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Igor V Glek vs Dimitrij Bunzmann
TCh-FRA Top 16 (2007), Clichy FRA, rd 8, May-31
French Defense: La Bourdonnais Variation (C00)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-16-11  Patriot: Fun puzzle. I didn't consider the 23...e5 defense, but looked at 23...Kf8, 23...Ne4, 23...Nf5, and 23...Nf7.

For example,

A) 23...Kf8 24.Qh8+ Ke7 25.Bh4#

B) 23...Ne4 24.Qh7+ Kf8 25.Bc5+

B.1) 25...Nxc5 26.Rf1+ Ke7 27.Qh4#

B.2) 25...Nd6 26.Rf1+ Ke7 27.Qh4#

B.3) 25...Re7/Qe7 26.Qh8#

C) 23...Nf5 24.Qh7+ Kf8 25.Bc5+ Nd6 26.Rf1+ Ke7 27.Qh4#

D) 23...Nf7 24.Qh7+ Kf8 25.Bc5+

D.1) 25...Nd6 26.Rf1+ Ke7 27.Qh4#

D.2) 25...Re7 26.Rf1 is crushing.

There are some lines where the queen "could" interpose, but it's kind of silly to continue calculating an obviously losing line like a computer unless you just want practice in visualization.

Jun-16-11  castledweller: I think the reason that this was easy for alot of players today is because of repetition - because we see this attacking theme so often . . .

the B-sacrifice theme, especially along the a2-h7 diagonal, followed by the Q-h file check move.

Reminds me of boxing with the right jab, left hook. After that one-two punch of B-sac at h7 followed by Qh5+, black was on the ropes.

Jun-16-11
Premium Chessgames Member
  kevin86: White threatens Qh8# and black has NO escape.
Jun-16-11
Premium Chessgames Member
  beenthere240: The tension is growing. Who among us doesn't sense a spoiler in the air?
Jun-16-11  gofer: <21 Bxh7+ ...>

Option 1: Accept

21 ... Kxh7+ 22 Qh5+ Kg8 23 g6 Nf5 24 Qh7+ Kf8 25 Bc5+ Nd6 26 Rf1+! Ke7 27 Rf7+ Kd8 28 Rxd7+ Kxd7 29 Qxg7+ ...

29 ... Kc8 31 Bxd6 mating
29 ... Kc6 30 Bxd6 Kxd6 31 Qxb7 winning
29 ... Kd8 30 Bxd6 Rc8 31 Qxb7 winning

29 ... Re7 30 Qe5 Ne8 31 Bxe7 Kxe7 32 Re1 Bc8 33 Qxd5 Rb8 34 Qg5+ ... winning easily

Option 2: Hide in the corner

21 ... Kh8
22 Qg5 ...

22 ... Rec8 23 Bc2+ Kg8 24 g6 winning as 25 Bh4 is coming next 22 ... Nf5 23 Bxf5+ Kg8 24 Bh7+ moving to one of the other variations but without the knight! 22 ... Ne4 23 Bxe4+ Kg8 24 Bh7+ moving to one of the other variations but without the knight! 22 ... Nf7 23 Bg6+ Kg8 24 Bxf7+ Qxf7 25 g6 Qf5 26 Qh7+ Kf7 27 Bh4 mating 22 ... g6 23 Bd4+ e5 24 Bxg6 Kg8 25 Rxe5 Rxe5 26 Bxe5 Kf8 27 Rf1+ Ke7 28 Bf6+ Kd6 29 Qg4+ Nf5 30 Bxf5+ winning easily

Given the above, black should probably play...

Option 3: Hide in the open!

<21 ... Kf8>

Now this is the interesting bit white could play 22 Bg6 Ke7 23 Bxe8 Rxe8 and win a pawn and the exchange and can probably pick up Pg7 or Pa7 quite quickly, but is this a "win"? How about gaining control of the all important e7 and d8 squares cutting off the king's escape??? Okay, Bh7 gets stranded but is this okay???? 22 g6!? Nf5 23 g4!? Nh6 24 Bh4 Re7!? 25 Rf1+

<22 Bg6 Ke7>
<23 Bxe8 Rxe8>
<24 Qd4 ...>

Time to check!

Jun-16-11  scormus: Oh no, not the Greek Gift AGAIN!

I wondered if 21 g6 might have been the move, after all, theres no WN on f3 today. But the usual B-sac seems to work (at least it does today).

