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Oswestry Chess Club
[Event "Darwinian Knights B - Oswestry B"] [Site "Salop Unison Club, Shrewsbury"] [Date "2025.03.11"] [Round "Bd 1"] [White "Fisher, Peter S"] [Black "Jeukens, Nathan"] [Result "1-0"] [Annotator "Van Kemenade,Rudy"] [ECO "B90"] [WhiteElo "1602"] [BlackElo "1624"] [PlyCount "125"] [GameId "2154694632815778"] [EventDate "2025.03.11"] {[%evp 0,125,17,21,14,36,19,24,19,13,11,16,82,15,24,23,22,10,23,0,0,-14,9,0,6,-34,-41,-55,-14,-7,5,-59,-64,10,-9,6,-18,42,33,3,-2,-32,91,-59,-24,-24,-27,-33,3,24,23,66,49,-40,-22,-30,-17,-102,102,114,244,104,235,118,237,215,211,259,319,203,286,238,331,352,153,315,428,328,554,572,601,679,694,792,1084,1187,1448,799,756,836,884,552,641,491,557,556,483,519,603,542,532,524,611,626,430,607,659,677,653,625,594,654,660,520,645,716,892,958,1410,1459,1459,1489,2200,732,1489,2200,29983,2200]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 $6 {[%eval 23,17] weakens the Wh Q side a little, but then there are some compensating tactics, and prevents a lot of play based on Bl's normal ...b5 ideas. Has been played by Carsen a number of times, as well as other elite GMs-vk} (6. Bg5 {[%eval 53,14]} e6 7. Be2 Be7 8. O-O O-O 9. f4 e5 10. fxe5 dxe5) 6... e5 7. Nf3 Be7 8. h3 $6 {[%eval -3,15]} (8. Be2 {[%eval 24,14]} Be6 9. Ng5 O-O 10. O-O Qc7 11. Be3 Nbd7 12. Qd2 Qc6 13. Rfd1 Rfc8 14. Nxe6 fxe6 15. f3 Nc5) (8. Bc4 {main, aiming to keep control over d5.} O-O 9. O-O Be6 10. Qe2 Qc7 11. Bb3 {Still elite GM , with Kamsky main supporter-vk}) 8... h6 $6 {[%eval 23,14]} (8... Be6 {[%eval -3,15]} 9. Bd3 Nc6 10. O-O O-O 11. Ng5 Nb4 12. Be3 Rc8 13. a5 Nxd3 14. cxd3 d5 15. exd5 Bxd5) 9. Be3 Be6 10. Be2 Nbd7 11. O-O O-O $11 {51 games, 28% for Wh} 12. Qd2 {main} (12. Nh2 $11 {Cloud Engines; 3-0-3}) 12... Rc8 13. Rfd1 Qc7 14. Ne1 (14. Nh2 $11 {Cloud Engines}) 14... Nc5 {SF12} ({added by vk} 14... Nb6 $11 15. a5 Nc4 16. Bxc4 Qxc4 17. Qd3 Rfd8 18. Nd5 Nxd5 19. exd5 Qxd3 20. Rxd3 Bf5 21. Rd2 Rd7 22. c3 Bh7 23. Ra4 g5 24. g4 f5 25. f3 Bf6 26. Nc2 Re8 27. Bf2 e4 28. fxe4 fxg4 29. hxg4 Rde7 30. Rb4 Rxe4 31. Rxe4 Rxe4 32. Ne3 Be5 33. Kg2 Bg6 34. Rd1 Bf4 35. Kf3 h5 36. Rd4 Rxd4 37. cxd4 h4 38. Nf1 Bd3 {0-1 Stefanski,P (2160)-Renet,O (2535) FRA France 1993}) (14... Rfd8 $11 {added by vk} 15. a5 Nc5 16. Bf3 d5 17. exd5 e4 18. Bxc5 