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Oswestry Chess Club
[Event "Club Championship 2024/5"] [Date "2024.09.05"] [Round "Rd 1"] [White "Loe, Alex"] [Black "Fisher, Peter S"] [Result "1/2-1/2"] [ECO "D55"] [WhiteElo "1471"] [BlackElo "1670"] [Annotator "Rudy van Kemenade"] [PlyCount "104"] [rd1_gameId "2086708672913439"] [EventDate "2024.??.??"] {[%evp 0,17,15,27,18,-11,-14,4,2,-6,25,25,15,35,47,18,34,16,30,19]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 b6 {Tartakower variation of the Queens Gambit Declined} 7. Be2 (7. cxd5 {main}) 7... Bb7 8. cxd5 exd5 (8... Nxd5 9. Bxe7 Qxe7 10. O-O {main line}) 9. Bf4 $146 {targetting c7, but getting on with development is the usual plan. The current position is normally reached with Wh to play by putting the B on f4 initially rather than on g5} (9. O-O) 9... a6 (9... Nh5 10. Be5 Nd7 11. Qc2 $11 {Cloud Engines}) 10. O-O Nbd7 11. Ne5 (11. Rc1 Rc8 12. Ne5 c5 13. Bd3 g6 14. Bh6 Re8 15. f4 $14 {SF16.1}) 11... Re8 (11... c5 {Cloud Engines- the R may later be posted elsewhere, while the c pawn needs to move up anyway}) 12. Nxd7 Qxd7 13. h3 h6 14. Bg4 (14. Rc1) (14. Qb3 {more usual plans on the Q side}) 14... Nxg4 15. Qxg4 Qxg4 16. hxg4 Rac8 17. Rac1 c5 18. dxc5 bxc5 {This setup involves Bl having the socalled hanging pawns in the centre. There are endless theoretical discussions about whether they are dynamic or weak. There are continual threats of having them advance to release the power of Bl's B pair. On the other hand a forward push by one of them may leave the square in front of the other as a weakness} 19. Na4 (19. Rfd1 $11 {preferred by SF16.1, as it has a tactical response to Wh' Q side probe}) 19... c4 $11 {a concession, as Wh gets play on the bl squares} (19... Bc6 $1 $17 20. b3 (20. Nxc5 Bb5 $19 {wins an exchange}) (20. Nc3 g5 21. Bg3 d4 22. exd4 cxd4 23. Nb1 Bb5 24. Rxc8 Rxc8 25. Re1 Bf8 $19 {SF16.1- the Bl pieces co-opperate effortlessly, while the Wh ones are scattered}) 20... Bxa4 21. bxa4 Bf6 22. Rfd1 Red8 $17 {SF16.1- Bl in effect has an extra pawn, which is also passed}) 20. Rfd1 Red8 21. Be5 f6 22. Bd4 Re8 (22... Bc6) 23. Nb6 Rcd8 24. Na4 Bc6 25. Nc5 a5 26. b3 {line2 of SF16.1} (26. Ne6 Rb8 27. Nf4 Rb5 28. Bc3 a4 $11 {line 1 of SF16.1; there are chances for both sides}) 26... cxb3 27. Nxb3 (27. axb3 {also}) 27... Ba4 28. Rd3 (28. Bb6 Rb8 29. Bxa5 Bxb3 30. axb3 Rb5 31. Be1 Reb8 32. Rc7 Bd6 33. Ra7 Rxb3 34. Rxd5 R8b6 $11 {is quite holdable for Bl , with all the pawns on one side of the board R endings will be drawn. In the meantime Bl's B is better than its counterpart}) 28... Bb5 29. Rd2 Bb4 30. Bc3 Bxc3 {risky as it leaves wh with good possibilities against the remaning B Also the isolated QP remains as a target} (30... Ba3 31. Bb2 Bf8 32. Nd4 Bd7 $11 {SF16.1}) 