(;AP[HexGui:0.10.GIT]
C[2022/03/18

Black\: Frank
White\: Marietje

White wins.
]FF[4]GM[11]
PL[B]SZ[11];B[j10];W[f6];B[d5];W[c9];B[e8];W[d7];B[e6];W[e7];B[h5]
C[Eric\:

Now White wins.
(pivoting)

h6 seems better for Black.](;W[i3]
C[Eric\: i3 is simpler, see next variation. Now it is not clear if White is still winning.]
;B[g4]
C[Eric\:

Now White is back to winning.

White keeps this win for the rest of the game.

I think Black should have tried j4.]
;W[g7];B[h7];W[h6];B[j5](;W[h4]
C[Eric\: White no longer needs the 1-edge part of the board. See next variation.]
;B[g5];W[i5];B[j4];W[i4];B[k2];W[k1];B[j2];W[i6];B[j6];W[i8];B[i7];W[g9]
;B[c8];W[f8]C[Eric\: d8 is simpler.];B[f9];W[g8];B[c7];W[c10];B[resign])
(;W[i8]C[Eric\:

White no longer needs the 1-edge part of the board.];
B[i7];W[g9];B[g8];W[f9];B[f8];W[d10]))(;W[g7]
C[Eric\:

This would've been simpler.  After i3, it's not clear that White is still winning.]
;B[i6];W[i7];B[h7];W[g9];B[g8];W[f9];B[f8];W[d10];B[j8];W[i8];B[k6];
W[j6];B[k5];W[j5];B[k4];W[j4];B[k3];W[j2];B[j3];W[i3];B[i4];W[g4]))
