(;AP[HexGui:0.10.GIT]
C[2022/04/01

Black\: Frank
White\: Peter

White wins.
]FF[4]GM[11]PL[B]
SZ[11];B[j10];W[f6];B[d5];W[d3];B[c4];W[d8];B[i6];W[h4];B[g5];W[g4];
B[f5];W[f4](;B[e3]
C[The next variation explores what might happen if Black plays e5. There are lots of subvariations.]
;W[e5];B[d6];W[e6](;B[d7]C[See next variation for b9 instead.];W[d9];
B[e7];W[f8];B[f7];W[h7];B[i7];W[h6];B[resign])(;B[b9]
C[Is this better for Black? Note that White does not escape a 3rd row ladder. On the other hand, White does not require d7 for the connection to the k-edge.]
;W[d9];B[b10];W[c7];B[j3];W[g2];B[i2];W[f8];B[i5];W[i7];B[h7];W[g9]))(;
B[e5];W[d4];B[c5];W[c3];B[b4];W[b3];B[e4];W[f2];B[f3];W[g2];B[g3];W[h2];
B[h3];W[i2];B[j2];W[i3];B[j3];W[i5];B[k4];W[j5];B[k5];W[j7];B[j6](;W[h7]
C[Mohex\: losing. h8 was winning. See next variation.];B[i7];W[h9](;
B[h8]C[Mohex\: losing. h6 was winning, see next variation.];W[g9];B[f8];
W[g8](;B[h5]C[Black is still losing (has been losing since move 39).](;
W[g6]C[Losing?];B[e7](;W[e6];B[d7];W[d6];B[b7](;W[d9]
C[Mohex\: Losing. e10 was winning.];B[e10];W[c7];B[b8];W[c8];B[a10])(;
W[e10];B[c8];W[b8];B[c7];W[c9];B[d9];W[e8]))(;W[e9]
C[Eric\:

I think White should try to get E8+E9+E10 before letting Black get D7.]
))(;W[h6]C[Winning.]))(;B[h6]C[Also losing for Black.];W[d9]
C[Mohex\: losing. Now Black is winning again.

e10 was winning for White.]
;B[e10];W[g7];B[e7];W[e6];B[d7];W[d6];B[b7];W[c7];B[b8];W[c8];B[a10]))(;
B[h6];W[g9];B[c8];W[c9]
C[Mohex\: a10 is now losing for Black, due to White forcing moves at c10 and g6.

But g7 is winning.]
;B[g7];W[f8];B[e8];W[f7];B[e7];W[e6];B[d7];W[d10];B[f9]))(;W[h8]
C[Mohex\: White is winning and keeps the win until the end.];B[g7];W[f9]
;B[e8];W[d10];B[c10];W[d9];B[c8](;W[c9];B[a10];W[b7];B[b8];W[d6];B[d7];
W[e7];B[e6];W[h6])(;W[d7]C[Eric\:

faster and more efficient]))))
