[Event "Candidates Tournament"]
[Site "Ekaterinburg"]
[Date "2021.04.23"]
[Round "11"]
[White "Grischuk, Alexander"]
[Black "Vachier Lagrave, Maxime"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2777"]
[BlackElo "2767"]
[Annotator "Edouard, Romain"]
[PlyCount "95"]
[EventDate "2020.03.15"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "RUS"]
[EventCategory "21"]
[SourceTitle "CBM 202"]
[Source "ChessBase"]
[SourceDate "2021.05.27"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.27"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bh6 7. f4 Nf6 (7...
f5 $5 {has been more fashionable recently.}) 8. Bb2 e5 9. Nge2 $5 $146 {
A novelty! White usually plays 9.g3.} O-O 10. O-O-O Be6 (10... Nd4 11. Kb1 Bg4
{happened through another move order in an online game, but after} 12. Qe1 $1
$146 {potencially followed by h3, White would have been clearly better.}) 11.
Kb1 a5 12. a4 Qb6 (12... Ng4 $5 {with ideas like} 13. Re1 Nb4 14. h3 Nf2 15.
Rh2 Rc8 $1 16. g3 Nxe4 {was the engine's suggestion - potencially a good one!})
13. h4 Rac8 14. h5 Nxh5 15. g3 Nb4 16. Bh3 Bxh3 {Releasing the tension.} (16...
Rc6 {would lead to a total mess; White's next move could very well be 17.Bf5!})
17. Rxh3 Bg7 ({The engine's move} 17... Qf2 {could lead to fun perpetuals.} 18.
Rdh1 (18. g4 Bxf4 $17) 18... Bg7 (18... exf4 $5 19. g4 f3 20. Qxh6 fxe2 21.
Nxe2 Rxc2 22. R3h2 Rxb2+ 23. Kxb2 Qf6+ 24. Ka3 Nc2+ 25. Ka2 Nb4+ $11) 19. g4
Nf6 (19... Nxf4 20. R3h2 Qf3 21. Nxf4 Qxf4 {probably followed by ...h6 is
possible as well.}) 20. Qc1 Nxg4 21. Rxh7 Qe3 22. Qe1 Qf2 23. Qd2 Qe3 $11) 18.
g4 Nf6 $1 (18... Nxf4 $2 19. Nxf4 exf4 20. Qxf4 $16) 19. g5 Nh5 $2 (19... Ng4 {
seemed to be better, with some crazy lines to follow, e.g.} 20. Rf1 (20. Rc1 $5
) 20... Nf2 21. Re3 Ng4 22. Rg3 f5 $1 23. exf5 gxf5 24. Nd5 Rxc2 25. Qxc2 Nxd5
26. Qd2 Nb4 {with a playable position for Black.}) 20. f5 Rfd8 21. f6 Bf8 22.
Ng3 d5 $1 (22... Nf4 $2 23. Rxh7 Kxh7 24. Qh2+ Kg8 25. Rh1 $18) 23. exd5 $1 (
23. Nxh5 {doesn't win for amazing reasons:} dxe4 24. Qe2 Rxd1+ 25. Qxd1 Qf2 $3
26. Ng7 Qg2 27. Rh1 e3 $44) 23... Nxg3 24. Rxg3 h5 {Desperation, I suppose.}
25. Qe2 $2 {White plans to win the game with a future sac on h5, but MVL is
gonna prove that things are not so simple.} (25. gxh6 Qxf6 {was surely Black's
idea, but Black just stands between +2 and +3 after almost any natural move.})
25... Rc5 26. Rh3 Nxd5 27. Nxd5 Rcxd5 28. Rdh1 Qd6 29. Ka2 (29. Rxh5 Rd1+ 30.
Ka2 {transposes.}) 29... Rd1 30. Rxh5 $1 gxh5 31. Rxh5 ({Grischuk had to find}
31. Rh3 $1 {in order to keep a serious edge:} Ra1+ $8 (31... Qe6 32. Rxh5 $18)
32. Bxa1 Qd1 33. Qxd1 Rxd1 34. Bxe5 $16) (31. Rh4 $2 Rd4 $1 {and now after} 32.
Bxd4 $2 Qa3+ 33. Kb1 Rxd4 {there is no Qxh5 any more!}) 31... Rd4 32. Rh1 Rxa4+
33. Kb1 Qd5 $6 ({A pity, after} 33... Rh4 $3 {Black had solved all of his
problems:} 34. Rxh4 Qd1+ 35. Qxd1 Rxd1+ 36. Ka2 Rd2 $11) 34. Qh5 Qxh1+ 35. Qxh1
Rg4 36. Bxe5 Rxg5 $2 (36... b5 $5 {or 36...Re8 were better choices.}) 37. Qxb7
{Now Black is in huge trouble again.} Rd2 38. Bc3 Re2 39. Qc8 Rg1+ 40. Kb2 Rgg2
41. Bxa5 {Forcing a lost endgame for Black.} Rxc2+ 42. Qxc2 Rxc2+ $2 ({At
first, the engine gives} 42... Ba3+ {as a draw. Everyone around started to
scream "What an awful blunder by MVL.". Not only "blunder" wouldn't be the
appropriate word for "missing an hidden opportunity", but the endgame was lost
anyway:} 43. Kb1 Rxc2 44. Kxc2 Kf8 45. Kc3 $1 Bc1 46. Bb4+ Ke8 47. Kc4 Kd7 48.
Kb5 Bb2 49. Be7 Kc7 50. Ka6 Be5 51. b4 Bb2 52. b5 Bd4 53. Bb4 $1 Bxf6 54. b6+
$18) 43. Kxc2 {Now the black king has to travel the other way around and the
endgame is hopeless. A pity for MVL who once again had shown amazing active
defencive skills.} Kh7 44. Kd3 Kg6 45. Bc3 Kf5 46. Kc4 Ke6 47. b4 Bd6 48. b5
1-0
[Event "FRA-chT Top 12"]
[Site "Brest"]
[Date "2019.05.19"]
[Round "2.1"]
[White "Lagarde, Maxime"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2600"]
[BlackElo "2595"]
[PlyCount "188"]
[EventDate "2019.05.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Nice-Alekhine"]
[BlackTeam "Vandoeuvre echecs"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "FRA"]
[TimeControl "40/5400+30:1800+30"]
1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:
00:09]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:19]} 4. Qxd4 {[%emt 0:00:00]
Les deux adversaires s'étaient affrontés sur cette variante à Brest en 2018}
Nc6 {[%emt 0:00:41] L'allemand change le premier} (4... a6 5. b3 Nc6 6. Qd2 Nf6
7. Bb2 e6 8. O-O-O Be7 9. f3 b5 10. Kb1 Bb7 11. g4 h6 12. Qe3 Nd7 13. f4 Qb6
14. Qe1 Rg8 15. Nf3 g5 16. Nd5 exd5 17. exd5 gxf4 18. dxc6 Qxc6 19. Be2 Rxg4
20. Rf1 Rg2 21. Bd3 Nc5 22. Bf5 Ne6 23. Nd4 Nxd4 24. Rxd4 f3 25. Be4 Qc7 26.
Rxf3 Bxe4 27. Qxe4 Rc8 28. Bc3 Qd7 29. Rxf7 Rg1+ 30. Kb2 Rxc3 31. Rh7 Rc5 32.
