whiteshark: <Novelty of stem-game: <8. ...Na6>>Well, there are:
[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.08.??"]
[Round "6"]
[White "Ballmann, Martin"]
[Black "Villamayor, Bong"]
[Result "1/2-1/2"]
[ECO "A16"]
[BlackElo "2205"]
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O O-O 8.
d3 Na6 9. Be3 c6 10. Qd2 Bg4 11. Bh6 Bxf3 12. Bxf3 Qd4 13. Bxg7 Kxg7 14. Rfd1
Rad8 15. Bg2 e5 16. Rac1 Nc5 17. Qc2 Ne6 18. e3 Qd7 19. Ne4 Qe7 20. Nc5 Qxc5
21. Qxc5 Nxc5 22. Rxc5 f6 23. Kf1 Rd6 24. f4 exf4 25. gxf4 Rfd8 26. Ke2 Nd5 27.
a3 b6 28. Rc4 Re6 29. Re4 Kf7 30. Rxe6 Kxe6 31. Rf1 c5 32. Rf3 a5 33. e4 Nc7
34. Rh3 Rd7 35. Rh6 Rg7 36. Bh3+ Kd6 37. Bg4 Ne6 38. Ke3 b5 39. f5 Nd4 40. fxg6
Rxg6 41. Rxg6 hxg6 42. h4 b4 43. axb4 axb4 44. h5 gxh5 45. Bxh5 Ke5 46. Bg6 f5
47. exf5 Nxf5+ 48. Bxf5 Kxf5 49. b3 1/2-1/2
[Event "Wch U26"]
[Site "Odessa"]
[Date "1990.??.??"]
[Round "1"]
[White "San Segundo Carrillo, Pablo"]
[Black "Balinov, Ilija"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2405"]
[BlackElo "2265"]
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O O-O 8.
d3 Na6 9. Bf4 Re8 10. Qd2 c6 11. Rac1 Be6 12. Rfd1 Qd7 13. b3 Rad8 14. h4 Bh3
15. Bh1 e5 16. Bh6 Bg4 17. Nh2 Bf5 18. h5 gxh5 19. Bf3 Bg6 20. Bxg7 Kxg7 21.
Qg5 Qe7 22. Qxe7 Rxe7 23. Nf1 f5 24. Ne3 Ree8 25. Kf1 Nc7 26. Nc4 Ncd5 27. Nxd5
Nxd5 28. e4 Nf6 29. exf5 Bxf5 30. Ke2 Kg6 31. Na5 Re7 32. Bxc6 bxc6 33. Nxc6
Rde8 34. Nxe7+ Rxe7 35. f3 Nd5 36. Rc4 Rd7 37. Rd2 Nc7 38. Rc5 Kf6 39. Rc6+ Ne6
40. Ke3 Kg5 41. Rc4 Bg6 42. b4 Rd4 43. a4 h4 44. gxh4+ Kxh4 45. b5 Kg5 46. a5
Rd6 47. Rc6 Rxc6 48. bxc6 Kf6 49. Rb2 Ke7 50. Rb7+ Kd6 51. Rxa7 Nc7 52. Rb7
Kxc6 53. Rb6+ Kc5 54. Rb8 Kc6 55. Rb6+ Kc5 56. Rb8 Kc6 1/2-1/2