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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
Premium Chessgames Member
  Phony Benoni: <Once: And some say he placed a dreadful curse in the midst of the game. To teach the King about humility, he made it so that a game could only be won if all the pieces worked together. A king would have to rely on the goodwill of his subjects.>

That should be Quote of the Day material.

Apr-02-11
Premium Chessgames Member
  kevin86: The queen sac was clearly unsound,but the rook did the trick.
Apr-02-11  Shamot: <Once> more!!
Apr-02-11  BOSTER: The white squares (the pawn structure d5,e6, f5, g6) in black camp are so weak that after easy wind they are swept away from the board. If you still remember game playing by Caruana (GOTD couple days ago) you don't need to think now and without any hesitations play 29.Rxe6 if Kxe6 30.Re2+ Kf7 31. Re7+ Kf8 32.Nh4 Rg8 33.Nxg6+ Rxg6 34.Qxf5+ Nf6 35. Bxf6 Rxf6 36.Qh7 and white wins.
Apr-02-11
Premium Chessgames Member
  Jimfromprovidence: Taking the rook was suicide for black. I only see white winning a pawn after 29...Rhe8, below.


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There does not appear to be a quick or easy win here.

Apr-02-11
Premium Chessgames Member
  Gilmoy: Earlier this week, in Judit Polgar vs R Edouard, 2011, I doodled: <<34.g5> amazingly reinforces the <weak back rank>: with f6/h6 covered, ...>


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<... White can mate with ... <>>


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36.<R*8> 37.<Rg8#>. P or B to 5-of-g!!

Apr-02-11  bachbeet: I got the initial move quickly and just wanted to see how the game continued after that. Very nice.
Apr-02-11
Premium Chessgames Member
  thegoodanarchist: I found the rook sac for the e-pawn, followed with the second rook's penetration on the e-file to e7 with check. (Not leading with the queen!)

Then I got too curious and looked at the answer. Score it however you will!

Apr-02-11  alachabre: My chessic spider sense tells me that I want to initiate an attack on the weakly defended and backward pawn on the e file. Hence the obvious 29. Rxe6 emerges as the first candidate.

29. Rxe6 Kxe6
30. Re2+ Kf7
31. Re7+ Kg8

What have I accomplished? Rook on the seventh rank, the d knight is pinned, the king is exposed. I don't see that it's enough for the investment, not just yet anyway. So how about this:

29. Nh4, threatening Nxg6 (the king is overloaded with defensive chores), followed by Rxe6 and Qxf5 and a full-scale invasion of the Black king's space.

29. ... Rg8, a natural defensive move, but this cuts off a key retreat square as noted in my first variation. A subtle change in my attack plan may make all the difference.

30. Rxe6 Kxe6
31. Qe3+ Kf7
32. Qe7#

Unfortunately, this slight change of attack enables an interposing move not palpable in the first variation:

31. ... Ne5, so back to the rook move.

31. Re2+ Kf7
32. Re7+ Kf8, and now my knight should be able to make a difference here. Yep, I see it.

33. Nxg6+ Rxg6
34. Qxf5+ Nhf6
35. Bxf6 and the avalanche begins.

Now, I like 29. Nh4 because it drastically improves the knight's placement, initiates a sacrificial attack on the weak e6 pawn, and invites the natural but probably wrong Rg8. The pawn structure seems to preclude a dangerous attack by Black, so this is a good move to play OTB without spending too much time finding good replies. If I am in a hurry, I play

29. Nh4, and let Black find the best response, during which time I will also use Black's time to find his best reply and plan accordingly, having a solid attack in reserve. Is this a viable strategy?

Apr-02-11  scormus: <Jim> I'm sure youre right, W certainly stands better after 29 ... Re8 30 Rd6 and perhaps 31 Qe3, but I see no prospects of quick win.

To be honest it never entered my head that B wouldnt take the Re6. You surely realise that the "cold, calculating mind of the organised criminal" that the public often associates with chess players, is a myth. Most players "grab whatever they can whenever they get the chance" in the manner of the opportunist thief.

Apr-02-11  rilkefan: <Even if we follow the game line it is not much easier. Black can give up Q for both Rooks with 32...Nf8!>

Glad to see that's a good choice, since I had trouble with it. I'd be interested to learn if non-sac lines like 29.Rce2 maintain an advantage for white.

Apr-02-11
Premium Chessgames Member
  Phony Benoni: <Jimfromprovidence> After 29.Rxe6 Rhe8 30.Rxg6 might be worth looking at;


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After 30...Kxg6 31.Nh4+ and 32.Qxf5 White will probably be able to pick up the g pawn as well, giving him four pawns and an exposed Black king for the rook. However, it feels a bit speculative since the ♖c2 will not be able to join in the attack easily, and it's probably betrer to take ths solid advantage with 30.Rd6.

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
Premium Chessgames Member
  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.


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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.


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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.
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