Qa8+ Qc8 33. Rh8+ Bf8 34. Qe4+ {Lagarde,M (2604)-Donchenko,A (2587) Brest 2018
1/2-1/2}) 5. Qd2 {[%emt 0:00:50]} g6 {[%emt 0:00:56]} (5... Nf6 6. b3 e6 7. Bb2
d5 8. exd5 exd5 9. O-O-O Be6 10. Kb1 Qa5 11. Nb5 Qxd2 12. Rxd2 Ne4 13. Re2
O-O-O 14. f3 a6 15. Nd4 Nxd4 16. Bxd4 Bc5 17. Bxc5 Nxc5 18. Rd2 Rhe8 19. Ne2
Bf5 20. Kb2 Ne6 21. g4 Bg6 22. h4 h6 23. Bg2 d4 24. Rhd1 d3 25. cxd3 Nd4 26.
Nxd4 Rxd4 27. Kc3 Red8 28. h5 Bh7 29. Bf1 Rf4 30. Be2 f5 31. Rg1 Rd7 32. g5 Rh4
33. gxh6 gxh6 34. d4 Rxh5 35. Bc4 {Nakamura,H (2761)-Vachier Lagrave,M (2780)
Abidjan 2019 1-0}) 6. b3 {[%emt 0:00:09]} Bh6 $5 {[%emt 0:00:23]} (6... Bg7) 7.
f4 {[%emt 0:00:13]} f5 $5 {[%emt 0:01:36]} (7... Nf6) 8. Bd3 $146 {[%emt 0:12:
59] Le français avait probablement préparé uniquement 7. Nf6 et il commence
à réfléchir} (8. Bb2 Nf6 9. Bd3 Qa5 10. exf5 Bxf5 11. Nge2 Bxd3 12. Qxd3 Nb4
13. Qd2 Rc8 14. a3 Nc6 15. O-O-O O-O 16. Kb1 Bg7 17. h3 b5 18. Rhe1 b4 19. axb4
Nxb4 20. Nd4 Nfd5 21. Na4 e5 22. fxe5 dxe5 23. c3 exd4 24. cxb4 Nxb4 25. Qe2
Nc2 26. Qe6+ Kh8 27. Rf1 Rfe8 28. Qd7 Rcd8 29. Qb7 Rb8 30. Qd7 Red8 31. Qe7 Ne3
32. Rf7 Nf5 33. Qxa7 Qd5 34. Rxg7 Nxg7 35. Rxd4 Qg8 36. Rxd8 Rxd8 37. Nc5 Re8 {
Nakamura,H (2769)-Grischuk,A (2766) Leuven 2018 1-0}) 8... fxe4 {[%emt 0:11:03]
} 9. Bxe4 {[%emt 0:01:19]} Nf6 {[%emt 0:01:16]} 10. Bxc6+ {[%emt 0:04:03]} bxc6
{[%emt 0:00:17]} 11. Bb2 {[%emt 0:01:17]} O-O {[%emt 0:08:18]} 12. Nge2 {
[%emt 0:00:14]} e5 {[%emt 0:13:34]} 13. O-O-O {[%emt 0:00:47]} d5 $132 {
[%emt 0:00:55][%csl Gd5,Ge5]} 14. Kb1 {[%emt 0:00:20]} Ng4 {[%emt 0:11:01]} 15.
Na4 {[%emt 0:05:11]} d4 {[%emt 0:06:34]} (15... Nf2 16. Bxe5 $13) 16. Qb4 {
[%emt 0:11:21]} Ba6 $1 {[%emt 0:02:50] Les pièces Noires sont plus actives}
17. Nxd4 $5 {[%emt 0:11:00] Les Blancs sentent qu'ils ont raté l'ouverture et
ils tentent de pêcher en eaux troubles.} exd4 {[%emt 0:00:23]} 18. Rxd4 $44 {
[%emt 0:00:34][%csl Gb2,Rg8]} Qc7 {[%emt 0:06:32]} 19. Nc5 {[%emt 0:03:49]} Bc8
{[%emt 0:01:26]} 20. Re1 {[%emt 0:11:22]} (20. Qc4+ Qf7 (20... Rf7 $2 21. Re1))
20... Nf6 {[%emt 0:04:56]} 21. g3 {[%emt 0:15:35]} Bg7 {[%emt 0:03:48]} 22.
Qc4+ {[%emt 0:07:18]} Kh8 {[%emt 0:03:40]} (22... Qf7 $15) 23. Ne6 {[%emt 0:07:
09]} Bxe6 {[%emt 0:01:22]} 24. Rxe6 {[%emt 0:00:02]} Rae8 {[%emt 0:03:06]} 25.
Rdd6 {[%emt 0:00:55]} Rxe6 {[%emt 0:01:06]} 26. Rxe6 {[%emt 0:00:04]} c5 {
[%emt 0:05:34]} 27. a4 {[%emt 0:02:13]} Qf7 {[%emt 0:01:09]} 28. a5 {[%emt 0:
01:53]} Rd8 {[%emt 0:03:16]} 29. Ra6 {[%emt 0:03:19] Les Blancs n'ont plus
qu'une mn pour passer le contrôle de temps} Nd5 $6 {[%emt 0:07:14]} (29...
Qxc4 30. bxc4 Rd7 $17 31. Rc6) 30. Qxc5 {[%emt 0:00:03]} Bxb2 {[%emt 0:00:07]}
31. Kxb2 {[%emt 0:00:01]} Qg7+ {[%emt 0:00:06]} 32. c3 $2 {[%emt 0:00:03]
Joué à tempo alors que les Blancs avaient 1m30 à la pendule} (32. Ka2) 32...
Nxc3 {[%emt 0:00:13]} 33. Qe5 {[%emt 0:00:05]} Qxe5 {[%emt 0:01:14]} 34. fxe5 {
[%emt 0:00:03]} Nb5 {[%emt 0:00:11]} 35. b4 {[%emt 0:01:13]} Re8 {[%emt 0:00:
51]} 36. e6 {[%emt 0:01:55]} Kg7 {[%emt 0:00:36]} 37. Kb3 {[%emt 0:00:37]} Kf6
{[%emt 0:00:24]} 38. Kc4 {[%emt 0:00:17]} Rb8 {[%emt 0:00:10]} 39. Rc6 {
[%emt 0:00:27]} Ke7 {[%emt 0:01:43]} 40. Kd5 {[%emt 0:00:45]} h5 {[%emt 0:00:
27]} 41. h4 {[%emt 0:30:31]} Rf8 {[%emt 0:03:48]} 42. Rc4 {[%emt 0:00:00]} Rd8+
{[%emt 0:01:42]} 43. Ke5 {[%emt 0:00:00]} Rd6 {[%emt 0:00:19]} 44. g4 {[%emt 0:
00:00]} Rxe6+ {[%emt 0:00:45]} 45. Kd5 {[%emt 0:00:00]} Kd7 {[%emt 0:02:28]}
46. gxh5 {[%emt 0:00:00]} gxh5 {[%emt 0:00:15]} 47. Rc1 {[%emt 0:00:00]} Rg6 {
[%emt 0:07:15]} 48. Rf1 {[%emt 0:00:00]} Nd6 {[%emt 0:01:41]} 49. Rf8 {[%emt 0:
00:00]} Rh6 {[%emt 0:07:16]} 50. Rf1 {[%emt 0:00:00]} Rh7 {[%emt 0:01:32]} 51.
