Alexander Grischuk vs Ruslan Ponomariov (2013)

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Alexander Grischuk vs Ruslan Ponomariov
World Blitz Championship (2013) (blitz), Khanty-Mansiysk RUS, rd 20, Jun-10
Four Knights Game: General (C46) · 1-0

ANALYSIS [x]

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Jun-10-13		notyetagm: Grischuk vs Ponomariov, 2013 Wow, check out the incredible <DOUBLE BLUNDER> at the end of the Round 20 game Grischuk vs Pomomariov! Grischuk blundered back his extra piece with 16 0-0??, based on the <SKEWER> down the e-file 16 ... Qe7xBe2! 17 Rf1-e1. Ponomariov resigned(!!), as Grischuk expected. Both of these 2700s overlooked that Black has the resource <17 ... Qe2-b5!=> and the Black b5-queen now <PROTECTS> the Black e8-rook instead of <INTERPOSING> on e2!

Jun-10-13		notyetagm: Grischuk vs Ponomariov, 2013 FIDE World Blitz Championship (2013) Game Collection: DOUBLE BLUNDERS 16 0-0?? Qe7xBe2 17 Rf1-e1 gives back extra piece but instead Black resigns 17 ... 1-0 ??, missing the saving resource 17 ... Qe2- Qb5!= 16 0-0 ?? 17 ... 1-0 ??

Jun-11-13		notyetagm: Grischuk vs Ponomariov, 2013 FIDE World Blitz Championship (2013) click for larger view 16 0-0?? 1-0?? click for larger view Here we have an example of an incredible <DOUBLE BLUNDER> made by two 2700-strength(!) players. White (Grischuk) played 16 0-0??, slyly intending to keep his extra e2-bishop by using the threat of a <PIN> down the e-file. That is 16 ... ♕e7x♗e2! 17 ♖f1-e1. (VARIATION) 16 ... ♕e7x♗e2! 17 ♖f1-e1 click for larger view Black (Ponomariov) believed Grischuk's analysis and resigned!! What did both player's overlook? (VARIATION) 17 ... ♕e2-b5!= click for larger view Black simply retreats his queen! The Black b5-queen now <DEFENDS> the e8-mating sq/e8-rook by <PROTECTING> from b5 instead of <INTERPOSING> from e2. Unbelievable. And Pono only finished 1/2-point behind LQL!

Jun-11-13		Shams: <notyetagm> Could you write a few more posts about the tactic? I don't get it yet. A half-dozen or so should do the trick, each replete with diagrams and all of them substantively identical.

Jun-11-13		notyetagm: <Shams: <notyetagm>> As The Joker said, if you're good at something never do it for free.

Jun-12-13		notyetagm: http://www.thechessmind.net/blog/20...

Jun-12-13		NM JRousselle: I have often told my students that it is difficult to find strong moves that are the result of a piece retreating. Retreats, especially queen retreats, along a diagonal seem to be the most difficult to find.

Jun-12-13		Eyal: Btw, 8.Nb5! - as Monokroussos notes in his blog - was a very good (near-)novelty for a blitz game. In the video footage (http://chesstv.com/broadcasts/160, from about 12:52:00), Ponomariov can be seen thinking about his response for more than a minute - and still blundering in the end with 8...0-0.

Jun-12-13		notyetagm: Grischuk vs Ponomariov, 2013 <NM JRousselle: I have often told my students that it is difficult to find strong moves that are the result of a piece retreating. Retreats, especially queen retreats, along a diagonal seem to be the most difficult to find.> Indeed. Too hard for two 2700s and the English commentators in this game. Does anyone know if the Russian language commentators saw 17 ... ♕e2-b5!= ? Shipov was one of them. Thanks

Sep-17-13		notyetagm: Grischuk vs Ponomariov, 2013 Game Collection: ROOK MIDDLEGAME SKEWER: EXPLOITING QUEEN IN FRON

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