[Event "SK Neumarkt 2-SC Heideck-Hilpoltstein 2"] [Date "2026.05.03"] [Round "9.1"] [White "Ruderer, Alexander"] [Black "Weber, Winfried"] [Result "1/2-1/2"] [WhiteElo "1773"] [WhiteTeam "SC Heideck-Hilpoltstein 2"] [BlackElo "1875"] [BlackTeam "SK Neumarkt 2"] [Board "1"] [Variant "Standard"] [ECO "D05"] [Opening "Queen's Pawn Game: Colle System"] [StudyName "B2s26"] [ChapterName "Ruderer, Alexander - Weber, Winfried"] [ChapterURL "https://lichess.org/study/59iLLezp/Jss55RxD"] [Annotator "https://lichess.org/@/reportskn"] [Orientation "white"] 1. d4 { [%eval 0.15] } 1... Nf6 { [%eval 0.15] } 2. Nf3 { [%eval 0.11] } 2... e6 { [%eval 0.14] } 3. e3 { [%eval 0.0] } 3... d5 { [%eval 0.04] } 4. b3 { [%eval 0.07] } 4... Bb4+ { [%eval 0.07] } 5. c3 { [%eval 0.02] } 5... Be7 { [%eval 0.07] } 6. Bb2 { [%eval 0.05] } 6... O-O { [%eval 0.06] } 7. Nbd2 { [%eval 0.04] } 7... b6 { [%eval 0.0] } 8. Bd3 { [%eval 0.03] } 8... Ba6 { [%eval 0.1] } 9. Ne5 { [%eval 0.03] } 9... Bxd3 { [%eval 0.01] } 10. Nxd3 { [%eval 0.01] } 10... Nbd7 { [%eval 0.02] } 11. O-O { [%eval 0.04] } 11... Rc8 { [%eval 0.08] } 12. Rc1 { [%eval 0.07] } 12... b5 { [%eval 0.3] } 13. c4 { [%eval 0.14] } 13... bxc4 { [%eval 0.1] } 14. bxc4 { [%eval 0.13] } 14... c5 { [%eval 0.22] } 15. cxd5 { [%eval 0.1] } 15... exd5?! { [%eval 0.83] } { Inaccuracy. Nxd5 was best. } (15... Nxd5 16. Qa4 N7b6 17. Qa6 cxd4 18. Bxd4 Qd7 19. Ne4 Rfd8 20. Ne5 Qa4 21. Qxa4) 16. dxc5 { [%eval 0.81] } 16... Nxc5? { [%eval 2.23] } { Mistake. Bxc5 was best. } (16... Bxc5 17. Nxc5 Rxc5 18. Rc2 Qc8 19. Rxc5 Qxc5 20. Qa4 Qb6 21. Rb1 Rc8 22. h3) 17. Nxc5? { [%eval 0.62] } { Mistake. Bxf6 was best. } (17. Bxf6 gxf6 18. Nxc5 Bxc5 19. Qg4+ Kh8 20. Qf5 Kg7 21. Nf3 Bb6 22. g3 Re8) 17... Rxc5 { [%eval 0.59] } 18. Nb3 { [%eval 0.24] } 18... Rxc1 { [%eval 0.3] } 19. Qxc1 { [%eval 0.28] } 19... Qd7 { [%eval 0.21] } 20. Qd2 { [%eval 0.1] } 20... Rc8 { [%eval 0.14] } 21. Rd1 { [%eval 0.11] } 21... Rd8 { [%eval 0.29] } 22. Qa5 { [%eval 0.2] } 22... Qb7 { [%eval 0.62] } 23. Bd4 { [%eval 0.37] } 23... a6 { [%eval 0.75] } 24. g3 { [%eval 0.38] } 24... Rd7?? { [%eval 2.47] } { Blunder. Ne4 was best. } (24... Ne4 25. Nc5 Qb5 26. Qxa6 Qxa6 27. Nxa6 Ra8 28. Nc7 Rxa2 29. Nxd5 Bd6 30. Rc1) 25. Bxf6 { [%eval 2.42] } 25... Bxf6 { [%eval 2.36] } 26. Nc5 { [%eval 2.18] } 26... Qc7 { [%eval 2.12] } 27. Qxc7 { [%eval 1.63] } 