Rf6 {[%emt 0:00:00]} Ne8 {[%emt 0:00:04]} 52. Rf5 {[%emt 0:00:00]} Nc7+ {
[%emt 0:00:45]} 53. Kc5 {[%emt 0:00:00]} Ne6+ {[%emt 0:00:05]} 54. Kd5 {
[%emt 0:00:00]} a6 {[%emt 0:01:44]} 55. Rf6 {[%emt 0:00:00]} Re7 {[%emt 0:01:
30]} 56. Rf5 {[%emt 0:01:33]} Rg7 {[%emt 0:00:03]} 57. Ke5 {[%emt 0:01:14]} Rh7
{[%emt 0:00:40]} 58. Kd5 {[%emt 0:02:43]} Nc7+ {[%emt 0:00:06]} 59. Kc5 {
[%emt 0:00:54]} Rh6 {[%emt 0:00:13]} 60. Rf7+ {[%emt 0:00:29]} Kc8 {[%emt 0:00:
02]} 61. Rf8+ {[%emt 0:00:31]} Kb7 {[%emt 0:00:02]} 62. Rf5 {[%emt 0:00:03]}
Rh8 {[%emt 0:01:32]} 63. Re5 {[%emt 0:00:46]} Rh7 {[%emt 0:02:38]} 64. Rf5 {
[%emt 0:00:09]} Nb5 {[%emt 0:00:28]} 65. Rg5 {[%emt 0:01:56]} Rh6 {[%emt 0:00:
27]} 66. Rf5 {[%emt 0:01:12]} Rc6+ {[%emt 0:02:15]} 67. Kd5 {[%emt 0:00:02]}
Rd6+ {[%emt 0:00:11]} 68. Kc5 {[%emt 0:00:30]} Rh6 {[%emt 0:00:04]} 69. Rf7+ {
[%emt 0:00:55]} Nc7 {[%emt 0:00:03]} 70. Rf5 {[%emt 0:00:02]} Rc6+ {[%emt 0:03:
28]} 71. Kd4 {[%emt 0:00:03]} Rd6+ {[%emt 0:00:03]} 72. Kc4 {[%emt 0:00:40]}
Rh6 {[%emt 0:02:00]} 73. Kc5 {[%emt 0:00:03]} Rg6 {[%emt 0:00:13]} 74. Rxh5 {
[%emt 0:00:35]} Ne6+ {[%emt 0:00:01]} 75. Kc4 {[%emt 0:00:06]} Kc6 {[%emt 0:00:
19]} 76. Kb3 {[%emt 0:01:41]} Rg3+ {[%emt 0:00:54]} 77. Kc4 {[%emt 0:01:16]}
Rg4+ {[%emt 0:00:04]} 78. Kc3 {[%emt 0:00:32]} Nc7 {[%emt 0:00:34]} 79. Rh6+ {
[%emt 0:00:22]} Kb5 {[%emt 0:00:15]} 80. h5 {[%emt 0:01:05]} Nd5+ {[%emt 0:00:
22]} 81. Kd2 {[%emt 0:00:33]} Nxb4 {[%emt 0:01:47]} 82. Rh8 {[%emt 0:00:14]}
Kxa5 {[%emt 0:00:35]} 83. h6 {[%emt 0:00:23]} Rh4 {[%emt 0:00:27]} 84. h7 {
[%emt 0:00:27]} Rh3 {[%emt 0:00:39]} 85. Ke1 {[%emt 0:00:48]} Ka4 {[%emt 0:00:
46]} 86. Kf1 {[%emt 0:00:05]} a5 {[%emt 0:00:12]} 87. Kg2 {[%emt 0:00:05]} Rh6
{[%emt 0:00:17]} 88. Kf3 {[%emt 0:00:31]} Nd5 {[%emt 0:00:58]} 89. Rd8 {
[%emt 0:00:05]} Rh3+ {[%emt 0:00:19]} 90. Kf2 {[%emt 0:00:27]} Rxh7 {[%emt 0:
00:10]} 91. Rxd5 {[%emt 0:00:04]} Re7 {[%emt 0:00:09]} 92. Rd4+ {[%emt 0:02:26]
} Kb3 {[%emt 0:00:13]} 93. Rd3+ {[%emt 0:00:30]} Kc4 {[%emt 0:00:09]} 94. Ra3 {
[%emt 0:00:32]} Kb4 {[%emt 0:00:07]} 0-1
[Event "Leon Blitz Final 34th"]
[Site "Chess.com INT"]
[Date "2021.07.07"]
[Round "1.2"]
[White "Ibarra Jerez, Jose Carlos"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2558"]
[BlackElo "2640"]
[PlyCount "88"]
[EventDate "2021.07.07"]
[EventType "k.o. (blitz)"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bh6 7. f4 f5 8. Bb2
Nf6 9. Bd3 Qa5 10. exf5 Bxf5 11. Nge2 O-O-O 12. O-O-O Rhe8 $5 $146 {[%mdl 8]
New and interesting.} ({Predecessor:} 12... d5 13. Kb1 d4 14. Nb5 Qxd2 15. Rxd2
Bg4 16. Nbxd4 Nxd4 17. Bxd4 Rxd4 18. Nxd4 Bxf4 {½-½ (45) Le,Q (2713)-Vaibhav,
S (2593) Caleta 2020}) 13. h3 e5 14. Bxf5+ gxf5 15. Kb1 d5 16. Qd3 e4 17. Qe3
Bf8 18. Na4 Re6 19. Nd4 Nxd4 20. Bxd4 Ra6 21. Qc3+ Qxc3 22. Nxc3 Nh5 23. Ne2
Bh6 24. Be3 Bg7 25. g4 fxg4 26. hxg4 Nf6 27. Bd4 h6 28. Be5 Rg8 29. g5 hxg5 30.
fxg5 Ng4 31. Bxg7 Rxg7 32. Rxd5 Rag6 33. Rh5 e3 34. Nf4 Rc6 35. Rh8+ Kc7 36.
Re8 Rf7 37. Re4 Nf2 38. Ne6+ Kb6 39. Rb4+ Ka6 40. Nc5+ Rxc5 41. Rxc5 Re7 42.
