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Aleksey Dreev vs Ivan Galic
European Club Cup (2008), Kallithea GRE, rd 3, Oct-19
Slav Defense: Modern Line (D11)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Apr-02-11  morfishine: <cyclon> While 32...Ng7 lets white knight into <f4>, all it really does is prolong the agony; black ends up playing <Rh7> in both cases but is so tied up, it doesn't matter. Thanks for looking, Morf
Apr-02-11  patzer2: <Jimfromprovidence> Playing it out with Fritz, here's one possibility after 29...Rhe8:

29... Rhe8 30. Rxe8 Rxe8 31. f3 gxf3
32. Qxf3 Ndf6 33. Qb3 Kg8 34. Ne3 Qf7 35. c6 bxc6 36. bxc6 Qe6 37. h3 Nxg3 ( 37... Ne4 38. Qxd5 Nxg5 39. c7 Kg7 40. Qxe6 Nxe6 41. c8=Q Rxc8 42. Rxc8 Nxd4 43. Kf2 Kf6 44. Rc7 a6 45. Ra7 Ke5 46. Rxa6 ) 38. Bxf6 Qxf6 39. Qxd5+ Kh7 40. c7 Qe7 41. Qe5 Qxe5 42. dxe5 Rc8 43. Nd5 Kh6 44. Ne7 .

There's probably some improvements for Black in here, but the idea is it's going to be tough for Black to defend the isolated d-pawn or to defend against a passed pawn on the Queen side.

Apr-02-11  knight knight: White to play, material even.

I'll look at 29. Rxe6 first, partly because the game of the day has a similar move. Black could decline the sac, with, say, 29...Rhe8, but accepting the sac with 29...Kxe6 is the line to look at.

30. Re2+ Kf7. If 30...Ne5 then 31. Rxe5 Rhe8 32. Rxd5 is quite good for white.

31. Re7+ Kg8 32. Qe3 with 33. Qe6# threat. If 31...Kf8 32. Qe3 Rg8 33. Qe6 Rg7 34. Bh6 looks pretty yucky for black.

32...Rh7. If 32...Ne5 then 33. Rxc7 Nxd3 34. Rxc8+ Kg7 35. Rc7+ Kg8 36. Rxb7 with a two-pawns up endgame.

33. Qe6+ Kh8 here I'm stuck. I thought I found a pretty line with 34. Re8+ Rxe8 35. Qxe8+ Kg7 36. Bd8 practically trapping the queen, but black can reply 36...Ndf6.

Maybe 34. Rxh7+ Kxh7 35. Qf7+ Kh8 36. Qxg6 Ng7 nope...

Oh well, let's see what happened...

Apr-02-11  knight knight: Hmmm, I was close...
Apr-02-11  BOSTER: <Jim> <29...Rhe8> <Phony Benoni> <After 29 Rxe6 Rhe8 ...30.Rd6>. If black does not accept such gift like rook after 29.Rxe6 and play Rhe8,I guess game should continue like this: 30.Rxe8 Rxe8 31.c6 Ndf6 32.cxb7 Qxb7 33.Nf4 Nxf4 34.Bxf4 Re7 35.Rc6 and white is better because they can use extra pawn on the Q's side, but black certainly have possibility to draw -weakness g2,f3,h3.
Apr-02-11  WhiteRook48: hmmm... I went for a quiet 29 Qe2, thus failing the puzzle- but what can you expect for a Saturday
Apr-02-11
Premium Chessgames Member
  Jimfromprovidence: I like the idea of <Phony Benoni>, that is, not exchanging rooks after after 29.Rxe6 Rhe8 but continuing with the aggressive, forcing 30.Rxg6.


click for larger view

Here, white threatens 31 Qxf5+, so it looks like 30...Kxg6 is necessary.

So, after 31 Nh4+ Kg7 32 Qxf5, white gets the position his way.


click for larger view

White has the threat 33 Qxg4, (with a discovered check threat as well), so I'm not sure if black can afford to play 32...Nf8 instead of moving his king to h8 first.

It looks like white is better here.

