[Event "Ch WK2 (juniors) (under 20)"] [Site "masterchessopen.com ? Stade (Germany)"] [Round "5"] [White "Riedel Christian"] [Black "Diederich Hauke (GER)"] [Result "1-0"] [ECO "C00"] [Opening "French: St. George"] 1.e4 e6 2.d4 a6 3.Nf3 b5 4.a3 Be7 5.Bd3 c5 6.c3 Nf6 7.e5 Nd5 8.O-O d6 9.dxc5 dxc5 10.c4 Nc7 11.Qe2 b4 12.axb4 cxb4 13.b3 Qd7 14.Rd1 Qc6 15.Bf4 {#r} 1-0