Rcc4 b6 43. Ra4+ Kb7 44. Rf4 e2 0-1
[Event "Titled Tuesday intern op 7th Januar"]
[Site "Chess.com INT"]
[Date "2020.01.07"]
[Round "5"]
[White "Maghsoodloo, Parham"]
[Black "Preotu, Razvan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "3058"]
[BlackElo "2681"]
[PlyCount "79"]
[EventDate "2020.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
{[%evp 9,78,8,24,31,19,31,126,123,135,117,131,139,300,287,500,494,700,715,669,
278,507,112,103,101,598,578,587,586,591,589,597,573,586,553,629,623,623,568,
787,784,789,803,844,830,823,486,700,699,694,650,930,845,923,928,925,900,29995,
583,29996,29997,29997,29998,29998,29995,29996,29997,29997,29998,29998,29999,
29999]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 $1 {B23:
Defensa Siciliana (Sistema cerrado sin g3).} Bh6 7. f4 $1 e5 {[#]} (7... Nf6
$14) 8. Nb5 $1 $16 {Las blancas están mejor.} Bxf4 9. Qxd6 Qxd6 (9... Qh4+ $2
10. g3 Qe7 11. Nc7+ Kf8 12. Qxe7+ Ngxe7 13. gxf4 $18) 10. Nxd6+ Ke7 $146 {[#]}
(10... Kf8 $16) ({Predecesor:} 10... Kf8 11. Ba3 Nge7 12. Nf3 Kg7 13. g3 Be3
14. Nc4 Bh6 15. Ncxe5 Re8 16. Bb2 f6 {1/2-1/2 (107) Dominguez Perez,L (2739)
-Topalov,V (2740) Saint Louis 2019}) 11. Ba3 $1 $18 {[%csl LRb7,LRc8]} ({
Peor es} 11. Bxf4 exf4 12. Nb5 Bg4 $11) 11... Nd4 $2 (11... Be6 12. Ne2 (12.
Nxb7+ Kf6 $16) 12... Bg5) 12. Bd3 (12. Nxc8+ Kf6 13. Bd3 Rxc8 $11) 12... Kf6 (
12... Be6 $142 13. c3 (13. Nxb7+ Kf6 $16) 13... Nc6) 13. c3 Ne6 14. Ne2 (14.
Ne8+ $142 Kg5 15. g3) 14... Kg7 $2 (14... Nh6 {es una defensa mejor.} 15. Nxf4
Nxf4) 15. O-O $2 (15. Ne8+ $18 {y Las blancas mantienen claramente la
delantera.} Kh6 16. Rf1) 15... Be3+ $16 16. Kh1 {Blancas is much more active.}
f6 {[%mdl 8192]} (16... Nf6 $16 {es más resistente.}) 17. Ne8+ Kf7 18. Nd6+
Kg7 19. Bc4 {[%cal Bd3c4,Bc4f7,Bf7d5][%mdl 32]} Nc7 20. Nxc8 Rxc8 21. Rad1 b5
22. Rd7+ Kh6 23. Bf7 {Esperando por Tf3. A strong pair of Bishops.} Na6 24. Rf3
Nc5 25. Rxa7 Bd2 26. Rh3+ Kg5 27. Bd5 f5 (27... Nh6 $142 28. Rg3+ Ng4) 28. Rg3+
$18 Kh6 29. Rf7 {Parries Cf6.} Nxe4 30. Bxe4 fxe4 31. Rh3+ Kg5 32. Ng3 e3 33.
Bf8 (33. Be7+ $142 Nxe7 34. Ne4+ Kg4 35. Rh6 Nf5 36. h3+ Kf4 37. Rh4#) 33... h5
{[%cal Oh8h7]} 34. Ne4+ {Las blancas dan mate.} Kg4 35. Rg3+ Kh4 36. Rxg6 Rxf8
37. g3+ Kh3 38. Ng5+ Kg4 39. Nf3+ Kh3 40. Ng1# {Weighted Error Value:
Blancas=0.65/Negras=1.33} 1-0
[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "10"]
[White "Andriasian, Zaven"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2887"]
[BlackElo "3053"]
[PlyCount "149"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
1. e4 c5 2. Nc3
d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Defensa Siciliana (Sistema
cerrado sin g3).} Bh6 7. f4 Nf6 8. Bb2 {La posición está igualada.} O-O 9.
O-O-O $1 {Con la idea de Rb1.} e5 $1 10. g3 {[%cal Bg2g3,Bg3f4][%mdl 32]} exf4
$146 ({Predecesor:} 10... a5 11. a4 Nd4 12. Kb1 Bg4 13. Re1 Rc8 14. Bc4 Rxc4
15. bxc4 Qc7 16. Nb5 Nxb5 17. cxb5 {1/2-1/2 (60) Mortimer,J (2820)-Idani,P
(2572) Chess.com INT 2018}) 11. gxf4 Re8 12. Bd3 (12. Kb1 $1 $14 {permanece
por delante.}) 12... Bg4 $17 13. Nge2 Qa5 (13... d5 $1 $17 {[%cal Rd5e4]} 14.
exd5 Nxd5) 14. Kb1 $11 Bxe2 15. Qxe2 {Las negras deben ahora evitar Cb5.} Bxf4
{Amenazando con fuerza ...Ae5.} 16. Bc4 Be5 17. Qf3 {Y ahora Cb5 ganaría.} Nd4
{Inhibits Cb5.} 18. Qh3 b5 {[#]} (18... Rac8 $11 {permanece igual.} 19. Rhf1
Ne6) 19. Bxf7+ $1 $16 {[%mdl 512]} Kxf7 20. Nd5 Nxc2 $2 {[%mdl 8192] This
costs Black the game.} 21. Bxe5 (21. Nxf6 $142 Na3+ 22. Bxa3) 21... Rxe5 22.
Rhf1 {Las blancas amenazan Dxh7+ y mate.} Rxd5 {[#]} 23. Qd7+ $1 ({Peor es} 23.
exd5 Kg7 24. Rxf6 (24. Qe6 Qc3 $17) 24... Na3+ 25. Kb2 Kxf6 $11) 23... Kg8 24.
Qe6+ Kg7 25. Qxf6+ ({Más fuerte que} 25. exd5 Qc3 26. Qxf6+ Qxf6 $19) 25...
Kh6 26. Rxd5 {Las blancas quieren dar mate con Td3.} Nb4 {Parries Td3.} 27. Rd2
{Amenazando mate con Tf4.} Qd8 28. Rxd6 Qxf6 29. Rfxf6 $18 {[%mdl 4096] Final
RTT-RTC} Rc8 30. a4 bxa4 31. bxa4 Rc4 32. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Re4
33. e6 Re5 34. Rf7 Nd5 35. Rxa7 Nc3+ 36. Kc2 Ne4 37. Rc6 Nc5 38. e7 Nxa4 39.
Rxa4 {Esperando por Tc7.} Rxe7 40. Rd4 Kh5 41. Rc5+ g5 (41... Kh6 $142 42. Kd3
Rf7) 42. h4 h6 43. hxg5 {Las blancas dan mate.} hxg5 44. Kd3 Re6 45. Re4 Rd6+
46. Ke3 Ra6 47. Kf3 Rf6+ 48. Kg3 Ra6 49. Re3 Rf6 50. Kh3 Ra6 51. Rg3 Rg6 52.
Rg2 Rg7 53. Kg3 Rd7 54. Rh2+ Kg6 55. Rc6+ Kf5 56. Rf2+ Ke4 57. Re6+ Kd5 58. Rg6
Ra7 59. Rxg5+ Ke4 60. Rf4+ Kd3 61. Re5 Rg7+ 62. Kf3 Rg1 63. Re3+ Kc2 64. Ke4
Kb2 65. Rf2+ Kb1 66. Kd3 Rd1+ 67. Kc3 Ka1 68. Rfe2 Rc1+ 69. Kd4 Rd1+ 70. Ke4
Rd8 71. Rd3 Re8+ 72. Kf3 {[%cal Rd3d1]} Rf8+ 73. Ke3 {[%cal Rd3d1]} Re8+ 74.
