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Oswestry Chess Club
[Event "Club Championship 2024/5"] [Site "?"] [Date "2024.10.23"] [Round "Rd 1"] [White "Smith, Jonathan"] [Black "Cosens, Paul"] [Result "0-1"] [ECO "E12"] [WhiteElo "1555"] [Annotator "Rudy van Kemenade"] [PlyCount "64"] [rd1_gameId "2104122452484127"] [EventDate "2024.10.24"] [SourceVersionDate "2024.09.14"] {[%evp 0,64,19,27,22,3,3,-14,27,6,17,17,5,5,6,-27,-37,-45,-40,-53,-53,-99,-104,-174,-190,-178,-186,-186,-185,-213,294,297,301,308,308,262,262,261,248,242,248,230,241,233,219,214,221,251,264,141,173,83,177,-185,-186,-374,-382,-396,-291,-298,-299,-308,-272,-313,-339,-346,-316]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 (4. g3) (4. a3) (4. Nc3) (4. e3 {most frequent lines against the Queen's Indian}) 4... Bb7 5. e3 (5. Nc3 {main}) 5... h6 (5... Be7 6. Nc3 O-O (6... d5 {main lines})) 6. Bxf6 $11 {89 rd1_games, 26% for Wh} (6. Bh4 $11 {511 rd1_games, 35% for Wh}) 6... Qxf6 7. Nbd2 {15 rd1_games, 33% for Wh. This feels passive} (7. Be2 $11 {91 rd1_games, 28% for Wh}) (7. Nc3 $11 {is where the N belongs, 58 rd1_games, 31% for Wh. Perhaps the reason why Wh scores badly in these variations is because it is usually played by people avoiding the sharp theoretical lines, who are less familiar with the opening. Objectively it is level , but in practice easier to play for Bl, especially since it is mainly their regular choice of opening}) 7... c5 $15 {1-2-4} 8. Be2 cxd4 9. exd4 Nc6 (9... Bb4 10. O-O O-O $11 {2 draws}) (9... g5 $15 {SF17}) 10. Nb3 $2 {a consequence of Nbd2, wihch left the d pawn a little less secure. However} (10. d5 $1 {Cloud Engines} Nd4 11. O-O Nxe2+ 12. Qxe2 Qxb2 13. Rfb1 Qf6 14. Ne4 Qf4 15. a4 $11 {Wh has open lines and well placed pieces for the pawn}) (10. Ne4 Bb4+ 11. Nc3 Rd8 $15 {Juckschat-Marduhajev, Wichern op Hamburg 1999,0-1}) 10... Bb4+ $19 11. Nbd2 (11. Kf1 {relatively best, at least keeping a pawn, perhaps the K R may get out via h3 & g3}) 11... Nxd4 12. O-O Nxe2+ (12... Bxd2 13. Nxd2 Nxe2+ 14. Qxe2 Qxb2 $19 {SF17 alternative}) 13. Qxe2 Qxb2 14. Rfb1 (14. Rab1 Qa3 15. Ne4 Rd8 16. Rfd1 O-O $19 {SF17}) 14... Bxf3 $2 {miscalculating} (14... Qa3 15. Rb3 Qa5 $19 {SF17}) (14... Qf6 15. Ne4 Bxe4 16. Qxe4 O-O 17. Rd1 Bc5 18. Rab1 d6 $19 {SF17}) 15. Qxf3 $18 Qxa1 16. Rxa1 O-O 17. Qd3 Rfd8 18. a3 {no need to chase the B from a now inactive square} (18. Nf3) 18... Be7 19. Ne4 d5 20. cxd5 Rxd5 21. Qf3 (21. Qa6) 21... Rad8 22. g4 Rd3 23. Qe2 (23. Qf4) 23... Bxa3 24. f3 {this weakens Wh's K side instead} (24. h4 {tries to open up the Bl K for the Q & N}) 24... Kf8 25. Nf2 $6 {cedes the second rank} (25. Kh1) 25... Bc5 (25... Rd2 $11 26. Qxd2 Rxd2 27. Rxa3 a5 $11 {SF17, though its a difficult ending to play for both players- the unbalanced material means either side can win.}) 26. Kf1 $2 (26. Rf1 $11) (26. Ra2 Re3 27. Qc4 Rxf3 28. Kg2 Rxf2+ 29. Rxf2 Bxf2 30. Kxf2 Kg8 $11 {Though Bl needs to be careful that the fortress he builds has no weak entry points for the Q}) 26... Rd2 $19 27. Qe5 (27. Rxa7 Rxe2 28. Kxe2 Bxf2 29. Kxf2 Rb8 $19 {SF17}) 27... Rxf2+ 28. Ke1 Bd6 (28... Rxf3) 29. Qxd6+ (29. Qc3 Rxh2 {is marginally worse for Wh, as the K stays in trouble.}) 29... Rxd6 30. Kxf2 Rd2+ (30... a5) 31. Kg3 (31. Ke3 Rxh2 32. Rxa7 g5 $19) 31... a5 32. Rb1 Rd6 0-1
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Annotated by