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Dmitry Jakovenko vs Arkadij Naiditsch
Dortmund Sparkassen (2009), Dortmund GER, rd 2, Jul-03
Sicilian Defense: Najdorf Variation. English Attack (B90)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 5 OF 6 ·  Later Kibitzing>
Jul-03-09  Marmot PFL: In any case Jakovenko needs a win and won't get it playing safe.
Jul-03-09  outplayer: Jakovenko really deserves this win.
Jul-03-09  Dionyseus: Analysis by Rybka 3 x64 4CPU:

49.b7 Bf4[] 50.Be5[] h2 51.Rd8+ Kh7[] 52.Bxf4[] h1Q[] 53.b8Q[] Qd1+ 54.Kc4 Rc2+ 55.Kd4[] Qg1+ 56.Be3[] Qg4+ 57.Qf4[] Qh5 58.Bd2 Qh3 59.Re8 Qh5 60.Re4 Ra2 61.Bb4 (3.26) Depth: 24 00:04:51 103mN, tb=1022

49.b7
(3.46 !) Depth: 25 00:10:00 202mN, tb=2703

Jul-03-09  fjolle: white play be5 and win
Jul-03-09  acirce: <Ulhumbrus> Absolutely, if you are convinced the win is there you have to play it. But something tells me that even super-GM intuition says Black should have a perpetual. I look at the lines and there are so many only winning moves for White...
Jul-03-09  Eisenheim: i like Be5
Jul-03-09
Premium Chessgames Member
  tamar: We'll see if Jakovenko level of endgame play here.

Maybe a Capablanca or Petrosian could instantly see a safe haven for White's King if one exists.

Jul-03-09
Premium Chessgames Member
  Gregor Samsa Mendel: Here we go!
Jul-03-09  acirce: Of course it's entirely imaginable that there is a perpetual beyond Rybka's horizon. Anyone, say so when/if a perp pops up.
Jul-03-09
Premium Chessgames Member
  Sneaky: Wow, the moment of truth. Who had guessed that the third picked game, which started so drawish looking, would have ended up being today's cliffhanger?
Jul-03-09  acirce: Larry Christiansen jokingly suggested 53..Rb2+ 54.Kxb2 Qb7+, but unfortunately White doesn't have to take the queen.
Jul-03-09  SCUBA diver: How about Q-b1+, QxQ, R-g4.
Jul-03-09  Ulhumbrus: White is able to cover his King from all directions by the Rybka sequence given by <Dionyseus>, 53...Qd1+ 54 Kc4 Rc2+ 55 Kd4 Qg1+ 56 Be3 Qg4+ 57 Qf4
Jul-03-09  SCUBA diver: Forget it.
Jul-03-09
Premium Chessgames Member
  An Englishman: Good Evening: I like how Naiditsch keeps finding the means to keep on fighting--yet another difference between the really good players and us mere mortals. It is odd that we're back into the middlegame--Queens back on board, opposite-side castling, simultaneous attacks on the Kings, just like a typical complex Sicilian Defense.
Jul-03-09
Premium Chessgames Member
  Sneaky: <acirce: Larry Christiansen jokingly suggested 53..Rb2+ 54.Kxb2 Qb7+> that is so beautiful I would almost want to play it anyhow. The line doesn't even end there: White has to bring his king all the way to the 7th rank before Black totally runs out of tricks.
Jul-03-09
Premium Chessgames Member
  tamar: The pawn and bishop are surprisingly good cover, although the King must wander a bit.
Jul-03-09  SCUBA diver: The White King will find safety on f8.
Jul-03-09
Premium Chessgames Member
  fm avari viraf: I think, Black will run out of checks & resign.
Jul-03-09
Premium Chessgames Member
  Gregor Samsa Mendel: <fm avari viraf: I think, Black will run out of checks & resign.> If he doesn't run out of time first.
Jul-03-09  acirce: Fascinating details. He can't play 57.Ke6?? Re2+ so he needs to prepare it by 57.Ke4, getting his bishop to e3 as a shield and <then> head forwards again.
Jul-03-09  Marmot PFL: < fm avari viraf> after Qh1+ i am not certain white wins, though it seems likely
Jul-03-09  Ulhumbrus: 55...Qa1+! is a psychological tactic which 56 Kd5! defeats. The point is that after the other check 55...Qg1+, 56 Be3 leads to safety. Naiditsch invites White to persist in trying for safety with this formation after giving the other check 55 Qa1+, after which however it is no longer so good: 56 Ke4 invites 56..Re2+. However Jakovenko does not persist in trying to gain safety in a formation arising from another line but plays something else. Congratulations to Jakovenko for making this choice, and the moral is not to play for safety in a formation reached in another line, but to be flexible and play something else.
Jul-03-09
Premium Chessgames Member
  tamar: Same position except bishop now on e3
Jul-03-09  Marmot PFL: If the king reaches e6 it seems the queen trade is forced and black is SOL.
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