[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.07"]
[Round "1"]
[White "Slegg, Gary"]
[Black "Stewart, Neil"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1553"]
[Annotator "Slegg,Gary"]
[PlyCount "55"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.05.08"]

{C30: King's Gambit Declined} 1. e4 e5 2. Nc3 d6 {a slightly passive line, but it has been frequently used by the elite GMs to avoid some of the more forcing theoretical lines-vk]} (2... Nf6) (2... Nc6) (2... Bc5) 3. Bc4 {[I would classify this as a Vienna, especially since Bl does later take on f4-vk]} (3. f4 exf4 4. Qf3 {Cloud Engines- vk} (4. Nf3 {main}) 4... Qh4+ {Fritz16-vk} (4... Nf6 5. Qxf4 Be7 6. Nf3 Nc6 7. a3 a6 {Pech-Piantadosi,FIGS theme email, 2010,0-1- only game in database-vk}) (4... Nc6 {Stockfish16}) 5. g3 fxg3 6. hxg3 Qf6 7. Nd5 Qxf3 (7... Qd8 $1 $11 {Cloud Engines-vk}) 8. Nxf3 Na6 (8... Kd8 9. Ng5 Be6 10. Nf4 Ke7 (10... Kd7 11. Nfxe6 fxe6 12. Nf7) 11. Ngxe6 fxe6 12. Ng6+ hxg6 13. Rxh8 {[more Engine magic, doubt most humans would see this far-vk]}) 9. Bxa6 bxa6 10. Nxc7+ {[I have some problems with this line- even though it seems to be an Engine favourite. Have indicated deviations-vk]}) (3. Nf3) 3... Nf6 4. f4 (4. d3) (4. Nf3 {[main lines-vk]}) 4... Bg4 (4... Nc6) (4... Be7 {main lines-vk}) 5. Nf3 exf4 (5... Nc6 {main-vk}) 6. O-O {[%eval -70,27] [%wdl 35,713,252]} (6. d4 $14 {[%eval 38,24] [%wdl 170,773,57]}) 6... Be7 {[%eval 28,27] [%wdl 148,788,64]} (6... Nc6 $15 {[%eval -70,27] [%wdl 35,713,252]} 7. d4 g5 {[maintains the pawn, turning it into a Kings Gambit accepted-Engines give it Bl advantage though in practice Wh has scores highly over 17 games-vk]} 8. Qd3 h6 $17 {though 3-1 in database games}) 7. d4 O-O {[%cal Of6e4]} (7... Bxf3 8. Qxf3 O-O 9. Bxf4 Nc6 10. Rad1 Nb4 11. e5 Ne8 12. Qxb7 dxe5 13. Bxe5 Nxc2 14. Qe4 Nb4 15. a3 Nd6 16. Bxd6 Qxd6 17. Rxf7 Rxf7 18. Qxa8+ Bd8 19. axb4 Qf6 20. Bxf7+ Kxf7 21. Rf1 Qxf1+ 22. Kxf1 {Ferreira,E (2091)-Zampieri,L Curitiba 2011 1-0 [only game with this variation-vk]}) 8. Bxf4 {White is slightly better.} Nc6 {[%cal Of6e4] 257 games-vk} 9. Qd2 {[%eval 18,28] [%wdl 126,803,71]} (9. Nd5 $14 {[%eval 55,24] [%wdl 213,747,40]} Na5 (9... Nxd5 10. Bxd5 $14 {Cloud Engines}) 10. Bd3 $16 {Ahrens-Mohand Oussaid,Remote email 2012,1-0 only game- vk}) 9... Nh5 $146 {[%eval 139,26] [%wdl 532,459,9] [5-1-1 results in chessbase online database} (9... Nxe4 $1 $11 {[%eval 18,28] [%wdl 126,803,71] [16 games-vk]} 10. Nxe4 Bxf3 11. Nxd6 (11. gxf3 d5 $14) 11... cxd6 12. Rxf3 (12. gxf3 d5 $11) 12... d5) (9... Bxf3 10. Rxf3 Ng4 11. Rg3 Na5 12. Bd3 c6 13. Ne2 Bf6 14. Rxg4 Qb6 15. c3 c5 16. dxc5 dxc5 17. e5 c4+ 18. Be3 Qe6 19. Bxh7+ Kxh7 20. Rg3 Bxe5 21. Nd4 Qd5 22. Rh3+ Kg8 23. Qf2 Nb3 24. axb3 {Dubuisson,T (1926)-Roig,D (1100) Ardennes 2005 1-0} cxb3 25. Qh4 f6 26. Qh5 Qc4 27. Nf5 g6 28. Qh7# {1-0 (28) Dubuisson,T (1926)-Roig,D (1100) Ardennes 2005}) 10. Be3 {White is more active.