(;AP[HexGui:0.10.GIT]
C[2021/01/07

Black\: Sarah
White\: Frank

Handicap\: 0.5

White wins.]
FF[4]GM[11]PL[B]SZ[11];B[f6];W[e9];B[d9];W[e7];B[g8];W[h9];B[f10];W[h4];
B[g4]
C[Eric\:

Black should probably have played the remaining corner, with C4 or D5.]
;W[f3];B[j2]C[Good.];W[i3];B[h2]
C[Eric\: maybe e5 would have been better?];W[f7];B[h6](;W[g6]
C[There is now a (relatively large) template for White, see next variation.]
;B[d7];W[e6];B[d6];W[e5];B[c5];W[d5];B[c6];W[d3];B[c3];W[c4];B[a5];W[b9]
;B[resign])(;AB[b11][c10][d1][e1][e8][f1][f2][f5][g2][g3]AW[g6][h5][i5]
[j5][k5]AE[a1][j3][k3]
C[This "template" is really the c6 3-to-5 switchback, see https\://www.hexwiki.net/index.php/Switchback#C6_switchback]
PL[B];B[b8];W[c8];B[b9];W[c7];B[b7];W[c5];B[c6];W[e5];B[d5];W[e3];B[b4];
W[d3];B[a6];W[c2]))
