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Parimarjan Negi vs Fabiano Caruana
Airports Authority of India (2011), New Delhi IND, rd 1, Jun-22
Spanish Game: Closed Variations (C84)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jun-23-11  JonathanJ: f4!! is the key
Jun-23-11
Premium Chessgames Member
  Garech: Fantastic game from Caruna - it was very surprising to see the exchange sac with queens off the board. Can anyone come up with a plan that refutes it?

-Garech

Jun-23-11  suenteus po 147: Caruana must be taking lessons from Topalov's play, because I've seen that exchange sac where the bishop pair dominates the rook pair before.
Jun-23-11  drnooo: fairly sure this is the sort of thing that no computer no matter how far advanced would come up its probably not even sound but who knows anybody have any top flight comp analysis
Jun-23-11  fisayo123: <suenteus po 147> Yup. Done in typical Topalov style! Fantastic game from Caruana!
Jun-23-11  nolanryan: that's what she gets for playing like such a little wuss
Jun-24-11  noctiferus: <drnooo>
Houdini and Komodo find the sac at once.
Jun-25-11  checkmateyourmove: the way caruna uses his pawns to slowly creep to victory is precise and robotic. Inspired chess
Jun-28-11
Premium Chessgames Member
  Richard Taylor: I put the game on my old Fritz and it comes up with the exchange sac as the best move immediately.

Black gets the two Bs, an open file against the W king and some (pot passed) pawns he can advance. His advantage is not huge (not more than =) but the 2 Bs and the knight work well against the 2 knights in the position obtained. (Two knights and a B can be better in some positions than 2 Bs and a knight but the W rooks here are not as well positioned as Blacks - again the difference is not big but it is hard to play in practice against the 2 Bs and pawns advancing.

Jun-28-11  Xeroxx: Very good. Well done.
Jul-01-11
Premium Chessgames Member
  beenthere240: Look at Negi Caruana in this tournament. After move 16 Black is active and preparing for an exchange sac while white is still getting his pieces out of the box. I think he did just fine in this opening.
Aug-17-11
Premium Chessgames Member
  Phony Benoni: Position after <16.Nc4>


click for larger view

The exchange sacrifice is not at all surprising, seeing that moving the ♖d6 loses material anyway. Any decent computer would play it instantly. The interesting point is whether our Sicicon Masters would reach this position in the first place.

Go back to the position after <14.Bd5>:


click for larger view

How to protect the ♘c6? Surely 14...Bb7 or 14...Bd7 are OK, but it looks like Carunna wants to inject a little more life into the position. When he played 14...Rd6 he had to know that 15.Nd2/16.Nc4 could be coming. In other words, this is the point where he had to evaluate the exchange sacrifice, not at move 16. That's something Fritz and His Friends might have more trouble with.

A very important detail is the elimination of White's e-pawn. Without it White's knights can never find secure outpost squares, and the open lines are made for bishops. Many authorities consider 2 bishops at least equal to ♖+♘, and this game is a good example of why.

Mar-17-17  pilobolus: Anaconda!
Sep-12-18  PJs Studio: Absolutely gorgeous use of an exchange sac to create better pieces. Adds credit to Kasparovís comments on the strength of bishops.
Sep-12-18  John Abraham: positional sacrifices are among the most beautiful in chess
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