} (10. Bg5 {[F15 & SF16, 3-0}) 10... a6 {[%eval 218,25] [%wdl 825,173,2]} (10... Nf6 $16 {[%eval 134,25] [%wdl 516,474,10]} 11. h3 Bh5 {[Cloud Engines- vk]}) (10... Na5 $16 {1-1-1 -vk}) 11. h3 $18 (11. Ng5 Bxg5 (11... Nf6 $16) 12. Bxg5 Nf6 13. Bxf6 gxf6 14. Nd5 $18 {Belz-Hedjazian, Montigny le Bretonneux Noel op, 2003,1-0}) 11... Ng3 $2 {[%eval 409,24] [%wdl 994,6,0]} (11... Bxf3 {[%eval 189,26] [%wdl 746,251,3]} 12. Rxf3 Na5 13. Bd3 {[last move added by vk-Wh has a centre and lasting pressure down the f file with both Rs and Q if needed, while Bl's QN & QR are out of the game]}) 12. Rf2 $2 {[%eval 161,29] [%wdl 648,347,5]} (12. hxg4 {[%eval 409,24] [%wdl 994,6,0]} Nxf1 13. Rxf1) 12... Bh5 13. Kh2 {[%eval 91,26] [%wdl 346,636,18]} ({Better is} 13. Bd3 {[%eval 148,28] [%wdl 597,396,7]}) 13... Nxe4 $16 {[%mdl 64] [#] Deflection} 14. Nxe4 {Bd5 would now be deadly.} b5 $2 {[%eval 667,24] [%wdl 1000,0,0][%mdl 8192] This costs Black the game.} (14... d5 $16 {[%eval 87,27] [%wdl 333,649,18]} 15. Ng3 Bxf3 16. Bb3 Be4 17. Nxe4 dxe4 18. Raf1 Bf6 19. Rxf6 gxf6 20. c4 $16 {SF16- especially in endgames 2 Bs are at least the equal of R &N, as they cooperate better. Bl's QR is out of the game & he must watch his K side very carefully-vk]}) 15. Bd5 $18 Qd7 16. Bg5 (16. Qc3 {I think this would be better than Bg5}) 16... Rae8 17. c3 {Threatens to win with Nh4.} (17. Nh4 Kh8 18. Nf5 Bg6 19. Bxc6 Qxc6 20. Nxe7 Qxe4 21. Re1 $18 {[SF16-vk]}) 17... Rb8 $2 {[%eval 851,30] [%wdl 1000,0,0]} (17... Bg6 {[%eval 353,28] [%wdl 991,9,0]} 18. Qf4 Nd8 19. Bxe7 Qxe7) 18. Bxc6 {[%mdl 64] Remove Defender, Deflection} Qxc6 19. Bxe7 Rfe8 (19... Qxe4 20. Bxf8 Rxf8 {is worth a try, but Bl is just a R down-vk}) 20. Re1 {[%cal Ba1e1,Be1e7,Be7e8][%mdl 32]} (20. Nf6+ Kh8 (20... gxf6 21. Bxf6 d5 22. Ne5 $18) 21. Nxh5 Rxe7 22. Nxg7 $18 Kxg7 23. Qg5+ Kf8 24. Nh4 {SF16- the Q & N combination is deadly- while the QR is just useless on the Q side-vk]}) 20... Rxe7 {[#]} 21. Nf6+ $1 {[%csl Oe7][%mdl 576] Discovered Attack} gxf6 22. Rxe7 Kf8 23. Qe3 Qd5 24. Re2 f5 25. Qh6+ {White mates.} Kg8 26. Qxh5 (26. Re8+ Rxe8 27. Rxe8# {[is quicker-vk]}) 26... Qc4 27. Re8+ Kg7 28. Qg5# {Weighted Error Value: White=0.82/Black=0.80. Loses game:  	---  	Black=1  Mistake:  	White=3  	Black=4  Inaccurate:  	---  	Black=1  OK:   	White=3  	Black=3  Best:  	---  	Black=1} 1-0

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.07"]
[Round "1"]
[White "Tulett, Steven"]
[Black "Van Kemenade, R."]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1412"]
[BlackElo "1944"]
[Annotator "User"]
[PlyCount "64"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.08"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 (3. d3) (3. Nc3 {main}) 3... Nxe4 (3... Nc6 {transposes to a Two Knights Defence}) 4. Nc3 (4. Nxe5 d5 5. Bb3 Qg5 {is very good for Bl}) 4... Nf6 {sidesteps Wh's offer of a pawn} (4... Nxc3 5. dxc3 {is the Boden-Kiesritzky gambit, for which Bl needs to know that the key defence move is} f6 {when either} 6. O-O {or} (6. Nh4 {lead to complex heavily theorized positions})) 5. Nxe5 