[Event "Quito 1976"]  [Round "?"]  [White "Evgeni, Vasiukov"]  [Black "Oscar Panno"]  [Result "0-1"]  [ECO "C94"]  [WhiteElo "2580"]  [Annotator "ATH"]  [PlyCount "72"]  [EventDate "1976.??.??"]  [EventType "tourn"]  [EventRounds "17"]  [EventCountry "ECU"]  [EventCategory "5"]  [SourceTitle "StarBase 4.56"]  [SourceDate "2004.11.04"]  [SourceVersion "1"]  [SourceVersionDate "2004.11.04"]  [SourceQuality "2"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3  O-O 9. h3 Nb8 10. d3 Nbd7 11. Nbd2 Bb7 (11... c5 $1 12. Nf1 Nb6 13. Ng3 c4 14.  Bc2 cxd3 15. Qxd3 Re8 $11 {Demuria-Sardarov, Tbilisi 1957}) 12. Nf1 Nc5 13. Bc2  Re8 14. Ng3 Bf8 15. Nh2 (15. Be3 $5 h6 16. b4 Ncd7 $11) 15... Ne6 ({The main  line is} 15... d5 $11) (15... a5 $5 $11) 16. Nf5 (16. d4 exd4 17. cxd4 c5 18.  d5 Nd4 $11) 16... Kh8 (16... c5 $11 {Babula-Thipsay, Poznan 1984}) 17. Qf3 (17.  d4 g6 $11) 17... Ng8 (17... c5 $11) 18. Ng4 (18. Ne3 $5) 18... g6 19. Nfh6 Nxh6  20. Nxh6 Bxh6 21. Bxh6 f5 22. g3 (22. Bd2 c5 $11) 22... Ng5 (22... a5 $5) 23.  Qg2 Qf6 24. h4 $6 (24. a4 fxe4 25. Bxg5 (25. dxe4 $2 Nf3+) 25... Qxg5 26. dxe4  bxa4 $11) 24... Nf7 25. Bd2 g5 (25... fxe4 $5) 26. Qf3 f4 27. Bb3 (27. Kf1 $5  Rg8 $15) 27... Rg8 28. Kh1 $6 (28. Kf1 c5 $17) 28... Raf8 $2 (28... c5 $1 29.  Bxf7 Qxf7 30. gxf4 gxf4 $19) 29. Rg1 Rg6 (29... c5 $17) 30. a4 $6 (30. Rg2 $5  c5 $17) 30... bxa4 31. Rxa4 (31. Bxf7 Qxf7 32. h5 Rh6 33. g4 d5 $19 {puts up  more resistance}) 31... Bc8 $1 32. Raa1 g4 $2 (32... Nh6 $19) 33. Qg2 Ng5 $6 (  33... Rh6 $16) 34. Rgf1 $2 (34. hxg5 Qxg5 35. Rgf1 Rh6+ 36. Kg1 Qh5 37. gxf4  exf4 38. Be3 c5 $17) 34... Nf3 35. Bc1 $2 (35. Bd1 {is a slightlj slower  ascent of the gallows}) 35... Rh6 36. Bd1 ({After} 36. Qh3 {White doesn't get  (immediately) checkmated}) 36... Rxh4+ 0-1