[Event "Lower Saxony Congress"] [Site "Lehrte"] [Date "1931.05.??"] [EventDate "1931.05.??"] [Round "?"] [Result "1/2-1/2"] [White "Heinz Matthai"] [Black "S Heinemann"] [ECO "B00"] [WhiteElo "?"] [BlackElo "?"] [Source "Hannover Kurier1931.6.28; 2025.03.22"] [PlyCount "100"] 1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Be3 e5 5. c4 Bb4+ 6. Nd2 Qe4 7. d5 Nd4 8. Qa4+ Bd7 9. Qxb4 Qxe3+ 10. fxe3 Nc2+ 11. Kd1 Nxb4 12. b3 Bg4+ 13. Ngf3 Nf6 14. a3 Na6 15. h3 Bxf3+ 16. Nxf3 Nc5 17. Kc2 Nfd7 18. g4 a5 19. Bg2 a4 20. b4 Nb3 21. Rad1 O-O 22. Nh4 g6 23. Rhf1 Kg7 24. Rf2 f6 25. Nf3 Rh8 26. Nh4 Rhd8 27. Be4 Nb6 28. Kc3 c5 29. Rdf1 cxb4+ 30. axb4 Rac8 31. c5 Nxc5 32. bxc5 Rxc5+ 33. Kb2 Nc4+ 34. Kb1 Nxe3 35. Rc1 Rxc1+ 36. Kxc1 Nc4 37. Rc2 Nd6 38. Rc7+ Kg8 39. Bc2 b5 40. Nf3 Rc8 41. Rxc8+ Nxc8 42. g5 Kg7 43. gxf6+ Kxf6 44. Kb2 Nd6 45. Ka3 e4 46. Nh2 Ke5 47. Ng4+ Kxd5 48. Nf6+ Kc5 49. Nxe4+ Nxe4 50. Bxe4 1/2-1/2