[Event "Ch Ruhrgebiet (juniors) (under 20)"] [Site "Muelheim (Germany)"] [Round "0"] [White "Nebel Jens (GER)"] [Black "Klapschus A"] [Result "1-0"] [WhiteElo "2144"] [ECO "C10"] [Opening "French: Marshall Variation"] 1.e4 e6 2.d4 d5 3.Nc3 c5 4.Nf3 Nc6 5.Be3 Qb6 6.Qd2 Nf6 7.exd5 cxd4 8.Nxd4 Nxd4 9.Bxd4 Bc5 10.Bb5+ Bd7 11.Bxd7+ Nxd7 12.Na4 Qb4 13.Nxc5 {#r} 1-0