[Event "Siegen Exhibition Ga"] [Site "Siegen FRG"] [Date "1970.??.??"] [Round "?"] [White "Robert James Fischer (?)"] [Black "Ulf Andersson (?)"] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Modern Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 { A01 Nimzo-Larsen Attack: Modern Variation } 4. e3 Be7 5. a3 O-O 6. Qc2 Re8 7. d3 Bf8 8. Nf3 a5 9. Be2 d5 10. cxd5 Nxd5 11. Nbd2 f6 12. O-O Be6 13. Kh1 Qd7 14. Rg1 Rad8 15. Ne4 Qf7 16. g4 g6 17. Rg3 Bg7 18. Rag1 Nb6 19. Nc5 Bc8 20. Nh4 Nd7 21. Ne4 Nf8 22. Nf5 Be6 23. Nc5 Ne7?! { (0.83 → 1.48) Inaccuracy. Nd7 was best. } (23... Nd7 24. Nxe6 Rxe6 25. h4 Nb6 26. h5 Qd7 27. Nxg7 Qxg7 28. Bf3 Red6 29. Be4 g5 30. Kg2 Qe7 31. Rc1) 24. Nxg7 Kxg7 25. g5 Nf5 26. Rf3 b6 27. gxf6+ Kh8 28. Nxe6 Rxe6 29. d4 exd4 30. Bc4 d3? { (1.65 → 3.31) Mistake. Nd6 was best. } (30... Nd6 31. Bxe6 Nxe6 32. Rg4 c5 33. Kg1 Ne8 34. exd4 cxd4 35. Qc4 Nd6 36. Qc6 Nf5 37. Qxb6 Qxf6 38. Rxd4) 31. Bxd3 Rxd3 32. Qxd3 Rd6 33. Qc4 Ne6 34. Be5 Rd8 35. h4 Nd6 36. Qg4 Nf8?! { (3.48 → 4.56) Inaccuracy. Rg8 was best. } (36... Rg8 37. h5 Nc5 38. Qh4 g5 39. Rxg5 Rxg5 40. Qxg5 Ne8 41. Kg2 Nxb3 42. e4 Nc5 43. Qg4 Nd7 44. Bb2) 37. h5 Ne8 38. e4 Rd2 39. Rh3 Kg8 40. hxg6 Nxg6 41. f4 Kf8 42. Qg5 Nd6 43. Bxd6+ *