[Event "Oswestry Club Championship"]
[Date "2023.11.09"]
[Round "3"]
[White "Fisher, Peter S"]
[Black "Van Kemenade, R."]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1762"]
[BlackElo "1971"]
[Annotator "User"]
[PlyCount "69"]
[EventDate "2023.11.10"]
[SourceVersionDate "2023.05.08"]
1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Qc7 5. h3 e5 6. Be2 Nbd7 7. Be3 Be7 8. Qd2 h6 (8... b5 9. a3 a6 {2-2-4}) 9. O-O g5 (9... Nf8 {main}) 10. Nh2 Nf8 11. Rad1 Ng6 12. Bc4 (12. a4 {first is preferable as Bl now misses a chance.}) 12... Nh5 {Bl was happy to get this N here once the B had moved, but then immediately realised there had been a missed opportunity} (12... b5 $1 13. Bd3 Nh5 {the B now obstructs the d file & also Wh does not get the counterplay he obtains with Q & B. So Bl can just get on with the attack on the Q side}) (12... Nf4 13. dxe5 dxe5 {2 games} 14. Bxf4 (14. Kh1 b5 15. Bb3 b4 16. Na4 Nxe4 17. Qd3 Bf5 (17... Nxd3 $19) 18. Qc4 $15 {Tiarks(2159)-Fajdetic (2151),Titled Tuesday blitz 2020,1-0}) 14... gxf4 15. Kh1 b5 16. Bd3 Be6 $15 {Silano-Bak, I o M op-c Douglas 2018,0-1}) 13. a4 (13. Ne2 Nhf4 14. Qc3 $14 {Sf16}) 13... Nhf4 14. Ne2 h5 (14... Nh4 {SF16}) 15. dxe5 dxe5 16. Qc3 Rg8 (16... Rh7 {SF16} 17. a5 Kf8 $14) 17. Qb3 Bf8 (17... Be6 {SF16.& pm analysis. considered by Bl} 18. Ng3 (18. Bxe6 $2 Nxe2+) (18. Bxf4 Bxc4 19. Qxc4 exf4 20. e5 (20. Qb3 Ne5 $11) 20... Qxe5 21. Rfe1 Kf8 22. Nd4 Qc5 23. Qb3 Rd8 24. c3 $11 {SF16}) (18. Rfe1 {pm analysis} Bxc4 19. Qxc4 Nh4 $17 {SF16}) 18... Bxc4 19. Qxc4 Nh4 20. Bxf4 gxf4 21. Kh1 $1 $14 {SF16}) (17... Rg7 $14 {SF16}) 18. Nf3 Nxe2+ {best} (18... Be6 19. Bxe6) (18... g4 {pm analysis} 19. Nxf4 (19. hxg4 Bxg4 20. Nxf4 exf4 21. Ng5 $1 {SF16} Nh8 22. Bxf4 Qxf4 23. Qxb7 Rd8 24. Qxc6+ Bd7 25. Rxd7 Rxd7 26. Bb5 Qd6 27. Nh7 $18) 19... Nxf4 (19... exf4 20. Bxf7+) 20. Bxf7+ Qxf7 21. Qxf7+ Kxf7 22. Nxe5+ Ke6 23. Bxf4 gxh3 $18 {SF16}) 19. Bxe2 Nf4 (19... Be6 20. Bc4 Bxc4 21. Qxc4 g4 22. hxg4 hxg4 23. Nh2 Qe7 24. g3 Nf4 25. gxf4 Qh4 26. Rd7 Kxd7 27. Qxf7+ Be7 28. Bc5 $18 {SF16}) (19... g4 20. Ng5 (20. hxg4 Bxg4 21. Rd2 {SF16} Nf4 22. Bxf4 (22. Rfd1 $2 Nxe2+ $19) 22... exf4 23. Rfd1 Be7 24. e5 Rg7 25. Qc3 Kf8 26. Rd4 $18 {SF16})) 20. Bc4 g4 $2 (20... Rg7 {SF16- best} 21. Qc3 (21. Nxe5 {pm analysis} Qxe5 $19 22. Bd4 Qe7 23. Bxg7 Bxg7 $19 {the players didn't look far enough}) 21... Be6 (21... f6 22. Rd2 Rd7 23. Rfd1 Rxd2 24. Rxd2 Ne6 25. Qb3 Qe7 26. h4 g4 27. Nh2 Kf7 28. Nf1 Kg6 29. Ng3 Ng7 30. a5 Be6 $18) 22. Qxe5 Qxe5 23. Nxe5 f6 24. Bxe6 Nxe6 25. Nc4 $18 {SF16- Wh is a comfortable pawn up}) 21. Nxe5 {not the best it seems} (21. Bxf4 $1 exf4 22. Ne5 Rg7 23. Bxf7+ Rxf7 24. Nxf7 Qxf7 25. Rd8+ Ke7 26. Qd3 Kf6 27. Qc3+ Kg6 28. Qh8 Bg7 29. Rd6+ Bf6 (29... Be6) 30. e5 Be6 31. Qxa8 Bxe5 32. Rd8 $18 {SF16}) (21. hxg4 Rg7 (21... hxg4 22. Bxf7+ Qxf7 23. Qxf7+ Kxf7 24. Nxe5+ Ke6 25. Bxf4 Bd6 26. Nd3 $18) 22. Bxf4 exf4 23. gxh5 Bh3 24. Ne5 Qxe5 25. Qxh3 $18 {SF16}) 21... Qxe5 (21... Ne6 {probably best, just reteating a pawn down, though the complications are not yet over} 22. Bf4 gxh3 23. g3 Rg7 24. Kh2 Nxf4 25. gxf4 Bd6 26. Bxf7+ Ke7 27. Ng6+ Rxg6 28. Bxg6 Be6 29. Qc3 Bxf4+ 30. Kh1 Qe5 31. Qxe5 Bxe5 32. f4 $18 {SF16}) 22. Bxf7+ Ke7 23. Bxg8 Ne6 (23... Be6 24. Qxb7+ {best-SF16}) 24. Bxe6 (24. f4 $1 {mating-SF16}) 24... Bxe6 (24... Qxe6 25. Qd3 $18 (25. Bg5+ Kf7 26. Qg3 $18)) 25. Qd3 {protecting e4} (25. Qxb7+ {missed by both at the time, but wondered at in the pm analysis}) 25... gxh3 (25... Kf7 26. f4 gxf3 27. Rxf3+ $18 (27. Bd4 $18)) 26. f4 Qg7 27. Rf2 Bg4 28. Rdd2 (28. f5 $1 {SF16}) 28... Ke8 29. f5 hxg2 (29... Qh7) (29... h2+ {also fail}) 30. Rxg2 (30. Bh6) (30. f6) 30... Be7 (30... Qc7 31. e5 $18) 31. Qd7+ Kf8 32. Qxb7 Re8 (32... Rd8 $5) 33. Qxc6 Bg5 (33... Qf7 34. Bd4 (34. Bh6+ Kg8 35. Rd7 (35. Bf4))) 34. Bc5+ Be7 35. f6 $1 {a neat finish} 1-0
[Event "Oswestry Club Championship"]
[Date "2023.11.09"]
[Round "3"]
[White "Higgie, Charles"]
[Black "Bryant, Richard BE"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1939"]
[BlackElo "1841"]
[Annotator "User"]
[PlyCount "83"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.05.08"]
{[%evp 0,11,20,17,40,43,38,27,19,21,32,23,20,-119]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 (4... c5 {main} 5. a3 {Charles 1.5-0.5, Richard 1-4-2}) 5. Qg4 (5. a3) (5. Bd2 {main lines}) 5... c5 (5... g6 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Qa5 9. Bd2 c4 {Scrimgour-Bryant, 4NCL feb 2023,1/2-1/2- Charles says he looked at this game, and played Qg4 sinch didn't consider g6 that strong.}) 6. Qxg7 {double-edged;eg Carlsen-Ivanchuk, Amber rapid 2011,0-1 36% for Wh. & C says it doesn't score too well on the databases he looked at afterwards.} (6. dxc5 {60% for Wh}) (6. Nf3 {54%}) (6. a3 {42%}) 6... Rg8 7. Qxh7 cxd4 8. a3 Ba5 {48% for Wh} (8... Qa5 {30% Wh} 9. axb4 (9. Rb1 {20 games, 15 % Wh} dxc3) 9... Qxa1 {40% Wh}) 9. b4 dxc3 10. bxa5 Nbc6 {as C notes, this transposes to Fisher-Tal,Leipzig Olympiad, 1960, 1/2-1/2} 11. Nf3 Qc7 12. Bf4 Bd7 13. Be2 {C notes this was played to allow the Q to escape back to d3.