(;AP[HexGui:0.10.GIT]
C[2020/12/18

Black\: Frank
White\: Peter

White wins.
]FF[4]GM[11]PL[B]
SZ[11];B[a9];W[d3];B[c3];W[d2];B[b3];W[c4];B[h4];W[g8];B[h8];W[g9];B[i9]
;W[h10];B[i10];W[h7];B[j6];W[h9];B[i8];W[i5];B[j3];W[k4];B[d8];W[e7];
B[c7];W[c8];B[b10];W[d9]
C[Black is now provably winning, and keeps the win almost until the end.]
;B[b7];W[d6];B[b6];W[b5];B[d5];W[e4];B[e5];W[h2](;B[i3]
C[See next variations for some easier winning moves.];W[g4](;B[g5]
C[Here, Black had an easier zipper, see next variation.];W[f5](;B[f7]
C[Losing move. f6 was winning, see next variation.];W[e8];B[resign])(;
B[f6];W[e6];B[h6];W[i6];B[f8];W[e8];B[e10]))(;B[g6]C[Suggested by Bian.]
;W[f6];B[f8];W[e8];B[e10]))(;B[f3]C[Peter suggested this move.];W[f4];
B[f5];W[g4];B[g5];W[i3];B[i4];W[j2];B[h3])(;B[f5]
C[Bian suggested this move.];W[i3];B[h3];W[i2];B[f3]
C[Connected by templates.]))
