[Event "The KID"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Petrosian System"] [Black "?"] [Result "*"] [ECO "E92"] [Annotator "alanm"] [PlyCount "28"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. b4 a5 9. b5 Nc5 10. Qc2 Nfxe4 11. Nxe4 Nxe4 12. Qxe4 f5 13. Qb1 {this line loses} (13. Qe3 f4 14. Qc3 (14. Qd3 e4 15. Qxe4 Bxa1) (14. Qd2 e4 15. Nd4 Qh4) 14... e4 15. Nd4 Qf6 16. Bb2 f3) 13... e4 14. Nd2 Qf6 *