Candidatos 2018 - R8

 Caruana, Fabiano 5,5 / 8 ( +3 =5 -0 ) 

 Mamedyarov, Shakhriyar 5,0 / 8 ( +2 =6 -0 ) 

 Grischuk, Alexander 4,5 / 8 ( +2 =5 -1 ) 

 Ding, Liren 4,0 / 8 ( +0 =8 -0 ) 

 Karjakin, Sergey 3,5 / 8 ( +1 =5 -2 ) 

 Kramnik, Vladimir 3,5 / 8 ( +2 =3 -3 ) 

 Aronian, Levon 3,0 / 8 ( +1 =4 -3 ) 

 So, Wesley 3,0 / 8 ( +1 =4 -3 )

[Event "World Chess Candidates 2018"] [Site "Berlin"] [Date "2018.03.19"] [Round "8"] [White "Grischuk, Alexander"] [Black "Kramnik, Vladimir"] [Result "1-0"] [ECO "D26"] [WhiteElo "2767"] [BlackElo "2800"] [Annotator "FERCHO"] [PlyCount "181"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 c5 5. e3 dxc4 6. Bxc4 a6 7. Bb3 b5 { LiveBook: 58 Partidas} 8. e4 {[%eval -29,21]} (8. O-O $142 {[%eval 27,22]}) 8... cxd4 $11 9. Nxd4 {La posición está igualada.} Bb7 {[%eval 43,19]} (9... Bc5 $11 {[%eval -28,22]} 10. Be3 Qc7) 10. e5 $14 Ne4 11. O-O {[%eval 8,22]} ( 11. Nxe4 $14 {[%eval 53,21]} Bxe4 12. O-O) 11... Nxc3 12. bxc3 Nc6 13. a4 Bc5 { [%cal Rc6d4]} (13... Nxd4 {seems wilder.} 14. cxd4 b4 15. a5 Be7 16. Qd3 O-O) 14. axb5 (14. Be3 {keeps more tension.} Bxd4 15. cxd4 O-O 16. d5 exd5 17. axb5 axb5 18. Qxd5 Na5 19. Qxb5 Bc6 20. Qb4) 14... axb5 15. Rxa8 Bxa8 16. Nxb5 { Y ahora Cd6+ ganaría.} O-O 17. Qxd8 Rxd8 18. Bf4 h6 19. h4 Ne7 20. Rd1 Rb8 21. Bc4 Bc6 22. Nd4 Be4 23. h5 Nd5 24. Bxd5 Bxd5 25. Be3 Rc8 26. Re1 {[%eval 8,24]} (26. f3 $14 {[%eval 49,20]}) 26... Bc4 27. Nf3 Ba3 28. Bd4 Bd3 29. Nd2 Bb2 30. Nf1 {[%eval 4,30]} (30. Re3 $14 {[%eval 45,21] parece más fuerte.} Bf5 31. Ne4) 30... Rc4 ({Es erróneo} 30... Bxc3 $2 31. Rc1 $18) 31. Re3 Bf5 32. Ng3 Bh7 33. Kh2 Bc1 34. Re2 Bf4 35. Kh3 Ra4 36. Kg4 Bc1 {a continuación ...Ad3 es bueno para Las negras.} 37. Kf3 Bd3 38. Re1 Bb2 39. Ke3 Bc2 40. Kd2 Bb3 41. Rb1 Ra2 42. Kd3 Ba4 43. Ne4 Ba3 {[#] Amenazan ganar con ...Ac2+.