(;AP[HexGui:0.10.GIT]
C[2020/10/09

Black\: Eric
White\: Bian

Handicap\: -1

Black wins]FF[4]
GM[11]PL[B]SZ[13];B[m10];W[g7];W[j7];B[d7];W[d8];B[f7];W[e9];B[h8];W[f9]
;B[i6];W[i5];B[h6];W[h5];B[g6];W[f4];B[e6];W[g5];B[d5];W[d4];B[e4];W[f2]
;B[c8](;W[g3]
C[d3 would be better, since Black is now connected on the d3 side.

See next variation.]
;B[j5];W[k3];B[l4];W[k2];B[c3](;W[b7];B[e3];W[h9];B[g9];W[f11];B[g10];
W[g11];B[h10];W[h11];B[i10];W[i11];B[l9];W[k10];B[k8];W[l12];B[j11];
W[j10];B[l11];W[k12];B[k11];W[i13];B[i12];W[h13];B[h12];W[g13];B[g12];
W[f13];B[f12];W[e13];B[e12];W[d13];B[d12];W[c13];B[b12];W[c12];B[c11];
W[d11];B[b10];W[resign])(;W[b10]
C[White initially played this move, but it is an immediate win for Black, since Black is already connected ot the 1-edge.]
;B[g10]))(;W[d3]C[d3 variation.];B[f3];W[g2](;B[g3];W[h2];B[h3];W[i2];
B[j3];W[i3];B[k4];W[k3];B[j4];W[k1];B[l2];W[j5];B[k5];W[j6];B[k7];W[k6];
B[m5];W[l3];B[k2];W[l5];B[m4];W[l4])(;B[k3]C[Black = Mohex];W[j5];B[l4];
W[k5];B[k6];W[l5];B[g3];W[h2];B[h3];W[i2];B[c3];W[c4];B[e2];W[e3];B[b6];
W[a5];B[i4];W[i3];B[b4];W[b5];B[h4];W[j3];B[j4];W[l1];B[m1];W[l2];B[m2];
W[l3];B[m3];W[k4])))