d5 6. Nxd5 $2 {a miscalculation} (6. Bb3 {main}) 6... Nxd5 7. Qf3 (7. Nxf7 {is more complex, an attempt at something like a Fried Liver attack, though Bl has a reply} Qe7+ $1 (7... Kxf7 {bad, however} 8. Qf3+ (8. Qh5+ {is incorrect, as then Bl keeps the piece with} Ke6 (8... g6 {less exact} 9. Qxd5+ (9. Bxd5+ Kg7 10. Qe5+ Qf6 $17 {a little better}) 9... Qxd5 (9... Kg7 $2 10. Qxd8 Bd6 11. Qh4 Re8+ 12. Be2 (12. Kd1 {simplest}) 12... Nc6 13. c3 Bf5 14. d4 Re4 15. Qh6+ Kg8 16. Be3 Bf8 17. Qg5 h6 18. Qg3 Bd6 19. f4 (19. Qf3) 19... Rae8 20. O-O (20. Kf2) 20... Rxe3 21. Bc4+ Kg7 22. Qf2 {Patzer-Van Kemenade, playchess.com 2020,1-0}) 10. Bxd5+ Kg7 $19)) 8... Qf6 (8... Ke6 9. Qe4+ $18) 9. Bxd5+ Ke7 10. Bxb7 Bxb7 11. Qxb7 Qc6 12. Qxc6 Nxc6 $18) 8. Qe2 Qxe2+ 9. Kxe2 Kxf7 10. Bxd5+ Ke8 {0-1} (10... Kf6 {0-1})) 7... Be6 8. Bxd5 (8. O-O Be7 9. d4 O-O {Ustronianek59-Van Kemenade, playchess.com 2013,0-1}) 8... Qxd5 9. Qxd5 Bxd5 10. f3 (10. O-O {is better}) 10... Bc5 11. c3 O-O 12. d4 Re8 (12... f6 13. Ng4 Re8+ 14. Kf2 Bd6 {also}) 13. dxc5 (13. O-O Rxe5) 13... Rxe5+ 14. Kf2 Nd7 15. Bf4 Re6 16. Be3 (16. Bxc7 Nxc5 17. Rhd1 Bc6 {is perhaps a little better, but the open lines help Bl with the extra piece}) 16... Rae8 17. Rhe1 {Wh is now pinned down to inactivity} Ne5 18. Rad1 Bc4 19. b3 Nd3+ 20. Rxd3 (20. Kg1 Nxe1) 20... Bxd3 21. g3 h6 (21... f5) 22. f4 Bb5 23. c4 Bc6 24. Bd2 {if Wh makes pawn moves, Bl just brings the K into the K side, then takes on e3 & wins more pawns} Rxe1 25. Bxe1 Rd8 26. Ke2 f5 27. Bc3 Bf3+ $6 {superficial} 28. Ke3 (28. Kxf3 $1 Rd1 (28... Rd3+ 29. Ke2 Rxc3 30. Kd2 Rf3 31. Ke2 Rxf4 32. gxf4 g5 {luckily Bl is still winningbecause of the pawn imbalance}) 29. c6 bxc6 30. Ke3 Rh1 31. h4 c5 32. Be5 Rh2 33. Bxc7 Rxa2 $19 {the R outruns the B, but it takes longer}) 28... Be4 29. Bd4 Kf7 30. g4 g6 31. h4 Bb1 32. a3 fxg4 0-1

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.07"]
[Round "1"]
[White "Evans, Alf"]
[Black "Bryant, Richard BE"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1381"]
[BlackElo "1834"]
[Annotator "User"]
[PlyCount "74"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.08"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 {The Grivas variation} (4... Nf6) (4... g6) (4... e5) 5. Nxc6 {2nd most frequent} (5. Nb3 {47% for Wh}) 5... dxc6 {35% for Wh} (5... bxc6 {main, 33 % for Wh}) 6. Nc3 Nf6 (6... e5 {main, 29 % for Wh}) 7. Bc4 (7. Be2 {main}) (7. e5 $14 {Cloud Engines,1 Wh win, 3 draws}) 7... Bg4 $146 (7... e5 {27 games,35 % for Wh}) 8. f3 Rd8 9. Bd3 {this selfpin is not the best, and the retreat of the B puts it on a passive square from which it never gets out alive.