} 44. Ke3 Bc2 {[%eval 180,18]} (44... Bb2 $16 {[%eval 104,27]}) 45. Re1 {[%eval 87,25]} (45. Rb8+ $18 {[%eval 180,18]} Kh7 46. g4) 45... Bb3 {[%eval 145,21]} (45... Kf8 $142 { [%eval 87,25]}) 46. g4 {[%eval 88,26]} (46. Rb1 $142 {[%eval 145,21]} Bc4 47. Nd6) 46... Bd5 47. Kd3 Be7 48. Rb1 Ra8 49. f4 Bh4 50. Rh1 Bd8 51. Rb1 Bc7 { [%eval 136,22]} (51... Be7 $142 {[%eval 88,26]}) 52. Ke3 {[%eval 89,25]} ({ Las blancas deberían jugar} 52. Bc5 {[%eval 136,22]}) 52... Kh7 53. Nd6 Kg8 { [%eval 132,21]} (53... f6 $142 {[%eval 88,22]}) 54. Rb5 {[%eval 90,24]} (54. g5 $142 {[%eval 132,21]}) 54... Bc6 55. Rb4 Bd8 56. Bb6 {Esperando por Axd8.} Bh4 57. Bd4 Bg2 58. Rb2 Bc6 59. Rb6 Bg2 60. Rb2 Bc6 61. Rb3 Bg3 62. c4 Bh2 63. f5 exf5 64. Nxf5 {[%eval 27,23]} (64. gxf5 $16 {[%eval 133,21]} f6 65. Rb6 Ra3+ 66. Kd2) 64... Kh7 $11 65. Bb2 Re8 {[%eval 57,21]} (65... Ra2 $11 {[%eval 0,25] }) 66. Nd6 Re7 67. Rb8 f6 68. Rc8 (68. Nf5 $5 {[%cal Rf5e7]} Re6 69. Kf2 $14) 68... Bh1 {[%eval 126,23]} (68... Bd7 $11 {[%eval 8,25] mantiene el equilibrio. } 69. Rc7 fxe5) {[%tqu ]} 69. Nf5 $1 $16 {[%cal Rf5e7]} Rb7 $2 {[%eval 328,26]} (69... Re6 $16 {[%eval 85,25]}) {[%tqu ]} 70. exf6 $2 {[%eval 33,26]} ({ Las blancas tienen que jugar} 70. e6 $1 $18 {[%eval 328,26][%cal Re6e7] Las negras deben ahora evitar e7.} Rb3+ 71. Bc3) 70... Rb3+ $14 71. Bc3 {[%tqu ]} gxf6 $1 72. Kd2 {[%tqu ]} Bf4+ $1 73. Kc2 {[%tqu ]} Rb8 $1 74. Rxb8 Bxb8 { Final RAA-RAC} 75. Ne7 {Las blancas quieren jugar Rd3.} Be4+ {[%eval 55,24]} ( 75... Bf4 $11 {[%eval 8,30] era preferible.}) 76. Kd2 {[#] apuntando a Cd5.} { [%tqu ]} Bf4+ $2 {[%eval 239,22]} (76... Bf3 $1 $14 {[%eval 57,27]}) 77. Ke2 $18 Kg7 {[%tqu ]} 78. Nf5+ $1 Kf7 79. Bd2 Be5 80. Bxh6 Ke6 $2 {[%eval 543,25]} (80... Bc6 {[%eval 274,28] podría funcionar mejor.} 81. Bd2 Ba4) 81. Be3 { [%eval 267,25]} (81. Ke3 $142 {[%eval 543,25]} Bxf5 82. gxf5+ Kxf5 83. Bf8) 81... Bxf5 $2 {[%eval 1405,20]} (81... Kf7 {[%eval 267,25]} 82. Bd2 Bc7) 82. gxf5+ Kxf5 {RA-RA} 83. h6 Kg6 84. c5 {[%cal Bc4c5,Bc5c6,Bc6c7] [#]} f5 85. Kf3 Kf7 86. Bf4 Bd4 87. c6 {Amenazando mate con c7.} Ke7 88. c7 {Las blancas dan mate.} Kd7 89. h7 Kc8 90. Ke2 Kd7 91. Kd3 {[#] Precision: Blancas = 54%, Negras = 39%.} 1-0

