I think Black should get D7 first. See the next variation.]
 ;W[g6]C[Eric\:

White H6 wins, due to the switchback from B10+D2.]
 ;B[h6]
 ;W[h5]
 (;B[g7]C[Peter\: I think Black should have played d7 here. See the next variation.]
  ;W[f5]
  ;B[e5]
  ;W[e6]
  ;B[c7]
  ;W[e3]
  ;B[b3]
  ;W[c6]
  ;B[d6]
  ;W[f4]
  ;B[d4]C[Eric\:

I don't have any other ideas for Black, but White is winning at least after this.]
  ;W[c3]
  ;B[b4]
  ;W[c4]
  ;B[b5]
  ;W[c5]
  ;B[a7]
  ;W[b7]
  ;B[a8]
  ;W[b8]
  ;B[a9]
  ;W[b10]
  ;B[b9]
  ;W[d8]
  ;B[resign])
 (;B[d7]
  ;W[e6]
  ;B[f6]
  ;W[g5]
  ;B[f5]
  ;W[g4]
  ;B[f4]
  ;W[g2]
  ;B[g3]
  ;W[h2]
  ;B[h3]))
(;B[d7]
 ;W[b10]
 ;B[h7]))
