(;AP[HexGui:0.10.GIT]
C[2021/07/15

Black\: Eric
White\: Marietje

Handicap\: -2

Black wins.
]
FF[4]GM[11]PL[B]SZ[12];B[k6];W[k3];W[j9];W[e8];B[g7];W[f9];B[e9];W[f5];
B[d5];W[d6];B[h5];W[f8];B[i9];W[h8];B[g9];W[h6];B[j5];W[j7];B[i7];W[i8];
B[g8];W[h4];B[i4];W[i3];B[j3](;W[k1]
C[At this point, Black wins by switchback using d5. For clarity, the next move shows the area that Black needs for this.]
PL[W];W[resign])(;PL[B]AW[c2][c3][c4][c5][c6][e6][k1];B[j2];W[j1];B[i2];
W[i1];B[h2];W[h1];B[f2];W[g2];B[f4];W[g3];B[g4];W[g6];B[h7];W[resign]))
