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  [Event "Beds CC Div 1"] [Date "2023.11.23"] [White "Mike Botteley"] [Black "Rob Walker"] [Result "0-1"] [ECO "A45"] [Annotator "Tactical Analysis 5.2 (11s)"] [PlyCount "80"]   {[%evp 9,80,34,33,29,29,31,33,8,10,-22,39,7,20,-1,1,-44,-26,-18,0,-56,-40,-109, -62,-92,-68,-54,-17,-19,-66,-66,-17,-190,-115,-216,-89,-266,-440,-456,-266, -232,-195,-365,-363,-540,-533,-526,-416,-419,-492,-404,-565,-543,-430,-467, -454,-463,-464,-492,-456,-472,-480,-452,-476,-629,-643,-608,-431,-585,-486, -485,-488,-491,-413]} 1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nc3 Bg7 5. Qd2 O-O 6. O-O-O Nc6 7. Nf3 a6 8. d5 {White is slightly better.} Na7 {[%cal Oa7b5]} 9. Kb1 (9. Bg5 $142) 9… b5 (9… Nb5 $11) 10. a3 (10. Bg5 $14) 10… c5 $11 11. dxc6 Nxc6 12. Nd4 (12. Bg5 $11) 12… Nxd4 13. exd4 Qb6 14. f3 (14. Bg5 $11) 14… Bd7 15. g4 ({Better is} 15. Bg5 $1 $15) 15… b4 ({Black should play} 15… a5 $1 $17 {aiming for …b4.} 16. g5 b4 $1 17. gxf6 bxc3 18. Qxc3 Bxf6) 16. axb4 $15 Qxb4 17. Ne4 Qb6 (17… a5 $15 {was preferrable.} 18. Nxf6+ Bxf6) 18. Nxf6+ $11 Bxf6 19. h4 Rab8 $40 {[%mdl 128] Black is up to no good.} (19… Rfc8 $15   Qd3 Rab8) 20. c3 $2 {[#] Black keeps a firm grip on the game.} (20. b3 $11 {and White stays safe.}) 20… Ba4 (20… Qb3 $1 $19 {Threatens to win with … Rfc8.} 21. Re1 Be6 22. Rxe6 fxe6) 21. Bd3 (21. Re1 $17) 21… Bb3 (21… Bxd1 $19 {is more deadly.} 22. Rxd1 Bxh4) 22. Rde1 $2 (22. g5 $17 {only move.} Bg7 Rde1) 22… Qa5 $19 23. Re4 Bd5 ({But not} 23… e5 $2 24. dxe5 dxe5 25. g5 ) (23… Qa2+ $142 24. Kc1 Qa1+ 25. Bb1 Rfc8) 24. b4 Bxe4 25. Bxe4 Rfc8 { White must now prevent …Rc4.} 26. Be3 (26. g5 $142 Bg7 27. Kb2) 26… Qa3 27. Rc1 a5 {[%cal Ba6a5,Ba5b4,Bb4a3][%mdl 32]} 28. Qb2 axb4 29. Qxa3 bxa3+ 30. Ka2 {Black is clearly winning.} Rc7 {And now …Rb2+ would win.} 31. Rc2 Rbc8 32. g5 Bg7 33. Kb3 a2 34. Kxa2 Rxc3 35. Rxc3 Rxc3 {KRB-KB} 36. Bf2 e6 {[%cal Be7e6, Be6e5][%mdl 32]} 37. Kb2 Rc8 {Hoping for …Rc4.} 38. Be3 d5 39. Bd3 e5 40. Bd2 f5 {Weighted Error Value: White=0.47/Black=0.43} 0-1