21 Bxh7+ Kxh7 22 Qh5+ 23 Kg8 23 g6 and the BK will soon run out of places to run. At first I thought B could fight on with 23 ... Nf5 as the BN prevents Bh4. But there Bc5+ instead which several people already saw means 1-0.

Jun-16-11  LIFE Master AJ: Its raining Bishops!

Black dared White to sack on h7. (Bad idea, Glek is a very strong GM.)

I do think 24.Bh4 is superior to 24.Bc5+. (Although I hasted to point out, I have not done any computer work again.)

Jun-16-11  LIFE Master AJ: I was right, 24.♗h4! was much superior to Bc5+. (The idea is to cut the BK's escape square off ... completely, 24.Bc5+ might allow Black to interpose on d6.)
Jun-16-11  LIFE Master AJ: Chilton,James I - Gavriel,Tryfon (2170) [C00]
London Classic op London (1), 08.12.2010

1.e4 e6 2.f4 d5 3.e5 Nh6 4.d4 c5 5.dxc5 Bxc5 6.Bb5+ Nc6 7.Qe2 0-0 8.c3 f6 9.Be3 Bxe3 10.Qxe3 fxe5 11.fxe5 Ng4 12.Qg3 Nf2 13.Nf3 Nxh1 14.Qh3 Nf2 0-1

Jun-16-11  LIFE Master AJ: Not a ton of games in the DB after Black's fouth move, above is just one example.
Jun-16-11
Premium Chessgames Member
  patzer2: For today's Thursday solution the demolition sham sacrifice 21. Bxh7+! yields a decisive attack against the weakened castled position.

If 21...Kf8, then 22. Bg6 wins when play might continue 22...Rec8 23. Bg3! Ke7 24. Qd4 Rg8 25. Qc5 Qc6 26. Bxd6+ Qxd6 (diagram below)


click for larger view

27. Rxe6+! Kxe6 28. Re1+ Kd7 29. Bf5+ .

If 23...Nf5, then 24. Qh7+ Kf8 25. Bc5+! wins as play might continue 25...Nd6 (diagram below) when it's mate-in-two after


click for larger view

26. Rf1+ Ke7 27. Qh4#.

Jun-16-11  VincentL: "Medium"

The "main line" is obviously 21. Bxh7+ Kxh7 22. Qh5+ Kg8 23. g6, followed by 24. Qh7+ Kf8 25. Qh8+ Ke7 26. Bh4 mate.

As yesterday, the difficulty of the puzzle lies in finding the optimum lines against the various defences.

Black can play 23.....Ne4. White then responds 24. Rxe4 and whether black plays dxe4 or not the above mating line cannot be stopped.

However 26.....Nf5 appears to offer tougher reoslve. After 24. Bc5+ Nd6 25. Qh8+ Ke7 26. Qxg7+ Kd8 the king is escaping. If 24. g4 Kf8 and black gains a tempi enabling escape.

Black can also decline the bishop sacrifice, and play 21. Kf8. Although white is clearly better and a pawn up, I see nothing immediately decisive.

No time for more. Letīs check the game and other kibitzes.

Jun-16-11  VincentL: <Phony Benoni> gives the line against 23....Nf5.

Should have seen this...d?&!?n.

Jun-16-11
Premium Chessgames Member
  Once: <FSR> Dang it, sir, but you are right. That'll teach me to write in a tearing hurry. Or maybe it won't...
Jun-16-11  LIFE Master AJ: GM Igor V. Glek (2531) - Dimitrij Bunzmann (2525) / [C00] FRA-chT / Top 16 GP Basse, France (Rnd # 8.3) / 31,05,2007. [Part I]

Both the POTD and the "Game of The Day," were very interesting ... I decided to annotate one of them.

I did not like much of Black's play, I thought that D. Bunzmann made some basic errors ... early on. (So I annotated this game ... as much as for my own understanding, as anything else.)

1.e4 e6; 2.f4!?,

OK, go ahead and throw the opening book in the trash can for this game, its not going to be a lot of use here!


click for larger view

Black should think long and hard of where he is going to place his pieces.

[ An FM is south FL once gave the following piece of advice: "A.J., you should always take a lower-rated player out of book as soon as you can." (He believed the sooner a non-master went out of book, the more likely it was that they would make a mistake.) We can only guess at Glek's reasoning here, and maybe why he played 2.f2-f4!? ]

["Book" is: 2.d4, etc. ]

2...d5; 3.e5,

To me, this makes more sense than capturing on d5, White has to get in some development before he opens this position up!

3...Nh6!?; (Hmmm.)

