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Veselin Topalov vs Viswanathan Anand
"A NAND Gate" (game of the day Jan-05-2016)
Linares (1999), Linares ESP, rd 11, Mar-06
Caro-Kann Defense: Advance Variation. Van der Wiel Attack (B12)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-29-06  Bob726: So the point of Nc6 was to stop black from mating after kg6 and nd8?
Sep-26-06  crazy monk: How about that 23..Nd7!! by Anand. Compare to Nc7!! (Karjakin vs Anand). I think this N move is no less WOW.
Nov-23-06
Premium Chessgames Member
  thegoodanarchist: <Bob726> Yes, exactly.
Jun-18-07  notyetagm: To meet 11 f2-f3 with 11 ... a7-a6! and 13 ... g7-g5! (<COUNTERATTACKS>) means that one good pawn push deserves another.
Oct-02-07  Resignation Trap: Anand stated that Vesko's 18.c3? was weak, and that White may have to go for a draw with 18.gxf5 exf5 19.Bxe4 as in Sutovsky vs Dreev, 2000 .
Oct-02-07  aazqua: Nd7 really is a great crushing move. Topalov hoped that he had prevented it but Anand just put it right in his face. Great ending too, and yes the obvious threat is mate and the obvious counter is to maneuver the knight to cover the f7 square and give the pawn time to queen. Fantastic game by Anand.
Nov-05-07  sallom89: nice end game by Anand.
Jan-12-10  Alphastar: This whole variation starting with 8. h4 is now regarded by theory as leading to a draw, by following the game and then the line provided by <seeminor>.
May-02-10  funkymihir: nice to see vishy play the caro-kann. don't u think he should play the french too???????
Mar-16-12
Premium Chessgames Member
  plang: Prior to 1999 there had been several games where Black had played 11..Bxf3 sacrificing the bishop for 3 pawns; 11..a6 was a new idea that had been introduced a few weeks prior to this game in the draw Nataf-Atalik Cappelle la Grande 1999. Atalik had played 13..e5; 13..g5! was Anand's improvement. As in the 11..Bxf3 continuation Black also sacrifices his bishop but here it is under much more favorable circumstances. Anand recommended 28 Ba3 as the best defense; after 28 Kg2?..e2! Black was clearly better. 29 Qxe2 would have been answered by 29..d3 30 Qf2..Qc6+ 31 Kg3..Qe6 32 Ng1..d2 33 Bxd2..Qg4+ 34 Kh2..Qxh5+ 35 Kg2..Ng4! winning. Note that the careless 43..a3? 44 Kg6 would have actually won for White. This game was played the day after Anand;s disappointing loss to Kasparov. It was voted the 3rd best game in Informant 75.
Feb-26-13  voyager39: Preparation or not...the weak Computer generation are s**t scared to play it that way anymore.

Its only the old masters who can still whip up that magic like Anand did once again in Aronian vs Anand, 2013

Aug-25-15  tanu123: Anand gave a surprising sack of Be4 in the game.But still,it was a good game.
Jan-05-16
Premium Chessgames Member
  Phony Benoni: https://en.wikipedia.org/wiki/NAND_...

I just find explanations. You have to figure out how it relates to the game.

Jan-05-16
Premium Chessgames Member
  Infohunter: I can't remember ever seeing such a wild and wooly Caro-Kann.
Jan-05-16  RookFile: An excellent game. Razor sharp chess on both sides.
Jan-05-16
Premium Chessgames Member
  al wazir: An ugly opening, but what a beautiful ending: 43. Kh5 Nc6 44. h7 Nd8 45. Kh6 a3 46. Nf3 a2 47. Nh4 (a1=Q? 48. Ng6#) Ng7+ 48. Kg6 a1=Q 0-1.
Jan-05-16
Premium Chessgames Member
  Once: Now that is a coincidence. It's a line I was looking at only yesterday. Are CG somehow peeking at my opening prep?

The Caro Kann is so hard to break down. It seems that the most aggressive counters run into difficulties. Maybe White has to satisfy himself with a small but enduring advantage, instead of trying to blow black off the board?

Jan-05-16  Sularus: what a game! first time i've seen this one.
Jan-05-16  kmet vlado: al wazir, I think your analyse is mistaken in 47-th move. 43. Kh5 Nc6 44. h7 Nd8 45. Kh6 a3 46. Nf3 a2 47. Nh4 (a1=Q? 48. Ng6#) Ng7+ 48. Kg6 a1=Q 0-1. If 47. Ne5!!! and mate next move.
Corect is 46. ... Nf7+ 47. Kg6 a2. ...etc.
Jan-05-16
Premium Chessgames Member
  kevin86: The pawns win the game for black.
Jan-05-16  green ink: Guys (al wazir, kmet vlado), 44. h7 a3 45. Kh6 Ne5 and it's all over. Or 45. Kg6 Nd8, likewise.
Jan-05-16  raphi45: Houdini 4 Pro (26 ply) says that Anand's 23. ...Nd7 wasn't that brilliant. It prefers 23. ...Qg7, giving it -.79 compared to -.5 for 23. ...Nd7. Of course in practical terms, it was a thing of beauty.
Jan-05-16  raphi45: Thinking about it, it might take 40 ply to find the truth as far as what is black's best 23rd move. It might be another 10 years before these engines can routinely give us 40 ply in a reasonable amount of time. Ah Truth, wherefore art thou.
Jan-05-16
Premium Chessgames Member
  al wazir: <green ink: 44. h7 a3 45. Kh6 Ne5 and it's all over>. Right. Thanks for the correction.
Jan-06-16
Premium Chessgames Member
  jith1207: Correct <raphi45>: considering that this game was played in 1999 and also the limited usage of engines at people's hands compared to the present, Black's 23Rd move looks like a thing of beauty to have played then, now and this game is forever etched so for the future as well.

As for the pun, not sure why it is used other than the beautiful word play on Vishy's name. As a NAND gate gets it right (on) even if one of the two inputs are wrong (Off), does this indicate that even a minor wrong play by the opponent wounded up as a victory for the hero here?! If only the opponent wins more Battles within the game, could then the outcome of the game have changed?

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