} (13. a6 $16 {Cloud Engines, 215 games, 65% for Wh}) (13. Bd3 {56 games ,59% Wh}) (13. Bg3 {23 games, 39% Wh}) 13... O-O-O 14. Bg3 $146 (14. Qd3 $11 {3-1 games played}) (14. Bg5 $11 {sf14 & !6}) (14. O-O {suggested by C afterwards ,rather than preparing to take more pawns}) 14... Rh8 (14... Nf5 $19 {SF16} 15. Bd3 (15. Qxf7 Rdf8 16. Qh5 Be8 17. Qh3 Rh8 18. Qg4 Qxa5 19. O-O Bh5 20. Qg5 (20. Qf4 Nfd4 $19) 20... Rfg8 21. Qf4 Qc5 22. Rab1 a6 23. Rb4 Rg4 $19) 15... Nxg3 16. hxg3 Nxe5 17. Rh4 f5 18. Nxe5 Qxe5+ 19. Kf1 Qf6 20. Rh6 Qf8 21. Rh5 Rh8 22. Qg6 Rxh5 23. Qxh5 Qg7 24. Qf3 Rh8 25. Ke2 d4 $19) (14... Qxa5 15. Qd3 Nf5 $17 {various Cloud Engines; 2 draws,1 Bl win}) 15. Qxf7 $6 {continuing taking pawns} (15. Qd3 {is more prudent} Qxa5 16. O-O $14 {SF16}) 15... Rdf8 (15... Nf5 16. Bd3 Rdf8 17. Qg6 Rhg8 18. Qh7 Ncd4 19. Nxd4 Nxg3 20. hxg3 (20. fxg3 Qxe5+ $19 21. Ne2 Qe3) 20... Qxe5+ 21. Ne2 Rh8 $17 {SF16}) 16. Qg7 Nf5 17. Qg5 Rhg8 18. Qh5 $2 {Wh needs to bring the Q back to safety} (18. Qc1 Nxa5 19. Bd3 Nc4 20. Bxf5 Rxf5 21. Qd1 Be8 $17 {SF16}) 18... Be8 19. Qh3 Qxa5 $19 {SF16; C thought this gave him respite, allowing 0-0, so Rh8 would be better} 20. O-O Rh8 (20... Qa4 {alternative, covers g4 , so threatens the Q. May even pick off c2} 21. Bd3 (21. Ne1 Ncd4 22. Bd3 Bb5 $19) (21. Nh4 Ncd4 22. Bg4 Rh8 23. Bxf5 Nxf5 24. Rab1 Kb8 25. Rb4 Qxc2 $19 {SF16}) 21... Rh8 22. Bxf5 Rxh3 23. Bxh3 Bd7 $19) 21. Qg4 Bh5 22. Qg5 Rfg8 23. Qf4 Rg4 {The R gains a tempo on the Q, as noted by C, but it does stop Bl having the option of ...Bxf3} (23... Qc5 $1 {SF14 & 16} 24. Rab1 a6 25. Rb4 (25. Qc1 Rxg3 $19 26. hxg3 Nxg3 27. Re1 Bxf3 28. gxf3 Rg8 29. Qh6 Nf5+ $19 {SF16 typical engine bust}) 25... Nxb4 $19 (25... Rg4 26. Qxg4 (26. Qc1 Rxg3 $1 $19) 26... Bxg4 27. Rxg4 Nxg3 28. hxg3 Qxa3 $19 {SF16})) 24. Qc1 Re4 {winning the e pawn, as C notes, but giving up most of his active pieces in the process., thus decreasing much of his advantage.} (24... Qc5 $1 {SF14 & 16} 25. Bf4 Rgg8 26. Rd1 Bxf3 27. Bxf3 Ncd4 28. Rd3 Nh4 {Wh has a Q & R offside & the Wh Ks defences are overstretched} 29. Kh1 (29. Bg3 Rxg3 30. hxg3 Nhxf3+ 31. gxf3 Ne2+ 32. Kf1 Nxc1) 29... Ndxf3 30. gxf3 Kb8 31. Bg3 Nf5 32. Qe1 d4 33. Rad1 {This looks to a human eye at first that Wh should be able to hold, with an extra pawn.However Wh's pawns are split and doubled, a bad B vs a N, and the hpawn can scarcely advance. Bl controls the centre & K side, so can pick off the a pawn and win by advancing his a pawn. Should the Wh pieces return to block its advance then Bl will benefit by these pieces removing themselves from the centre , allowing a return to the K side breakthrough.} Qc4 (33... Qxa3 34. Rxd4 {initial Engine response, before concluding this will still be lost}) 34. Kg2 Qa2 35. Qe2 Rd8 36. Kg1 Qxa3 $19 {SF16 ( KomodoDragon3.2 &Fritz18 Neuronal concur with this judgement)}) 25. Bd3 $11 Nxg3 (25... Bxf3 26. gxf3 Ncd4 27. Qd1 Nxg3 28. fxe4 (28. fxg3 Rxe5 (28... Re3 29. f4 Qc5 30. Kg2 Qf8 $17) 29. f4 Re3 $11 {SF16}) 28... Nxf1 29. Bxf1 Qc5 30. Bg2 dxe4 31. Qg4 Qxe5 32. Qxe4 $11 {SF16}) 26. fxg3 (26. hxg3 $2 Bxf3 27. gxf3 Rxe5 28. Kg2 Reh5 29. Rg1 Rh2+ 30. Kf1 Qc5 31. Qe3 Qxe3 32. fxe3 Rd2 $19 {SF16- the Bl pieces remain in dominant posiotions}) 26... Bxf3 (26... Qc5+ 27. Kh1 Re3 28. Ng5 Nxe5 29. Nxe6 Nxd3 30. Nxc5 Nxc1 31. Raxc1 Rhe8 32. Nb3 $11 {SF16- a very uncomfortable position though for Wh. Engines trust in their ability of finding the perfect defence- humans cannot be relied upon to do so.}) 27. gxf3 (27. Rxf3 $14 {SF16- preferring piece activity to improving the pawn structure ( maybe the QR will get out into the open at last?)}) 27... Rxe5 28. f4 $11 {(Draw?)} (28. Qf4 $11) 28... Qc5+ (28... Reh5 29. h4 Qd8 30. Rf2 Rxh4 31. gxh4 Qxh4 32. Rg2 Qh1+ 33. Kf2 Qh4+ $11 {SF16}) 29. Kg2 Reh5 (29... Re3 30. Re1 d4 31. Rxe3 dxe3 32. h4 e5 $11 {SF16}) 30. h4 $14 Rg8 31. Kh3 Qd4 (31... Qe7 {SF14 & 16} 32. Qe3 Rh6 33. Rf3 Qg7 34. Qf2 Nd4 35. Re3 e5 36. fxe5 Rf8 37. Qg1 Ne6 38. Rf1 Nf4+ 39. Kh2 Qg4 40. Rxf4 Rxf4 41. Bf1 Rf3 42. Rxf3 Qxf3 43. Bg2 Rxh4+ 44. gxh4 Qf4+ 45. Kh3 Qf5+ 46. Kg3 Qxe5+ {and the SF16 Engine is able to say this is a forced perpetual ch- few humans would be absolutely sure of this}) 32. Be2 (32. Qe1 Qf6 33. Rd1 $16 {SF16, though the position remains tense, and Wh needs to keep pushing to improve the placement of his pieces} Ne7 34. Qf2 Kb8 35. g4 Rxh4+ 36. Qxh4 Rh8 37. Bh7 Qg7 38. Kg2 Rxh7 39. Qg5 Qxg5 40. fxg5 Rg7 41. Rde1 $18 {the only point in the game where the Engines give a clear winning position for Wh}) 32... Qg7 33. Qe3 Rxh4+ $1 $11 {SF16 C initially thought this was a mistake} 34. Kxh4 Rh8+ (34... Nd4 {also draws it seems , but is even more hair-raising than the text continuation} 35. Qxc3+ Kd8 (35... Kb8 $18) 36. Kh3 Qh6+ 37. Kg2 Nxe2 38. Qe5 Rxg3+ 39. Kf2 Qh2+ 40. Ke1 Nc3 41. f5 $11) 35. Bh5 Qf6+ 36. Kg4 $6 {not the best, Engines can easily find these moves, while humans at the end of a game with time running short easily falter} (36. Kh3 Rxh5+ 37. Kg2 Qf5 38. Qxc3 e5 39. g4 Qxg4+ 40. Qg3 Qe2+ 41. Qf2 Qe4+ 42. Qf3 Qxc2+ 43. Rf2 Qg6+ 44. Qg3 Qxg3+ 45. Kxg3 exf4+ 46. Rxf4 Rh7 {Sf16- Wh has two pawns for the exchange, and with all pawns on the same side, the N holds easily}) 36... Qf5+ 37. Kf3 Qxh5+ 38. Kf2 Qh2+ (38... Qf5 {with advantage to Bl- SF14. SF16 however indicates that Bl is winning ( A view backed by KomodoDragon3.2 & Fritz18 Neuronal)} 39. Kg2 (39. Ke1 d4 40. Qe2 Rh3 41. Qf2 Qh7 42. f5 Rh2 43. Qf4 exf5 44. Qxf5+ Qxf5 45. Rxf5 Rxc2 {the two centre pawns backed by R & N threaten to have a quick mate against the exposed K ( Wh is still playing without the QR)} 46. g4 d3 47. Rd5 Rh2 48. Rxd3 Rh1+ 49. Kf2 Rxa1 50. Rxc3 Ra2+ 51. Kg3 Kd7 $19 {SF16}) 39... e5 40. Qxc3 Qh3+ 41. Kf2 exf4 42. Rg1 fxg3+ 43. Qxg3 Qf5+ 44. Qf3 Qxc2+ 45. Kf1 Qc5 46. Kg2 d4 47. Raf1 Kb8 48. Qf4+ Ka8 49. Rf3 a6 50. Qf5 Ne5 $19 {SF16- the position is quite complex, and humans are very apt to go wrong in this kind of situation. However the Wh K is is very exposed. Rs are bad defenders, often taking away squares from their K,, while the N is a more agile attacker,& is constantly threatening to fork. Also the d pawn is a danger.}) 39. Ke1 d4 40. Qd3 (40. Qf2 $17 {SF14 & 16}) 40... Rh3 (40... e5 {C Preferred by SF14, again SF16 gives it as winning for Bl} 41. Rd1 exf4 42. Qf5+ Kb8 43. Qxf4+ Ka8 44. Qe4 {the c2 pawn is more vital than the g3 one} Qxg3+ 45. Rf2 a6 $19 {SF16( again KD3 & F18N concur) Though it will still be a long haul.}) 41. Rf3 {(Draw?)} Qg1+ (41... e5 {SF14, SF16 sees a win} 42. fxe5 Rh5 43. Kd1 Rxe5 44. Rf1 Kc7 45. Rb1 b5 46. Rf7+ Kb6 47. a4 Qh5+ 48. Qf3 b4 $19 {SF16, KD3.2 & F18N}) 42. Qf1 $15 {SF14 & 16} 1/2-1/2
[Event "Oswestry Club Championship"]
[Date "2023.11.09"]
[Round "3"]
[White "Grocott-James, Al"]
[Black "Smith, Jonathan"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "1662"]
[BlackElo "1600"]
[Annotator "User"]
[PlyCount "116"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.05.08"]
1. d4 d5 2. c4 e6 3. a3 {avoiding the Ragozhin, a cousin of the Nimzoindian. a3 is generally quite useful in many Queen's Gambit declined positions anyway ( and Wh can afford one non-developing move)} (3. Nc3 Bb4) 3... Nf6 4. Nc3 Nc6 {generally in QP openings, Bl should not obstruct the c pawn with a N. Pawns like travelling in pairs, and since after d5, e5 is difficult to achieve, then c5 is next best. The N should go to d7 or wait untill c5 has been played to go to c6} 5. Nf3 {71% for Wh} dxc4 {abandoning the centre is also risky} (5... Be7 6. e3 O-O 7. Qc2 a6 {main}) 6. e4 $16 g6 (6... Na5 {main} 7. Bxc4 Nxc4 8. Qa4+ Nd7 9. Qxc4 {67% for Wh, though players like Vlassov continue to play their favourite line.}) 7. Bxc4 Bg7 8. Bg5 $146 (8. O-O $18 {2 -0}) (8. Be3 $18 {2-0}) 8... h6 9. Bh4 g5 10. Bg3 Nh5 $11 11. Be5 (11. d5 Nxg3 12. hxg3 exd5 13. exd5 Ne7 14. O-O O-O $11 {Sf16}) 11... Nxe5 12. Nxe5 Bxe5 (12... Nf4 13. g3 Bxe5 14. dxe5 Qxd1+ 15. Rxd1 Ng6 16. Nb5 Ke7 17. Nxc7 Rb8 18. Nb5 Nxe5 19. Be2 Bd7 $11 {Sf16}) 13. dxe5 Qxd1+ 14. Rxd1 Bd7 (14... Nf4 15. g3 Ng6 16. Nb5 {as above}) 15. g3 $16 {Wh has possibilities of moving his K side pawn mass forward to stop Bl piece activity- though in the long run the Bl 3 to 2 majority would be a major factor in an endgame} O-O-O 16. O-O (16. Be2 Ng7 17. b4 Bc6 18. f3 Ne8 19. h4 $16 {Sf16}) 16... Bc6 17. Rfe1 (17. f4 gxf4 18. Be2 Ng7 19. Rxf4 Be8 20. Rh4 $16 {Sf16}) 17... Rxd1 18. Rxd1 Rd8 19. Rxd8+ Kxd8 20. b4 a6 21. a4 (21. f4 gxf4 22. g4 Ng7 23. Kf2 Ke7 24. Kf3 f6 25. Kxf4 Ne8 26. h4 fxe5+ 27. Kxe5 $16 {SF16-Wh has got rid of his doubled paw, with a more active K, and dangeous potential passed pawns on the K side}) 21... b5 $2 {miscalculating and thus losing a vital pawn on the Q side} (21... Ke7 22. Be2 Ng7 23. f4 gxf4 24. gxf4 f5 25. exf6+ Kxf6 26. Bg4 $16 {SF16}) 22. axb5 axb5 23. Bxb5 $18 Kd7 (23... Bb7 {in losing endgames, swap pawns, not pieces. It retains the chance of giving up a piece for the opponents last pawn to force a draw.