} (9. Qe2 Bc8 10. e5 (10. Bb3 e5 11. Be3 Qc7 12. O-O $11 {-vk}) 10... Nd5 11. Nxd5 cxd5 12. Bb3 e6 13. Bg5 Be7 14. Bxe7 Kxe7 15. O-O-O $14 {Stockfish16}) 9... Bc8 10. b3 {another pawn on a Wh square, when the B needs to have been there instead.Wh will now suffer from static pawns} e6 (10... e5 {looks better as it lets the QB free the bl B has other lines other than d6}) 11. Qe2 Qa5 12. Bb2 (12. Bd2 Bb4 13. Nd1 e5 14. a3 Bxd2+ 15. Qxd2 $11 {SF16}) 12... Bb4 13. Qd2 O-O 14. a3 Bd6 15. O-O-O $2 {forgetting about the awn} (15. O-O $11) (15. f4 e5 16. f5 $11) 15... Bxa3 $17 16. Bxa3 Qxa3+ 17. Kb1 b5 (17... e5 {SF16}) 18. Qc1 (18. Na2 a5 19. Qc3 Bd7 20. g4 Qe7 $17 {SF16}) 18... Qc5 $19 19. Kb2 a5 20. Qa1 a4 21. Nxa4 {holds up the immediate attack, but apiece down will be a certain loss} (21. Ne2 axb3 22. cxb3 e5 23. Qc1 Qb6 24. Qc2 Be6 $19) 21... bxa4 22. Qxa4 Qe5+ 23. Kc1 Bd7 24. Qb4 Ra8 (24... c5 25. Qe1 Bb5 26. c4 Ra8) 25. Kd2 Qf4+ (25... c5 26. Qc3 Qg5+ 27. Ke1 Qxg2 {SF16}) 26. Ke2 Qg5 27. Qd4 (27. Kf2 {is a little better,but Wh is still a piece down}) 27... Qxg2+ 28. Qf2 Qxf2+ 29. Kxf2 e5 30. h4 Ra2 31. Rd2 Be6 32. Ke3 Nh5 33. Rhh2 Nf4 34. c4 Ra3 35. Rb2 (35. Bc2 {is better than tying a R down this activates it, and perhaps Bl will miss on a backrank mate?}) 35... Rd8 36. Rhd2 h5 37. Kf2 $2 Rxd3 {the B which retreated on move 9, never then moved, and is no more} 0-1

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.11"]
[Round "1"]
[White "Grocott-James, Al"]
[Black "Tiddy, Phil"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1607"]
[Annotator "User"]
[PlyCount "51"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

1. d4 d6 2. c4 Nf6 3. Nc3 c6 4. e4 Qa5 {This is a version of the Pribyl ( or Czech Pirc) line, normally played against a 1.e4 opening. Though perhaps technically it's a variant of an Old Indian, since c4 has been played} (4... e5 {main}) 5. Bd2 (5. Bd3 {main}) 5... Qc7 (5... Qb6 6. Nf3 {when it's dangerous for Bl to take the b pawn} Bg4 (6... Nbd7)) 6. Nf3 e5 7. d5 Bg4 (7... Be7 {1-1-1}) 8. Be2 h6 $146 (8... Nbd7 {2.5-0.5}) (8... Be7 {1-0}) 9. O-O Qc8 (9... Be7) (9... Nbd7) 10. Rc1 Be7 11. Kh1 Nbd7 12. Ng1 Nf8 (12... Bxe2 13. Ngxe2 h5 14. Ng3 g6 15. h3 h4 16. Nge2 Kf8 17. Be3 Kg7 $16 {SF16, but quite playable for Bl}) 13. f3 (13. h3 {looks a little more flexible, leaves f3 for the return of the N}) 13... Bd7 14. b4 (14. f4 {SF16}) 14... Ng6 {SF16} (14... g5 15. Be3 Ng6 {is more in the Black Lion variant of the Philidor , and gives Bl some extra pawn leverage possibilities} 16. Bd3 Nf4 {and advancing the h pawn or g pawn}) 15. Be3 O-O 16. c5 Re8 (16... Qc7 $14) 17. a3 (17. cxd6 Bxd6 18. dxc6 Qxc6 19. Nb5 $18 {SF16}) 17... a5 18. b5 (18. cxd6 $18) 18... dxc5 19. Na4 (19. bxc6 bxc6 20. d6 Bf8 21. Na4 $14) 19... b6 $2 (19... cxd5 20. exd5 (20. Nb6 Qd8 21. Nxa8 d4 $19 {gives Bl more than enough for the echange}) 20... Qc7 21. Nxc5 Bxc5 22. Bxc5 (22. Rxc5 Qd6 $17) 22... Nf4 $11 {SF16}) 20. Nxb6 $18 Qc7 21. Nxa8 Rxa8 22. bxc6 Be8 23. Rb1 a4 24. Qc2 Qd6 25. Rb7 Bd8 26. Bxc5 1-0

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.14"]
[Round "1"]
[White "Wise, Paul"]
[Black "Van Kemenade, J."]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "850"]
[BlackElo "1594"]
[Annotator "User"]
[PlyCount "78"]
[EventDate "2023.09.15"]
[SourceVersionDate "2023.09.15"]