Bxc5 19. Nxe4 Nxd5 20. Nxc5 Qxc5 21. Qd4 Qb5 22. Qe5 Rd7 23. b3 Nc3 24. Qxb5 Rxd1 25. Rxd1 axb5 26. Rd6 Rc7 27. Rb6 Bc8 28. Nd3 Kf8 29. Nb4 Ke7 30. Nd5+ Nxd5 31. Bxd5 Rxc2 32. Bxb7 Bd7 33. a6 Ra2 34. Bc6 Bxc6 35. Rxc6 Kd7 36. Rb6 g6 37. g4 Ra3 38. Kg2 Rxb3 39. a7 Ra3 40. Rb7+ Ke6 41. h4 b4 42. f3 b3 43. Kg3 b2 44. g5 h5 45. Rb6+ Ke5 46. Rxb2 Rxa7 47. Rb6 Re7 48. Rf6 Ra7 49. Rb6 Rc7 50. f4+ Ke4 51. Rb4+ Kd5 52. f5 Rc3+ 53. Kg2 gxf5 54. Rb7 Ke5 55. Rxf7 Kf4 56. g6 Rg3+ 57. Kh2 Rxg6 58. Ra7 Re6 59. Rg7 Ke4 60. Rh7 Ke3 61. Rxh5 f4 62. Rf5 Re4 63. Kg2 Re6 64. h5 Ke4 {½-½ Peixoto,R (1932)-Alves da Silva,T (1991) Florianopolis op 7th 2021 (2)}) 15. f3 Rfd8 16. Nd5 Bxd5 17. exd5 Re8 18. b4 Ncd7 19. c4 $11 {both sides have chances-Wh on the Q side, Bl on the K side-vk} Nh5 20. Kh2 $6 {[%eval -36,14]} (20. Bd3 {[%eval 0,14]} Ng3 21. Rac1 Qd8 22. Qf2 Bh4) (20. c5 Ng3 21. c6 Nxe2+ 22. Qxe2 bxc6 23. Qxa6 c5 24. Nd3 Bg5 $11 {SF17}) 20... f5 (20... Bh4 $15 {SF17-vk}) 21. g4 $6 {[%eval -49,16]} (21. c5 {[%eval -18,13]} Bh4 22. Rac1 Bg3+ 23. Kh1 f4 24. Bg1 {SF17 rates this as a definite plus for Wh-vk}) 21... fxg4 22. hxg4 Nf4 23. Bf1 Qd8 $6 {[%eval 0,10]} (23... Rf8 {[%eval -50,10]} 24. Ng2 Bg5 25. a5 Qd8 26. c5 dxc5 27. d6 Qf6 28. bxc5 Qf7 (28... Kh8 $11 {SF17}) 29. Bxf4 {SF17 rates this variation as a definite plus for Wh}) 24. Ng2 $6 {[%eval -40,12]} (24. c5 {[%eval 0,10]} dxc5 25. d6 Bh4 26. Ng2 cxb4 27. Qxb4 Bg5 28. Qxb7 Kh8 29. Qb3 (29. Rac1 $16 {SF17})) 24... Nxg2 $6 {[%eval 1,16]} (24... Bg5 {[%eval -40,12]} 25. Rac1 Nxg2 26. Kxg2 Bxe3 27. Qxe3 e4 28. fxe4 Nf6 29. Bd3 Nxg4 30. Qf4 Ne5 31. c5 Qd7 32. a5) 25. Kxg2 Bg5 26. Bd3 Bxe3 27. Qxe3 e4 28. Bxe4 Ne5 $2 {[%eval 103,15]} (28... Rxc4 {[%eval -5,14]} 29. Bh7+ Kf8 30. Qd2 Qg5 31. Qxg5 {[= SF17 -vk]}) 29. c5 Qe7 $6 {[%eval 195,15]} (29... Qf6 {[%eval 132,14]}) 30. Rac1 $6 {[%eval 100,14] Wh is winning on the Q side, while Bl's attack on the K side has stalled} (30. Bf5 {[%eval 195,15]} Rcd8 31. f4 Ng6 32. Qxe7 Nxe7 33. Be6+ Kh8 34. Kg3 Kh7 35. Rac1 Ng6 36. Bf7 Nxf4 37. Bxe8 {SF17 gives this line as winning for Wh-vk}) 30... Qd8 $2 {[%eval 224,14]} (30... Nxg4 {[%eval 100,14]} 31. Qf4 Ne5 32. Qf5 Nf7 33. Re1 Rc7 34. c6 Qh4 35. Qg6 Re5 36. cxb7) 31. Kg3 $2 {[%eval 107,12]} (31. Bf5 {[%eval 224,14] [best according to SF17 as well-vk]} Rc7 32. Re1 Rce7 