Apr-02-11  stst: It might be 4/1 continued.
Bk is not obligated to take the R after 29.Rxe6, but instead go either Rbe8 or Rhe8. But if Bk K does not take R, then 30.Rxg6 and Bk must take, else Qxf6 is too much. After Kxg6 Nh4 and W is definitely better, but no immediate win.
Apr-02-11  TheBish: Dreev vs I Galic, 2008

White to play (29.?) "Very Difficult"

OK, not too much time (missing the Uconn-Kentucky basketball semifinal game at this moment), so I'm going to put down my hunch with some superficial analysis - a la Tal! With that note, it's time for a Tal-like sacrifice.

29. Rxe6!!

I'm sure that's the move, as that seems the best move to get at the king.

29...Kxe6

"The only way to refute a sacrifice is to accept it."

30. Re2+ Kf7

Pretty forced; if Black chooses to return material with 30...Ne5 31. Rxe5+, it gets worse after 31...Kf7 (worse is 31...Kd7) 32. Re7+ Qxe7 33. Bxe7 Kxe7 34. Qe3+ Kf7 35. Qe5 Rhe8 36. Ne3 Nf6 37. a4! and White's queenside majority should soon pay off, not to mention that Black's pieces are all tied up to defense.

31. Re7+ Kf8

Or 31...Kg8 32. Nh4 and the g-pawn will fall, and possibly the f-pawn as well.

32. Nh4 Rg8 33. Nxg6+! Rxg6 34. Qxf5+ Rf6 35. Bxf6 Nhxf6 36. Qe6 and wins.

Of course, not all of that is forced, and probably there's a line much better, but that an idea of how good White's position is.

Time to check before I miss the end of the basketball game!

Apr-02-11  TuxedoKnight: i hope you guys didn't mind my Aprils fool joke.

the joke was "go check out http://tuxedoknight.uphero.com , there is a hilarious joke inside"

but there wase none! haha! :S

=)

Apr-02-11  picard: how about 28 ... Ndf6
Apr-03-11  picard: white would win anyway... his b or c pawn would promote even if the black king gets tucked away
Apr-03-11
Premium Chessgames Member
  gawain: I see that I am in good company in failing to see my way clearly beyond 32 Qe3.
Mar-13-21  Refused: 29.Rxe6! screams out to be played. 29...Kxe6 the next move is the one where one can go wrong 30.Re2+ Kf7 31.Re7+ Kg8 32.Qe3 Rh7 33.Qe6+! that's the point. 33...Kh8 34.Nh4 and curtains.

Personally I think I would have tried 31...Kf8 32.Qe3 Ndf6 33.Rxc7 as black I don't think it's better/more survivalable than the game but I simply like to pretend to not get mated and maybe consolidate in some fantasy world

Mar-13-21  Walter Glattke: 29.Rxe6
A) 29.-Rhe8 30.Rd6 +-
B) 29.-Kf8 30. Rxg6
C) 29.-Kxe6 30.Re2+ Kf7 31.Re7+ Kg8 32.Qe3
Nf8 33.Rxc7 Rx7 34.Qe6 Rf7 35.Qxd5
+-/32.- Ne5 33.dxe5 Qxc5 34.Qxc5 Rxc5 35.Rxb7 (Rc1? Bxc1) +-
D) 29.-Kxe6 30.Re2+ Ne5 31.Rxe5 Qxe5
32.dxe5 Kxe5 33.Nf4+ +-
Mar-13-21  mel gibson: I saw the first move straight away
and that Black would be in big trouble.

Stockfish 13 agrees and says:

29. Rxe6

(29. Rxe6 (♖e1xe6 ♔f7xe6 ♖c2-e2+ ♘d7-e5
♖e2xe5+ ♔e6-f7 ♖e5-e7+ ♕c7xe7 ♗g5xe7 ♔f7xe7 ♕d3-a3 ♔e7-f6 ♕a3xa7 ♖h8-h7 ♕a7-b6+ ♔f6-g5 ♕b6-e6 ♖c8-f8 ♕e6xd5 ♔g5-h6 ♕d5-e6 ♖f8-f6 ♕e6-e5 f5-f4 d4-d5 ♖f6-f5 ♕e5-e6 ♖h7-f7 ♘g2xf4 ♘h5xf4 g3xf4 ♖f5xf4 ♕e6-e3 ♔h6-h7 d5-d6 ♖f4-f3 ♕e3-d4 ♖f3-f4 ♕d4-d2 ♖f4-f3 c5-c6 b7xc6 b5xc6 ♖f3xf2) +6.27/36 180)

