(;AP[HexGui:0.10.GIT]
C[2021/05/14

Black\: Frank
White\: Kyle

Black wins.]FF[4]GM[11]PL[B]
SZ[11];B[a3];W[swap-pieces];B[h4];W[h9];B[d8];W[f6];B[g6];W[e8];B[c8];
W[d9];B[f8];W[e10];B[d10];W[e9];B[g9];W[f11];B[j9];W[g8];B[h8];W[h7];
B[f9];W[h3];B[g4];W[g3];B[i3];W[j1];B[e3];W[f2];B[e2](;W[f4]
C[White should complete the foil at f3, see next variation.];B[i2](;
W[resign]
C[Both players assumed that Black is connected to the 11-edge, but is this really the case? See next variation.


Eric\:

Black indeed is not connected through the K-edge area. I can't work out whether Black has enough along the left to win anyway; I'd guess no.]
)(;W[i10];B[j10];W[i9];B[j8];W[i8];B[k6];W[j7];B[k7];W[j6];B[k5];W[j4];
B[j5];W[h5];B[h6];W[g5];B[b10];W[d7];B[c7];W[d5];B[c5];W[c6]))(;W[f3];
B[e4];W[f4];B[e5];W[f5]
C[Eric\:

Now Black wins, since it no longer matters whether Black is connected through the K11 corner.]
;B[b10];W[d7];B[c7];W[d6];B[c6];W[d5];B[c5];W[d4];B[c4];W[d3];B[b3]
C[Black must yield here!];W[c3];B[b4];W[a2];B[c2]))
