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Jan-Krzysztof Duda vs Sergey Karjakin
World Cup (2021), Krasnaya Polyana (Sochi) RUS, rd 8, Aug-05
Queen's Gambit Declined: Semi-Tarrasch Defense (D40)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Aug-05-21  Ulhumbrus: The computer evaluations suggest that 11...Qb6? is a mistaken and unprofitable exchange of the isolated but central d5 pawn for the flank b2 pawn. The d5 pawn falls and leaves White with an advantage which persists for the remainder of the game.

Instead of this the computer gives 11...h6 12 Bh4 Rc8 and then a battle begins over Black's d5 pawn, perhaps similar to that in the Tarrasch defence.

Aug-05-21  not not: i was watching the game live and 16... Nb4 seemed an exciting option, like throwing a piece of meat on b4 square to lure lioness for a pin

16... Nxb4
17 Qbx4 a6!

wining bishop and opening A line for rook to harass white king

17 white whatever pxb5

and now black rook could invade a file onto second rank. its still pawn down, but its 4 vs 3 pawns on kingside and you have counterplay on second rank

Aug-06-21  doash: 18. a4!, and gain material by capturing on b5.
Aug-06-21  doash: Though I agree, 24...Nc6, and Na5? are also serious mistakes.
Aug-06-21  not not: 16.. Nb4
17 Qxb4 a6
18 a4 axb5
19 axb5 Rfd8

and what now? after all rooks go, you have 4 vs 3 pawns on kingside, otherwise material is balanced: queen and knight vs queen and bishop

Aug-06-21  DansChessLounge: With Duda king being in the middle of the board, I question Karjakin decision to force the queen trades. Good win by Duda though.

Check out the video analysis of the game ---> https://youtu.be/FMWzapRbZWE

Aug-08-21  Ulhumbrus: The move 15 Ke2!! if it works seems a brilliant example of the art of evaluation. White appears to gives up safety for his king but Black seems unable to take advantage of it.

White's positional advantage may explain it: He has a lead in development and can be said to possess not just central superiority but perhaps control of the centre.

Why not connect the rooks by 15 0-0? It seems that White intends to advance his king side pawns for a king side attack. Then 16 Qb3 both attacks the bishop and occupies the a2-g8 diagonal

After 15 Ke2 suppose that Black tries to open the centre by 15...f5. Then 16 Qb3 both attacks the bishop and occupies the a2-g8 diagonal

Some computer analysis suggests that Black can try to get his pieces out in order to try to attack White's king but because of White's lead in development and central control White gets in first eg by moves such as Rd7

Aug-09-21
Premium Chessgames Member
  grubyilysy: Exactly: 15. Ke2 (!!) - "move of the Year".
Aug-09-21
Premium Chessgames Member
  saffuna: <Exactly: 15. Ke2 (!!) - "move of the Year".>

Daniel King says the position is effectively an endgame, even though the queens are still on. So the king is better on e2 than g1 in an ending.

Aug-10-21  Ulhumbrus: A correction to my previous message : <white appears to gives> etc should be <white appears to give> etc
Sep-03-21  thegoodanarchist: I submitted this game for GOTD, with the following pun:

"Camptown Ladies Sing This Song: Duda! Duda!"

JKD deserves to be recognized for his dominant World Cup 2021 win, where he defeated the likes of Karjakin and Carlsen.

Here is a reference for the pun, which contains the historically significant first ever film footage of a running horse:

https://www.youtube.com/watch?v=cdZ...

Sep-03-21  Granny O Doul: There are references to that lyric on Duda's player page going back to 2014.

If it's to be used just once, I think "Oh, Duda day" is pithier.

Sep-22-21
Premium Chessgames Member
  grubyilysy: I have analyzed 15.Ke2.
The only way to challenge JKD's idea seems 15...a5! securing b4 field for Knight. For example after imposing 16.Rhd1? Nb4! black is already better (17.Rd7? N:a2!). It doesn't change my opinion on Ke2!!, it's genius move. Like 11..Nh5 of Fisher, or 21...Nf4 of Tal.
(just only this last finally was prooved by computer as valid).
Feb-19-22
Premium Chessgames Member
  FSR: Daniel King's analysis: https://www.youtube.com/watch?v=cvE...

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