(;AP[HexGui:0.10.GIT]
C[2020/05/15

Black\: Bian
White\: Peter

White wins.]FF[4]GM[11]SZ[11];
B[e8];W[swap-pieces];B[f6];W[e9];B[g8];W[f7];B[g6];W[g7];B[i6];W[h9];
B[f10];W[h6];B[i4];W[i5];B[k4](;W[h7];B[j8];W[i10];B[h8];W[i7]
C[The white group is now very solidly connected to the k-edge. If Black made one more move in this area, White would not need to respond to it, as there are 3 disjoint threats\: White connects via i8, j7, or k5.]
;B[c8];W[e7];B[c6];W[c9]
C[Note that c9 completes a trapezoid template.

http\://www.mseymour.ca/hex_book/hexstrat10.html#section_124]
;B[a10];W[c7];B[d7];W[d4];B[e6];W[f3];B[g4];W[h2](;B[j2]C[Variation 1.];
W[i3]C[White is now connected to k-edge via double threat at j3 and h4.]
;B[c4];W[c5];B[a6](;W[d6]
C[White b8 would have been a quicker win (see next variation)];B[e4];
W[e3];B[g2];W[g3];B[a8];W[a7];B[h4];W[j3];B[b6];W[b8];B[d5];W[b9];B[k6];
W[i8];B[k9];W[j11];B[resign])(;W[b8];B[b9];W[b6];B[a7];W[b7]))(;B[i3]
C[Variation 2.];W[j1];B[k1];W[j2];B[k2];W[j3];B[k3];W[j4];B[j5];W[k6]
C[White still connects to the k-edge; the rest of the game would be similar to variation 1.]
))(;W[j2]
C[This move was later suggested by Mohex. Presumably it is an easier win for White but we did not play this variation.]
))
