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Oswestry Chess Club
[Event "Oswestry B v Telford B"] [Site "Oswestry"] [Date "2025.02.13"] [Round "Bd 3"] [White "Butler, Keith"] [Black "Slegg, Gary"] [Result "1/2-1/2"] [Annotator "Slegg,Gary"] [ECO "B27"] [WhiteElo "1438"] [BlackElo "1573"] [PlyCount "75"] [GameId "2145101051457546"] [EventDate "2025.??.??"] {[%evp 9,75,20,66,-7,-1,-12,0,-29,13,-5,16,1,6,-31,-11,-20,-13,-59,23,-41,67,64,83,2,68,32,55,27,31,-30,-1,-36,49,45,59,40,63,42,64,1,6,0,5,-21,-23,-41,-42,-48,-36,-41,-37,-53,-32,-51,-26,-49,-9,-52,-18,-27,1,-60,-8,-80,-28,-83,1,-58] B27: Sicilian: 2 Nf3, unusual Black 2nd moves} 1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. O-O Bg7 5. c3 Nf6 {[%eval 66,20]} (5... e6 $11 {[%eval 20,20] is superior.}) 6. d3 {[%eval -7,21]} (6. e5 $14 {[%eval 66,20] [quirk that Wh also scores 66% with this-vk]}) 6... O-O 7. Bg5 (7. Be3 {[Indeed the most frequent but Wh only scores 39% with it; it blocks the e file where Wh's R need to be(Wh's structure is similar to a Ruy Lopez, especially after Bl plays e5)-vk]} b6 8. h3 d5 9. exd5 Nxd5 10. Re1 Nxe3 11. Rxe3 Bb7 12. Na3 a6 13. Nc2 b5 14. Bb3 Qd6 15. Qe2 Rad8 16. Re1 Bh6 17. Re4 Qxd3 18. Qxd3 Rxd3 19. Ne3 e6 20. Ng4 Bg7 21. R4e2 Rfd8 {Joaquim,C-Carneiro,C (2232) Lisbon 2015 0-1 (49)}) 7... d6 8. h3 $146 {[ not at all- Chessbasedatabase online has 46 games with this-vk} (8. Nbd2 {[main here , transposing to 44 games in total- but that is less than the 46 after the text move-vk]} a6 (8... Bg4 9. Re1 Qd7 10. Nf1 d5 11. Bxf6 Bxf6 12. exd5 Ne5 13. Nxe5 Bxe5 14. Qd2 Qf5 15. Ne3 Qg5 16. Qc2 Bh5 17. Rab1 Qh4 18. Red1 Qxh2+ 19. Kf1 Qh1# {0-1 (19) Kammerer,L (856)-Wozniak,N (789) Verden an der Aller 2020}) 9. a4 Rb8 10. d4 cxd4 11. Nxd4 Nxd4 12. cxd4 Nxe4 13. Bxf7+ Rxf7 14. Nxe4 Qb6 15. Be3 Qxb2 16. Qd3 Qb4 17. Rfb1 Qa5 18. Qb3 d5 19. Ng5 Rf5 20. Rc1 Qd8 21. g4 Rf6 22. Rc5 e6 {Hadj Sassi,N (2000)-Schmalzried,V (1866) Berlin-Lichtenrade 2011 0-1 (39)}) 8... Qb6 {[%eval 13,20]} (8... Na5 $142 {[%eval -29,21] [ Cloud Engines& =, yet 0-3-6-vk}) (8... a6 $11 {vk- yet 1-3-13}) 9. Bb3 $11 {Komodo10-vk} (9. Na3 {vk} a6 10. Qd2 Qc7 11. Rfe1 Na5 12. Rad1 b5 13. Bd5 Rb8 14. b4 Nc6 15. bxc5 dxc5 16. Bxc6 Qxc6 17. e5 b4 18. exf6 exf6 19. Bf4 {1-0 Rocha,M (2154)-Alfaro Caracas,W (2166) NCA-ch Managua 2017 (2)}) (9. Qd2 Na5 10. Na3 $11 {SF17 & F19-vk}) 9... Qc7 10. Qd2 b5 11. Bh6 {[%eval -31,21]} (11. Qe3 $11 {[%eval 6,18]}) 11... c4 12. Bxg7 Kxg7 13. Bc2 {[%eval -59,18]} (13. dxc4 $11 {[%eval -13,20]} bxc4 14. Bxc4) 13... Bb7 {[%eval 23,20]} (13... cxd3 $15 {[%eval -59,18]} 14. Qxd3 Qb6) 14. Re1 {[%eval -41,18]} ({White should try} 14. d4 $11 {[%eval 23,20]}) 14... Nd7 {[%eval 67,21]} (14... Rfd8 $15 {[%eval -41,18]}) 15. d4 $14 e5 {[#]} 16. d5 {[%eval 2,20]} (16. a4 $1 $16 {[%eval 83,18]}) 16... Ncb8 {[%eval 68,19] [ this just creates a logjam on the Q side with the Ns interfering with each others amovements-vk} (16... Ne7 $11 {[%eval 2,20]}) 17. a4 {[%eval 32,20]} (17. b4 $142 $1 {[%eval 68,19]}) 17... a6 18. axb5 axb5 19. Na3 {[%eval -30,21]} ({Better is} 19. Rxa8 $14 {[%eval 31,21]} Bxa8 20. Nh2 {[agreed - Wh should go for a K side attack, earlier commenced by swapping off the g 7 B protector, especially with all those Bl piecestied up on the Q side-vk}) 19... Qb6 20. b3 {[%eval -36,23]} (20. Nh2 $11 {[%eval -1,20] was preferrable.}) 20... Qc5 {[%eval 49,22]} (20... cxb3 $15 {[%eval -36,23]} 21. Bxb3 Nc5) 21. b4 Qb6 22. Qe3 {[#] And now Qxb6 would win.} Ra6 (22... Qxe3 $2 23. fxe3 Nb6 24. Nxb5 $18) 23. Qxb6 Rxb6 24. Nb1 {[%eval 1,23] White is more active.} (24. Nd2 $14 {[%eval 64,23]}) 24... Na6 $11 25. Nbd2 Ra8 26. Ra5 Nc7 {White must now prevent ...Rxa5.} 27. Rea1 Rba6 {Against Ra7} 28. Rxa6 Rxa6 29. Rxa6 Bxa6 30. g4 h6 31. Nh4 Bc8 32. f3 Nb6 {[%cal Of7f5]} 33. Nb1 {[%eval -52,24]} (33. Kf2 $11 {[%eval -9,24]}) 33... Kf6 {[%eval -18,25]} (33... f5 $15 {[%eval -52,24] deserves consideration.[best though SF17 still rates it as =-vk}) 34. Kf2 Kg5 35. Kg3 {[%eval -60,25]} (35. Ng2 $11 {[%eval 1,24]}) 35... h5 {[%eval -8,25]} (35... Bd7 $1 $15 {[%eval -60,25] [SF17 =-vk}) 36. Bd1 {[%eval -80,25]} (36. Ng2 $1 $11 {[%eval -8,25]}) 36... Ne8 {[%eval -28,25]} (36... f5 $17 {[%eval -80,25] Hoping for ...f4+.} 37. Ng2 hxg4 38. hxg4 Bd7) 37. Na3 {[%eval -83,25]} (37. Bc2 $11 {[%eval -28,25] remains equal.}) 37... Nc7 {[%eval 1,25]} (37... f5 $17 {[%eval -83,25] Strongly threatening ...f4+.} 38. Ng2 (38. gxf5 gxf5 39. Nxf5 Bxf5 $17) 38... hxg4 39. hxg4 Bd7) 38. Bc2 {[%eval -58,26] Weighted Error Value: White=0.35/Black=0.34[ just level most of the game-vk]} (38. Nb1 $1 $11 {[%eval 1,25]}) 1/2-1/2
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