Einzelpokal 1999/2000, 4.Runde

(1) Pfeiffer,R (1840) - Jonas,B (2130) [D85]
EP 1999/00 Berlin (3.4), 01.12.1999

1.c4 Sf6 2.d4 g6 3.Sc3 d5 4.cxd5 Sxd5 5.e4 Sxc3 6.bxc3 Lg7 7.Le3 c5 8.Lb5+ Sd7 9.Se2 cxd4 10.Lxd4 0-0 11.0-0 Sf6 12.f3 Dc7 13.a4 Td8 14.Db3 e5 15.Lf2 Le6 16.Db4 a6 17.a5 Lf8 18.Db2 axb5 19.Lb6 Lc5+ 0-1