[Event "Luhacovice International"]
[Site "Luhacovice"]
[Date "1969.05.31"]
[Round "11"]
[White "Lengyel, Levente"]
[Black "Navarovszky, Laszlo"]
[Result "1/2-1/2"]
[ECO "E43"]
[Opening "Nimzo-Indian Defense: St. Petersburg Variation"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Bxc3 8. bxc3 Nxc3 9. Qc2 Bxf3 10. gxf3 Qg5+ 11. Kh1 Qh5 12. Kg2 Qg5+ 13. Kh1 Qh5 14. Rg1 Qxf3+ 15. Rg2 f5 16. Qxc3 Qd1+ 17. Rg1 Qf3+ 18. Rg2 1/2-1/2