1. d4 d6 2. Nf3 Nf6 (2... Bg4 {Wade variation}) 3. Nc3 Nc6 (3... g6) (3... Nbd7) (3... Bg4) 4. e3 g6 {1-3} (4... e6 {5.5-0.5}) (4... Bg4 {1-0-5}) (4... e5 $11 {Cloud Engines; 3-1-5}) 5. d5 Nb8 6. e4 (6. Bb5+ Nbd7 7. O-O Bg7 8. Re1 O-O 9. e4 a6 10. Bf1 Nh5 (10... e5) 11. Nd4 $14 {Peterka-Tomanek, CZE ch tm , dec 2022,1-0}) 6... e5 7. Bg5 Bg7 8. a4 {SF16} a6 (8... h6 {SF16 & Rudy}) 9. a5 $16 {second line SF16} Nbd7 10. Bc4 (10. Be2 {is a better square for this B, rather than be blocked in by the d5 pawn}) 10... O-O 11. O-O Qe8 (11... h6 12. Be3 Nh7 13. Qd2 f5 $14 {SF16}) 12. Qd2 Nh5 {SF16} (12... Kh8 13. Nh4 Ng8 {second line SF16, & Rudy}) 13. b4 (13. g4 Nf4 {standard sacrifice to open lines for Bl's Bs} 14. Bxf4 exf4 15. Qxf4 Ne5 (15... f5 {also}) 16. Nxe5 Bxe5 17. Qf3 Qe7 18. Qg2 Qg5 $15) (13. Nh4 Nf4 14. Bxf4 exf4 15. Qxf4 Rb8 16. Nf3 b5 17. axb6 Rxb6 18. Nd1 Nc5 19. Re1 Rb4 $11 {SF16}) 13... f5 (13... b5) 14. b5 {positionally Wh has the extra space on the Q side because of d5, therefore that side is where the attack needs to be made.However a careful eye needs to be kept on the K dide where Bl is dominant.} (14. exf5 gxf5 15. Rae1 b5 16. Be2 Qf7 17. Nh4 Ndf6 18. g3 Bd7 19. f3 Kh8 $11 {SF16}) (14. Bh6 Bxh6 15. Qxh6 Ndf6 $17) 14... f4 $17 15. Rab1 (15. g4 {had to be played to save the piece} Nhf6 16. Bxf6 Bxf6 17. Kh1 Nc5 18. Rg1 Be7 19. Qe2 Kg7 20. bxa6 bxa6 21. Nd1 Rb8 22. Nd2 f3 23. Nxf3 Rb4 24. Nd2 Bg5 $15 {SF16}) 15... h6 16. Bh4 g5 17. Bxg5 hxg5 18. Nxg5 Nc5 {a simple human response, rather than SF16 going for ballistics} (18... Qg6 {SF16} 19. Ne6 f3 20. Qg5 (20. g3 Nf4) 20... Qxg5 21. Nxg5 fxg2 22. Kxg2 Nf4+ 23. Kh1 Nc5 $19) 19. Ne6 Nxe6 {again simplicity, SF16 throws everything in with} (19... f3 20. Qg5 (20. Nxf8 Qxf8 21. Qd1 Bg4 22. Re1 Bh6 23. h3 Nf4 24. hxg4 Nxg2 $19 {SF16}) 20... fxg2 21. Rfe1 Qf7 22. Nxf8 Nf4 23. Re3 Qxf8 24. Qh4 Qf6 25. Qxf6 Bxf6 $19 {SF16}) 20. dxe6 Bxe6 21. Bxe6+ Qxe6 22. Nd5 Rac8 (22... Rf7 {Rudy}) (22... f3 {SF16 loves complications, but why risk missing a tactic somewhere when esily ahead?} 23. Rb3 axb5 24. Qd1 (24. Nxc7 Qg4 25. Rxf3 Rxf3 26. Nxa8 Nf4 27. g3 Nh3+ 28. Kg2 Ng5 29. Kg1 Rf7 30. Qe3 Bh6 31. f4 exf4 32. Qd3 f3 $19 {but are are these complexities needed to ensure that Bl wins?}) 24... c6 25. Nc7 Qg6 26. Rxf3 Rxa5 27. Rxf8+ Bxf8 28. Ne6 Ra8 29. Nxf8 Rxf8 $19 {SF16}) 23. f3 axb5 24. Qc3 (24. c4 b4 25. Nxb4 c6 26. Rfd1 Rfd8 27. Nd3 Rc7 $19 {SF16}) 24... c6 25. Nb4 (25. Nb6 Rce8 {and the N is completely offside}) 25... Kh7 (25... Qg6 {considered by Bl, if} 26. Kh1 (26. Qd3 Ng3 {is still on but there is no need for Wh to take it, though} 27. hxg3 fxg3 28. Rfe1 Qh5 {is of course winning for Bl}) 26... Ng3+ 27. hxg3 fxg3 {the K is exposed, the pawn on g3 stops counterplay & the B now has h6 entering the fray}) 26. a6 bxa6 27. Qb3 (27. Nxa6 {puts the N offside, from where it will never return}) (27. Ra1 d5 28. Rxa6 Nf6 $19 {SF16}) 27... Qxb3 {SF16} (27... Qg6 {considered} 28. Nxa6 Rg8 29. Rf2 d5 $19 {SF16}) 28. cxb3 a5 29. Nd3 d5 (29... Bf6 {SF16}) 30. exd5 (30. Nc5 Nf6 $19) 30... cxd5 31. Rbc1 (31. Nf2 Rc3 32. Rfd1 Nf6 $19) 31... e4 32. Nf2 e3 33. Ng4 d4 (33... e2 {SF16, but the text plays it simply} 34. Rfe1 Rxc1 35. Rxc1 Bd4+ 36. Nf2 Re8 37. Re1 Ng3 {SF16}) 34. Rcd1 e2 35. Rde1 exf1=Q+ (35... d3 {SF16}) 36. Kxf1 d3 37. Rd1 Rfd8 38. Kf2 Rc2+ 39. Kf1 d2 0-1

