[Event "Unna op"] [Site "Unna GER"] [Date "2003.12.29"] [EventDate "2003.12.27"] [Round "5"] [Result "0-1"] [White "Holger Kaesemann"] [Black "Ralf Wagner"] [ECO "E93"] [WhiteElo "1630"] [BlackElo "2059"] [PlyCount "28"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. b4 a5 9. Ba3 Nh5 10. Nd2 Nf4 11. O-O f5 12. c5 axb4 13. c6 bxc6 14. Bxb4 c5 0-1