PB, and all that, but I am not sure that this is the correct place for this Knight. (In the long run.)


click for larger view

But I am also no expert on the Black side of the French, so I am not the last word here. (If Black could manage to actually get his Knight to the f5-outpost ...)

[ Instead, after the logical line of: 3...c5; 4.c3 Nc6; 5.d4, "~" (real estate) when White has a typical space advantage out of the opening. (However, computer analysis will prove that Black is OK here, and that the size of White's edge is smaller than the actual game.) ]

Both sides continue to develop.
4.Nf3 Be7; 5.c3 0-0; 6.d4 b6; 7.Be3 f6!?;

While ....f7-f6; might be the move recommended by the "Power-Book" here, I am not sure that I entirely trust it as 100% reliable. (timing)


click for larger view

I prefer the more logical (and possibly less dangerous) break of ... c7-c5.

[I feel that the move of: 7...c5; ∞ is a possible improvement over the course of the actual game here. (NO games in the DB!!!!!!!! Who says that chess is played out?) ]

8.exf6, ('!?')

White goes for a type of position where Black's backward e-pawn is a definite liability ... there is also the question of what to to with Black's LSB.

[ Or 8.Bd3 c5; 9.Nbd2 Nc6; "~" (unclear) ]

8...Bxf6;

The Bishop does not accomplish a lot of this square. (Fritz prefers capturing with the Rook, but I am not sure it makes any difference.)

In the long run, the KB might be needed on this square, in order to meet Ng5 with ...BxN/g5.

9.Bd3 Ba6; 10.0-0 Nf5; 11.Bf2 Qc8!?; 12.Re1,

White piles up on the KP. (Logical.) The alternative was to swap Bishops on a6.

[ Or RR12.Bxa6, "=" maybe here. ]

12...Nd6?!; (Maybe - '?')

Black misses his chance to get rid of his "Bad Bishop" and (from here), his game goes steadily downhill.

[ Black's best bet would have (instead) been to play: 12...Bxd3; 13.Qxd3 Nc6; 14.Qe2, " " - Fritz 12. ]

13.Bc2! c5?!;

I am astounded, the "eval's" radically change after this move, apparently Black has no time for his 'normal' pawn break. (And he has already gotten in ...f7-f6.)


click for larger view

One can already sense that this is a French Defense ... where something has gone badly wrong for Black.

[ Better was: 13...Nc6; 14.Nbd2, " " and White only has a small edge. ]

Jun-16-11  LIFE Master AJ: GM Igor V. Glek (2531) - Dimitrij Bunzmann (2525) / [C00] FRA-chT / Top 16 GP Basse, France (Rnd # 8.3) / 31,05,2007. [Part II]

14.Nbd2 Re8?!;

Black tries to reinforce his KP, but it was not necessary yet.

[ Black had to play: >/= 14...cxd4; 15.Nxd4 Bxd4; 16.Bxd4 Nc6; 17.Bf2, " " (Maybe ) but White still has a solid edge. Several programs, but mostly ... - Fritz 12 and Houdini. ]

15.dxc5! bxc5; 16.Nb3,

White has a very large edge in this position, Black must be careful not to get quickly smashed.

[ Also possible was: 16.Ng5!? ]

16...c4?; (Pawn structure.)

Positional suicide! (Now Black's QB is permanently bad!)


click for larger view

Better was 16...Nd7; but Black's position would be tenuous, at best.

17.Nc5 Bb7;

Now Black cannot play his Knight to the d7-square, as he would instantly drop his KP.

Now our GM plays Ng5. However, this was not White's only move here, also possible were 18.Qb1 and 18.Ne5.

18.Ng5 Bxg5; 19.fxg5 Nd7?;

This looks <normal>, but now Black gets smashed.


click for larger view

[ Black had to play: 19...g6T; ("Box!") in order to stop the coming sack ("Greek Gift") on the h7-square. ]

Now apparently White could win with the immediate capture on h7.

20.Nxd7 Qxd7;
Now we have reached the position for our "Problem of The Day."


click for larger view

Black is lost, all of White's pieces converge on the poor, hapless Black Monarch.

(The check on move 25 was superior to 25.Rf1, Nh6.)

21.Bxh7+! Kxh7; 22.Qh5+ Kg8; 23.g6 e5; 24.Bh4! Nf7; 25.Qh7+! Kf8; 26.Rf1, " "

Black Resigns, he cannot stop the impending mate on h8.


click for larger view

A nice game by Glek, but NOT a game for ardent fans of the French!