27... Rxc7 { [%eval 1.56] } 28. Nxa6?! { [%eval 0.68] } { Inaccuracy. Rxd5 was best. } (28. Rxd5 Be7 29. Nb3 g6 30. Ra5 Rc6 31. Kg2 h5 32. Ra4 Bf6 33. Nd4 Rb6) 28... Ra7 { [%eval 0.62] } 29. Nb4 { [%eval 0.97] } 29... Ra4 { [%eval 0.97] } 30. Nxd5 { [%eval 0.93] } 30... Rxa2 { [%eval 0.86] } 31. Rc1 { [%eval 0.9] } 31... Ra8 { [%eval 0.88] } 32. Nxf6+?! { [%eval 0.02] } { Inaccuracy. Kg2 was best. } (32. Kg2 Bd8 33. g4 Bh4 34. f4 h6 35. Kh3 Bf2 36. Rc2 Be1 37. Kg2 Bh4) 32... gxf6 { [%eval 0.0] } 33. Rc4 { [%eval 0.0] } 33... Ra5 { [%eval 0.0] } 34. Rf4 { [%eval 0.02] } 34... f5 { [%eval 0.42] } 35. Kg2 { [%eval 0.22] } 35... Kg7 { [%eval 0.27] } 36. h4 { [%eval 0.36] } 36... Kg6 { [%eval 0.26] } 37. Rd4 { [%eval 0.0] } 37... f6 { [%eval 0.02] } 38. Rd8 { [%eval 0.04] } 38... h5 { [%eval 0.06] } 39. Rg8+ { [%eval 0.19] } 39... Kf7 { [%eval 0.05] } 40. Rh8 { [%eval 0.11] } 40... Kg6 { [%eval 0.12] } 41. Rd8 { [%eval 0.13] } 41... Ra3 { [%eval 0.13] } 42. Rd2 { [%eval 0.19] } 42... Rb3 { [%eval 0.02] } 43. Kf3 { [%eval 0.01] } 43... Rb4 { [%eval 0.1] } 44. Ke2 { [%eval 0.0] } 44... Ra4 { [%eval 0.0] } 45. Rc2 { [%eval 0.0] } 45... Rb4 { [%eval 0.0] } 46. Kd3 { [%eval 0.0] } 46... Ra4 { [%eval 0.0] } 47. Kc3 { [%eval 0.0] } 47... Ra8 { [%eval 0.0] } 48. Rb2 { [%eval 0.0] } 48... Rc8+ { [%eval 0.0] } 49. Kd2 { [%eval 0.03] } 49... Ra8 { [%eval 0.0] } 50. Ke2 { [%eval 0.0] } 50... Ra4 { [%eval 0.0] } 51. f3 { [%eval 0.0] } 51... Kf7 { [%eval 0.0] } 52. Rd2 { [%eval 0.0] } 52... Kg6 { [%eval 0.0] } 53. Rd4 { [%eval 0.0] } 53... Ra2+ { [%eval 0.0] } 54. Rd2 { [%eval 0.0] } 54... Ra4 { [%eval 0.0] } 55. f4 { [%eval 0.0] } 55... Rb4 { [%eval 0.0] } 56. Rd4 { [%eval 0.0] } 56... Rb2+ { [%eval 0.0] } 57. Kf3 { [%eval 0.0] } 57... Rb3 { [%eval 0.0] } 58. Rd2 { [%eval 0.0] } 58... Ra3 { [%eval 0.0] } 59. Re2 { [%eval 0.0] } 59... Rb3 { [%eval 0.0] } 60. Kf2 { [%eval 0.0] } 60... Rb4 { [%eval 0.0] } 61. Rd2 { [%eval 0.0] } 61... Ra4 { [%eval 0.0] } 62. Rd4 { [%eval 0.0] } 62... Ra2+ { [%eval 0.0] } 63. Kf3 { [%eval 0.0] } 63... Ra3 { [%eval 0.0] } 64. Kg2 { [%eval 0.0] } 64... Rxe3 { [%eval 0.0] } 65. Rd8 { [%eval 0.0] } 65... Re7 { [%eval 0.0] } 66. Kf3 { [%eval 0.0] } 66... Ra7 { [%eval 0.0] } 67. Rg8+ { [%eval 0.0] } 67... Kf7 { [%eval 0.0] } 68. Rh8 { [%eval 0.0] } 68... Kg6 { [%eval 0.0] } 69. Rg8+ { [%eval 0.0] } { 1/2-1/2 } 1/2-1/2