[Event "DSOL-KO 2021"] [White "Sielecki,Christof"] [Black "Sawlin,Leonid"] [Site "Germany"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2021.04.15"] [WhiteElo "2431"] [BlackElo "2385"] [PlyCount "97"] 1. c4 {} e5 2. Nc3 Nc6 3. Nf3 f5 4. g3 Nf6 5. d4 e4 6. Nh4 {A27: English Opening: Three Knights Variation.} d6 { 6...d5 injects fresh life into this line.} 7. Bg5 Be7 8. e3 {White has an edge. } 0-0 9. Be2 Nd7 10. Bxe7 Nxe7 11. Ng2 Nf6 12. h4 Be6 13. Nf4 Bf7 {[#]} 14. b4 $146 ({Predecessor:} 14. h5 c5 15. d5 Kh8 16. Kf1 Neg8 17. Kg2 Nh6 18. Rh4 Qe7 19. Qc2 Rae8 20. Rah1 {0-1 (40) Bus,T (2107)-Nabuurs,J (2206) Maastricht 2013} )c5 15. bxc5 dxc5 16. d5 Nc8 17. a4 a6 18. a5 Nd6 19. Kf1 Re8 20. Kg2 Nd7 21. Qb3 Rc8 22. Rhd1 Qf6 23. Na4 Rc7 24. Qa3 g6 25. Ra2 Re5 ({Better is} 25... h6 $11 )26. Rad2 Qe7 $2 {[#] Loses the game.} (26... Re8 $16 )27. Qb2 $1 $18 h6 28. Nb6 Nxb6 29. Qxb6 ({Less strong is} 29. axb6 Rc8 $16 )Kg7 $2 (29... Kf8 30. Ne6+ Bxe6 )30. Ne6+ Bxe6 31. dxe6 Rc6 {[#]} 32. Qxc6 { Remove Defender} bxc6 33. Rxd6 Kf6 34. Rd7 Qe8 {[#]} 35. Rd8 {} Qe7 36. R1d7 Rxe6 37. Rxe7 Kxe7 { Endgame KRB-KR} 38. Ra8 h5 39. Rxa6 Rd6 40. Rb6 Kd7 41. Rb7+ Kc8 42. Rg7 Kb8 43. a6 {} Ka8 44. Kf1 Kb8 45. Ke1 Ka8 46. a7 Rf6 47. Bd1 {White mates.} Rd6 48. Ba4 f4 49. Rc7 {Weighted Error Value: White=0.04/Black=0.25} 1-0