.
1-0

Jun-16-11  LIFE Master AJ: I had to split the game up in two parts ... to get the whole thing in.
Jun-16-11  LIFE Master AJ: (modification to my analysis)

Now apparently White could win with the immediate capture on h7.

20.Nxd7 Qxd7;
Now we have reached the position for our "Problem of The Day."


click for larger view

Black is lost, all of White's pieces converge on the poor, hapless Black Monarch.

(The check on move 25 was superior to 25.Rf1, Nh6.)

21.Bxh7+! Kxh7;

I figure Black might as well take, the other way was obviously losing as well.

[ White also wins after: 21...Kf8; 22.Qg4 Ke7; 23.Bg6 Rf8; 24.Bd4 Kd8; 25.Rxe6 Bc8; 26.Bxg7 Qxe6; 27.Qxe6 Bxe6; 28.Bxf8 Kd7; 29.Rf1, ]

22.Qh5+ Kg8; 23.g6 e5; ('?')

This is maybe not Black's best (overall) defense here.

[Black should have played: 23...Nf5▢; 24.Qh7+! Kf8; 25.Bc5+ Nd6!?; (Black could give up his ♕ to prolong things, but most humans would resign before doing that.) 26.Rf1+ Ke7; 27.Qh4#. ]

24.Bh4! Nf7; 25.Qh7+! Kf8; 26.Rf1, " "

Black Resigns, he cannot stop the impending mate on h8.


click for larger view

A nice game by Glek, but NOT a game for ardent fans of the French!

1-0

[After reading the other kibitzes, I decided that I had pulled the trigger a little too quickly.]

Jun-16-11  Patriot: I see now that variation B in my analysis is wrong. 25.Bc5+? Nxc5 26.Rf1+ Ke7 27.Qh4+ is not mate because of 27...Kd6.

How can you guys let me get away with this? LOL

Jun-16-11
Premium Chessgames Member
  OhioChessFan: I think having to see Bh4 in the game line is a must to claim a point today.
Jun-16-11  wals: The old Kxh7 trick.

Rybka 4 x 64

Alternatives that would have kept Black struggling along for a while:-

d 17 : 12 min :

1. (4.17): 21...Kf8 22.Bd4[] a5 23.Bg6 Ke7 24.Bxg7 Kd8 25.Bxe8 Qxg7 26.Ba4 Bc8 27.Qd4 Qxd4+ 28.cxd4 Bd7 29.Bc2 Ke7 30.h4 Rb8 31.Rab1 Nb5 32.Red1 Rh8 33.g3 Be8 34.Ba4 Nd6 35.Bxe8 Rxe8 36.Kg2 Rb8

2. (7.16): 21...Kf7 22.g6+[] Kf8 23.Qf3+[] Nf5[] 24.Bd4[] Rad8 25.g4 Qc8 26.gxf5 exf5 27.Rxe8+ Rxe8 28.Rf1 Re7 29.Qxf5+ Qxf5 30.Rxf5+ Ke8[] 31.Kf1 Bc8 32.Rxd5 Rb7 33.Re5+ Kd8 34.Ra5 a6 35.Rxa6 Rxb2 36.Ra8 Kc7

Jun-16-11  WhiteRook48: I failed the move order
Jun-16-11  stst: Seems a somewhat repeat of yesterday's.
Just more variattions.
21.Bxh7+
IF (A)...Kxh7 (quite normal)
22.Qh5+ Kg8
23.g6 Kf8
24.Bh4 Rc8 (if Nf7, 25.Rf1 Re7, 26.Bxe7 K/Qxe7, 27.Rxf7+ and Q is lost.) 25.Qh8#
IF (B)...Kf8 (not taking B)
22.Bh4+ Ke7
23.g6 dis+ Kf8
24.Rf1+ Nf7
25.Rxf7+ Qxf7
26.gxf7 Kxf7
27.Qf3#
IF (C)....Kh8 (not likely, but anybody can play any legitimate move (though appears inferior) on the board.) 22.Qh5 Nf7 (Qf7 will lose Q quicker)
23.g6 Nd6
24.Bg8 dis+ Kxg8
25.Qh7+ Kf8
26.Bh4 Nf7
27.Rf1 Rc8 (race to leave K escape sq., but too late.) 28.Qh8#
Jun-17-11  LIFE Master AJ: Not nearly as much feed-back (to this set of annotations), as I might have hoped for ... yes sir! I am certain of it now, the whole world takes me for granted.

;)

Jun-17-11  LIFE Master AJ: For: Game Collection: CG's neat checkmates, label this game as: "A somewhat surprising new turn on an old theme." [Greek Gift.]
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