(;AP[Hexon:0.0]FF[4]GM[11]SZ[11]C[2022/08/19

Black\: Jia
White\: Frank

Handicap\: 0.5

White wins.]PL[B]
;B[c4]
;W[c3]
;B[b4]
;W[b2]C[Peter\: Bad move, as it unnecessarily gives Black a 2nd row escape. c2 or b3 are better (and equivalent to each other).

This mistake will actually help Black at the end of the game.
]
;B[d3]
;W[d8]
;B[e8]
;W[f6]
;B[h5]
;W[g7]
;B[h7]
;W[g4]
;B[e7]
;W[e5]
;B[d6]
;W[d5]
;B[b6]
;W[d9]
;B[b7]C[Peter\: c7 is better, because it unambiguously gives Black an escape fork at b10.

I think this also works, but it is less clear.

Eric\: This also works because blackB10 threatens blackA9.

Peter\: Good point.]
;W[e6]
;B[b10]
;W[b9]
;B[c8]
;W[c9]
;B[d7]
;W[e9]
;B[f8]
;W[f10]
(;B[g9]C[Peter\: What Black played here is fine, but I think the same thing might have been accomplished in a simpler way (i.e., more forcing and with less ambiguity) as in the next variation.]
 ;W[g10]
 ;B[i9]
 ;W[h9]
 ;B[i8]
 ;W[h8]
 ;B[i7]
 ;W[g8]
 ;B[i3]
 ;W[i4]
 ;B[k3]
 ;W[i6]
 ;B[h6]
 ;W[h4]
 ;B[j5]
 ;W[j2]
 ;B[j3]
 ;W[i2]
 ;B[h3]
 ;W[h2]
 ;B[g3]
 ;W[g2]
 ;B[e4]C[Eric\:

F3 also works.]
 ;W[f3]
 ;B[f4]
 ;W[e3]
 ;B[d4]
 ;W[e1]
 (;B[d2]C[Peter\: Black first made this fatal mistake. The c2 variation was then immediately played.]
  ;W[d1]
  ;B[resign])
 (;B[c2]
  ;W[resign]))
(;B[f9]
 ;W[e10]
 ;B[h9]
 ;W[g9]
 ;B[i7]
 ;W[g8]
 ;B[i3]
 ;W[i4]
 ;B[h4]
 ;W[h6]
 ;B[j5]
 ;W[i5]
 ;B[k3]C[Eric\:

This line can end here, since the rest is the same as the game.]))