score for White +6.27 depth 36

Mar-13-21  Walter Glattke: 33.Qe6+ (Refused) wins after 33.-Kh8 34.Nh5 Rg8 35.Nxg6+ Rxg6 36.Re8+ Rg8 37.Qxg8# or 36.-Kg7 37.Rg8# very difficult
Mar-13-21  Brenin: After the obvious 29 Rxe6 Kxe6 30 Re2+, how about 30 ... Ne5 31 Rxe5+ Kf7 32 Re7+ Qxe7 33 Bxe7 Kxe7, and Black has survived the attack with 2R for Q+P.
Mar-13-21  Brenin: As a follow-up to my suggestion of 30 ... Ne5, 34 Qa3, threatening both Qxa7 and c6+, looks good for White, so maybe Black hasn't survived after all.
Mar-13-21
Premium Chessgames Member
  chrisowen: Navarro i key Rxe6 goodness bluff lofty key i frazzled it ok vindicated ivory key aids in navarro lob it ok vindicated ivory key i frank pain v mouth with i quoy jenga dj eg cuz its tiara bleeps key hope dither key i egg wood fiery key i gritz man i key tall Re8 gob it hocus acrid key i muddle Kf7 edict aorta jastha key in Rxe6 affable effects its herbie goes key etc?
Mar-13-21  RandomVisitor: Black can decline to take the rook sac and hold out a bit longer. Other moves are worth investigating:


click for larger view

Stockfish_21031012_x64_modern:

<48/77 1:53:36 +7.17 29.Rxe6 Rhe8 30.Rd6> Ndf6 31.Qb3 Kg7 32.Nf4 Re1+ 33.Kg2 Nxf4+ 34.Bxf4 Qe7 35.Be5 Rxe5 36.dxe5 Qxe5 37.Qc3 Qxc3 38.Rxc3 Ne4 39.Rd7+ Kf6

<47/77 1:53:36 +6.47 29.Nf4> Nxf4 30.Bxf4 Qa5 31.Qe3 Nf8 32.Qe2 g5 33.Bxg5 Rg8 34.Bh6 Rg6 35.Bf4 Qa4 36.Qd3 Rg7 37.Rec1 Ng6 38.Bd6 Kf6 39.Re2 Qb4

<47/62 1:53:36 +4.59 29.Qe3> Rhe8 30.Nf4 Ndf6 31.c6 Ne4 32.Nxh5 gxh5 33.Bf4 Qb6 34.Rec1 bxc6 35.bxc6 Rg8 36.c7 Qb4 37.Be5 Rg6 38.Kg2 Ke7 39.Qd3 Qa4

Mar-13-21
Premium Chessgames Member
  agb2002: White has a bishop for a knight.

The black king protects e6 and the pieces are not very well coordinated. This invites to play 29.Rxe6 Kxe6 (else drops a pawn at least: 29... Nxc5 30.Rxc5) 30.Re2+:

A) 30... Kf7 31.Re7+

A.1) 31... Kf8 32.Qe2

A.1.a) 32... Ng7 33.Nf4, with the threats Rxg7, Nxg6+ and Nxd5 looks good for White.

A.1.b) 32... Ndf6 33.Rxc7 Rxc7 34.Qe5 Rf7 35.Qb8+ and 36.Qxa7 seems to win for White.

A.1.c) 32... Rg8 33.Qe6 Rg7 34.Bh6 Ne5 35.Rxc7 Rxc7 36.Qxe5 wins decisive material.

A.2) 31... Kg8 32.Qe2 (32.Qb3 Rh7)

A.2.a) 32... Ng7 33.Nf4 looks similar to A.1.a.

A.2.b) 32... Rh7 33.Qe6+ Kh8 34.Nh4 Rxe7 35.Nxg6+ followed by 36.Nxe7 looks winning.

B) 30... Ne5 31.Rxe5+ Kf7 32.Re7+ Qxe7 33.Bxe7 Kxe7 34.Qb3 Rhd8 35.Ne3 followed by a pawn roll looks advantageous for White.

Mar-13-21
Premium Chessgames Member
  chrisowen: No like fire outlet?
Mar-13-21
Premium Chessgames Member
  Breunor: Oh totally missed it.
Mar-13-21  sophiephilo: I actually got this.
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