[Event "World Chess Candidates 2018"] [Site "Berlin"] [Date "2018.03.19"] [Round "8"] [White "Ding, Liren"] [Black "Aronian, Levon"] [Result "1/2-1/2"] [ECO "E04"] [WhiteElo "2769"] [BlackElo "2794"] [Annotator "asmFishW_2018-02-22_popcnt (5m)"] [PlyCount "81"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] {E04: Apertura Catalana - abierta} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. d4 Bc6 8. dxc5 Nbd7 9. Be3 Bd5 10. Qc2 Be4 11. Qc1 { última jugada del libro} Ng4 12. b4 {[#]} a5 {Las negras amenazan ganar material: a5xb4} 13. Bg5 {Las blancas amenazan ganar material: Ag5xd8} f6 { Las negras amenazan ganar material: f6xg5} 14. Bd2 axb4 15. Bxb4 Nxc5 16. Bxc5 {Las blancas ganan pieza} Rc8 {Las negras amenazan ganar material: Tc8xc5} 17. Qc4 {Las blancas amenazan ganar material: Dc4xe4. Horquilla de las blancas: e6+e4} Bxc5 {Las negras amenazan mate} ({No} 17... Rxc5 18. Qxe6+ Be7 19. Nbd2 $16) 18. Qxe6+ {Horquilla de las blancas: g4} Kf8 {Las negras amenazan mate} 19. Qxg4 Bb4+ 20. Nbd2 Bxd2+ 21. Nxd2 Bxg2 {El Negro atrapa al rey enemigo en el centro} 22. Rg1 {[#]} Bd5 23. Rd1 Qc7 24. Ne4 Rd8 25. f3 {Previene el salto o el avance a e4} Qe5 26. Qf4 Qxf4 27. gxf4 Kf7 28. Nc3 {Las blancas amenazan ganar material: Cc3xd5} Bc4 29. a4 Rxd1+ 30. Kxd1 Rd8+ 31. Kc2 Rc8 32. Kd2 Ba6 33. Ne4 Kf8 34. f5 {[#]} (34. Ra1 $5 $16) 34... Rd8+ $11 35. Ke3 Rd5 {Las negras amenazan ganar material: Td5xf5} 36. Rc1 Rxf5 37. Rc8+ Ke7 38. Rc7+ Kf8 39. Rc8+ Ke7 40. Rc7+ {Dos repeticiones} Kf8 41. Rc8+ {[#]} 1/2-1/2 [Event "World Chess Candidates 2018"] [Site "Berlin"] [Date "2018.03.19"] [Round "8"] [White "So, Wesley"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2799"] [BlackElo "2784"] [Annotator "asmFishW_2018-02-22_popcnt (5m)"] [PlyCount "129"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] {C42: Defensa Petroff} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Qxe2+ 8. Bxe2 g6 9. Bg5 Bg7 {[#] última jugada del libro} 10. O-O-O O-O {El Negro va por delate en el desarrollo.} 11. Rhe1 h6 {Las negras amenazan ganar material: h6xg5} 12. Bh4 Nc6 13. d4 a6 {Controla b5} 14. a3 { Cubre b4} (14. Bxf6 Bxf6 15. Nd5 Bd8 $11) 14... Bd7 (14... g5 15. Bg3 $15) 15. d5 {Las blancas amenazan ganar material: d5xc6} (15. Bxf6 $5 Bxf6 16. Nd5 $11) 15... Na7 $15 16. Nd4 Nc8 17. Nb3 g5 18. Bg3 Re8 19. Na5 b5 20. f3 {[#] Asegura e4+g4} Nh5 21. Bf2 Nf4 {Las