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.21"]
[Round "1"]
[White "Higgie, Charles"]
[Black "Smith, Jonathan"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "1934"]
[BlackElo "1413"]
[Annotator "User"]
[PlyCount "49"]
[EventDate "2023.09.22"]
[SourceVersionDate "2023.09.22"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 (5... Be7) (5... b5) (5... Nxe4) 6. Re1 (6. c3 Be7 (6... Nxe4 7. d4 Bd7 8. Re1 Nf6 {67% for Wh} 9. dxe5)) 6... Bd7 (6... Be7) (6... b5 7. Bb3 Na5 8. d4 {64% for Wh}) 7. c3 g6 {a little slow, but quite playable;53 % for Wh} (7... Be7 {67% for Wh}) 8. d4 exd4 {Bl does best not to give Wh a mobile centre, 80% for Wh} (8... Bg7 {main} 9. Nbd2 (9. Bxc6 Bxc6 10. dxe5 Nxe4 (10... dxe5 11. Qxd8+ Rxd8 12. Nxe5 {81% for Wh, pm analysis} Bxe4 13. Nd2 (13. f3 {4-0-2})) 11. exd6 O-O 12. dxc7 Qxc7 13. Be3 $11 {SF16, though Wh scores 68%})) (8... b5) (8... Qe7) 9. cxd4 Bg7 10. Bg5 $18 {though 1-1-1 in games played} h6 (10... Qc8 {Cloud Engines, Cloud Engines} 11. e5 $18) 11. Bh4 (11. e5 $18 {Cloud Engines}) 11... g5 12. Bg3 Nh5 (12... O-O {Bl needs to get his K out of the centre}) 13. Nc3 $14 {looks OK developing} (13. d5 $14 {SF16}) 13... Nxg3 14. hxg3 Bg4 $6 {moving a piece the second time and exposing the K in the process} (14... b5 15. Bb3 O-O $11 {SF16}) (14... g4 {pm analysis} 15. Nh4 b5 (15... Nxd4 16. e5 $18 {SF16} Ne6 17. exd6 Bxc3 18. bxc3 Bxa4 19. Qxa4+ Qd7 20. Qxg4 O-O-O 21. Nf5 $18 {SF16})) 15. d5 $18 Bxf3 $2 {these two moves are definitely in the wrong order} (15... b5 16. dxc6 (16. Nxb5 axb5 17. Bxb5 O-O 18. Bxc6 Rb8 $16 {Bl has some survival chances by pressure on the Q side, though SF16 gives the enterprising} 19. b3 Bxa1 20. Qxa1 Bxf3 21. gxf3 Qe7 22. Kg2 $18 {the Bl Rs have little play})) (15... Bxc3 16. bxc3 Bxf3 17. Qxf3 b5 18. dxc6 bxa4 19. Rad1 O-O 20. e5 $16 {is not that wonderful for Bl, but it's not over that quickly}) 16. Qxf3 Bxc3 $2 (16... b5 {last chance} 17. dxc6 bxa4 18. Rad1 O-O 19. Nd5 Kh8 $18 {SF16} (19... Bxb2 20. e5 $18)) 17. Qxc3 $18 O-O 18. dxc6 b5 19. Bb3 Qe7 20. Rad1 Rad8 21. Rd5 (21. f4 {is another good plan}) 21... Rfe8 22. Rf5 Rf8 23. Re3 Rde8 24. Ref3 Kh7 25. Rxf7+ 1-0

[Event "Oswestry Club Championship 2023"]
[Site "Oswestry"]
[Date "2023.09.21"]
[Round "1"]
[White "Smith, Martyn"]
[Black "Fisher, Peter S"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1735"]
[Annotator "User"]
[PlyCount "124"]
[EventDate "2023.09.22"]
[SourceVersionDate "2023.09.22"]