}) 24. f3 Bxb5 25. Nxb5 Kc6 26. Nd4+ (26. Nc3) 26... Kb6 (26... Kd7 {staying near the majority of pawns to protect them is a better strategy}) 27. Kf2 c5 28. bxc5+ Kxc5 29. Ke3 Ng7 30. Kd3 (30. f4 {as Bl can be forced to exchange with a Nf3} gxf4+ 31. gxf4 Kb6 32. f5 Kc7 (32... exf5 33. exf5 Kc7 34. Kf4 Ne8 35. f6 Kd8 (35... Kd7 36. e6+ fxe6 37. f7 $1 {a typical break, the N can't stop the paw, so has to accept its fate}) 36. Kg4 Nc7 37. Kh5 {and the h pawn will win}) 33. f6 Ne8 34. Nxe6+ {wins quickly, SF16}) 30... Ne8 31. g4 $2 {makes the required f4 more difficultas now a piece will be needed to support it} (31. f4 g4 (31... gxf4 32. gxf4 Nc7 33. f5 exf5 34. Nxf5 h5 35. Nh6 $18 {note that Bl's K is on a very bad square on c5, e7 or d7 would be a far better resource to protect the K side pawns}) 32. Ke3 h5 33. f5 Nc7 34. Ne2 Nb5 35. Nf4 {SF16; both Bl's N & K are offside on the Q side, their presence is needed on the K side}) 31... Nc7 32. Ne2 (32. f4 {the only move to force a win now it appears} gxf4 33. h4 Na6 34. h5 Nb4+ 35. Kd2 Kxd4 36. g5 hxg5 37. h6 $18 {SF16}) 32... Nb5 $11 33. f4 gxf4 34. Nxf4 (34. Ng1 Na3 35. Nf3 Nc4 36. h4 Ne3 {and the N is just able to prevent the breakthrough on the K side} 37. g5 h5 38. g6 fxg6 39. Ng5 Ng2 40. Nxe6+ Kc6 41. Nd4+ Kd7 42. Nf3 Ke6 $11 {SF16}) 34... Nd4 35. Ke3 (35. Ne2 Nf3 36. h3 Nxe5+ $11) 35... Nc2+ 36. Kd3 Nd4 37. Ke3 Nc2+ 38. Kd2 Nd4 (38... Na3 {SF16- looks artificialyet keeps the draw}) 39. Nd3+ Kc4 $2 {no, the K needs to get back to the K side- it has no targets here. Wh is not going to drop a N} (39... Kc6 $11) 40. Ne1 $18 Nc6 41. Ke3 $2 {but there is no reason why Wh needs to give up his extra pawn} (41. Nf3 Kc5 42. h4 Ne7 43. h5 Ng8 44. Ke3 Kc4 45. Kf4 Kd3 46. g5 hxg5+ 47. Nxg5 Nh6 48. Nh7 Ng8 49. Nf6 Ne7 50. Ng4 Kd4 51. Kg5 Kxe4 52. Kf6 Nd5+ 53. Kxf7 {SF16- and the h pawn triumphs}) 41... Nxe5 $11 42. h3 f6 {it is best not to use up pawn moves in an ending- they can't return and the extra tempo might be needed later to avoid zugzwang.} (42... Kc5 $11 {brings the K back to the contested area around the K side}) 43. Nf3 $2 (43. Nc2 $11) (43. Ng2 $11) 43... Nxf3 44. Kxf3 Kd4 $2 {actually K and pawn endgames are often extremely complex- a single move can make the difference between agony and ectasy.} (44... e5 $1 $19 {stops the Wh K moving forward & wins the e pawn to force a Q} 45. Ke3 Kc3 46. Kf3 Kd3 47. h4 Kd4 48. h5 Kd3 49. Kf2 Kxe4 $19 {and Bl can take off all of Wh's remaining pawns}) 45. Kf4 $18 Kc5 46. h4 $2 $11 (46. e5 $18 {seen by Bl at this stage} fxe5+ 47. Kxe5 {and Wh takes all of Bl's remaining pawns to force a Q}) 46... Kd6 47. e5+ fxe5+ 48. Ke4 Ke7 49. Kxe5 Kf7 50. h5 {Wh is still trying to win, but the tactic of forcing the h pawn through, which has been a winning theme in ealier lines, no longer works now that Bl has managed to bring his back.} (50. g5 hxg5 51. hxg5 Kg6 52. Kxe6 Kxg5 {simplest}) 50... Ke7 51. g5 $2 {a miscalculation} hxg5 52. h6 Kf7 53. h7 Kg7 54. Kxe6 g4 55. Kf5 g3 56. Kf4 g2 57. h8=Q+ Kxh8 58. Kf3 g1=Q 0-1
[Event "Oswestry Club Championsip"]
[Date "2023.11.02"]
[Round "3"]
[White "Evans, Alf"]
[Black "Van Kemenade, J."]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1405"]
[BlackElo "1603"]
[Annotator "User"]
[PlyCount "126"]
[EventDate "2023.11.03"]
[SourceVersionDate "2023.05.08"]
1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 Qc7 5. Nf3 e5 6. dxe5 {the exchange is best left, as after it Wh no longer has a space advantage} (6. a4 {main}) 6... dxe5 7. Bc4 h6 (7... Bb4 {2-1-1}) (7... b5 8. Bb3 (8. Bd3 {1.5-0.5}) 8... b4 {0-3}) 8. a3 (8. O-O {1-2-1 others , with a game O Llywelyn-J Van Kemenade, Dyfed League 2012, 1/2-1/2 continuing} Nbd7 9. Be3 Bb4 10. Qd3 O-O 11. Bd2 {when SF16 gives} b5 12. Bb3 a5 $17) 8... Nbd7 (8... b5 9. Bb3 Bc5 10. Qe2 a5 11. Be3 Na6 12. O-O O-O 13. Rfd1 Qe7 $11 {Costachi-Gunina, Titled Tuesday blitz jan 2022,1-0}) 9. b4 Be7 10. O-O Nf8 (10... a5 $15 {SF16}) 11. Bb2 Be6 (11... g5 $2 {is a known error in this kind of position eg Castaldi-Tartakower, Stockholm ol 1937,1-0} 12. Nxe5 $1 Qxe5 13. Nd5 Qxb2 $2 (13... cxd5 14. Bb5+ Bd7 15. Bxe5 $18) 14. Nc7#) 12. Bd3 $6 {not a good square for the B, where it just acts like a big pawn & also obstructs the d file} (12. Qe2) 12... Ng6 $15 13. Ne2 O-O 14. Qe1 Nh5 (14... c5 15. bxc5 Bxc5 $17 {SF16}) 15. Qc3 Bf6 (15... Rfd8 16. Bc4 (16. Nxe5 $6 Bf6 17. f4 Nhxf4 18. Nxf4 Bxe5 19. Nxe6 fxe6 20. Qb3 Bxb2 21. Qxb2 Qg3 $17 {SF16- Bl can put a N on e5 & Wh's B is thoroughly bad}) 16... Bxc4 17. Qxc4 b5 18. Qb3 c5 $15) 16. Rad1 Qc8 (16... Nhf4 {first idea of Bl. When Wh has to take steps to avoid a sacrifice on h3 being fatal} 17. Nxf4 Nxf4 18. Rfe1 Qc8 19. Bf1 $11) 17. Nh2 Bxh3 {Enterprising, but too risky} (17... Nhf4 18. Rfe1 (18. Nxf4 exf4 $19) 18... Bxh3 (18... Nxd3 {SF16} 19. cxd3 (19. Rxd3 c5 20. Qxc5 Qxc5 21. bxc5 Be7 22. Ng4 f6 23. a4 Bxc5 $17) 19... a5 $15) 19. Nxf4 Nxf4 20. gxh3 Qxh3 21. Bf1 $18) 18. gxh3 $18 Qxh3 {SF16 prefers a N into f4 first} 19. Bc4 Qxc3 20. Bxc3 b5 21. Bd3 (21. Bb3 {is more active}) 21... Nhf4 (21... Be7 {anticipates Wh's next} 22. Ng4 f6 23. Ne3 Nhf4 {keeps Bl's pawn structure in better shape}) 22. Ng4 Rfe8 (22... Rfd8) 23. Nxf6+ gxf6 24. Bd2 Nxe2+ {gives Wh two active Bs & access to the d file , which should yield a quick breakthrough for the Wh pieces. SF has a surprising alternative} (24... h5 {passed pawns must be pushed} 25. Nxf4 exf4 26. Bc3 Ne5 27. f3 Kf8 {Bl has tripled f pawns but the Bs are kept boxed in}) 25. Bxe2 Kg7 26. Be3 a5 27. Rd6 (27. Kh2 {SF16 wants to attack along the g file before Bl gets there}) 27... Ne7 28. c3 axb4 29. axb4 Ra2 30. Rd2 {Wh starts to retreat wellplaced pieces instead of going onto the attack with further ones} (30. Bh5 Rea8 31. Kh2 Ra1 32. Rxa1 Rxa1 33. Rd7 Ng6 34. Rc7 Ra6 {SF16-and Bl is reduced to passivity} 35. Bg4 Kg8 36. Bd7 Ne7 37. Bc5 $18) 30... Ra3 31. Rc2 {Guarding weak pawns with a R should be a last resort, better to go after weak pawns elswhere.