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David Navara vs Anna Dergatschova-Daus
Ordix Open (2007) (rapid), Mainz GER, rd 2, Aug-18
Queen's Gambit Declined: Chigorin Defense (D07)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Aug-25-07  Mameluk: Nice final coup de grace.
Aug-25-07  contra: Mameluk,

Its more of a coup des grace.

Aug-25-07
Premium Chessgames Member
  Gilmoy: It's a Nowotny interference!
Nov-17-07  notyetagm: <Gilmoy: It's a Nowotny interference!>

It's not just a <NOVOTNY INTERFERENCE>.

Position after 36 ♖c1-c6!!:


click for larger view

The Black e8-queen cannot capture the White c6-rook because <BLOCKADERS DO NOT DEFEND> and the Black e8-queen must <BLOCKADE> the White e7-passed pawn. That is, 36 ... ♕e8x♖c6 allows the snap mate 37 e7-e8=♕+ ♕c6x♕e8 38 ♕e5x♕e8#.

So Navara's 36 ♖c1-c6!! combines the <NOVOTNY INTERFERENCE> theme with the <OVERWORKED BLOCKADER> theme to create a truly masterful tactical blow.

Nov-17-07  notyetagm: Position after 36 ♖c1-c6!!:


click for larger view

Navara's 36 ♖c1-c6!! puts his White c1-rook on a square where it can be captured by three(!) different Black pieces and is not defended at all(!!!).

The tactical point is that not one of the Black pieces that appears to control the c6-square can actually capture the White c6-rook

1) 36 ... ♗b7x♖c6 37 ♕e5-e6# since the bishop capture <BLOCKED> the 6th rank and stopped the Black a6-rook from <DEFENDING> the e6-mating square


click for larger view

2) 36 ... ♖a6x♖c6 37 ♕e5-d5+ ♖c6-e6 38 ♕d5x♖e6# since the rook capture <BLOCKED> the a8-h1 diagonal and stopped the Black b7-bishop from <DEFENDING> the d5-checking square


click for larger view

3) 36 ... ♕e8x♖c6 37 e7-e8=♕+ ♕c6x♕e8 38 ♕e5x♕e8# since the Black e8-queen is needed to <BLOCKADE> the White e7-passed pawn


click for larger view

Navara's 36 ♖c1-c6!! is so brilliant that I want to give it the illegal !!!-annotation. Oh, what the hell.

36 ♖c1-c6!!!

Nov-19-07  arsen387: <notyetagm: Navara's 36 c1-c6!! is so brilliant that I want to give it the illegal !!!-annotation.> Exactly the same with me. Incredible, terrific finish by Navarra!!!
Nov-19-07  notyetagm: <arsen387: ... Exactly the same with me. Incredible, terrific finish by Navarra!!!>

And this was a rapid(!) game!

Welcome to the Navara Fan Club. :-)

Apr-03-08  dabearsrock1010: i almost suspect this was somehow composed because its such an unbelievable tactic
Apr-24-08  positionalgenius: Rc6!!! What a move by Navara.
Feb-16-09  RobertLangdon: 36.Rc6!!! Is Incredible. I would never find it in a million years.
Feb-16-09
Premium Chessgames Member
  whiteshark: Tuesday puzzle!
Feb-16-09  MaxxLange: Harder to see than Tuesday...a really stunning blow!
Dec-03-10  sevenseaman: Rc6!! Incredible! I didn't find it even now - well almost.

Chess players are capable of producing 'Mona Lisas'.

Sep-06-11
Premium Chessgames Member
  Domdaniel: I hate to be the lone voice of dissent here (heh) ... but 36.Rc6 isn't *that* amazing. I think I'd see it in a game, and my rating at its best was even lower than Navara's opponent here.

It's pretty, I admit. But this is no 'notable game' - it's a strong GM playing White against a much weaker opponent, and mopping up.

And I say this as a longtime Navara fan.

Aug-17-12  LoveThatJoker: <Whiteshark> Agreed! "36. ?" White to play and win, would make for an awesome Tuesday puzzle!

LTJ

Aug-17-12  AKE88: beautiful final
Sep-19-12  Conrad93: I have to agree with Domdaniel.

36.Rc1-c6! is a good move, but it is far from brilliant, and does not deserve two or three exclamation marks.

Interference is a basic tactic for the aspiring chess player.

Feb-01-15  Travis Bickle: Rc1-c6 is a GM tactic...
Sep-28-15  SpiritedReposte: A note-worthy nowotny. Hasn't been a puzzle yet? *tsk tsk*
May-14-17  clement41: Omg what a lovely Nowotny! 36. ?
Dec-19-18
Premium Chessgames Member
  An Englishman: Good Evening: Quite the stunning finish, but let's not forget the rest of the game as it features a lot of interesting chess. For example, look at the position after 28...cxd6--if you didn't have the game score, how would you explain White's e7 pawn? Also, after 13.Bf2 Black's position seems adequate, but should she have played 13...f4 with a future King's Indian Defense-style attack against the White Monarch?
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