31. Rxc3 $14 a4 32. Nd4 Bc4 33. Nc6 (33. Nf5 Ra8 34. Nd6 Red8 35. Nxc4 dxc4 36. Rxd8+ Rxd8 37. Rxc4 Rd1+ 38. Kh2 Rd2 39. Rxa4 Rxf2 40. Ra8+ Kf7 41. Kg3 Rb2 42. a4 Ra2 $11 {SF16.1 Interesting that a mrror image appears at the end of the rd1_rd1_game. The rd1_rd1_game should be drawn, With the Bl R behind the pawn it gains in strength as the pawn advances. However, when the pawn gets to a7, Bl must avoid giving the Wh R a chance for a check letting the pawn Q. Bl must keep the K on g7 or h7, or sheltering in front of pawns.}) 33... Rc8 34. Nb4 Red8 35. a3 (35. Rd4 Kf8 36. Ra3 Rb8 (36... Ra8 37. e4 $14) 37. Rxa4 Ra8 38. Rxa8 Rxa8 39. Rd2 Ke7 $11 {SF16.1}) (35. Nxd5 Bxd5 36. Rxd5 Rxc3 37. Rxd8+ Kf7 38. Rd2 Rc4 $11 {SF16.1}) 35... Kf7 36. Rd4 Ke6 37. f4 g6 $5 {this weakens the K side, the pawn is best left where it is} (37... Bb3 38. f5+ Kf7 39. Rxc8 Rxc8 40. Nxd5 Bxd5 41. Rxd5 Rc3 42. Ra5 Rxa3 $11 {SF16.1}) 38. e4 $14 Bb3 (38... Kf7 39. exd5 Bb5 40. Rh3 (40. Rxc8 Rxc8 41. d6 Ke6 $11) 40... Re8 41. Kh2 Rc4 (41... Kg7 42. d6 $18) 42. Rxc4 Bxc4 43. Rxh6 Kg7 44. Rh3 Re4 45. d6 Rd4 46. Rc3 Be2 $14 {SF16.1}) 39. Rxc8 (39. exd5+ $1 $18 Kf7 (39... Ke7 40. Rc6 Kf7 41. Rxc8 Rxc8 42. d6 $18) 40. Rxc8 Rxc8 41. d6 $18 {SF16.1}) 39... Rxc8 40. Nxd5 (40. exd5+ Kd6 $11) 40... Rc1+ (40... g5 $11) (40... Bxd5 41. exd5+ Kd6 42. Rxa4 Kxd5 43. Ra6 Ke4 44. Rxf6 Ra8 $11 {SF16.1 active K is worth a pawn} 45. Rxg6 Kxf4 46. Rf6+ Kxg4 47. Rf3 h5 {Table bases confirm the position is drawn}) 41. Kf2 Ra1 (41... Bxd5 42. exd5+ Kd6 $11 {is simpler}) 42. Nc7+ Ke7 43. Nb5 Ra2+ 44. Kg3 Rc2 (44... g5 45. f5 Ra1 $11 {SF16.1}) 45. Rd6 Rc5 46. Rb6 Bc2 (46... Be6 47. Rb7+ Bd7 48. Nc7 Rc3+ 49. Kh4 Rxa3 50. Nd5+ Kd6 51. Nxf6 Bc6 52. Rh7 Re3 53. f5 gxf5 54. gxf5 Kc5 $11 {SF16.1}) 47. Nd4 Rc4 48. Nxc2 Rxc2 49. Ra6 Rc3+ 50. Kh4 Rxa3 (50... g5+ {SF16.1} 51. Kh5 (51. fxg5 hxg5+ 52. Kh5 Rxa3 53. Kg6 Ra2 54. Ra7+ Ke6 55. Ra6+ Ke5 56. Rxf6 Rxg2 57. Rf5+ Kxe4 58. Kxg5 a3 $11) 51... gxf4 (51... Rxa3 $2 52. f5 $18) 52. Kxh6 Rxa3 53. Kg6 Rg3 54. Kf5 f3 55. gxf3 Rxf3+ 56. Kg6 a3 $11 57. g5 fxg5 {Sf16.1 confirmed by Tablebases}) 51. f5 gxf5 (51... g5+ 52. Kh5 Ra2 53. Kg6 $18) 52. gxf5 Ra1 $2 {( Draw?) however this is the wrong square for the R!} (52... Ra2 $1 53. Kh5 (53. g4 Rh2+ 54. Kg3 Rh1 $11 (54... Ra2 $2 55. e5 fxe5 56. Rxh6 $18) (54... Re2 55. Rxa4 Re1 $11)) 53... Rxg2 54. Rxa4 Rh2+ 55. Kg6 Rg2+ 56. Kxh6 Rg4 $11 {SF16.1}) (52... Ra1 {Wh could win after the text as the K finds shelter in front of the pawns ( see note to Wh's 33rd move above)} 53. Kh5 $1 Rh1+ 54. Kg6 Ra1 55. e5 $1 (55. Kxh6 $18) (55. Ra7+ Kd6 56. Kxf6 $18) 55... fxe5 56. f6+ Kd8 (56... Kf8 57. Ra8#) 57. f7 Rf1 58. Rf6 Rxf6+ 59. Kxf6 a3 60. f8=Q+) 1/2-1/2
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Annotated by