} (31. Bh5 Rea8 (31... Rxc3 32. Kh2 Ng6 33. Rg1 Re7 34. Bc5 Rc7 35. Bg4 Rc4 36. Bf5 Rb7 37. Rd6 Rc7 38. Bb6 Re7 39. Bd8 Re8 40. Bxf6+ Kh7 41. Rd7 {mating, SF16}) 32. Kh2 Ra1 33. Rxa1 Rxa1 34. Rd7) 31... f5 (31... Rd8 {SF16}) 32. exf5 (32. f4 $1 {SF16- the Bs need open lines to get at the K} exf4 33. Bd4+ Kh7 34. Rxf4 Raa8 35. Kh2 Rg8 36. Bf3 Rg5 37. exf5 $18 {SF16}) 32... Nxf5 (32... Kf6 33. Rd1 Nd5 34. Bf3 Kxf5 35. Bxd5 cxd5 36. Rxd5 Rg8+ 37. Kf1 Ra1+ 38. Rc1 Rxc1+ 39. Bxc1 Ke4 40. Rxb5 $18 {SF16}) 33. Kg2 (33. Kh2) 33... Re6 34. Bd2 {again, a retreat} (34. Bc5 {looks a better square, or}) (34. Bc1 {to drive away the R attacking c3}) 34... e4 35. Rh1 e3 36. Bc1 (36. fxe3 Nxe3+ 37. Bxe3 Rxe3 38. Rh3 Re5 39. Kf2 {may be safest , and then to target the Bl Q side pawns with the B}) 36... Ra8 (36... exf2 {preferred by SF16, on the principle of getting rid of as many pawns as possible, while keeping pieces on} 37. Bxa3 f1=Q+ 38. Kxf1 Ne3+ 39. Kf2 Nxc2 40. Bc1 Rf6+ 41. Bf3 $18) 37. f3 {letting the pawn live is risky- it may be captured for free at some point, but it could become dangerous near a K. It also restricts the wh squre B} (37. Bd3 $1 {either wins the e pawn, or leads to a complex melee.} Rg6+ 38. Kf1 (38. Kf3 exf2 39. Kxf2 (39. Bxf5 Rg1 40. Bxh6+ Kf6 41. Rc1 Rxh1 42. Rxh1 Kxf5 43. Be3 $18)) 38... Rd8 39. Bxf5 Rd1+ 40. Ke2 Rxh1 41. Bxe3 (41. Bxg6 exf2 42. Kxf2 fxg6 {gives less advantage to Wh}) 41... Rf6 42. Bd4 Rh4 43. Bxf6+ Kxf6 44. Bd3 $18 {SF16}) 37... Rg6+ 38. Kh2 Rd8 39. Rg1 (39. Rd1 {is a better way of relieving the R pressure} Rgd6 40. Rxd6 Rxd6 41. c4 bxc4 42. Rxc4 Kg6 43. Rg4+ Kf6 44. Re4 Kg5 45. Kh3 h5 46. Bxe3+ Nxe3 47. Rxe3 Rd2 48. Ba6 f5 49. Rc3 Rb2 50. Rc4 Rb3 51. Kg3 Rb2 52. f4+ Kf6 53. Rxc6+ {SF16 & Wh has achieved an outside passed pawn}) 39... Rdd6 40. Rxg6+ {this improves Bl's pawn structure,} (40. f4 $1 {SF- will force Bl to exchange on g1}) 40... fxg6 41. Bb2 Kf7 42. c4 $18 {Wh is still winning, but not by as much as in the lines above} bxc4 43. Bxc4+ Ke7 44. Ba3 $2 {with a threat, but it does bury the B, which gives Bl a tactical opportunity} (44. Bc1 Nd4 (44... Rd4 45. Rc3 Kf6 46. Bd3 Rxb4 47. Rxc6+ Kg5 48. Kg2 Rb3 49. Bc2 Rb5 50. Rc3 Re5 51. Rc4 (51. Be4 Kf4 52. Bxf5 Kxf5 53. Bxe3 g5 $16 {Wh has to be careful, as he is down to his last pawn, and if this is exchanged R&B vs R is a tricky ending, not infrequently drawn.}) 51... Re6 52. Bd3 Rd6 53. Be2 Rb6 54. f4+ Kf6 55. Bd3 g5 56. fxg5+ hxg5 57. Rc5 Nd4 58. Bxe3 {the Engine still gives Wh a win, the practical chances with those two Bs look an excellent prospect, but the outcome is not assured.}) 45. Rc3 Nxf3+ 46. Kg3 Nd4 47. Rxe3+ Kd7 48. Ra3 g5 49. Ra7+ Ke8 50. Bb2 {Wh will have to gain the c6 pawn to win, not quite sure if this can be forced. However, with the K on the back rank, Bl may well go down via a mating attack}) (44. Bc3 {may be safest, though it is not one of the Engine's top lines} Nd4 45. Bxd4 Rxd4 46. Rc3 Kd6 47. Kg3 g5 48. Bg8 e2 49. Re3 Rxb4 50. Rxe2 Rh4 51. Re6+ Kc5 52. Bf7 Rh1 53. Rg6 Rh4 54. Be8 {SF16- the c6 pawn falls & Bl's K side pawns will not break through, nor manage to exchange the last wh pawn} Kd5 55. Bxc6+ Ke5 56. Bd7 Kd4 57. Bg4 Kc5 (57... h5 58. Rxg5 $1 hxg4 59. Rxg4+ Rxg4+ 60. Kxg4 {and with the Wh K in front of the the pawn it can be forced through.}) 58. f4 Rh1 59. f5 $18 {SF16-the passed pawn must win through}) 44... Rd2+ {the advanced pawn survives and will win a B} 45. Rxd2 exd2 46. Bb3 (46. b5+ Kd7 47. Be2 Ne3 48. bxc6+ Kxc6 49. Kg3 d1=Q 50. Bxd1 Nxd1 51. Bc1 h5 52. Kf4 {SF16; and with all the pawns on one side and the Bl K away it will be drawn- the N can always give itself up for the last Wh pawn}) 46... Kd7 47. Bb2 Ne3 48. Kg3 d1=Q 49. Bxd1 Nxd1 50. Bg7 $2 {the wrong square for the B, as Bl can now force a winning position} (50. Bc1 h5 (50... g5 51. f4) 51. Kh4 Nc3 52. Kg5 Nd5 53. Bb2 $1 {the B must be able to stop the h pawn} (53. Bd2 Ke6 54. Be1 (54. Kxg6 $1 h4 55. f4 Ne7+ 56. Kg5 h3 57. f5+ Nxf5 58. Bf4 Ne3 59. Bb8 Nf1 60. Kg4 h2 61. Bxh2 Nxh2+ 62. Kg3 Kd5 63. Kxh2 Kc4 {and the Wh K can't get back in time}) 54... Ne7 $15) 53... Nxb4 54. Bd4 Ke6 55. Kxg6 h4 56. Kg5 h3 57. Bg1 Kd5 58. Kg4 c5 59. Kxh3 c4 60. Be3 $11 {SF16}) (50. Bd4 {SF16 is the best as the N can't move. It is then dangerous for Wh to try and win the N, as the f pawn will then fall to the Bl K , which may be able to help its connected K side pawns through} Ke6 51. Kf4 g5+ 52. Kg3 Kd5 53. Bc5 (53. Bg7 $2 Ne3 $19) 53... Nb2 54. Bf8 h5 