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Oswestry Chess Club
[Event "Shrewsbury A - Oswestry A"] [Site "?"] [Date "2025.04.02"] [Round "Bd 5"] [White "Smith, Jonathan"] [Black "Smith, Mark"] [Result "0-1"] [Annotator "Van Kemenade,Rudy"] [ECO "D94"] [WhiteElo "1517"] [BlackElo "1730"] [PlyCount "49"] [GameId "2164249900183616"] [EventDate "2025.04.08"] [SourceVersionDate "2025.04.08"] {[%evp 0,19,15,23,15,-92,35,20,36,21,16,16,11,7,7,43,-32,-61,-20,-69,-71,-91]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 {A solid line} O-O 5. Nc3 d5 {a Grunfeld} (5... d6 {King's Indian more frequent here}) 6. cxd5 (6. Be2 c5 7. O-O {main, but the text keeps things more closed}) 6... Nxd5 7. Nxd5 {this brings Bl's Q to a strong square, from which she is not easily ousted.Wh scores 21% from 309 games} (7. Bc4 {main, 50%}) (7. Be2) (7. Qb3) (7. Bd2) 7... Qxd5 8. Bd2 c5 9. Bc3 Nc6 10. dxc5 {The consensus of the Cloud Engines actually give this as Wh's best. but it ruins Wh's pawn structure and goes behind in development. SF17 prefers} (10. Be2 {when} cxd4 11. exd4 Rd8 12. O-O {Bl can then win the d pawn immediately; 1-1-4, though} Nxd4 (12... Be6 {seems even stronger} 13. Qa4 a6 14. Rfd1 b5 15. Qa3 a5 16. Qc5 b4 17. Qxd5 Rxd5 18. Be1 Nxd4 19. Nxd4 Rxd4 20. b3 Rc8 21. Rac1 Rxd1 22. Rxc8+ Bxc8 23. Bxd1 Bf5 24. Be2 Bb1 25. Bb5 Bxa2 26. Ba4 Bb1 27. Bd2 Bd4 28. Bf4 Bb6 29. Kf1 Kg7 30. Ke2 Kf6 31. Bb8 Ke6 32. f3 Kd5 33. Bg3 e5 34. Be8 f5 35. Bf7+ Kd6 36. Be8 f4 37. Bh4 Bc2 38. Ba4 Kd5 39. Kd2 Bb1 40. Ke2 e4 41. fxe4+ Bxe4 42. Kf1 f3 43. gxf3 Bxf3 44. Bg3 g5 45. h4 g4 46. h5 Ke4 47. Bb5 Bd1 48. Bc4 Kf3 49. Bd6 Ke3 50. Ke1 Bf3 51. Bg3 Bd8 52. Kf1 Kd4 53. Be1 Bg5 54. Bg3 a4 55. Bf2+ Kc3 56. Be1+ Kc2 57. Bxb4 axb3 58. Bg8 Be4 {0-1 Underwood,I (1784)-Groh,J (2087) EU-chT Railways USIC Dresden 2000 (1.5)})) (10. Bb5 {would be vk's choice, even though it cedes the two Bs} cxd4 11. Bxc6 bxc6 (11... Qxc6 $1 $19) 12. Bxd4 e5 $2 13. Bxe5 $1 $11 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 Rd8+ 16. Kc3 Bf8 17. Rhd1 Be6 18. b3 a5 19. Bf6 Bb4+ 20. Kb2 Rdb8 21. Nd4 Bd5 22. f3 a4 23. e4 Be6 24. Nxe6 fxe6 25. Rd7 Bf8 26. Rad1 axb3 27. axb3 Ba3+ 28. Kc2 Bf8 29. Ra1 Rxa1 30. Bxa1 Rb5 31. Bd4 Rh5 32. h3 Rg5 33. g4 