negras amenazan ganar material: Cf4xg2} 22. Bf1 Nb6 23. Rxe8+ Rxe8 24. Bxb6 cxb6 25. Nb7 Be5 26. Ne4 {Las blancas amenazan ganar material: Ce4xd6} Rb8 {Las negras amenazan ganar material: Tb8xb7} 27. Nexd6 (27. Nbxd6 $2 f5 $19) 27... Ng6 28. g3 {Consolida f4} Ne7 29. a4 Nf5 30. Nxf5 Bxf5 31. Re1 f6 32. Rxe5 fxe5 {Las negras ganan la calidad} 33. Nd6 { [#] Las blancas amenazan ganar material: Cd6xf5} Bd7 34. axb5 axb5 35. Bxb5 Bxb5 36. Nxb5 {El caballo se siente cómoda en b5} Rf8 37. Kd2 Rxf3 38. Ke2 g4 39. Nd6 h5 40. Nc4 b5 41. Nxe5 Rf5 42. Ng6 Kf7 {Las negras amenazan ganar material: Rf7xg6} 43. Nf4 h4 44. Ng2 (44. b3 $5 $11 {es interesante}) 44... hxg3 $17 45. hxg3 Rf3 {[#]} ({Es inferior} 45... Rxd5 46. Ne3 Rg5 47. Kd3 $11) 46. Ne3 Rxg3 47. c4 bxc4 48. d6 $2 {Un peón fuerte} (48. Nxc4 $5 {tiene algunas virtudes obvias} Kf6 49. d6 $15) 48... Ke6 $17 49. Nxc4 Rf3 50. d7 Rf8 51. Ne3 g3 52. d8=Q Rxd8 53. Kf3 {Las blancas amenazan ganar material: Rf3xg3} Rd3 54. Kf4 Rb3 {Las negras amenazan ganar material: Tb3xb2} 55. Ng2 {[#]} Kd5 56. Nh4 Kc4 57. Kg4 Rd3 58. b4 Rb3 59. b5 Kd5 60. b6 {El Blanco avanza su peón pasado} Ke4 61. b7 Rxb7 62. Kxg3 Rg7+ 63. Kf2 Rg4 64. Ng2 Rxg2+ 65. Kxg2 {[#]} 1/2-1/2 [Event "World Chess Candidates 2018"] [Site "Berlin"] [Date "2018.03.19"] [Round "8"] [White "Mamedyarov, Shakhriyar"] [Black "Karjakin, Sergey"] [Result "1/2-1/2"] [ECO "E05"] [WhiteElo "2809"] [BlackElo "2763"] [Annotator "asmFishW_2018-02-22_popcnt (5m)"] [PlyCount "60"] [EventDate "2018.??.??"] [EventType "tourn"] [EventCountry "GER"] [SourceTitle "playchess.com"] [Source "ChessBase"] {E05: Apertura Catalana - abierta} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 c6 8. a4 b6 {última jugada del libro} 9. Nbd2 { Las blancas amenazan ganar material: Cd2xc4} Bb7 {[#]} 10. Nxc4 c5 {Las negras amenazan ganar material: c5xd4} 11. Rd1 Nbd7 12. b3 Rc8 13. dxc5 Bxc5 {Las blancas tienen una posición activa} 14. Nfe5 Bxg2 15. Kxg2 Qc7 16. Nxd7 Nxd7 17. Qe4 Nf6 {Las negras amenazan ganar material: Cf6xe4} 18. Qf3 Qc6 {[#]} 19. Qxc6 Rxc6 20. f3 {Cubre e4+g4} Rfc8 21. e4 Kf8 22. Bf4 Be7 23. Rd3 Rd8 24. Rxd8+ Bxd8 25. Rd1 Be7 26. Ne5 Rc2+ 27. Rd2 {Las blancas amenazan ganar material: Td2xc2} Rc3 {Las negras amenazan ganar material: Tc3xb3} 28. Rd3 { Las blancas amenazan ganar material: Td3xc3} Rc2+ 29. Rd2 Rc3 {Dos repeticiones } 30. Rd3 Rc2+ {[#]} 1/2-1/2