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Sergey Karjakin vs Dmitry Kokarev
Russian Team Championship (2012), Sochi RUS, rd 7, Apr-15
Sicilian Defense: Najdorf Variation. Poisoned Pawn Accepted (B97)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Apr-15-12  JoergWalter: this game is something else. Karjakin plays phenomenal.
Apr-15-12
Premium Chessgames Member
  tamar: 65...Nh5+ was a help though. Safe knight moves would have drawn.
Apr-15-12  JoergWalter: <tamar: Safe knight moves would have drawn>

Which of Nd7,Ne8 or Ng8 has drawing potential?

Apr-15-12  Calar: <JoergWalter> - all of these moves draw.

http://www.k4it.de/index.php?topic=...

Apr-15-12  JoergWalter: thank you very much <calar>. I thought that even after Nd7, Ne8 or Ng8 the simple Rh5+ could win as long as white maintains his pair of rooks.
Apr-15-12
Premium Chessgames Member
  tamar: Not to say Karjakin might have won anyway.

The tablebase draws include some only moves down the line.

For example, 65...Ng8 66 Rh5+ Kg7 67 Ra7+ Kf8 (only move, 67...Kf6 68 Rf5+ Ke6 69 Ra6+) 68 Rhh7


click for larger view

Here again, Black has only one move to draw! I'll let you solve it, I lost this position several times before checking.

Apr-15-12
Premium Chessgames Member
  cro777: The Najdorf Poisoned Pawn is constantly under debate. The line is extremely well researched.

Position after 23.Bxf8


click for larger view

<23...Kxf8> This is the first new move in the game.

At the European Team Championship Final in correspondence chess Andriuschenko played <23...Nxf8> against Wolfgang Schneider.

White has the initiative. Black has three pawns for the exchange.

Black could have hold on for a draw. He blundered in an objectively drawn position.

Apr-15-12  twinlark: Karjakin certainly knows how to pose problems for his opponent to solve - the mark of a strong player.
Apr-16-12  JoergWalter: <twinlark> i guess you mean that the mark of a strong player is to pose problems the opponent cannot solve
Apr-17-12  notyetagm: Game Collection: I WANT MY KING TO BE AT LEAST *TWO* SQUARES AWAY FROM YOUR KING

Karjakin vs D Kokarev, 2012 65 ... Nf6-h5+?? 66 Rb5xNh5+! Black h6-king trapped on h5

Apr-17-12  notyetagm: Game Collection: TRAPPED PIECE: ON THE EDGE OF THE BOARD

Karjakin vs D Kokarev, 2012 65 ... Nf6-h5+?? 66 Rb5xNh5+! Black h6-king trapped on h5

Apr-17-12  notyetagm: Game Collection: SELF-BLOCKS: CAN'T CAPTURE YOUR OWN PIMP

Karjakin vs D Kokarev, 2012 65 ... Nf6-h5+?? 66 Rb5xNh5+! 1-0 Black g6-rook is critic block

Apr-17-12  notyetagm: CHESS TODAY 107(4178)

One curious endgame from the last
round would fit perfectly in our
"Beware: Blunder!" column:
Karjakin (2766) - Kokarev (2637)
19th TCh-RUS Sochi (7), 15.04.2012

XIIIIIIIIY
8- +0{
7 0
6- snrmk0
5+R 0
4- mK 0
3 0
2- +0
1tR- 0
xabcdefghy

According to endgame tablebases, this
is a draw, but...
65...¤h5+?? 66.¦xh5+ 1–0

Apr-17-12  twinlark: <JoergWalter: <twinlark> i guess you mean that the mark of a strong player is to pose problems the opponent cannot solve>

That's an interesting way of putting it. Seeing as a game can't be won without being able to capitalise on an opponent's mistake, the ability to take a position into waters too deep for the opponent to negotiate OTB could well be the mark of a strong player.

Apr-17-12
Premium Chessgames Member
  cro777: <twinlark: The ability to take a position into waters too deep for the opponent to negotiate OTB could well be the mark of a strong player.>

Besides, knight and rook versus two rooks endgame is far from an easy draw.

At the International tournament in Novgorod 1997 (six top grandmasters including the world champion participated in the double round robin event) Kasparov won such an ending against Bareev.

Garry Kasparov - Evgeny Bareev

Position after 58...Rb5


click for larger view

According to tablebases this is a draw.

Kasparov won the game.

59.Ra2 Kg6 60.Ra6 Nf4 61.Ke7 Kg5 62.Rg1+ Kh4 63.Ra4 Rf5 64.Rg8 Kh3 65.Ra3+ Kh2 66.Ra2+ Kh3 67.Rd2 Re5+ 68.Kf6 Re3 69.Kf5 Ne2 70.Rb2 Kh2 71.Rg7 Re8 72.Rg6 Re3 73.Re6 1-0

Instead of 72...Rb3?? Black should have played 72...Kh3.

Apr-17-12  JoergWalter: <twinlark: ...the ability to take a position into waters too deep ..>

I think Tal put it somehow this way, to go to a forest where 2x2=5 and the path into it is wide enough for two to enter but the way out is only wide enough for one.

Apr-22-12  jusmail: This is one fine game!
Sep-05-17  sls: What a slip!

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