(;AP[HexGui:0.10.GIT]
C[2023/11/03

Black\: Peter
White\: Mason

Black wins.
]FF[4]GM[11]PL[B]
SZ[11];B[i2];W[h4];B[i8];W[i9];B[h9];W[d8];B[e7](;W[f7];B[e8]
C[Peter\: Maybe without the f7-e8 exchange, White retains the option to play d9 as a threat later. See the 2nd variation on the previous move.]
;W[f5];B[d6];W[d5];B[e5];W[f3];B[g4];W[f4];B[g5];W[f10];B[f8];W[f9];
B[d10];W[d9];B[e9];W[f6];B[h6];W[g7];B[h7];W[g8];B[g11];W[resign])(;
W[f5]C[Peter\: perhaps something like this?];B[d6];W[d7];B[c7];W[d9];
B[e6]C[Peter\: This is still winning for Black, though.];W[f8];B[g7];
W[h8];B[b10];W[b9];B[e9];W[e8];B[g8];W[f7];B[g5];W[g4];B[f6];W[g6];B[i5]
))