1. e4 c5 2. Nc3 d6 3. f4 e6 4. Nf3 Nf6 5. Bc4 Be7 6. O-O O-O 7. d3 a6 8. a4 b6 (8... Nc6 {main}) 9. Qe1 {6-1-2} Bb7 10. h3 $146 (10. e5 {Fritz16, 3-1-1} Ng4 $11 11. h3 {SF16, not yet played}) (10. f5 $14 {SF16] a standard move in this Grand Prix Attacl, unleashes the QB; not yet played}) 10... Qc7 (10... d5 $11 {SF16}) 11. e5 (11. f5 $14 {SF16}) 11... Nfd7 (11... dxe5 12. fxe5 Nfd7 13. Bg5 $11 {SF16}) 12. Ng5 $6 {this feels wrong, displacing a key pawn to g5 as well as ceding a pawn on e5} (12. f5 $11 {SF16- more dynamic}) 12... Qc6 (12... Bxg5 13. fxg5 Nxe5 $17 {SF16}) 13. Rf3 Bxg5 14. fxg5 Nxe5 $19 15. Rf2 Nbd7 $19 (15... Qxg2+ 16. Rxg2 Nf3+ 17. Kf1 Nxe1 $19 {Sf16}) 16. Qe2 Qc7 (16... Nxc4 17. dxc4 d5 $19 {SF16}) 17. Bf4 Ng6 18. Raf1 Nxf4 19. Rxf4 Ne5 20. Ne4 Ng6 (20... d5 $19 21. Nf6+ gxf6 22. gxf6 Ng6 23. Rg4 dxc4 (23... Kh8 24. Bb3 Rg8 $19) 24. Qd2 Kh8 25. Qh6 Rg8 26. Rg5 Qe5 27. Rxe5 Nxe5 $19 {SF16}) 21. Nf6+ (21. Rxf7 Rxf7 22. Bxe6 Raf8 23. Qf2 Bxe4 24. dxe4 Ne5 $19 {SF16}) 21... Kh8 (21... gxf6 {Bl should accept the sacrifice} 22. gxf6 d5 23. Rg4 Kh8 24. Qd2 Qe5 25. Qh6 Rg8 26. Rg5 Qe3+ 27. Rf2 dxc4 $19 {SF16}) 22. Nxh7 $1 (22. Qh5 {considered by Rudy as a possibility fails to} gxf6 23. gxf6 (23. Rxf6 d5 24. Bb3 Kg8) 23... d5 24. Qh6 Rg8 25. Rg4 Qe5 26. Bb3 d4 $19) 22... Kxh7 23. Qh5+ Kg8 24. Rf6 {This surprised Bl, however SF16 finds the breakthrough} (24. Qxg6 $1 $18 d5 (24... fxg6 25. Bxe6+ Rf7 (25... Kh8 26. Rh4#) 26. Rxf7 Qxf7 27. Bxf7+ Kf8 (27... Kh8 28. Rf4) 28. Bd5+ Ke8 29. Bxb7 $18) 25. Qh5 g6 26. Qh6 Qe5 27. Ba2 (27. Bb3 c4) 27... Qg7 28. Qh4 Qxb2 29. Qf2 Qg7 30. h4 $18 {SF16}) 24... d5 $19 25. Ba2 Qe5 (25... gxf6 26. gxf6 Qg3 27. Rf2 Qh4 $19 (27... d4 $19 28. Qh6 Nh4 $19 {SF16})) (25... Qg3 $19 {SF16}) 26. c3 Qg3 (26... gxf6 $19 {SF16, is simpler}) 27. R6f3 Qh4 28. g4 Qxh5 (28... d4 29. Qxh4 Nxh4 30. R3f2) 29. gxh5 Ne5 (29... Ne7) 30. Rg3 Rad8 (30... d4 {SF16- lets the bl B into the game}) 31. d4 Nd7 (31... cxd4 32. cxd4 Nc6 33. Rf4 e5 $19 {opens files for Bl's Rs and other pieces}) 32. h6 g6 {the protected passed pawn gives Wh some compensation for the sacrificed piece.} (32... gxh6 33. gxh6+ Kh8 34. Rg7 Bc6 35. Rfxf7 Rxf7 36. Rxf7 Rg8+ 37. Kf2 Rg6 38. h7 Rg7 {SF16- eliminates any hopes that Wh might have had in this respect}) 33. Rf2 Rde8 34. Rgf3 Re7 35. Re3 Bc6 (35... e5) 36. b3 Bb7 37. Bb1 Rfe8 38. Rfe2 e5 39. Kf2 e4 40. Ke1 f5 $1 {Now Wh is virtually forced to unsupport the h6 pawn, as the rolling centre pawns threaten to ensnare a R ( thus Bl can later get rid of the h6 problem by giving up his , or even a R if need be)} 41. gxf6 Nxf6 42. Rf2 Rf7 43. Rg3 Kh7 44. Rfg2 Rg8 {Bl is slowly just avoiding Wh getting any activity, while geting his own pieces into play} 45. b4 c4 {Bl's B is very bad, but does have one exit line available.} 46. Bc2 Kxh6 47. Bd1 Bc8 48. Bg4 Nxg4 49. hxg4 Kg5 {the K in the endgame is a strong weapon in its own right} 50. Ke2 Rf4 (50... Rgf8 51. Rh2 Rf3 {is an alternative way in for Bl}) 51. Ke3 Rh8 52. Rf2 Rxf2 53. Kxf2 Rh4 (53... Kf4 {is also very powerful}) 54. a5 b5 55. Kg2 Rxg4 56. Kh3 Rxg3+ 57. Kxg3 Bg4 58. Kg2 Kf4 59. Kf2 e3+ 60. Kf1 Ke4 61. Ke1 Kd3 62. Kf1 Kd2 0-1

[Event "Oswestry Ch"]
[Site "?"]