Rb5 34. Kc3 e5 35. Be3 Bb4+ 36. Kc4 Bf8 37. Rd8 Kf7 38. Rc8 Rb4+ 39. Kc3 Rb7 40. Rxc6 Bb4+ 41. Kc4 Be7 42. Bb6 Ke8 43. Bc5 Kd7 44. Rb6 Rc7 45. b4 Bd8 46. Rd6+ Ke8 47. Kd5 Bf6 48. Rxf6 Rd7+ 49. Kxe5 Rd3 50. Re6+ Kd7 51. Rd6+ Rxd6 52. Bxd6 Kc6 53. Ke6 Kb5 54. Kf7 Kc4 55. Kg7 Kd3 56. Kxh7 Ke2 57. Kxg6 Kxf3 58. e5 Kg3 59. g5 Kxh3 60. Kf6 Kg4 61. g6 Kf4 62. g7 Ke4 63. g8=Q Kd4 64. Qe6 Kc3 65. Qd5 Kb2 66. Qc4 Ka3 67. b5+ Kb2 68. Qd3 Ka2 69. Qc3 Kb1 70. Qd2 Ka1 71. Ke6 Kb1 72. Kd5 Ka1 73. Kc4 Kb1 74. Kb3 Ka1 75. Qd1# {1-0 Karwowski,K (2155)-Haydon,D (2242) Titled Tuesday intern op 10th Oct Late Chess.com INT blitz 2023 (4)}) 10... Bxc3+ 11. bxc3 Qxc5 $17 12. Qc2 (12. Rc1 {2 draws, 1 Bl win}) 12... Bf5 (12... Be6 $17 {SF17, preparesto target the c pawn}) 13. Bd3 (13. Qb2 Rfc8 14. Be2 Na5 15. Rc1 Nc4 16. Qa1 a5 {looks terrible as Wh is completely passive, though not yet lost}) 13... Bxd3 14. Qxd3 Rfd8 {a natural move- the Cloud Engines find} (14... Rad8 {even stronger} 15. Nd4 (15. Qc2 Nb4 16. Qb3 Nd3+ 17. Ke2 e5 $19) 15... b6 (15... e5 16. Nb3 Rxd3 17. Nxc5 Rxc3 18. Nxb7 $15 {Wh escapes the worst}) 16. Qd2 e5 17. Nb3 Qc4 18. Qb2 e4 19. Nd4 Ne5 20. Qb3 Qa6 21. a4 Rd6 $19 {SF17}) 15. Qc2 Nb4 16. Qb3 Nd3+ 17. Ke2 Rac8 $17 (17... Rd6 18. c4 (18. Qxb7 Nf4+ $1 {exposing the Wh K} 19. exf4 Qc4+ 20. Ke1 Qxc3+ 21. Ke2 Qc4+ 22. Ke1 Rad8 23. Qxe7 Qc3+ 24. Kf1 Qxa1+ 25. Ne1 Qd4 $19 {SF17- good Engine tactics , though not that easy to calculate}) 18... e5 19. Ng5 Qc6 20. f3 Nc5 21. Qc2 Rc8 22. Rhd1 h6 23. Nh3 e4 $19 {SF17- the Bl pieces control the centre & Wh's K is still unsafe}) 18. Rab1 Qa5 19. c4 Nc5 (19... b5 $1 {SF17, opens up lines or wins with a powerful pawn} 20. Rhd1 (20. cxb5 Rc3 $19) 20... bxc4 21. Qc2 Rd6 $19 {SF17}) 20. Qc2 Rd3 21. Rhd1 {now vk seeing this position, missed that it was Bl to move. If it were instead Wh's move then Rb5 would be a win for Wh against all the run of play} Ra3 (21... Rc3 22. Qb2 Rxc4 $19 {SF17- simpler}) 22. Ra1 Rc3 (22... Nb3 $19) (22... b5 $19 {are SF17 ideas of finishing off}) 23. Qd2 Ne4 24. Qd5 Rc2+ 25. Nd2 (25. Nd2 Nc3+ 26. Kf1 Nxd5 $19) (25. Kf1 Rxf2+ 26. Kg1 Qxd5 27. cxd5 Rcc2 28. Ne1 Rxa2 29. Rdb1 Nd6 $19) 0-1
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