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Dmitry Jakovenko vs Alexander Onischuk
Karpov Poikovsky (2012), Poikovsky RUS, rd 4, Oct-01
Queen's Gambit Declined: Harrwitz Attack. Main Line Old Main Line (D37)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 6 times; par: 35 [what's this?]

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Kibitzer's Corner
Oct-01-12  Karpova: Nice little shot at the end (32...Kxf6 33.Qe5+ followed by 34.Rc7 winning the Queen).
Oct-01-12  Whitehat1963: Wednesday puzzle after 31...Qd7.
Oct-03-12  paavoh: Do you guys find Black moves 17-20 (Qb6, f6,a5,Ra6) a bit artificial? How about playing Rd8 and fighting back on the a1-h8 diagonal by Be7-f8-g7, and defending by Bb7?
Oct-03-12
Premium Chessgames Member
  Troller: 17..Qb6 is to control c5 I guess. 18..f6 however looks like positional suicide IMO, although the online engine at chessbomb is not <that> averse to it.

The real downfall came with ..Bxc5?, but the line is not easy to spot. Jakovenko spent a long time on 26.Nd2, and he seemingly had calculated the winning combination already by then. It's suprising that after 27..Rxc5 Black doesn't have a safe exit; of course 27..Q-anywhere is losing the b-pawn, so it is safe to say Black is lost here. Still, White had the much better game by move 25.

Oct-04-12  Blunderdome: 32...Kf6 33. Qe5+ Ke7 34. Rc7 Nd6 35. Rxd7+ Bxd7

Is there no hope in this ending?


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Oct-05-12  GlennOliver: Blunderdome,

I was wondering just the same.

At worst, the passed pawn means that Black has a tenable defensive continuation of the game e.g.

32. Nxf6 Kxf6 33. Qe5+ Ke7 34. Rc7 Nd6 35. Qg5+ Rf6 36. Rxd7+ Bxd7 37. Qh6 Rf7 38. Qh4+ Ke8 39. Qg4 Ke7 40. Bd3 Bc6 41. g5+ Kd7 42. Qc5 Nb7 43. Qa7 Kc7

At best, Black can advance the passed pawn with winning chances.

Oct-06-12  elocym: What about 32. ...Qd6?
Oct-06-12
Premium Chessgames Member
  Sastre: If 32...Qd6, 33.Nxh7 Rd8 34.Ng5+ Kf8 35.Bxb5 .
Oct-09-12  notyetagm: Jakovenko vs Onischuk Poikovsky 2012 21 Ne4-c5 interposes threat to White b4-pawn e7-b4@c5+b4

"21.Nc5 White successfully holds the b4 pawn."

Oct-13-12  unionruler: @Blunderdome
36. Bd3 Rf7 37. Qc5 Rf8 38. Kg2
... Rc8 Qg5+ Kf7 Qh6 Rh8 Bxg6+
... Nf7 Qc5+ Ne6 leading back to line

Black is in zugzwang because of the 2 weakness rule. If R shuffles f7-f8, White King will go f3-e3-d4-e5 and win the knight.If Rd8 to try and unpin, white wins the h-pawn.

Oct-29-12  notyetagm: Game Collection: INTERPOSE! INTERPOSE! INTERPOSE! INTERPOSE!

Jakovenko vs Onischuk, 2012

Jakovenko vs Onischuk Poikovsky 2012 21 Ne4-c5 interposes threat to White b4-pawn e7-b4@c5+b4

<"21.Nc5 White successfully holds the b4 pawn.">

Nov-29-12  notyetagm: Jakovenko vs Onischuk, 2012

21 ?


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Q: How does White best meet the threat to the White b4-pawn?

21 ♘e4-c5 <interpose: e7-b4@c5+b4,c3,c1>


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A. By <INTERPOSING>, of course.

CHESS EVOLUTION WEEKLY NEWSLETTER: <"21.Nc5 White successfully holds the b4 pawn.">

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