[Date "2023.09.28"]
[Round "1"]
[White "Bailey, Adrian"]
[Black "Atherton, Marcus"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1782"]
[Annotator "User"]
[PlyCount "47"]
[EventDate "2023.09.29"]
[SourceVersionDate "2023.09.29"]

{[%evp 0,42,26,20,77,82,73,74,97,91,87,77,61,65,91,62,162,126,158,193,245,126,167,156,168,133,148,75,75,42,309,211,209,231,215,208,299,265,274,264,322,152,260,-116,336]} 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 (4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng4 $2 8. h3 Nxe5 9. Nd5 $18 {Slegg-Bailey, lichess Sept 2023,1-0}) 4... Bg7 5. Be2 O-O 6. O-O {Classical Pirc} Nbd7 (6... c6) (6... Bg4) (6... Nc6 {played more frequently}) 7. Bg5 (7. h3) (7. e5) (7. Be3 {played more frequently}) 7... Bh8 {N; usually the sequence is that this is only played after Wh has gone Qd2, when Re8, Bh6, Bh8 is standard} (7... h6 8. Bh4 e5) (7... c5) (7... c6) (7... e5 {main lines}) 8. Qd2 (8. e5 dxe5 9. dxe5 Ng4 10. e6 $16 {SF16}) 8... b6 {too slow, it was a similar setup to what Judge Meek used to play vs Morphy ( who broke through very rapidly). Bl must challenge in the centre} (8... c6 9. e5 dxe5 10. Nxe5 (10. dxe5 Nd5 11. Bh6 Re8 12. Nxd5 cxd5 13. Bf4 {SF16, is playable ,but})) (8... e5 9. dxe5 dxe5 10. Rad1 Re8 11. Nd5 c6 $16 {preferred by Rudy, though e5 really needs to be played earlier cf note to move7.}) 9. e5 $18 Ne8 (9... Nh5 10. Qe3 Re8 11. e6 Nf8 12. exf7+ Kxf7 $18 {SF16-is a little better, but Bl has a very uncomtable position}) 10. Bh6 (10. Nd5 $1 {SF16- difficult to find and work out the consequences for a human} f6 11. Nxe7+ Qxe7 12. Bc4+ Rf7 13. e6 Ne5 14. exf7+ Nxf7 15. Bd5 Rb8 16. Rfe1 Qd8 17. Qe3 Kf8 18. Bh6+ Ng7 19. Re2 $18 {as well as an exchange down, the Bl pieces are all on the wrong squares for any activity}) (10. Bc4 Bb7 11. e6 $18 {SF16- a practical alternative}) 10... Ng7 (10... Bg7 11. Bc4 c6 12. Rfe1 $16 {SF16}) 11. Rfe1 {Wh has a big space advantage, so can just bring the Rs into the game before charging ahead} Bb7 12. Rad1 Re8 13. Bxg7 (13. Qf4 Nf8 14. d5 Nf5 15. Bb5 Nd7 16. e6 $18 {SF16}) 13... Bxg7 14. e6 $18 Bxf3 $2 {makes things worse} (14... fxe6 15. Ng5 Bh6 16. Bg4 e5 17. Be6+ Kg7 18. dxe5 Nc5 19. Bg4 Bxg5 20. Qxg5 e6 21. Qf4 d5 22. b4 Nd7 23. Re3 $18 {SF16, not very inspiring for Bl whose K is decidly underprotected for Wh's powerful K attack}) 15. Bxf3 (15. exd7 Qxd7 16. Bxf3 {good alternative, as is}) (15. exf7+ Kxf7 16. Bxf3) 15... fxe6 16. Bxa8 Qxa8 17. Rxe6 {( the Bl pawns are static, really the Wh centre needed to be challenged earlier in the opening)} Nf6 (17... Nf8 {drives the R away for the moment though Wh will have huge pressure dowwn the e file}) 18. Rde1 Bf8 (18... Qd8 $5) (18... Kf8 $5) 19. Qe2 Nh5 20. Ne4 (20. Qc4 Kh8 21. Nd5 $18 {SF16}) 20... Qd5 21. Ng5 $2 {its the intention behind Ne4} (21. Nc3 Qxd4 22. Re4 Qg7 23. Qc4+ Qf7 24. Qxc7 $18 {SF16- is more logical}) 21... Qxa2 $2 {mutual chess blindness} (21... Qxg5 $19) 22. g4 (22. Re3) 22... Nf6 $2 (22... Qd5) (22... Ng7) 23. Rxf6 h6 24. Rxg6+ (24. Qd3 {SF16 is a quicker mate than the one via the text}) 1-0






