[Event "IV Abierto Llobregat (4). Sant Boi (Barcelona)"] [Date "2023.12.03"] [White "S. P. Sethuraman (2.603,India)m"] [Black "S. Khademalsharieh (2.481,España)"] [Result "0-1"] [Variant "Standard"] [ECO "D31"] [Opening "Queen's Gambit Declined: Queen's Knight Variation"] [StudyName "LEONTXO GARCIA - 08/12/2023"] [ChapterName "S. P. Sethuraman (2.603,India)m - S. Khademalsharieh (2.481,España)"] [ChapterURL "https://lichess.org/study/rmOeD76C/0RVUOjes"] [Annotator "https://lichess.org/@/carvaflu"] [Orientation "white"] { La nueva española empieza a recoger los frutos de poder entrenarse de nuevo tras varios años convulsos. Su 39º puesto de 216 en el Abierto de Llobregat (ganó el indio Narayanan, y los mejores españoles fueron Daníil Yuffa, Alexéi Shírov y Alan Pichot, todos con 6 puntos, medio más que Khadem) le permite subir, con 5,5 puntos Elo más, al 13º de la lista mundial femenina. Defensa Ragozin (D31): } 1. c4 { [%eval 0.23] } 1... e6 { [%eval 0.3] } 2. Nc3 { [%eval 0.05] } 2... d5 { [%eval 0.12] } 3. d4 { [%eval 0.39] } 3... Bb4 { [%eval 0.32] } 4. cxd5 { [%eval 0.33] } 4... exd5 { [%eval 0.34] } 5. Bf4 { [%eval 0.36] } 5... Nf6 { [%eval 0.54] } 6. e3 { [%eval 0.62] } 6... O-O { [%eval 0.58] } 7. Bd3 { [%eval 0.5] } 7... c5 { [%eval 0.45] } 8. Ne2 { [%eval 0.36] } 8... cxd4! { [%eval 0.46] } (8... Nc6 9. dxc5 Bxc5 10. O-O d4 11. exd4 Nxd4 12. Nxd4 Qxd4 13. Be3 Qe5 14. Bxc5 Qxc5 15. Qf3 { , con un juego más cómodo para las blancas, Sarana-Pichot, relámpago, Titled Tuesday, Chess.com 2023) }) 9. Nxd4 { [%eval 0.39] } 9... Nc6 { [%eval 0.46] } 10. Nxc6 { [%eval 0.38] } (10. O-O Nxd4 11. exd4 Bg4 { ) }) 10... Bxc3+ { [%eval 0.36] } (10... bxc6 11. O-O Bd6 12. Qa4 { , Pelletier-Georgiadis, Campeonato de Suiza 2016) }) 11. bxc3 { [%eval 0.48] } 11... bxc6 { [%eval 0.32] } 12. Qa4 { [%eval 0.35] } 12... c5 { [%eval 0.41] } 13. O-O { [%eval 0.47] } 13... Bd7 { [%eval 0.54] } 14. Qa3 { [%eval 0.57] } 14... c4 { [%eval 0.43] } 15. Bc2 { [%eval 0.52] } 15... Qc8 { [%eval 0.77] } 16. Rab1?! { [%eval 0.13] } { Inaccuracy. Be5 was best. } (16. Be5 Bf5 17. Bxf5 Qxf5 18. Bxf6 Qxf6 19. Rfd1 { habría una clara ventaja blanca) } (19. Rad1 Rfd8 20. Rd4 Rab8 21. g3 h6 22. Rfd1 Qf3)) 16... Bf5 { [%eval 0.17] } 17. Bxf5 { [%eval 0.16] } 17... Qxf5 { [%eval 0.11] } 18. Rb7 { [%eval 0.08] } 18... Qd3 { [%eval 0.25] } 19. Be5 { [%eval 0.33] } 19... Ng4?! { [%eval 1.03] } { Inaccuracy. Ne4 was best. } (19... Ne4 20. Bd4 h5 21. Qb2 Rae8 22. h3 Re6 23. Re1 a6 24. Qe2 Nd6 25. Qxd3 cxd3 26. Rd7) 20. Bg3?! { [%eval 0.17] } { Inaccuracy. Bd4 was best. } (20. Bd4) 20... Rfe8 { [%eval 0.07] } 21. Qc1 { [%eval 0.0] } 21... Nf6 { [%eval 0.03] } 22. Rd1 { [%eval 0.1] } 22... Qf5 { [%eval 0.0] } 23. Qb2 { [%eval 0.0] } 23... h5 { [%eval 0.0] } 24. Rd4 { [%eval -0.06] } 24... a6 { [%eval 0.0] } { (aunque la estructura blanca de peones es mejor, las negras tienen una posición sólida) } 25. Rf4 { [%eval 0.0] } 25... Qd3 { [%eval 0.39] } 26. Rd4 { [%eval 0.0] } 26... Qf5 { [%eval 0.0] } 27. Rf4 { [%eval 0.0] } 27... Qd3 { [%eval 0.4] } 28. Rd4 { [%eval 0.0] } 28... Qf5 { [%eval 0.0] } 29. Bf4?! { [%eval -0.78] } { Inaccuracy. Rf4 was best. } { (Sethuraman rechaza el empate, pero ahora será Khadem quien juegue a ganar) } (29. Rf4) 29... Ne4?! { [%eval 0.0] } { Inaccuracy. g5 was best. } (29... g5) 30. Qc2?! { [%eval -1.07] } { Inaccuracy. h4 was best. } { (diagrama) } (30. h4 Nc5 31. Qb1 Qxb1+ 32. Rxb1 Rad8 33. f3 Rd7 34. Kh2 Na4 35. Rc1 Nc5) 30... g5! { [%eval -0.71] } 31. f3 { [%eval -0.89] } { (única para no perder material) } 31... gxf4 { [%eval -0.91] } 32. fxe4 { [%eval -0.74] } 32... Rxe4 { [%eval -0.92] } 33. Rd1? { [%eval -2.56] } { Mistake. Re7 was best. } (33. Re7) 33... fxe3 { [%eval -2.59] } 34. Rf1 { [%eval -2.81] } 34... Qg6 { [%eval -2.88] } 35. Qe2 { [%eval -3.0] } 35... f5 { [%eval -2.53] } 36. Rd7 { [%eval -2.49] } 36... Qg4? { [%eval -1.07] } { Mistake. Re5 was best. } (36... Re5 37. Rb7 Qg4 38. Rf3 f4 39. h3 Qg5 40. Rb6 h4 41. Rf1 a5 42. Rb7 Rf8 43. a4) 37. Rf3?! { [%eval -1.92] } { Inaccuracy. Qb2 was best. } (37. Qb2 Rae8 38. Qb7 R4e5 39. Rxd5 e2 40. Re1 Qe4 41. Qb6 Kf7 42. Rd7+ R8e7 43. Rd2 Qf4) 37... f4 { [%eval -1.63] } 38. Rxd5 { [%eval -1.73] } 38... Rb8! { [%eval -1.81] } { (tras devolver uno de los dos peones de ventaja, las negras disponen de una posición ganadora) } 39. h3 { [%eval -1.9] } 39... Qg6? { [%eval -0.51] } { Mistake. Rb1+ was best. } (39... Rb1+ 40. Kh2 Qg6 { ) }) 40. h4? { [%eval -2.17] } { Mistake. Rf1 was best. } (40. Rf1 Rb5 41. Rfd1 Re8 42. Rd6 Qf7 43. Rd7 f3 44. Qxf3 Qxf3 45. gxf3 Rf5 46. Kg2 Ra5) 40... Rb5 { [%eval -2.16] } 41. Rd8+ { [%eval -2.41] } 41... Kg7 { [%eval -2.34] } 42. Rd7+ { [%eval -2.69] } 42... Kh6 { [%eval -2.73] } 43. Rf1 { [%eval -2.62] } 43... Qg4 { [%eval -2.42] } 44. Qc2?! { [%eval -3.34] } { Inaccuracy. Qd1 was best. } (44. Qd1 Qxd1) 44... Rbe5 { [%eval -3.88] } 45. Qd1 { [%eval -3.83] } 45... Re6 { [%eval -4.18] } 46. Re1? { [%eval -7.21] } { Mistake. Qf3 was best. } (46. Qf3 e2 47. Re1 Qxh4 48. Qf2 Qg3 49. Rd8 Qxc3 50. Rf8 Qe5 51. Rc8 c3 52. Qf3 Re3) 46... Rg6?! { [%eval -4.82] } { Inaccuracy. Qxh4 was best. } (46... Qxh4 47. Rd6 Qf2+ 48. Kh2 Qg3+ 49. Kg1 f3 50. Rxe6+ Rxe6 51. Qxf3 Qxe1+ 52. Kh2 Qh4+ 53. Kg1) 47. Qxg4 { [%eval -4.79] } 47... hxg4 { [%eval -4.8] } 48. Rf7 { [%eval -4.92] } 48... Rd6 { [%eval -4.84] } 49. Rb1 { [%eval -5.61] } 49... Kh5 { [%eval -5.74] } 50. Rh7+ { [%eval -6.59] } 50... Kg6 { [%eval -5.8] } 51. Rbb7?! { [%eval -11.85] } { Inaccuracy. Rhb7 was best. } (51. Rhb7 f3 52. g3 Ree6 53. R7b2 Kf5 54. Re1 Rd3 55. Rbb1 f2+ 56. Kf1) 51... e2 { [%eval -10.41] } 52. Rbg7+?! { [%eval #-12] } { Checkmate is now unavoidable. Rhg7+ was best. } (52. Rhg7+ Kf5) 52... Kf5? { [%eval -7.52] } { Lost forced checkmate sequence. Kf6 was best. } (52... Kf6 53. Rxg4 Rd1+ 54. Kh2 e1=Q 55. Rh6+ Ke7 56. Rh7+ Kd6 57. Rh6+ Kd5 58. Rh5+ Re5 59. Rxf4) 53. Rg5+ { [%eval -7.1] } 53... Ke6 { [%eval -7.26] } 54. Rh6+ { [%eval -7.95] } 54... Kd7 { [%eval -7.52] } 55. Rg7+ { [%eval -12.17] } 55... Kc6 { [%eval -7.85] } { , y Sethuraman se rindió. } { PRECISÃO: BRANCAS 89% PRETAS 93% } 0-1