(;AP[HexGui:0.10.GIT]
C[2020/11/13

Black\: Frank
White\: Bian

Black wins.

Comments by Eric.]
FF[4]GM[11]PL[B]SZ[11];B[a8];W[f6];B[c4];W[b9]
C[I suggest b10 instead, since it is on the short diagonal.  (This changes whether the 11-edge is 10 or 11 cells long.)]
;B[d8]
C[d8 allows White to connect at d7 (see second variation of next move). Perhaps e7 instead of d8.]
(;W[d9];B[e8];W[e9];B[f10];W[g8];B[j7];W[h5];B[g6];W[g7];B[i6];W[g5];
B[j4];W[j3];B[i4];W[i3];B[h4];W[h3];B[g4];W[g3];B[f4];W[e3];B[d2];W[c3];
B[d3];W[h10];B[i9];W[resign])(;W[d7]
C[d8 allows this connection.  Perhaps e7 instead of d8.]))
