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Oswestry Chess Club
[Event "Club Championship 2024/5"] [White "Grocott-James, Al"] [Black "Evans, Alf"] [Site "?"] [Round "Rd 3"] [Annotator "Van Kemenade,Rudy"] [Result "1-0"] [Date "2024.11.28"] [ECO "B53"] [WhiteElo "1431"] [BlackElo "1391"] [PlyCount "37"] [GameId "2117236267487572"] [EventDate "2024.11.29"] {[%evp 0,19,11,25,14,23,25,15,15,7,13,-2,-5,-39,15,2,22,21,47,6,36,28]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 {a line designed to keep the Q in a strong central position, even if it means giving up the two Bs} (4. Nxd4 {main}) 4... Nf6 (4... Nc6 5. Bb5) 5. Bg5 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Nc3 e5 $16 {71% for Wh, chases Q but leaves the Bl position more static. and static positions tend to favour Ns} (8... e6 $11 {main, 53% for Wh, leaves Bl a bit more flexible in ways of using both Bs}) 9. Qd3 Be7 10. h3 (10. O-O-O {main}) (10. Bxf6 Bxf6 11. O-O-O {Cloud Engines}) 10... O-O (10... Nxe4 11. Bxe7 Qxe7 12. Nxe4 d5 13. Ned2 e4 14. Qe3 exf3 15. Qxe7+ Kxe7 16. Nxf3 a5 $11 {SF17- relying on its defensive capacities, but Bl will have difficulties in practice with an isolated QP , and a bad B}) 11. O-O-O h6 12. Be3 {with the centre static, Wh aims for a pawnstorm on the flank} (12. Bxf6 Bxf6 13. Kb1 (13. Qxd6 Qxd6 14. Rxd6 Be7 15. Rd3 f5 16. Re1 $14) 13... Qb6 14. Qe2 $14 {SF17}) 12... a6 (12... b5 $1 {is more energetic- Bl can attack Wh's slightly more exposed Q side castling}) 13. Nh4 (13. g4 b5 (13... Bb5) 14. g5 hxg5 15. Bxg5 (15. Nxg5) 15... b4 16. Bxf6 Bxf6 (16... bxc3 $1 17. Bxe7 Qxe7 18. Rhg1 Qb7 19. Qxc3 Bxe4 $17 {SF17}) 17. Nd5 Bb5 (17... Bxd5 18. Qxd5 Qb6 19. h4 $11 {SF17}) 18. Qe3 $16 {Kornath-Klemm, Berlin Unicorn op, 2007,1-0} (18. Qd2 $14 {Cabrera Piedra-Acosta, Jose Marti Memorial Jaguey Grande 2007,1-0})) 13... Qc7 $6 {Bl is too slow to react} (13... Nxe4 $1 {usually the best response to a side attack is to openup the middle} 14. Nxe4 Bxh4 15. Nxd6 Qf6 16. Qf5 Bxg2 $1 {looks dangerous, but engines are good at defending vigourously} 17. Rhg1 Bf3 18. Rd3 Rfd8 19. Qxf6 Bxf6 20. Bxh6 e4 21. Rd2 Be5 22. Nc4 (22. Nxb7 Rxd2 23. Bxd2 e3) 22... Rxd2 23. Nxd2 f5 24. Nxf3 exf3 25. Bd2 Kf7 $15 {SF17- a messy position, it seems that Wh's pawns on f2 and h3 are vulnerable}) 14. g4 $2 {it is always tricky leaving pieces hanging in mid air} (14. Nf5 Rfd8 15. g4 $16 {is the correct move order, when Wh has a very powerful attack} d5 16. Bb6 Qxb6 17. Nxe7+ Kh8 18. exd5 Rd7 19. Nxc6 bxc6 20. d6 Qxf2 21. Rhf1 Qh4 22. Qe3 $16 {SF17}) 14... g5 $2 {and it is very dubious making unforced pawn moves when under attack, especially in the K position} (14... Nxe4 $1 $19 {SF17-makes use of the power of the two Bs} 15. Nd5 (15. Nxe4 Bxh4 16. g5 hxg5 17. Rhg1 Bxe4 18. Qxe4 f5 19. Qd5+ Rf7 20. Bxg5 Bxf2 21. Rgf1 Qc5 {SF17- the Bl pieces are far more active plus an extra pawn or two}) (15. Nf5 Nxc3 16. Qxc3 Rfc8 17. Rhg1 Bf8 $19 {SF17- Bl has a mobile centre and an extra pawn}) 15... Bxd5 16. Qxd5 Nc3 17. bxc3 Bxh4 18. Rd3 Rac8 19. Kd2 b5 $19 20. Qxd6 Qa5 21. Qb4 Qxa2 {SF17}) 15. Nf5 $18 Kh7 16. f3 (16. h4 {also}) 16... Rfd8 17. h4 Kg6 {suicidal, but Bl's K side is collapsing} (17... Bf8 18. hxg5 Ng8 19. Nd5 Qa5 20. Nf6+ Kh8 21. g6 fxg6 22. Bxh6 Nxf6 23. Bxf8+ (23. Bd2+) 23... Kg8 24. Qe3 {mating- the Bl K is too exposed and the Bl pieces are on the wrong side of the board}) 18. hxg5 hxg5 (18... Ng8 19. Nd5 Bxd5 20. exd5 {fails to defend}) 19. Rh6# 1-0
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Annotated by