55. Be7 g4 56. fxg4 hxg4 57. Kxg4 $11 Kc4 58. Kf3 Nd3 59. Ke2 Nxb4 60. Kd2 $11 (60. Bf6 $11)) 50... h5 {missing} (50... Ne3 $1 {SF16} 51. Bxh6 $2 Nf5+ {normally, when there are pawns on both sides of the board, a B is superior to a N. Here though the pawn position is static, which favours the N, and the B is actually a bad B, ( which even gets worse after the next move)}) 51. f4 $2 {takes away a good square from the K and the poor B now has to find ways of protecting two pawns rather than just the one on b4} (51. Bd4 {keeps the draw , as do}) (51. Kf4 {and}) (51. Kh4) 51... Ke6 {but Bl does not play the accurate} (51... Ne3 $1 $19 {Having survived from lost positions Bl was content with a draw, reckoning the N could be given up for the f pawn} 52. Kf3 Nd5 53. Bf8 Ke6 54. Kg3 Kf5 55. Bd6 Ke4 $19) 52. Kh4 $2 (52. Kf3 {would hold} Kf5 53. Bh8 $1 $11 (53. Ba1 $1 $11) (53. Bd4 $2 h4 54. Bg7 h3 55. Kg3 Ne3 56. Bf8 h2 57. Kxh2 Kxf4 $19) 53... h4 54. Bd4 h3 55. Kg3 h2 56. Kxh2 Kxf4 57. Kg2 Ne3+ 58. Kf2 $11) 52... Kf5 {stops Kg5} 53. Kg3 Ne3 $19 54. Bf8 Nd5 (54... Ke4 $1 {SF16, prevents the B coming to d6} 55. Bc5 Nf5+ 56. Kg2 Kxf4) 55. Bd6 Nf6 (55... Ke4 $1 {SF16 -wins a pawn immediately. It has been a long game and there is nothing Wh can do while Bl probes around for a breakthrough}) 56. Kf3 Ke6 (56... Nd5 57. Kg3 Ke4 {as above}) 57. Be5 Ng4 (57... Nd5 {wins b4}) 58. Bg7 Nf6 59. Bh6 Kd5 (59... Kf5 $1 {keeps the blockade}) 60. Bf8 Kc4 $2 {gives Wh a last chance} (60... Ke6) 61. Kg3 $2 {actually giving a mutual question mark is too harsh- the saving move is not at all easy to find except by an Engine.} (61. f5 $1 $11 {SF16-endgames are always full of tactical resources- it is not all about simply moving the extra material up the board in a a steady decorum} g5 (61... gxf5 62. Kf4 Nd5+ 63. Kxf5 Nxb4 64. Kg5 Nd3 65. Kxh5 Kd5 66. Kg4 $11) 62. Be7 g4+ 63. Kg3 Nd5 64. f6 Nxf6 65. Bxf6 Kxb4 $11) 61... Nd5 $19 62. Bd6 Nxb4 {and a thoroughly sensible human move, which is what Bl has been playing for since move 55. However, it gives Wh a last, last chance.} (62... Ne3 $1 $19 {SF16- back to the side where Bl has the material advantage and superiority in the first place.} 63. Kf3 Nf5 {and Wh must give up the b pawn} 64. Bc5 (64. Bf8 Kd3 65. Bc5 Nd4+ 66. Kg3 Ke4 67. Kh3 Ne6) 64... Kd3 {zugzwang}) 63. Bxb4 {keeping the B on would normally give good drawing chancesbut here, with normal type play, the advance of the c pawn would soon cost Wh the B, while there is a protected passed pawn on the other side. However} (63. f5 $1 $11 {SF16- that resource again, changes the staus of the h pawn} gxf5 64. Kf4 (64. Kh4 $2 Nd3 $19) 64... h4 65. Kxf5 Kd5 66. Bf4 h3 67. Kg4 Nd3 68. Bh2 c5 69. Kxh3 c4 70. Bc7 $1 {the only move to draw} c3 71. Ba5 c2 72. Bd2 $11) 63... Kxb4 $19 {an extremely complex ending of N vs B, which perhaps only engines can play perfectly( especially since they are now equipped with the tablebases that have worked out all permutions for 7 piece endings- eight piece ones are still being worked on)} 0-1
[Event "Oswestry Club Championship"]
[Date "2023.11.09"]
[Round "3"]
[White "Slegg, Gary"]
[Black "Atherton, Marcus"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1587"]
[BlackElo "1461"]
[Annotator "Tactical Analysis 6.4 (10s)"]
[PlyCount "73"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.05.08"]
{[%evp 9,73,1,14,8,18,-9,2,-14,9,8,53,46,105,71,174,175,165,86,111,66,94,-15,59,15,132,31,163,82,114,88,117,85,98,9,27,-25,468,433,627,422,398,407,1079,554,29995,552,626,423,29995,610,609,-1,29995,759,1801,922,933,751,934,901,929,904,1026,1002,1019,985] B07: Pirc Defence: Miscellaneous Systems} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 (5. Qd2 {main-vk}) 5... Nfd7 (5... dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng4 $2 8. h3 Nxe5 9. Nd5 $18 {Slegg-Bailey, lichess 2023,1-0- vk}) 6. exd6 {55% for Wh-vk} (6. f4 {58% for Wh-vk}) 6... cxd6 7. Bc4 (7. Qd2 Nc6 8. h3) 7... O-O (7... Nb6 8. Bb3 Nc6 9. Nge2 O-O 10. Qd2 Bd7 11. O-O-O Na5 12. Bh6 Nbc4 13. Bxc4 Nxc4 14. Qg5 e5 15. Qxd8 Bxh6+ 16. Kb1 Raxd8 17. dxe5 dxe5 18. Nd5 Be6 19. Nec3 Nd2+ 20. Ka1 Bxd5 21. Rhg1 Bc6 22. b3 {Larioshin,A (1181)-Gilor,A (1649) Savyon 2022 0-1}) 8. Nf3 {The position is equal.} Re8 $146 (8... Nc6 9. d5 (9. Bb3 Nf6 10. O-O Na5 11. Re1 Nxb3 12. axb3 Re8 13. h3 b6 14. b4 Bb7 15. b5 Qc7 16. Bh4 h6 17. Qd3 e5 18. dxe5 dxe5 19. Bxf6 Bxf6 20. Nd5 Bxd5 21. Qxd5 Rad8 22. Qc6 Qe7 23. Re2 Rc8 {Cid,M-Zambon,H Buenos Aires 1976 1-0 (49)}) 9... Nce5 10. Nxe5 Nxe5 11. Bd3 Qc7 12. O-O Nxd3 13. Qxd3 Bf5 14. Qd2 Rac8 15. Rfe1 Bxc3 16. Qxc3 f6 17. Bd2 Rfe8 18. Re3 Bxc2 19. Rc1 Qxc3 20. Rxc3 Rxc3 21. Bxc3 Bf5 22. h3 Kf7 23. Bd4 {Griksaite,L (1092)-Bubnys,M (1490) Taujenai 2021 0-1 (51)}) (8... Nb6 9. Bb3 Nc6 10. h3 Na5 11. O-O Qc7 12. Re1 e6 13. Qc1 a6 14. Bh6 Bd7 15. Qf4 Nxb3 16. axb3 f6 17. Bxg7 Kxg7 18. Rad1 Rad8 19. h4 e5 20. Qg3 Bc6 21. h5 Nc8 22. Nh4 g5 23. Nf5+ {Norri,J (2423)-Hokkanen,P (2240) Helsinki 2002 1-0 (33)}) (8... h6 9. Bh4 a6 10. O-O Nf6 11. Bb3 e6 12. a4 b6 13. Re1 Nbd7 14. Qd3 Kh7 15. Ne4 Qc7 16. Nxf6+ Nxf6 17. Rad1 Bb7 18. c3 Rad8 19. Bc2 Rde8 20. Bxf6 Bxf6 21. Re2 Bd5 22. b3 b5 23. axb5 {Mika,T (1687)-Galaszewski,P (1834) Sielpia 2009 1-0}) 9. O-O Qc7 {[%eval 53,19]} (9... Nb6 $11 {[%eval 8,21] deserves consideration.