(;AP[HexGui:0.10.GIT]
C[2023/03/17

Black\: Peter
White\: Scott

Black wins.

Game record reconstructed from final position. Move order may vary.]
FF[4]GM[11]SZ[11];B[i2];W[swap-pieces];B[f6];W[g7];B[i8];W[e8];B[f8];
W[f7];B[h6];W[h5];B[i5];W[i4];B[g6];W[f5];B[g5](;W[g4]
C[Peter\: This move is a mistake. White should have held Black to a 4th row ladder, see the next variation.]
;B[h4];W[i2];B[h3];W[h2];B[g3];W[g2];B[e3];W[f3];B[e4];W[f4];B[d6];W[e6]
;B[d7];W[e7];B[c9];W[resign])(;W[h3]
C[Peter\: This variation was also played.];B[g4];W[g3];B[e4];W[e3];B[f3]
;W[g1];B[d2];W[e2];B[c4];W[d4];B[c5];W[d6];B[c8]
C[Peter\: This move turned out to be more useful than I realized when I played it.]
;W[c7];B[g2];W[h1];B[i2];W[h2];B[k3];W[j4];B[e6];W[e5];B[k4]
C[Peter\: The point is that e8 is now no longer connected to the a-edge, so White cannot climb from j6. See the 2nd variation on the next move.

Mohex\: Nevertheless, White is winning. The key vulnerable point is e9. See 2nd variation on move 42.]
(;W[j5];B[k5](;W[j6]C[Mohex\: Losing move.];B[k6];W[j7];B[k7]
C[Mohex\: Losing move. The key is the unsettled k1 corner. Both Black and White can still get an advantage there. Right now, i3 was winning for Black.]
;W[j8];B[k8];W[j9];B[k9];W[j11];B[j10];W[i11]
C[Mohex\: Losing move. j2 was winning for White.];B[i10];W[h11];B[h10];
W[g11];B[g10];W[f11](;B[e10]
C[Peter\: With hindsight, this leaves e9 vulnerable, and it would have been better to play the switchback differently. See the next variation.

Mohex\: No, e10 is winning and f10 is losing. This is due to the unsettled k1 corner.]
;W[f10](;B[g8]
C[Mohex\: Losing move. See the next variation for a winning one.](;
W[resign]
C[White resigns, and I was sure Black had won, but Mohex still says that White is winning. See the next variation.]
)(;W[j2];B[i3];W[j3];B[h4];W[e9]
C[Peter\: This is the crucial move! It overlaps both of Black's threats of h7 and d8.

From White's point of view, White is now connected to the k-edge at f9 or h7, and to the a-edge at c10 or d7.

If Black had realized this, Black could have played the switchback differently. See the 2nd variation on move 59.]
))(;B[h7];W[e9];B[f9]))(;B[f10]C[Mohex\: Losing move. ];W[j2];B[i3];
W[j3];B[h4];W[d10]C[Peter\: White is connected by double threats.]))(;
W[j7];B[j6];W[i7];B[i6];W[e9];B[h7];W[h8];B[g8];W[f10];B[g9];W[g11];
B[g10];W[f11];B[i10];W[h10];B[h9];W[i9]))(;W[j6];B[j5];W[h7];B[d8])))