Kf2 {[%cal Rd3d1]} Rf8+ 75. Ke1 {Weighted Error Value: Blancas=0.47/Negras=0.45
} 1-0
[Event "Titled Tuesday intern op 4th Sept"]
[Site "Chess.com INT"]
[Date "2018.09.04"]
[Round "6"]
[White "Nihal, Sarin"]
[Black "Bok, Benjamin"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2863"]
[BlackElo "2652"]
[PlyCount "77"]
[EventDate "2018.09.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4.
Qxd4 Nc6 5. Qd2 g6 6. b3 $146 {B23: Defensa Siciliana (Sistema cerrado sin g3).
} ({Predecesor:} 6. Bc4 Bh6 7. f4 Nf6 8. Nf3 O-O 9. O-O Bg7 10. Qe2 Bg4 11. Be3
Qa5 12. Rad1 {1-0 (29) Bladyko,P (1689)-Hasan,K (1860) IECC email 2008}) 6...
Bh6 7. f4 $1 Nf6 8. Bb2 $1 {Las blancas están ligeramente mejor.} O-O (8... e5
$1 $11) 9. O-O-O $1 $14 e5 10. g3 {[%cal Bg2g3,Bg3f4][%mdl 32]} Bg4 (10... Re8
$14 {debería considerarse.}) 11. Be2 $16 {Las negras deben ahora evitar Axg4.}
exf4 (11... Be6 $16 {sigue luchando.}) 12. gxf4 $18 {Axg4 es la amenaza fuerte.
} Re8 13. Bxg4 Nxg4 14. Nd5 {Inhibits Cf6.} Rxe4 $2 (14... Bg7) 15. Kb1 $2 ({
Peor es} 15. Qc3 Nce5 $11) (15. h3 $18 Nge5 16. h4) 15... Bg7 $14 16. Bxg7 Kxg7
17. Nf3 {To avoid Td4} (17. Ne2 $1 $14 {mantiene la ventaja.}) 17... Nf6 $2 (
17... Qa5 $17 {mantiene la presión.}) 18. Qc3 $40 {[%mdl 128] Las blancas
tienen un fuerte ataque.} Rc8 {[#]} 19. Ng5 {Blancas is more active.} (19. Qa1
$1 $16) 19... Re2 $11 20. Qh3 $2 {[#]} (20. Qa1 $11 Ne5 21. fxe5 (21. Nc3 Qc7
$17) 21... Nxd5 22. Rxd5 Qxg5 23. exd6+ Qf6 24. d7 Qxa1+ 25. Kxa1) 20... h6 $2
(20... Qd7 $1 $19 {[%cal Rd7h3] Y ahora ...Dxh3 ganaría.} 21. Qxd7 (21. Qc3 $2
Ne5 $19) 21... Nxd7) 21. Nxf6 $16 {[%mdl 64] Pieza sobrecargada} Qxf6 {[%mdl
8192] This costs Black the game.} 22. Qxc8 $18 hxg5 23. Qg4 {Really sharp!} Rf2
24. fxg5 Qc3 25. Qc4 Qxc4 26. bxc4 {[%mdl 4096] Final RTT-RTC} Ne5 27. Rxd6
Nxc4 28. Rd7 Na3+ 29. Kb2 Nxc2 30. Rxb7 Nd4+ 31. Kc3 Ne6 (31... Nf3 {valía la
pena intentarlo.} 32. Rxa7 Nxg5) 32. h4 Rf3+ 33. Kd2 Nc5 (33... a6 $142 34. Ra7
Nc5) 34. Rxa7 Ne4+ 35. Ke2 Rc3 36. Rd1 Rh3 37. Rdd7 Rxh4 38. Rxf7+ Kg8 39. Rfb7
{Weighted Error Value: Blancas=0.39/Negras=0.90} 1-0
[Event "Wch Blitz"]
[Site "St Petersburg"]
[Date "2018.12.29"]
[Round "5"]
[White "Andreikin, Dmitry"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2719"]
[BlackElo "2607"]
[PlyCount "166"]
[EventDate "2018.12.29"]
[EventType "swiss (blitz)"]
[EventRounds "21"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3
$146 {B23: Defensa Siciliana (Sistema cerrado sin g3).} ({Predecesor:} 6. Bc4
Bh6 7. f4 Nf6 8. Nf3 O-O 9. O-O Bg7 10. Qe2 Bg4 11. Be3 Qa5 12. Rad1 {1-0 (29)
Bladyko,P (1689)-Hasan,K (1860) IECC email 2008}) 6... Bh6 7. f4 f5 8. Bb2 $1 {
[%cal Oe4e5] Las blancas están ligeramente mejor.} Nf6 9. O-O-O (9. Bd3 $14)
9... fxe4 {[%cal Od6d5]} 10. Kb1 {a continuación h3 es bueno para Las blancas.
} Qa5 11. Bc4 Rf8 12. Nge2 {Con la idea de h3.} Bg4 13. h3 Bxe2 14. Qxe2 Bxf4
15. Nxe4 Be5 {[#]} (15... Nxe4 $11 {y Las negras no tienen de que preocuparse.}
16. Qxe4 Be5) 16. Nxd6+ $1 {[%mdl 512]} exd6 $14 17. Rxd6 Nd7 18. Rd5 $2 {
[%mdl 8192]} (18. Bxe5 $1 $14 {mantiene la ventaja.} Ndxe5 19. Re6+ (19. Re1
Rd8 $17) 19... Kd7 20. Rd1+ (20. Re1 $2 Rae8 $19) 20... Kc7 21. Rd5) 18... Qc7
$19 19. Bb5 O-O-O $1 20. Bxc6 Qxc6 21. Rxe5 Nxe5 22. Bxe5 Rfe8 23. Rf1 Qe6 24.
Re1 Qc6 $2 (24... Qd5 $19 25. Kc1 (25. Qg4+ Rd7 $17) 25... Re6) 25. Qf2 (25.
Qg4+ $15 Qe6 26. Qh4) 25... b6 26. Qf7 {[%mdl 8192]} (26. Kb2 $17 {es más
resistente.}) 26... Qd7 $2 (26... Rd2 27. c4 Qd7) 27. Qf3 (27. Qf1 $142 Kb7 28.
g3) 27... Qd5 28. Qc3+ Kb7 29. Qc7+ Ka8 30. Bc3 Rxe1+ 31. Bxe1 {[%mdl 4096]
Final RDT-RDA} Qd7 (31... Qd6 $142 32. Qc3 Qd5) 32. Qc3 (32. Qg3 {era forzado.}
) 32... Rc8 $2 (32... Qd1+ $19 33. Kb2 Kb7) 33. Qf3+ $17 Qc6 34. Qe2 Re8 35.