} 10. Bb5 Bd7) 10. Bb3 $14 e6 {[%eval 105,21]} (10... Nc6 $14 {[%eval 46,20]}) 11. Re1 Nb6 {[%eval 174,20]} (11... Nf6 $16 {[%eval 71,21] was necessary.}) 12. Nb5 $1 $18 Qc6 13. Qd3 {[%eval 86,20]} (13. a4 $1 $18 {[%eval 165,22] I did consider this move, but in the end decided on Qd3 to connect my Rooks. Also, I though if I played a4 he'd just play a6 and I'd end up having to move my Knight - but thinking about it he could do that anyway}) (13. c4 $18 {preferred by SF16, as it also restrains the centre and allows the R to target the slightly awkwardly placed Q-vk}) 13... Na6 14. c3 {[%eval 66,22] Dodges Nb4 Supporting the d-pawn and also ensuring his dark squared Bishop bites on granite when I push the d-pawn} (14. a4 $1 $16 {[%eval 111,21]}) 14... Bd7 15. Na3 {[%eval -15,21] White is more active.} (15. a4 $16 {[%eval 94,22]}) 15... Rac8 {[%eval 59,20] I was surprised by this move as I think it was definitely an error, I was expecting e5} (15... e5 $11 {[%eval -15,21]}) 16. Qd2 {[%eval 15,21]} (16. Bf4 $14 {[%eval 59,20] should be considered. I did consider this, but for some reason I was worried about e5 still, alhough looking at it now, e5 no longer seems a good move}) 16... Nc7 {[%eval 132,19] [#]} (16... e5 $1 $11 {[%eval 15,21]}) 17. Bh6 {[%eval 31,21]} ({White must play} 17. c4 $1 $16 {[%eval 132,19] I did consider c4, but I was worried about the power of his dark-squared Bishop, so thought I would try an exchange them first}) 17... Bh8 {[%eval 163,22]} ({Better is} 17... Nbd5 $14 {[%eval 31,21]}) 18. Rac1 {[%eval 82,21]} (18. c4 $18 {[%eval 163,22]}) 18... Nbd5 $16 {I thought this a mistake as it allows me to get c4 in with tempo [ It is given as Bl's best try by SF16, there is a bit of a logjam of the Bl pieces on the Q side, with not that much near the K-vk] k} 19. c4 {[%cal Bc3c4,Bc4b5][%mdl 32]} Ne7 20. d5 Qa6 21. dxe6 {[%eval 9,24]} (21. Bg5 $16 {[%eval 98,21]}) 21... Nxe6 $11 {[#]} 22. Nb5 {[%eval -25,21]} (22. g4 $142 $1 {[%eval 27,22]}) 22... Bxb5 $4 {[%eval 468,23][%mdl 8192] White stays focused until the end.} (22... Nf5 $11 {[%eval -25,21] and Black has nothing to worry.}) 23. cxb5 $18 Qb6 {[%eval 627,23] I was surprised he didn't just take the b-pawn} (23... Qxb5 $142 {[%eval 433,22]} 24. Rxe6 (24. Qxd6 Rxc1 25. Bxc1 Nf5 $11) 24... Rxc1+ 25. Qxc1 Qd7) 24. Bxe6 fxe6 25. Rxe6 (25. Rxc8 Rxc8 (25... Nxc8 26. Rxe6 Rxe6 27. Qd5) 26. Rxe6 Qc7 27. Qe1 {SF16-and there is a terrible pin on the N, as} Nf5 28. Re8+ Kf7 29. Qe6# {vk}) 25... Rcd8 {[%eval 1079,26]} (25... Rxc1+ $142 {[%eval 407,23]} 26. Qxc1 Bg7 27. Bxg7 Kxg7 28. Qc3+ Kg8) 26. Rce1 Rd7 27. Bg5 {[%eval 552,21]} (27. Qd5 $142 {[%eval 32758,13] I did think about Qd5, but couldn't see how I could mate him if he played Nxd5, but actually it's reatively simple - the sort of thing I'd see if solving a puzzle, but clearly not over the board} Qxf2+ {[%mdl 64] Decoy} 28. Kxf2 Bd4+ {[%mdl 64] Decoy} 29. Qxd4 Nf5 30. Rxe8+ Kf7 31. Ng5#) (27. Qd5 Nxd5 28. Rxe8+ Kf7 29. Rf8#) 27... Qc7 {Black is weak on the dark squares [ & on the wh squares as well, as Gary's last variation shows-vk]} 28. Qe3 Kf7 {[%eval 32758,12]} (28... Qc4 $18 {[%eval 423,22]} 29. Bxe7 Bg7) 29. Qf4+ {[%eval 610,25]} (29. Rf6+ $142 {[%eval 32758,12]} Bxf6 30. Qe6+ (30. Qxa7 $2 {loses.} Nc8 $19) 30... Kf8 31. Bh6+ Bg7 32. Qf6+ Kg8 33. Qxg7# {Another mate I really should have seen, although at this stage I was running low on time}) 29... Kg8 30. Qe3 $2 $40 {[%eval -1,17][%mdl 128] White mounts an attack. I don't understand the computer's evaluation of equality at this point, when doing a computer shootout it has me over 6 points up[ it sees a repetition possibility, not all engines are so set up-vk]} ({White should play} 30. b6 $18 {[%eval 609,22]} axb6 31. Qh4 {SF16 actually prefers 30 Qe3 or 30 Qe4 , going almost 6 points up-vk}) 30... Kf7 $1 $11 31. Bf4 {[%eval 759,22]} (31. Rf6+ $142 {[%eval 32758,12]} Bxf6 32. Qe6+ (32. Qxa7 $2 {is the wrong capture.} Nc8 $19) 32... Kg7 33. Bxf6+ Kf8 34. Ng5 h6 35. Nh7# {Another beautiful mate I missed}) 31... Nf5 {White is clearly winning.} 32. Qb3 {White threatens Re7+ and mate.} (32. Ng5+ Kg7 33. Qh3 h5 34. Rxe8 {SF16-looks simply winning -vk}) 32... Rxe6 33. Qxe6+ Kg7 34. Rc1 Qd8 35. Bg5 Rc7 {A good try at a bank-rank mate, but my Knight prevents it} 36. Bxd8 Rxc1+ 37. Ne1 1-0
[Event "Oswestry Club Championship"]
[Date "2023.11.09"]
[Round "3"]
[White "Wise, Paul"]
[Black "Tiddy, Phil"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1296"]
[BlackElo "1333"]
[Annotator "User"]
