[Event "DSOL-KO 2021"] [White "Ritscher,Jan-Paul"] [Black "Volkmer,Andreas"] [Site "Germany"] [Round "1"] [Annotator "TA"] [Result "1-0"] [Date "2021.04.12"] [WhiteElo "2254"] [BlackElo "2175"] [PlyCount "111"] 1. e4 {} g6 2. d4 Bg7 3. Nc3 d6 4. h3 Nf6 5. g3 c5 (5... 0-0 $11 )6. dxc5 $14 {B07: Pirc Defence: Miscellaneous Systems.} Qa5 $1 7. Bg2 Qxc5 8. Nge2 {White is slightly better.} 0-0 9. 0-0 Nc6 10. Be3 Qa5 11. f4 Bd7 12. a3 Rac8 {[#]} 13. Qd2 $146 ({ Predecessor:} 13. Qe1 Qc7 14. Rc1 Na5 15. b3 b6 16. g4 e6 17. Qf2 Ne8 18. Bd4 Bxd4 19. Qxd4 {1-0 (49) Ptak,P (2147)-Janda,Z (2217) Czechia 2002} )Rfd8 14. b4 Qc7 15. Rab1 b6 16. Rfc1 (16. g4 $14 )Nb8 17. g4 {g5 is the strong threat.} e6 18. Nd1 (18. Rb3 $14 )Bc6 19. Nf2 Qb7 {} 20. Qd3 {Hoping for b5.} Qe7 (20... d5 $1 $11 )21. c4 Bb7 22. Rd1 e5 (22... Ne8 $11 )23. f5 {White leaves nothing to chance now.} gxf5 24. gxf5 b5 (24... Nbd7 $16 )25. cxb5 $18 d5 26. Bc5 ({Don't take} 26. exd5 $6 Bxd5 27. Bc5 (27. Bxd5 Rxd5 28. Qb3 Rxd1+ 29. Qxd1 Qb7 $16 )Qc7 $16 )(26. Bxa7 dxe4 27. Qe3 Nd5 )Qe8 27. exd5 Bxd5 28. Bxd5 Nxd5 (28... Rxd5 {keeps fighting.} 29. Qc4 Nbd7 )29. Qg3 {And now Rxd5! would win.} ({Less strong is} 29. Bxa7 Nf6 $16 )Kh8 30. a4 ({Not} 30. Bxa7 Qxb5 31. Qf3 Nf6 $16 )a6 31. Ne4 axb5 32. Nd6 Rxd6 33. Bxd6 Nf4 34. Nxf4 exf4 35. Qxf4 Bf6 36. a5 Nc6 37. Kh1 Qe2 38. Rd2 Qh5 39. Qg4 Qh6 40. Bf4 Qf8 41. Bd6 Qh6 42. Rg2 Ne5 43. Bxe5 Bxe5 44. Rbg1 {White threatens Qg8+! and mate.} Qf8 45. a6 {} h6 46. Qe4 f6 47. Rd1 (47. Rg6 $142 Bc3 48. Qf4 Bd2 49. Qxd2 Rc7 50. Qxh6+ Qxh6 51. Rxh6+ Rh7 {[#]} 52. a7 $1 {} Rxh6 53. a8=Q+ Kh7 54. Qg8# )Rc3 48. a7 {White mates.} Rxh3+ 49. Kg1 Ra3 50. Qb7 Bf4 {[#]} 51. Rd8 $1 { } Be3+ (51... Ra1+ 52. Kf2 )52. Kf1 {} Ra1+ 53. Ke2 {} Ra2+ 54. Kxe3 { Discovered Attack} Ra3+ 55. Kf4 {} Rxa7 56. Rxf8# {Weighted Error Value: White=0.13/ Black=0.36} 1-0