33. Be6+ Nf7 34. Bxf7+ Kxf7 35. Qf4+ Kg8 36. Rxe7 Qxe7 37. cxd6 Qh4 38. Qc4 Qg5 39. Rc2 Qd8 40. Qc7) 31... Kh8 $6 {[%eval 165,14]} (31... Ng6 {[%eval 107,12]} 32. Rh1 Qf6 33. f4 Rc7 34. cxd6 Qxd6 35. Rxc7 Qxc7 36. Qf3 Qd6 37. Bd3 Qf6) 32. Rh1 {The Wh pieces are far more active and winning-vk} Nf7 33. Qf4 Qe7 $6 {[%eval 277,16]} (33... Rc7 {[%eval 175,15]} 34. a5 Rf8 35. Bf5 Re7 36. Qd4 Rfe8 37. Bg6 Kg8) 34. Bf5 Rcd8 35. c6 Qc7 $6 {[%eval 381,17]} (35... bxc6 {[%eval 240,15]} 36. dxc6 Qc7 37. Qd4 Re7) 36. b5 axb5 37. axb5 b6 38. g5 {Wh opens a second front- there are many ways to break through-vk} Re2 $2 {[%eval 761,16]} (38... Ne5 {[%eval 344,15]} 39. Be4 Rf8 40. Qe3 Qe7 41. gxh6 g5 42. Qxb6 Rb8 43. Qa5 g4 44. f4) 39. Be6 Rxe6 $6 {[%eval 1125,18]} (39... Nxg5 {[%eval 885,17]} 40. Qxg5) 40. dxe6 Ne5 41. gxh6 Ng6 42. Qg5 d5+ 43. f4 Rf8 44. hxg7+ Kxg7 45. Rcf1 Qd6 46. e7 $6 {[%eval 789,16] SF17 actually prefers this -vk} (46. Qh6+ {[%eval 1280,15]} Kf6 47. Re1 Re8 48. Rh5 Qxf4+ 49. Qxf4+ Nxf4 50. Kxf4 Ke7 51. Rxd5) 46... Qxe7 47. Qxe7+ Nxe7 48. Rh5 Ra8 $6 {[%eval 669,16]} (48... Nf5+ {[%eval 578,17]} 49. Kf3 Kg6 50. Rfh1 Ra8 51. Rg5+ Kf6 52. Rhh5 Ra3+ 53. Kf2 Ra2+ 54. Ke1 Ne7 55. Rh8 Ra1+ 56. Kf2 Ra2+ 57. Kf3) 49. Re5 Kf6 50. Rfe1 Rg8+ $6 {[%eval 801,20]} (50... Nf5+ {[%eval 602,18]} 51. Kf3 Ra3+ 52. Kf2 Ra4 53. Rxd5 Rxf4+ 54. Ke2 Ke6 55. Rd8 Nd6 56. Kd3+ Kd5 57. Rc1 Rd4+ 58. Ke3 Re4+ 59. Kf3 Ke5 60. c7 Rf4+ 61. Kg3 Re4 62. Rc6) 51. Kf2 Ng6 52. Rxd5 (52. Re8 {SF17-vk}) 52... Nxf4 $6 {[%eval 1003,19]} (52... Rc8 {[%eval 804,16]} 53. Kf3 Rg8 54. Red1 Ne7 55. Rd8) 53. Rd6+ Kf5 54. Re7 $6 {[%eval 665,17]} (54. c7 {[%eval 957,18]} Nh3+ 55. Kf1 Rc8 56. Rc1) 54... Rg2+ $6 {[%eval 1015,20]} (54... Ng6 {[%eval 665,17]} 55. Rb7 Ke5 56. Rdd7 Ke6 57. Rxb6 Rf8+ 58. Ke1 Ne5 59. Rdb7 Nxc6 60. bxc6) 55. Kf3 Rc2 56. Rdd7 $6 {[%eval 608,13]} (56. c7 {[%eval 1015,18]} Rc3+ 57. Kf2 Rc2+ 58. Ke3 Kg4 59. Kd4 Rd2+ 60. Kc3 Rxd6 61. c8=Q+ Kg5 62. Re5+) 56... Rc3+ $6 {[%eval 999,17] Wh is winning comfrtably, whatever Bl tries-vk} (56... Ng6 {[%eval 608,13]} 57. Rd5+ Kf6 58. Rb7 Ke6 59. Rd4 Ne5+ 60. Kf4 Rc4 61. Re4) 57. Re3 Rxe3+ $4 {[%eval 32730,16]} (57... Rc5 {[%eval 998,19]}) 58. Kxe3 Ne6 59. c7 Nxc7 60. Rxc7 Ke5 61. Kd3 Kd6 62. Rc6+ Kd5 63. Kc3 1-0
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Annotated by