(23) Grondsma,H (1745) - Jonkers,F [B21]
NHSB-beker Haarlem (1), 13.12.1999

1.e4 c5 2.f4 e6 3.c4 Nc6 4.Nf3 d6 5.Nc3 g6 6.d3 Bg7 7.Be2 Nge7 8.0-0 0-0 9.a3 a6 10.Qe1 b6 11.Bd2 Bb7 12.Rd1 Nd4 13.Nxd4 cxd4 14.Nb1 Qc7 15.Bc1 Rad8 16.Nd2 f5 17.Bf3 e5 18.exf5 Nxf5 19.Bxb7 Qxb7 20.Ne4 d5 21.cxd5 Qxd5 22.fxe5 Bxe5 23.Bg5 Rde8 24.Qb4 Ne3 25.Rxf8+ Rxf8 26.Bh6 Bxh2+ 27.Kh1 Bd6 28.Qxd6 Qh5+ 0-1