(;AP[HexGui:0.10.GIT]
C[2022/06/10

Black\: Frank
White\: Bian

Black wins.
]FF[4]GM[11]PL[B]
SZ[11];B[j10];W[f6];B[c4];W[c3];B[d3];W[f7];B[j4];W[i6];B[j7];W[k5];
B[h6];W[h5];B[i5];W[j3];B[i4];W[i3];B[h4];W[h3];B[g4];W[f8];B[c9];W[d10]
C[Mohex\: Black is winning, and keeps the win until b5.];B[b9];W[d6];
B[g8](;W[g3]
C[Peter\: White f2 (instead of g3) is the only way for White to prevent Black from connecting the ladder outright. See next variation.]
;B[f4];W[e3];B[b5]
C[Mohex\: Losing move. Now White e2 wins.

Eric\: d5 was winning for Black, via d2 or f2.]
;W[d5]
C[Mohex\: losing move. Now Black wins again and keeps the win until the end.

Eric\: e2 was winning for White (foiling).]
;B[f3];W[g1];B[f2];W[f1];B[e2];W[e1];B[b2];W[resign])(;W[f2]
C[Peter\: This prevents Black from connecting the ladder outright. But Black still wins and keeps the win in this variation.]
;B[f3];W[h1];B[b5];W[e3];B[d5];W[f4];B[e5];W[f5]
C[Eric\:


B7+D7 in either order is faster and more efficient than E6.

(This is an interior https\://www.hexwiki.net/index.php/Edge_template_IV2a with 1 White stone inside and it being Black's turn.)]
;B[e6];W[d7];B[e7];W[d8];B[e8];W[d9];B[e9]))
