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Hikaru Nakamura vs Levon Aronian
Sinquefield Cup (2017), Saint Louis, MO USA, rd 7, Aug-09
English Opening: King's English. Four Knights Variation Fianchetto Lines (A29)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Aug-09-17  cormier:

Houdini
[-1.46] Komodo
[-1.79] Stockfish
[-3.19]
-1.46 54. Kd3 Bc6 55. Ke3 b5 56. Ne2 Bd5 57. h5 Bc4 58. Ng3 b4 59. Ne4 b3 60. Nd2 Kd5 61. Nb1 Kc5 62. Kd2 Kb4 63. Kc1 Bf7 64. Kb2 Bxh5 65. Nd2 Bf7 66. Nf3 h5 67. Nh4 Kc4 68. Nf5 Be6 69. Nh4 Bd7 70. Nf3 Kb4 71. Ne5

-1.55 54. Ne2 b5 55. h5 Bc4 56. Ng3 b4 57. Ne4 b3 58. Nd2 Kd5 59. Nb1 Kc5 60. Kd2 Kb4 61. Kc1 Bf7 62. Kb2 Bxh5 63. Nd2 Bf7 64. Nf3 h5 65. Nh4 Kc4 66. Nf5 Be6 67. Nh4 Bd7 68. Nf3 Kb4 69. Ne5

-1.55 54. Nf1 b5 55. Ng3 Bc4 56. h5 b4 57. Ne4 b3 58. Nd2 Kd5 59. Nb1 Kc5 60. Kd2 Kb4 61. Kc1 Bf7 62. Kb2 Bxh5 63. Nd2 Bf7 64. Nf3 h5 65. Nh4 Kc4 66. Nf5 Be6 67. Nh4 Bd7 68. Nf3 Kb4 69. Ne5

-1.55 54. h5 b5 55. Ne2 Bc4 56. Ng3 b4 57. Ne4 b3 58. Nd2 Kd5 59. Nb1 Kc5 60. Kd2 Kb4 61. Kc1 Bf7 62. Kb2 Bxh5 63. Nd2 Bf7 64. Nf3 h5 65. Nh4 Kc4 66. Nf5 Be6 67. Nh4 Bd7 68. Nf3 Kb4 69. Ne5 depth: 20 ply

Aug-09-17  cormier:

Houdini
[-1.55] Komodo
[-2.19] Stockfish
[-3.57]
-1.55 54. ... b5 55. Kd2 Bf7 56. Ke3 Bc4 57. h5 Bd5 58. Ne2 Bc4 59. Ng3 Bd5

-1.55 54. ... Kf4 55. Nh5+ Kf5 56. Ng7+ Ke5 57. Nh5 Bf7 58. Ng3 b5 59. h5 Bc4+ 60. Ke3 Bd5 61. Ne2 Bc4 62. Ng3 Bd5

-1.55 54. ... Bg2 55. Ke3 b5 56. Kd2 Bd5 57. h5 Bc4 58. Ke3 Bd5 59. Ne2 Bc4 60. Ng3 Bd5

-1.55 54. ... Bc6 55. Ke3 b5 56. Ne2 Bd5 57. h5 Bc4 58. Ng3 Bd5 59. Ne2 Bc4 depth: 21 ply

Aug-09-17
Premium Chessgames Member
  AylerKupp: In case anyone cares, Nakamura resigned after 54...Kf4.
Aug-09-17  cormier: 1) -8.64 (35 ply) 54.Ne2+ Kg4 55.Ke3 Kxh4 56.Nd4 Kg3 57.Nf5+ Kg4 58.Ne7 Be6 59.Ng6 Kg3 60.Nf4 Bc4 61.Nh5+ Kh4 62.Ng7 b5 63.Nf5+ Kg4 64.Nd6 h5 65.Kf2 Bd3 66.Nb7 Be4 67.Nc5 Bd5 68.Nd7 Kf4 69.Nf6 Bf7 70.Nd7 b4 71.Nc5 Kg4 72.Kg2 b3 73.Na4 Bc4 74.Nb2 Bd5+ 75.Kh2 Bf7 76.Kg2 Kg5 77.Na4 Be6 78.Kf1 Kh4 79.Nb2 Bd5 80.Nd1

2) -5.43 (34 ply) 54.Nh5+ Kf5 55.Kd4 Bf7 56.Ng3+ Kg4 57.Ne4 Kxh4 58.Ke3 Bg6 59.Nc3 Kg3 60.Ne2+ Kg4 61.Nd4 Be8 62.Kf2 b5 63.Nc2 Bg6 64.Ne3+ Kh4 65.Kg2 b4 66.Kh2 b3 67.Nd1 Kg5 68.Kg2 Be4+ 69.Kg3 Bf5 70.Nb2 Bg6 71.Nc4 Be4 72.Nb2 h5 73.Nd1 Bd5 74.Nb2 Be6 75.Nd1 Bc4 76.Kg2 Kh4 77.Nb2 Bd5+ 78.Kh2

