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Oswestry Chess Club
[Event "Club Championship 2024/5"] [White "Bailey, Adrian"] [Black "Cosens, Paul"] [Site "?"] [Round "Rd 3"] [Annotator "Van Kemenade,Rudy"] [Result "1-0"] [Date "2024.12.19"] [ECO "E18"] [WhiteElo "1761"] [BlackElo "1737"] [PlyCount "87"] [GameId "2124935408509214"] [EventDate "2024.12.20"] {[%evp 0,67,11,41,14,19,23,12,26,11,28,25,24,20,18,31,89,56,88,84,78,85,73,36,-74,89,92,66,-13,30,92,49,66,-65,55,58,69,48,41,-16,58,99,87,99,89,78,97,79,105,-9,135,144,127,139,239,129,348,338,353,249,339,278,310,299,420,339,462,238,333,299]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 {main} (4. Bg5 Bb7 5. e3 h6 6. Bxf6 Qxf6 7. Nbd2 c5 $15 {Smith-Cosens, Oswestry ch rd1 2024,0-1}) 4... Bb7 (4... Ba6 {This has become more popular than the original Bb7}) 5. Bg2 Be7 6. O-O O-O 7. Nc3 {main} (7. d5 exd5 8. Nh4 (8. Nd4 {is an interesting sacrifice line})) 7... c5 (7... Ne4 {main}) (7... d5) 8. d5 {After this Bl suffers from a space disadvantage with the QB shut out of the game; 73% for Wh} exd5 9. cxd5 d6 10. e4 Nbd7 11. Nd2 (11. Re1 $16 {main}) (11. e5 $16 {scores better but perhaps too early a break}) 11... Re8 (11... Ba6 {Cloud Engines} 12. Re1 Ne5 13. a4 $16 {SF17} (13. f4 Nd3 14. Re3 Nxc1 15. Rxc1 $16 {1 game each})) 12. f4 a6 13. Re1 Bf8 14. a4 Qc7 15. Nf3 (15. Nc4 $16 {is the main idea behind Nd2- from here the N stifles Q side play by Bl as well as supporting a potential e5 break( and leaves the wh B diagonal open}) 15... Rad8 (15... c4 $11 {SF17}) 16. Qc2 (16. b3 $16 {SF17}) 16... c4 17. Be3 Nc5 18. Bxc5 $6 {weakens the bl squares} (18. Nd2 Nd3 19. Re2 Ng4 20. Bd4 Be7 21. Kh1 Bf6 22. Bg1 $16 {SF17}) 18... Qxc5+ 19. Kh1 (19. Qf2 Rc8 20. Qxc5 Rxc5 $11 {SF17}) 19... b5 {but this advance costs a pawn} (19... g6 20. Qd2 Bg7 21. h3 Nd7 $15 {SF17- Wh's pawn centre could become weak since there is no clear way to getting it to advance}) 20. axb5 axb5 21. Ra5 Ng4 22. h3 (22. Rxb5 Qa7 (22... Nf2+ 23. Kg1 $18) 23. Re2 $18 {SF17}) 22... Nf2+ 23. Kh2 Nd3 24. Re2 (24. Rb1 $14) 24... f5 (24... Qc7 $11 {Sf17} 25. Rxb5 Ba6 26. Nd4 Bxb5 27. Ncxb5 Qc5 28. b3 Rc8 29. bxc4 Qxc4 30. Qd1 Nb4 31. Rb2 $11) 25. Rxb5 $18 (25. Ng5 $18 {SF17}) 25... Qc7 26. Nd4 Bc8 27. Nc6 (27. Ne6 Bxe6 28. dxe6 Rxe6 29. exf5 $18 {SF17}) (27. exf5 $18 {SF17}) 27... Rd7 28. exf5 (28. b3) 28... Rxe2 29. Qxe2 (29. Nxe2 {SF17-sends the N to e6}) 29... Rf7 30. Ne4 Rxf5 (30... h6) 31. Ng5 Rf6 32. Ra5 (32. Rb8 {SF17}) 32... Qb6 33. Ra7 (33. Qe8 Qc7 34. Ra8 $18 {SF17}) 33... Bb7 34. Qe4 (34. Ne7+ Bxe7 35. Qxe7 Nc5 36. Ne6 $1 Nxe6 37. Rxb7 $18 {SF17}) 34... g6 35. Qxc4 Nxb2 36. Qa2 (36. Qc3 Rf5 37. Qd4 Qxd4 38. Nxd4 $18 {SF17}) 36... Nd3 37. Ne6 (37. Qa1 Bg7 38. Qa5 $18 {SF17}) 37... Rf7 38. Ned8 Rd7 39. Ne6 Nc5 40. Nxf8 (40. Ra8 Bxa8 41. Qxa8 Rf7 42. Ne7+ Kh8 43. Nxf8 Kg7 44. Qa1+ Kxf8 45. Nc8 $18 {SF17- meanwhile Wh's B on g2 has done an excellent job of safeguarding the K}) 40... Kxf8 41. Qa1 Kg8 42. Ra2 Bxc6 {accerates the end, but the Bl pieces have been passive for quite some time- except for the N which has been on a longish odyssey all on its own} 43. dxc6 Rg7 44. Bd5+ $1 1-0
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Annotated by