Qd2 ({Mejor es} 35. Qf2) 35... Re7 $2 {[%mdl 8192]} (35... Kb7 $17 36. Bg3 Rc8)
36. Bg3 $4 {[%mdl 8192]} (36. Qd8+ $18 {es el estrecho camino hacia la
victoria.} Kb7 37. Qxe7+ Qc7 38. Qh4) 36... Rd7 (36... Kb7 $19 {Las blancas
deben ahora evitar ...Td7.} 37. a4 (37. Qd8 $2 Re2 $19) 37... Rd7) 37. Qf4 $2 (
37. Qe2 $17 {podría funcionar mejor.}) 37... Kb7 $19 {Active counter play!}
38. Kb2 Ka6 $2 (38... Qxg2 39. Qb8+ Ka6 40. Qc8+ Rb7 41. Qc4+ b5 42. Qd3 $15) (
38... a5 $19 {es más letal. ...Te7 es la amenaza fuerte.} 39. Qf2 a4) 39. a4
$17 Qd5 {apuntando a ...Dd4+.} (39... Qxg2 $6 40. b4 Qe2 41. Qb8 $11) 40. Bf2 {
Inhibits Dd4+.} (40. Qf1+ $17 Kb7 41. Qe2) 40... Re7 (40... Kb7 $1 $19 {
Y ahora ...Df5 ganaría.} 41. Bg3 Qd4+ 42. Qxd4 Rxd4) 41. Qf8 $2 {[#]} (41. Bg3
$17) 41... Qe5+ (41... Rc7 $142 $1 42. Qf4 Qc6) 42. Kb1 $19 Kb7 {To avoid Dc8+}
43. Bg3 Qe4 ({Y no} 43... Re8 44. Qf7+ Re7 45. Qf3+ Qe4 46. Qf8 $17) (43... Qe6
$17 44. Qf4 Qd7) 44. Qb8+ $1 $11 Ka6 45. Qc8+ Rb7 46. Bf2 Qd5 47. Kb2 {[%mdl
1024] Las blancas tienen compensación.} Qe5+ {[#]} (47... Qd6 $14) 48. Kb1 $2
(48. Ka3 $1 $18 {Amenazan ganar con Dc4+.} Qa1+ 49. Kb4) 48... Qc7 49. Qe6 (49.
Qg4 $1 $11) 49... Rb8 $1 $15 50. Qe2+ Kb7 51. Qf3+ ({Las blancas deberían
jugar} 51. a5 $1 $15 Rc8 52. a6+ Ka8 53. Bd4) 51... Qc6 $17 52. Qf7+ Ka8 53.
Qe7 $2 {[%mdl 8192]} (53. Bg3 $17 Rd8 54. Qf2) 53... Rc8 (53... Re8 $142 54.
Qxh7 Re2) 54. Qe2 $19 Qxg2 55. a5 bxa5 {[%cal Bb6a5,Ba5a4,Ba4a3][%mdl 32]} ({
No capture} 55... Rf8 $2 56. a6 $19) 56. Qe6 (56. Qa6 Qb7 57. Qxa5) 56... Qc6
57. Qe2 a4 {Esperando por ...axb3.} 58. b4 a3 {[%cal Oa3a2] Amenazando con
fuerza ...a2+!} 59. Bc5 Re8 60. Qf2 Qd5 61. Qf1 a2+ 62. Kb2 Qc6 63. Kxa2 Rb8
64. Qf7 {[%csl Gc5][%cal Rf7a7]} Qa4+ $2 (64... Qb7 $19 65. Qb3 Rc8) 65. Kb2
$15 Rxb4+ (65... Qa6 $15) 66. Bxb4 $11 Qxb4+ $15 {RD-RD} 67. Kc1 Qe1+ 68. Kb2
Qe5+ 69. c3 Qb5+ 70. Kc1 $1 Qg5+ 71. Kb2 Qb5+ 72. Kc1 $1 Qc6 73. Kc2 Qe4+ 74.
Kc1 Qh1+ 75. Kc2 Qg2+ 76. Kc1 Qg5+ ({Por supuesto, no} 76... Qxh3 $6 77. Qc7
$17) 77. Kb2 Qb5+ 78. Kc1 $1 Qc6 79. Kc2 h5 80. h4 a5 81. c4 Qe4+ 82. Kb3 $2 {
[%mdl 8192]} (82. Kc3 $11) 82... Qb7+ $19 83. Qxb7+ Kxb7 {Both players
deserved the win here. Weighted Error Value: Blancas=0.82/Negras=0.71} 0-1
[Event "Titled Tuesday intern op 4th Febr"]
[Site "Chess.com INT"]
[Date "2020.02.04"]
[Round "4"]
[White "Donchenko, Alexander"]
[Black "Kopenkin, Kirill"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2716"]
[BlackElo "2550"]
[PlyCount "70"]
[EventDate "2020.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4
Nc6 5. Qd2 g6 6. b3 $1 {B23: Defensa Siciliana (Sistema cerrado sin g3).} Bg7
7. Bb2 $1 Nf6 {[%cal Of6e4] [#] ...Cxe4! es la amenaza fuerte.} 8. O-O-O $1 {
Las blancas están mejor.} O-O 9. h4 $146 (9. f3 $16) ({Predecesor:} 9. Kb1 Qa5
10. Nge2 e5 11. f3 Rd8 12. Nd5 Qxd2 13. Nxf6+ Bxf6 14. Rxd2 Bg5 15. Rd1 {
1/2-1/2 (41) Nakamura,H (2769)-Vachier Lagrave,M (2789) Stavanger 2018}) 9...
h5 10. f3 Rb8 (10... Bd7 $14) 11. Nh3 (11. Nd5 $16) 11... Qa5 (11... Bxh3 $11
12. Rxh3 Qa5) 12. Kb1 b5 13. Ng5 ({Las blancas deberían intentar} 13. Nf4 $14)
13... b4 (13... Bd7 $1 $11) 14. Nd5 (14. Ne2 $1 $14) 14... Nxd5 $11 15. Qxd5
Qxd5 {Really sharp!} 16. exd5 (16. Rxd5 $11 {es superior.} Bxb2 17. Kxb2) 16...
Ne5 $15 17. Re1 (17. Be2 $11) 17... Re8 (17... Rb7 $17) 18. Ne4 (18. Be2 $11)
18... Bf5 19. Rg1 a5 20. Nf2 (20. Bxe5 $15 Bxe5 21. g4 hxg4 22. fxg4 Bxe4 23.
Rxe4) 20... Rec8 {Negras is more active.} 21. Rc1 {Loses the game.} (21. Nd3
$17 {sigue luchando.}) 21... Bh6 $19 22. g4 $2 (22. Be2) 22... Bxc1 {Las
negras están ganado claramente.} 23. gxf5 {apuntando a Axe5.} Bxb2 24. Kxb2
Nxf3 25. Rg3 Nxh4 26. fxg6 Nxg6 27. Ne4 Kg7 28. Bh3 Rh8 29. a3 Rb5 30. axb4
axb4 31. Rg5 f6 32. Rf5 Ne5 33. Ng3 Rxd5 34. Nxh5+ {[#]} Rxh5 $1 35. Rxh5 {[#]}
Nd3+ $1 {[%mdl 512] Weighted Error Value: Blancas=0.68/Negras=0.19 (very
precise)} 0-1
[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "21"]
[White "Morozevich, Alexander"]
[Black "Kulaots, Kaido"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2712"]
[BlackElo "2562"]
[PlyCount "61"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4.
Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Defensa Siciliana (Sistema cerrado sin g3).} Bh6
7. f4 $1 f5 8. Bb2 {[%cal Oe4e5] Amenazando e5! Las blancas están un poco por
delante.} Nf6 9. O-O-O Qa5 10. Kb1 fxe4 11. h3 $146 ({Predecesor:} 11. Bc4 Rf8
12. Nge2 Bg4 13. h3 Bxe2 14. Qxe2 Bxf4 15. Nxe4 Be5 16. Nxd6+ exd6 17. Rxd6 {
0-1 (83) Andreikin,D (2719)-Firouzja,A (2607) St Petersburg 2018}) 11... Bg7
12. g4 {[%mdl 1024] Las blancas tienen compensación.} O-O 13. Nge2 Be6 14. Bg2
(14. Ng3 {es superior.}) 14... d5 $11 {Las blancas deben ahora evitar ...Tad8.}
15. f5 (15. g5 $1 $11 Nh5 16. Nxd5) 15... gxf5 (15... Bf7 $1 $15) 16. Nf4 (16.
gxf5 $11 Bxf5 17. Qg5) 16... Bf7 (16... Bh6 17. Nce2 Qxd2 18. Rxd2 $17) (16...
Bc8 $15 17. gxf5 Bxf5 18. Nfxd5 Nxd5 19. Qxd5+ Qxd5 20. Nxd5 Rad8) 17. gxf5
Rfd8 (17... Rad8 $11) 18. Rhg1 $16 {[%cal Og2e4] Amenazan ganar con Axe4!} Kh8
19. Bh1 {[%cal Oc3d5] Y ahora Ccxd5! ganaría.} (19. Ncxd5 Qxd2 20. Rxd2 Bxd5
$16) 19... Ne5 $2 {[%mdl 8192] [#] Loses the game.} (19... Rg8 $16) 20. Nxe4 $1
$18 {[%mdl 576] Ataque a la descubierta} Qxd2 21. Nxd2 Nc6 22. Nf3 {Amenazando
con fuerza Cg5.} h6 {Inhibits Cg5.} 23. Ne5 Nxe5 24. Bxe5 Nh5 {[#]} (24... Rg8
{es una defensa mejor.} 25. Ng6+ (25. Nxd5 Nxd5 26. Rxg7 Rxg7 $18) 25... Bxg6
26. Rxg6 (26. fxg6 e6 $16) 26... Kh7) 25. Rxg7 $1 {[%mdl 512] Las blancas
están ganado claramente.} Nxg7 26. Rg1 Rg8 27. Nxd5 Kh7 28. Nxe7 Nxf5 29. Nxg8
Bxg8 30. Be4 {[%cal Re4f5] The bishop pair is nice.} Be6 31. Rg7+ {Weighted
Error Value: Blancas=0.15 (very precise) /Negras=0.61} 1-0
[Event "Abu Dhabi op 25th"]
[Site "Abu Dhabi"]
[Date "2018.08.09"]
[Round "3"]
[White "Dubov, Daniil"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2691"]
[BlackElo "2561"]
[PlyCount "65"]
[EventDate "2018.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UAE"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]
1.e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 $146 {B23: Defensa
Siciliana (Sistema cerrado sin g3).} ({Predecesor:} 6. Bc4 Bh6 7. f4 Nf6 8. Nf3
O-O 9. O-O Bg7 10. Qe2 Bg4 11. Be3 Qa5 12. Rad1 {1-0 (29) Bladyko,P (1689)
-Hasan,K (1860) IECC email 2008}) 6... Bh6 7. f4 $1 {Las negras deben ahora
evitar h3.} Nf6 {Amenazan ganar con ...e5.} 8. Bb2 $1 {Las blancas están un
poco por delante.} O-O 9. O-O-O a5 {[%cal Oa5a4]} 10. a4 Nb4 $1 {[%cal Od6d5]}
11. Kb1 d5 {To avoid Ac4} (11... Qb6 $1 $11 {mantiene el equilibrio.}) 12. e5 (
12. Nxd5 Nfxd5 13. exd5 Bf5 $15) (12. exd5 Bf5 13. Rc1 Nfxd5 14. Nxd5 Qxd5 $11)
(12. Nf3 $16) 12... Nh5 $2 (12... Bf5 $2 13. exf6 e5 14. Nxd5 Qxd5 15. Qxd5 $18
) ({Mejor es} 12... Ne4 $1 $11 13. Nxe4 Bf5) 13. Nge2 $1 $16 {Amenazando con
fuerza g3.} Bf5 (13... Bg4 $16 {valía la pena intentarlo.}) 14. Nd4 $1 $18 Bg4
(14... Nxf4 $2 15. Nxf5 (15. g3 Bg4 $18) 15... gxf5 16. g3 $18) 15. Be2 (15. g3
$18 {tiene mejores opciones de victoria.}) 15... Bxf4 $16 16. Qe1 Bxe2 (16...
Qc8 $16) 17. Qxe2 $18 Qc7 18. Rde1 {[%mdl 1024] Las blancas tienen fuerte
compensación.} Qc5 {[#]} (18... Bh6 $142) 19. Ncb5 $1 Rac8 $2 (19... Qb6 20.
Rhf1 Bg5) 20. Rhf1 {[%cal Bh1f1,Bf1f5,Bf5g5,Bg5g4][%mdl 32] Esperando por g4.}
({Más fuerte que} 20. c3 Nc6 $11) 20... Bh6 21. c3 {Active counter play!} Nc6
{[#]} 22. Nf5 {[%mdl 512]} gxf5 23. Qxh5 Bg7 (23... Bd2 $2 24. Re2 $18) 24.
Rxf5 Qb6 25. Rg5 {Las blancas amenazan Dh6 y mate.} ({Y no} 25. Ref1 Qe3 $11)
25... Nd8 26. Bc1 {Te3 es la amenaza fuerte.} Qf2 $2 (26... Rc6 27. Be3 Qa6)
27. Re3 ({Peor es} 27. Qh6 Ne6 28. Rxg7+ Nxg7 $17) 27... Ne6 28. Reg3 Qe1 29.
R5g4 Rfd8 30. Re3 Qg1 31. Rh3 Nf8 32. e6 (32. Qh6 $142 Qxc1+ 33. Kxc1 Rxc3+ 34.
Nxc3 Ng6 35. Qxh7+ Kf8 36. e6 Rb8 37. Rxg6) 32... fxe6 33. Qh6 {Weighted Error
Value: Blancas=0.21 (precise) /Negras=1.02} 1-0
[Event "ACP ChessBase KO"]
[Site "Playchess.com INT"]
[Date "2020.07.28"]
[Round "5.3"]
[White "Jones, Gawain C B"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2670"]
[BlackElo "2646"]
[PlyCount "72"]
[EventDate "2020.07.24"]
[EventType "k.o. (blitz)"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 $1 {B23:
Defensa Siciliana (Sistema cerrado sin g3).} Bh6 7. f4 f5 8. Bb2 {Amenazando
con fuerza 0-0-0. Las blancas están un poco por delante.} Nf6 9. O-O-O fxe4 {
[%cal Od6d5]} 10. Kb1 {Las negras deberían evitar h3.} Qa5 11. Nge2 $146 ({
Predecesor:} 11. Bc4 Rf8 12. Nge2 Bg4 13. h3 Bxe2 14. Qxe2 Bxf4 15. Nxe4 Be5
16. Nxd6+ exd6 17. Rxd6 {0-1 (83) Andreikin,D (2719)-Firouzja,A (2607) St
Petersburg 2018}) 11... Rf8 12. h3 g5 {[%cal Bg6g5,Bg5f4][%mdl 32]} 13. Nd4 $2
{Black keeps a firm grip on the game.} (13. fxg5 $1 $11 Bxg5 14. Qe1) 13...
gxf4 $19 {Amenazan ganar con ...e3.} 14. Bb5 (14. Nxc6 {era lo que pedía.}
bxc6 15. Nxe4 Qxd2 16. Nxf6+ Rxf6 17. Rxd2) 14... Bd7 {...e3 es la amenaza
fuerte.} 15. Qe2 {[#]} e3 16. Nd5 $2 (16. Nxc6 bxc6 17. Bd3) 16... Nxd4 17.