3) -6.85 (34 ply) 54.Nf1 h5 55.Kd4 Bf7 56.Ne3 Bb3 57.Kd3 b5 58.Kd4 Be6 59.Nc2 Kg3 60.Ke5 Bc4 61.Nb4 Kxh4 62.Kf4 Kh3 63.Kf3 h4 64.Kf2 Be6 65.Kf3 Bc8 66.Kf2 Bb7 67.Nd3 Kg4 68.Kg1 Kg3 69.Nc1 b4 70.Ne2+ Kg4 71.Nd4 Bd5 72.Nc2 Kh3 73.Ne3 Be4 74.Nc4 b3

analysis by Stockfish 8

Aug-09-17
Premium Chessgames Member
  ChessHigherCat: <WannaBe> certainly cares, coz now he gonna go and buy him a new pair of shoooooooos
Aug-09-17
Premium Chessgames Member
  tamar: Did Nakamura take a fall so WannaBe could be shod?
Aug-09-17  Altairvega: The old tiger of India seems to come back. The Lion of Russia, Levon, and the probably most intelligent enfant terrible Maxime impress with their performance. Magnus cries like a 10 year boy because they take his toy..
Aug-09-17  nevski: Nakamura is not a player to face Aronian!
Aug-10-17  paavoh: Quite an unconventional position after the opening. The fountain keeps brimming with creativity. Well done!
Aug-10-17  Toribio3: Aronian is an expert tactician!
Aug-10-17  PivotalAnorak: 9...e3 was seen in Kasparov vs Karpov, 1987 After 10.d3 d5, Naka played 11.Qa4 while GK played 11.Qb3, which was praised by his second, Dolmatov (according to a comment by user Cinco, see above mentioned game): "What is White's best response? The task that faces him is exceptionally complex. Kasparov found an outstandingly good solution, clearly the best solution to any opening problem in the entire match: 10.d3! d5 11.Qb3!! Such moves are often conceived not in home analysis but over-the-board, under strong emotional pressure. Many commentators could not understand why Karpov never repeated his novelty after winning the game. The explanation is simple: Kasparov refuted the novelty over the board - his 11.Qb3 is very powerful. I was Kasparov's second in that match, and I can definitely assure you of this.

-- Sergei Dolmatov in Dvoretsky/Yusupov: "Opening Preparation"

So, which one is better, 11.Qb3 or 11.Qa4 ? I guess Naka knew the K-K game, did he remember 11.Qb3 and decide 11.Qa4 was better ?

Aug-10-17  Ulhumbrus: One commentator indicated that 17 c4? instead of 17 Bb2! first was premature because it led to Black's being able to establish a knight on d4. Such a difference can decide whether it is White who goes on to win or whether it is Black who goes on to win
Aug-10-17  not not: Karpov wrote that after pawn to d3 its hard to say whos better.
Aug-10-17  WorstPlayerEver: Svidler vs Karjakin, 2016

Svidler played 15. Bb2

Aug-10-17
Premium Chessgames Member
  Domdaniel: Karpov examines this 9...e3 line in his book on the English.

Of course the A00 code for the opening given here is wrong - presumably a hangover from the live game, where A00 is used as a placeholder.

Aug-10-17  Dave12: 41..Bg2+ looks crushing to me. What am i missing?
Aug-10-17  WorstPlayerEver: <Domdaniel>

Not wrong; A00 just means the game is not implemented in this database yet.

Aug-10-17
Premium Chessgames Member
  fredthebear: The correct ECO code will be A29.
Aug-10-17
Premium Chessgames Member
  thegoodanarchist: <fredthebear: The correct ECO code will be A29.>

When will that happen?

Aug-11-17  SirRuthless: Total disaster game for Nakamura. Black's Re6 idea ended any hopes white had of clear superiority and the gxf locked down the pawn structure for good, no more breaks for white and it becomes only a two result game. White doesn't even look like he knows what he's doing in this opening but it's easy to say from the side of the board. Aronian's genius preparation is hard to meet and I heard he doesn't really use engines to work out his ideas but uses a few friends and a few analysis boards and checks against an engine maybe later.
Aug-11-17
Premium Chessgames Member
  Richard Taylor: The N is not good in such endings with pawns both side. An unusual game.
Aug-11-17
Premium Chessgames Member
  FSR: <Dave12: 41..Bg2+ looks crushing to me. What am i missing?>

42.Rxg2 wins a piece, doesn't it?

Aug-12-17  Dave12: <FSR> you're right, i meant Bxg2 at move 40. White's checks don't seem to go on forever.
Aug-12-17  Nerwal: 40... ♗g2+ is formally better but most likely Aronian played 40.. ♖xf3 knowing he would reach the winning minor piece ending that occured in the game.
Aug-12-17
Premium Chessgames Member
  tamar: Levon had seen both possibilities and thought 40...Rxf3 was a slower, but surer win.

after showing 40...Bg2+ 41 Rxg2 Rgxg2 42 Rc8+ Kf7 43 Rc7+ Ke8 44 Nxf4 Rh7+ 45 Kg1 Rc2 46 Rxb7


click for larger view

He told Maurice," are you sure you are winning this endgame against me?"

Maurice said "I am not playing you!"

Aronian then said Black would win, since Black has the rooks on the second forever, but that is why he chose 40...Rxf3

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