[Event "Ch City"] [Site "masterchessopen.com Koblenz (Germany)"] [Round "4"] [White "Birnstiel Karl (GER)"] [Black "Zittro Karl (GER)"] [Result "1-0"] [ECO "B06"] [Opening "Modern: Three Pawns Attack"] 1.e4 g6 2.d4 Bg7 3.f4 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.c3 e5 7.Nb5 a6 8.Nd6+ Kf8 9.Bc4 Nh6 10.O-O Qb6+ 11.Kh1 Na5 12.Be2 Ke7 13.b3 Qxd6 14.Ba3 {#r} 1-0