(;AP[HexGui:0.10.GIT]
C[2020/09/25

Black\: Bian
White\: Eric

Handicap\: 0.5

White wins.
]
FF[4]GM[11]SZ[11];B[f6];W[h2];B[f3];W[e5];B[g4];W[g5];B[f5];W[f8];B[e8];
W[f7];B[e7];W[d10];B[c10];W[d9];B[c9];W[d8](;B[c8];W[d7];B[b6];W[d5];
B[e9];W[e10];B[g9];W[f9];B[i6];W[h6];B[i5];W[h8];B[i8];W[j9];B[resign])(
;B[c7]C[c7 variation\: does e5 escape the 4th row ladder?];W[d7];B[d5];
W[e4](;B[c4]C[c4 variation\: the ladder connects.];W[c8];B[a9];W[b8];
B[a8];W[b7];B[a7];W[b5];B[b6];W[c5])(;B[d4]
C[d4 variation\: the ladder does not connect.];W[c3];B[c8];W[e2];B[e3];
W[g1];B[i2];W[h3];B[i4];W[i3];B[k2];W[j3];B[k3];W[j4];B[k4](;W[j5]
C[Losing move. See next variations for winning moves for White.];B[k5];
W[j6];B[k6];W[h9];B[j7];W[i8];B[i7];W[h7];B[h8];W[g9];B[g8];W[f9];B[h6];
W[resign])(;W[h6]
C[Winning move, according to the Mohex solver. Note that h6 is connected to White's attacking group. This creates a parallel ladder that Tom's move escapes.]
;B[i6];W[j5];B[k5];W[i8]C[Tom's move.];B[j7];W[j6];B[k6];W[h9])(;W[g6]
C[g6 is also winning, but the win is more complicated for White to pull off. Almost none of White's subsequent moves are obvious.]
;B[g8];W[i8];B[j7];W[i6];B[k5];W[g9];B[h6];W[f9];B[k8];W[j8];B[k7];
W[j10];B[j9];W[i10];B[h9];W[i9];B[i7];W[h8];B[h7];W[h4];B[resign]))))