[PlyCount "46"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.05.08"]
{[%evp 0,46,19,29,72,68,60,22,38,38,80,56,53,29,23,31,73,49,65,-24,100,64,203,8,171,117,405,143,282,53,434,464,642,316,308,-37,-50,-725,-639,-687,-709,-771,-826,-893,-1034,-1230,-1107,-29999,-30000]} 1. e4 d6 2. Nc3 Nf6 3. Bc4 (3. d4 c6 {is a Pribyl or Czech Pirc, that can transpose into a Black Lion variant of the Philidor}) 3... c6 4. Nf3 g6 {back to a mainline Pirc} (4... Bg4 {transposes to Wade Defence}) (4... e5 5. d4 Nbd7 {is dangerous as Wh already has KN & B out} 6. dxe5 dxe5 7. Ng5 $18) 5. O-O (5. d3) (5. d4 b5 6. Bd3 {are safer lines}) 5... b5 (5... Bg7 {safety first} 6. Re1 b5 7. Bf1 O-O 8. d4 Bg4 $14) 6. e5 (6. Bb3 b4 7. e5 $1 (7. Ne2 Nxe4 {wins a pawn, though Wh can get an attack down the e file} 8. d4 Bg7 9. Re1 {SF16 gives it as level, but in practice Bl has won all 4 games}) 7... dxe5 8. Nxe5 e6 9. Na4 $16 {SF16- Wh is better developed and Bl Q side pawns are badly split}) 6... dxe5 7. Bb3 Bg7 (7... Nbd7 8. Qe2 (8. d4 {can get quite wild} exd4 9. Nxd4 Bb7 10. Qe2 Bg7 11. Bxf7+ Kxf7 12. Ne6 Qe8 13. Nc7 Qd8 14. Ne6 Qb6 (14... Qe8 15. Nc7 {repetition}) 15. Nxg7 c5 (15... Kxg7 16. Qxe7+ Kg8 17. Bh6 {mating}) 16. Bh6 Qc6 17. f3 Ng8 18. Rfe1 e5 19. Bf4 Kxg7 20. Bxe5+ Nxe5 21. Qxe5+ Nf6 22. Qe7+ Kh6 23. Re6 Rhe8 24. Rxc6 Rxe7 25. Rxf6 $11 {not all forced, but interesting possibilities}) 8... Bg7 9. Nxe5 Nxe5 10. Qxe5 O-O 11. Qe2 Qc7 $15 {SF16}) 8. Nxe5 O-O 9. Qe2 (9. d4 $14) 9... Ba6 {true, the B does look at the Q from here, but Wh can more or less ignore it, so it gets stuck on a awkward square.} (9... Nfd7 {challenges Wh's outpost N} 10. d4 Nxe5 11. dxe5 b4 12. Nd1 Ba6 {will win an exchange or swap off Wh's best B} 13. Bc4 Bxc4 14. Qxc4 Bxe5 15. Qxb4 Qc7 16. h3 a5 17. Qe4 Nd7 $11 {SF16}) 10. d3 $14 (10. Ne4 Nxe4 11. Qxe4 e6 12. d4 Bb7 13. Re1 $14 {Bl's Q side is a little depressed, and Wh controls much more space, which can often turn into a dangerous K side attack ( a standard in such positions) eg} Nd7 {rushing to defend the K from asuch ideas as a line opening h4-h5 sequence} 14. Nxf7 Rxf7 15. Qxe6 Qf6 16. Qxf7+ Qxf7 17. Re7 Qxb3 18. axb3 Bc8 19. Bg5 Bf8 20. Re6 c5 21. d5 Bb7 22. c4 $14 {Bl has two pieces for a R, but Wh has an extra two pawns, so the pieces have great trouble getting any activity}) 10... Qc7 (10... Bb7 {is SF16}) 11. Bf4 {a natural move , developing and aiming at the Q. Howver the Engine has seen something better} (11. Nxf7 $1 Bc8 (11... Rxf7 12. Qe6 {The Q can no longer come to the support of the R.} Nbd7 13. Qxf7+ Kh8 14. Qxe7) 12. Re1 $18 {Sf16}) 11... Qd8 (11... Nh5 {also it gives Bl a chance for a couter-attack} 12. g3 {so as not to lose a piece} b4 13. Na4 Nxf4 14. gxf4 c5 $15 {SF16, as Wh's K side is a little less secure}) 12. Rae1 $18 e6 (12... Nd5 13. Bg5 Bb7 (13... f6 14. Nxc6 {and Bl's centre collapses, losing a piece} Nxc6 15. Bxd5+ Kh8 16. Bxc6) 14. Ng4 Re8 15. f4 Nd7 16. f5 $18) 13. Bg5 {a strong move, but there is an immediate breakthrough} (13. Nxf7 $1 {SF16- a recurring feature in this position- Bl has an undeveloped QN & QR, and a QB offside, so Wh must be winning, effectively 3 pieces up for the moment.} Rxf7 14. Qxe6 Qd7 15. Qe7 (15. Bxb8 Rxb8 16. Qxd7 Nxd7 17. Re7 Ne5 18. Rxa7 Bb7 19. Ne4 Bf8 (19... Kf8 20. Bxf7 Nxf7 21. c3 $18) 20. Re1 {every Wh piece joins in the hunt, while the Bl ones are static} h6 21. Re3 Kg7 22. Bxf7 Kxf7 23. d4 Nd7 24. h4 $18 {SF16})) 13... b4 (13... Qd6 14. Qf3 Nd5 15. Ng4 Nxc3 16. bxc3 Nd7 17. Nh6+ Bxh6 18. Bxh6 Rfe8 19. Re3 Bb7 20. h4 $18 {SF16}) 14. Nxf7 (14. Ne4 h6 15. Nxf7 {is even stronger according to SF16} Rxf7 16. Nxf6+ Rxf6 17. Qxe6+ Rxe6 18. Bxd8 Bc8 19. Bxe6+ Bxe6 20. Rxe6 Nd7 21. Bc7 {Wh is an exchange and two pawns, while his pieces remain far more active than the Bl ones}) 14... Bxd3 {desperation,which turns out ok. As Speelman observes- when you are lost it is a good idea to just cause chaos and hope to confuse your opponent.} 15. Qxe6 (15. cxd3 {is simpler}) 15... Qc7 (15... Qd7 {best try} 16. cxd3 Qxe6 17. Rxe6 bxc3 18. Bxf6 Bxf6 19. Rxf6 Kg7 20. Rd6 cxb2 21. Ng5 $19 {SF16}) 16. Nh6+ (16. Bxf6 $18 {SF16} Bf5 17. Qe7 Qxe7 18. Rxe7 Rxf7 19. Rxf7 Bxf6 20. Rxa7+ Kf8 21. Rxa8 $18) (16. cxd3 Qxf7 17. Qxf7+ Rxf7 18. Re7 Nbd7 19. Rxf7 Kh8 20. Ne2 $18 {SF16}) 16... Kh8 {there is almost a Philidors Legacy smothered mate possible. Put Bl's Q on c8, and remove the f6 N from guarding g8, and Wh would win elegantly with Qg8ch, Rxg8 and Nf7 mate} 17. Ng8 $2 {Wh falters at the last moment} (17. cxd3 $18) (17. Ne2 $18) 17... Nxg8 $19 (17... Bf5 $1 $19) (17... Rxg8 18. Bxf6 $18 {would work}) 18. Qe8 {an interesting idea, but flawed. Even if Bl takes the Q, there is no mate} Na6 (18... Rxe8 19. Rxe8 h6 20. Rxg8+ Kh7 21. cxd3 bxc3 22. Be3 Qb7 23. bxc3 Nd7 $19) 19. Qe6 Bxf1 20. Kxf1 bxc3 21. g3 cxb2 22. Rb1 Qb6 23. Rxb2 (23. Be3 Nc5 {Bl is too much material up}) 23... Qxf2# 0-1