Bxd7+ Kxd7 (17... Nxd7 $2 18. Qh5+ Rf7 {[#]} 19. Nf6+ $1 {[%mdl 512]} Nxf6 20.
Qxa5 $18) 18. Nxf6+ Rxf6 ({Menos fuerte es} 18... exf6 19. Rxd4 Rad8 20. Rhd1
$14 (20. Qd3 Kc8 $15)) 19. Rxd4 Rg6 {Y ahora ...Tc8 ganaría.} 20. Rhd1 Rc8 21.
Rd5 Rc5 22. c4 Rxd5 23. Rxd5 Qb4 24. Kc2 a6 25. Bc3 Qb6 26. Bd4 Qc6 {Esperando
por ...e6.} 27. Kd3 e6 28. Rh5 {[#]} Rxg2 $1 29. Qe1 (29. Rxh6 Rxe2) 29... Rd2+
30. Kc3 {[#]} Qe4 $1 31. Kb4 (31. Bxe3 fxe3) 31... Bf8 32. Qh4 Qxd4 33. Rxh7+
Bg7 (33... Kc6 $142 34. Rc7+ Kxc7 35. Qh7+ Bg7 36. Qxg7+ Qxg7 37. a3 Ra2 38. h4
Qb2 39. h5 Rxa3 40. h6 Qxb3#) 34. Qg5 Qc3+ {Las negras dan mate.} 35. Ka3 {[#]}
Rxa2+ $3 36. Kxa2 Qb2# {Weighted Error Value: Blancas=0.43/Negras=0.03
(flawless)} 0-1
[Event "EU-Cup Online Play-C"]
[Site "Tornelo INT"]
[Date "2021.03.29"]
[Round "3.1"]
[White "Shirov, Alexei"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2662"]
[BlackElo "2667"]
[PlyCount "110"]
[EventDate "2021.03.29"]
[EventType "team-tourn (rapid)"]
[EventRounds "5"]
[EventCountry "NET"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.30"]
[SourceQuality "1"]
[WhiteTeam "Baden Baden OSG"]
[BlackTeam "Guildford 4NCL"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]
1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23:
Defensa Siciliana (Sistema cerrado sin g3).} Bh6 7. f4 Nf6 8. Bb2 $1 {Las
blancas están ligeramente mejor.} O-O (8... e5 $5 {[%cal Rh6f4]}) 9. O-O-O a5
{[%cal Oa5a4]} 10. a4 $1 Nb4 {[%cal Od6d5]} 11. Nf3 (11. Kb1 $1 $14 {debería
considerarse.}) 11... Bg4 $11 12. Kb1 $146 ({Predecesor:} 12. Be2 Rc8 13. Kb1
Rc5 14. e5 Nfd5 15. Nxd5 Rxd5 16. Qc3 dxe5 17. Rxd5 Nxd5 18. Qxe5 {0-1 (56)
Milosevic,M (2306)-Yakubboev,N (2522) Porto Carras 2018}) 12... Rc8 $1 {
[%cal Of6e4] Amenazan ganar con ...Cxe4!} 13. Bc4 Qb6 (13... Rxc4 $5 14. bxc4
Qc7 $11) 14. h3 Bxf3 15. gxf3 Nh5 16. Ne2 Rxc4 17. bxc4 $14 Rc8 (17... Bg7 $14)
18. Qc3 (18. Qd4 $1 $16 {[%cal Rd4h8]} Qxd4 19. Bxd4 (19. Nxd4 Nxf4 20. Nb3 b6
$15)) 18... Bg7 $15 {Active counter play!} 19. Qb3 {e5 es la amenaza fuerte.}
Bxb2 20. Kxb2 Qc5 (20... Qf2 $17 21. Rhe1 Nf6) 21. f5 $11 Qe5+ (21... Nc6 $11)
22. Kb1 (22. c3 $16) 22... Nf6 $14 23. Nc3 (23. Nc1 $1 $16) 23... Rc5 24. Nb5
Kf8 25. fxg6 hxg6 26. h4 Qe6 (26... b6 $11 {es superior.}) 27. Rd4 (27. Na3 $1
$16) 27... Rh5 (27... b6 $1 $11) 28. c5 ({Mejor es} 28. Qc3 $1 $14) 28... Rxc5
$11 29. Qxe6 fxe6 30. Rd2 Kf7 31. Rg1 Nc6 32. Nd4 Ne5 {[%mdl 1024] Las negras
quieren jugar ...Tc4. Las negras tienen compensación.} 33. Rf1 $2 (33. Rdg2
$11 {y Las blancas siguen a salvo.}) 33... Nc4 $2 (33... Rc4 $19 {Amenazando
con fuerza ...Tb4+.} 34. Kb2 Rxa4) 34. Rd3 Rh5 35. Ka2 Nd7 36. Rc3 Ndb6 37. Rb1
{[#]} (37. Rh1 $11) 37... Rxh4 (37... d5 $1 $17 38. exd5 exd5) 38. Nb5 (38. Nb3
$1 $11 {permanece igual.}) 38... d5 $17 39. Rcb3 $2 {[%mdl 8192]} (39. Rd3 $17)
39... Nxa4 $2 {Pair of Knights!} (39... dxe4 40. Rd1 e3) 40. Nc3 $19 Nxc3+ 41.
Rxc3 $17 {[%mdl 4096] Final RTT-RTC} b6 42. Rg1 (42. Rd1 $17) 42... Rh2 ({
Las negras deberían jugar} 42... b5 $19 {Esperando por ...Th2.} 43. Rd3 Rh2
44. exd5 Rxc2+ 45. Kb3 Rb2+ 46. Kc3 exd5 47. Rxd5 a4) 43. Kb1 $2 {[%mdl 8192]}
(43. Rd1 $17 {ninguna otra cosa funciona.}) 43... b5 $19 44. Rd3 b4 45. exd5 (
45. Rc1 $142 Ne5 46. Rd4) 45... exd5 {Las negras están ganado claramente.} 46.
Rxd5 {[#]} Na3+ $1 47. Kb2 Rxc2+ 48. Kb3 Rc3+ 49. Ka4 Nc4 {apuntando a ...Cb6+.
} 50. Kb5 {Parries Cb6.} b3 51. Rd4 Na3+ 52. Kxa5 b2 {Las blancas deben ahora
evitar ...Tc1.} 53. Rf4+ Kg7 54. Re4 b1=Q (54... Rc1 $142 55. Rxe7+ Kf6 56.
Rxc1 bxc1=Q) 55. Rxb1 Nxb1 {Weighted Error Value: Blancas=0.67/Negras=0.34} 0-1
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