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Baadur Jobava vs Shakhriyar Mamedyarov
FIDE Grand Prix Tbilisi (2015), Tbilisi GEO, rd 5, Feb-20
Nimzo-Larsen Attack: Indian Variation (A01)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Feb-20-15  LucB: Well that was fun!
Feb-20-15
Premium Chessgames Member
  keypusher: A weird finale with Jobava very sort on time. They trade blunders with 21....Bc6 22.R1d4, then it's headed for a draw until Black's 26th...


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...when instead of ...Ke7 Mamedyarov plays the immediately losing ...Kf7. After 27.Qf4+ Mamedyarov played 27....Ke7 (27....Qf5 28.Qc7+ Kf6 29.Rf8+ loses more slowly), apparently in the expectation of a perpetual with 28.Qd6+. He resigned when Jobava pointed out that 28.Qf8 is mate.

It's funny, one of the patterns amateurs tend to learn fairly early is that, if a king on e7 is attacked by a queen and rook on f8 and d8 respectively, e6 is the only escape square. Here it was blocked.

A famous example of a GM overlooking another basic mating pattern is Keres vs Fischer, 1959.

Feb-20-15  Olavi: <keypusher> I've always thought Keres did that on purpose, as a farewell joke.
Feb-20-15  CHESS LIZARD: what a great chess game ,i love to see such type of creative game ,hope jobava will back to action with this game. perhaps game of the year
Feb-20-15  norami: Did Auntie Mame really make that stupid blunder? It might have been a draw by repetition with the wrong moves transmitted.
Feb-20-15  ChemMac: <keypusher> Just what does White do after 26...e5 ?
Feb-20-15
Premium Chessgames Member
  keypusher: <ChemMac> Well I figured just 27.Qd6+ Kg5 28.h4+ Kxh4 29.Qf6+ winning the rook, and that is probably good enough. But Shredder found a much stronger line: 27.Qd6+ Kg5 28.Rf8!! threatening Qf6+ and Rh8+. After that the engine gives 28....Kh6 29.Rh8+ Kg5 30.Qd8+ Kf4 31.Qf8+, again winning the rook but without losing so many pawns in the procress.
Feb-21-15  arnaud1959: <keypusher:It's funny, one of the patterns amateurs tend to learn fairly early is that, if a king on e7 is attacked by a queen and rook on f8 and d8 respectively, e6 is the only escape square. Here it was blocked.> More précisely, if there's no other piece on f7. Obviously, in this case, with the queen coming from f4, it was impossible.
Feb-21-15
Premium Chessgames Member
  tamar: Swings of fortune affect Mamedyarov more than other top players, and missing a mate can probably be traced to earlier missing a win with 17...Qc7
Feb-21-15  Nf8: <tamar: Swings of fortune affect Mamedyarov more than other top players, and missing a mate can probably be traced to earlier missing a win with 17...Qc7>

I suppose you mean 18...Qc7 - in the press conference (https://www.youtube.com/watch?v=j5D...) he mentions this as "better" for Black after 19.Qb2, and says that he calculated this line but thought that 18...Rxg7 19.Qxg7 Nc3+ is even more powerful; he simply missed 19.Rxd5!.

Feb-21-15  whiteshark: "After the poor start 0,5/4 the Georgian star returned into competition with a victory against Shakhriyar Mamedyarov.

<Jobava> used the same unorthodox opening he already tried against world champion Magnus Carlsen this winter.

At one point white sacrificed a pawn but then missed the best continuation and black took the tempo to solidify the structure.

The only way to retain some chances was to also sacrifice a bishop, which is exactly what Jobava did.

After several forced moves black made a terrible mistake, completely blundering white's <19.Rxd5>. Mamedyarov said he immediately wanted to resign but then he noticed that <19...Qb4> allows him to stay in the game a little longer. <18...Qc7 19.Qb2> where Jobava claims to have good compensation.

White committed another inaccuracy on move 22, but black quickly returned the favour and ended up checkmated.

Zurab Azmaiparashvili pointed that <22.Rd8+ Rxd8 23.Rxd8+ Kf7 24.c3> would win on the spot."

source: tournament page

Feb-21-15
Premium Chessgames Member
  tamar: <Nf8> I couldn't understand the audio very well, but I think both players thought 18...Qc7 19 Qb2 was better for Black, but neither saw it as completely winning.

Jobava seems to be everybody's friend, and even though he lost, Mamedyarov gave him a pat on the shoulder as they got up from the post mortem.

Feb-23-15
Premium Chessgames Member
  HeMateMe: Nice 12 move mating attack! Oh, to be a grandmaster...
Feb-24-15
Premium Chessgames Member
  The Long Diagonal: <tamar> <Jobava seems to be everybody's friend, and even though he lost, Mamedyarov gave him a pat on the shoulder> A friendly and classy gesture indeed, although by the loser to the winner, not the other way round.
Jan-07-21
Premium Chessgames Member
  fredthebear: 28.Qf8# is a Triangle Mate, a.k.a. Fishtail Mate: https://chessfox.com/triangle-mate/

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