(;AP[HexGui:0.10.GIT]
C[2022/01/14

Black\: Bian
White\: Frank

Black wins.]FF[4]GM[11]PL[B]
SZ[11];B[a2];W[d8];B[f7];W[g8];B[e9];W[f6];B[h5];W[g6];B[h6];W[g7];B[h8]
;W[h7];B[j6](;W[f9]C[Eric\: f10 dominates this, see next variation.];
B[f10](;W[i4]C[Eric\: I would have tried j4, see next variation.];B[k4]
C[Eric\: j5 is better.  Black then still has J2 as a ladder escape fork.]
(;W[j4]C[Mohex\: Black is winning, and keeps the win until the end.];
B[j2];W[k3];B[j5];W[h4];B[g5];W[g4];B[d6];W[f4];B[e5];W[resign])(;W[j3]
C[Eric\:

This makes K4 completely useless to Black.

Peter\: I thought about i3, because it threatens g4, but I think if Black plays g4, it's not enough for White.]
;B[g4]
C[Eric\:

(since even against K4, White is still threatening to connect through the J5 region)]
;W[i6];B[i5];W[j5]))(;W[j4]C[Eric\:

I would've tried this sequence.];
B[i6];W[h2]C["Eric's move".]))(;W[f10]
C[Eric\: For D8+G8 against black E9 where E9 has a ziggurat in both directions, C10 and F10 are the only moves in those ziggurats that White should consider.]
;B[g9];W[f9];B[i4];W[i9]
C[Eric\:

(This still threatens to connect via the K11 corner.)]))
