(;AP[HexGui:0.10.GIT]
C[2020/10/30

Black\: Eric
White\: Peter

Handicap\: -1

Black wins.]
FF[4]GM[11]PL[B]SZ[13];B[a7];W[swap-pieces];W[g7];B[j4];W[i10];B[j10];
W[i11];B[k11];W[j9];B[l8];W[j11];B[k10];W[k7];B[l5];W[m6];B[j8];W[k8]
C[This is a Joseki mistake. White should have first played j12 (now or earlier). White's failure to do so will actually become relevant in this game later.
]
;B[d10];W[e8];B[h8];W[i6];B[h6];W[h7];B[j6];W[h9];B[h10];W[j7];B[f8];
W[f7];B[i7](;W[f10]
C[A better option for White was g9, followed by e11, see next variation.]
;B[f9];W[j5];B[l4];W[l3];B[k4];W[j3];B[i4];W[i3];B[h2];W[i2];B[g4];W[h4]
;B[f6];W[g6];B[g5];W[h5];B[d8];W[e7];B[d7];W[d9];B[b10];W[e6];B[d6];
W[c9];B[b9];W[e5](;B[d5];W[e4];B[c4];W[c5];B[d4];W[c8];B[b8];W[c7];B[b7]
;W[c6];B[a6];W[b5];B[a5];W[b4];B[a4];W[b2];B[b3];W[c2];B[c3];W[e1];B[d2]
;W[d1];B[f2];W[resign])(;B[c5](;W[c6];B[d5];W[c8];B[b8];W[c7];B[a7];
W[b6];B[a6];W[b5];B[a5];W[b3];B[b4];W[c3];B[c4])(;W[d4])))(;W[g9];B[g8];
W[e11]
C[Note that e11 is connected to the m-edge. It now threatens both e9 and c12.]
))
