[Event "URS-ch58"]
[Site "Moscow"]
[Date "1991.??.??"]
[Round "9"]
[White "Ionov, Sergey"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2610"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d4 c5 6. O-O cxd4 7. Nxd4 h5 8. h3 Nc6 9. Nxc6 bxc6 10. Nc3 O-O 11. Be3 Be6 12. Qd3 Qc8 13. Kh2 Nd7 14. b3 a5 15. Rac1 Rb8 16. Qd2 Nc5 17. Bxc5 dxc5 18. Ne4 a4 19. Nxc5 axb3 20. axb3 Rd8 21. Qf4 Bd4 1/2-1/2