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Dejan Bojkov vs Alan Bennett
European Team Championship (2009), Novi Sad SRB, rd 2, Oct-23
Sicilian Defense: Alapin Variation. Barmen Defense (B22)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Feb-09-10  zooter: I notice that everybody points out the counter attack 33.Rc1 as a reasonable defence. But I have to wonder why

I too saw this line and concluded that it is not at all a counter attack. After 33...Rxc4 34.Rxd1 Rxf4

Black has in fact it much easy with queens off the board. The best defence in this position (if any) would be to avoid exchanging queens. At-least that's my opinion and wanted to put it forth since so many have pointed out 33.Rc1 as a possiblity

Feb-09-10  A Karpov Fan: got it
Feb-09-10
Premium Chessgames Member
  johnlspouge: Tuesday (Easy)

D Bojkov vs Ala Bennett, 2009 (31...?)

Black to play and win.

Material: Even. The White Kg1 has 3 legal moves. The Black battery Rd8 and Qd5 can invade at d1. The White Qc4 is burdened with both Rc2 and Bf4, suggesting an overloading theme. The Black Kg8 is secured from check.

Candidates (31): Qd1+

31Qd1+ 32.Kh2 [Qf1 Qxc2]

32Rd4 (threatening 33Rxf4)

Double defense is required to avoid dropping a piece, but if Qc4 flees, Bf4 drops. Counterattack is also futile:

33.Rc1 Rxc4 34.Rxd1 Rxf4

Black therefore wins Bf4.

Feb-09-10  David2009: Tuesday's puzzle D Bojkov vs Ala Bennett, 2009 Black 31...?

White looks to be doing well at first sight, but he has missed a fork tactic: 31...Qd8+ 32 Kh2 Rd4 wins a Bishop after which White's King is vulnerable to direct attack. Time to check:
====
Yes

Feb-09-10  randomsac: Fork the queen and bishop with the rook once you move the queen out of the way with check. Simple but important concept. Yet another reason why everything must be protected.
Feb-09-10  goodevans: After yesterday's disaster it was nice to have an "easy" puzzle today that really was easy. Nevertheless I was much more cautious today than yesterday in checking I hadn't missed anything.

Interesting today how many typos there are in the kibizing. Quite a few references to <31 ... Qd8+>, <32 ... Qxd2> and the like. I guess it's because it's black to move.

Feb-09-10  TheaN: <zooter: I notice that everybody points out the counter attack 33.Rc1 as a reasonable defence. But I have to wonder why I too saw this line and concluded that it is not at all a counter attack. After 33...Rxc4 34.Rxd1 Rxf4

Black has in fact it much easy with queens off the board. The best defence in this position (if any) would be to avoid exchanging queens. At-least that's my opinion and wanted to put it forth since so many have pointed out 33.Rc1 as a possiblity>

You have to consider White's thoughts if he sees Black playing Rd4. He knows his position will become hopeless after the rather simple continuation 33.Qxc6 Rxf4 34.Rc1 Qd6, pretty much forcing exchange of Queens anyway, in 35.Qxd6 Bxd6 36.Rc6 Rf6 37.g3 Be7 it IS hopeless.

As such, playing a speculative move like Rc1 gives Black chance for error, even if only really small. In such cases going for the computer's best move if not always the best thing to do. When Black actually does play 33....Rxc4 White may resign, ending up into a rather similar position as in the forced variation after 33.Qxc6.

In the end, White's forces are hopeless against Black's, with or without Queens.

<a lot of people>

Just a notion, it amazes me how many people use 31....Qd8 as first move. I rarely made this mistake, maybe never even. It is still weird.

Feb-09-10  Marmot PFL: Check and fork, fairly simple. White was so intent on winning a pawn that he overlooked the larger threat.
Feb-09-10  TheChessGuy: That's it? This week is off to a quiet start.
Feb-09-10  zb2cr: Found this one easily, once I got over trying to find a WHITE win. Embarrassingly, I wasted over a minute looking for said White win.
Feb-09-10
Premium Chessgames Member
  chrisowen: Ala 'no IM' Bennett plays right.. Qd1+ then Rd4 stages a comeback to enjoy. A bodge of acting out Qc4 critically receives poetic justice. This is not unforseeable that soins intensifs should've been taken when rooks dive into the fray. Perhaps it was the habit of art.
Feb-09-10
Premium Chessgames Member
  kevin86: This was so easy,I stumbled over it. I saw the check and then saw the fork.

The intermezzo queen check allowed the queen to coyly escape from the exchange by her equal.

Feb-09-10  Patriot: <<zb2cr>: Found this one easily, once I got over trying to find a WHITE win. Embarrassingly, I wasted over a minute looking for said White win.>

Same here! I'll bet you considered Rd2 Qxc4 Rxd8 Qc5 and trading things off with Rxf8+ Qxf8 Bxf8 Kxf8. I did and then realized it was black's move! However I saw no advantage in that line for white.

It took me too long (several minutes) to see the simple fork 31...Qd1+ 32.Kh2 Rd4.

Some of you mention a counter-attack with either 33.Rc1 or 33.Rd2. This is a "counting" problem in which black wins a piece either way: 33.Rc1 Rxc4 34.Rxd1 Rxf4 OR 33.Rd2 Rxc4 34.Rxd1 Rxf4.

Feb-09-10  scormus: <zb2cr> glad I'm not the only one that does that. These positions can very really "insane" to solve when youre trying to win for the wrong side!
Feb-09-10
Premium Chessgames Member
  Jimfromprovidence: The puzzle needs a bit more time to solve than one would think.

Beside looking at 33 Rc1 as a defense, 33 Qe2 needs attention as well.


click for larger view

Feb-09-10  YouRang: Quite easy since 31...Qd1+ is the most obvious move to consider and 32.Kh2 is forced.

Just spend a moment at that position looking for tactics, and you can hardly miss the rook fork that wins a piece.

Feb-09-10  Uncle Mark: got it, even if took more than 2 minutes.....
Feb-09-10  Kasputin: Suffering from an attack of puzzle-itis. Puzzle-itis is a condition in which one looks at possible moves that wouldn't even be considered in a real OTB situation. It also involves overlooking fairly obvious moves that would be considered far more quickly in a real situation.

It is a rare condition because most often, when faced with a puzzle, knowing it is a puzzle has an obvious and immediate advantage. But with puzzle-itis the reverse is the case - knowing it is a puzzle can lead to frustration, head scratching, or in extreme cases turning off computers or throwing chess boards and pieces across the room.

31...Qd1+ followed by 32...Rd5 and white cannot protect the bishop on f4. Why did this take so long to see?

Feb-09-10  DarthStapler: Got it
Feb-09-10  Kasputin: <YouRang> clearly you've built up immunity!
Feb-09-10  MaczynskiPratten: The European Team Championship seems to have been quite a performance by Ala/Alan Bennett. From the Chessgames listing, he seems to have scored 3/7 against players who generally outranked him by 200-400 grading points.
Feb-09-10  Marmot PFL: <33 Qe2 needs attention as well> How does this guard the Bf4?
Feb-09-10  cyclon: 31. -Qd1+ 32.Kh2 (Qf1?? Qxc2) -Rd4 wins a Bishop, f.e. 33.Qxc6 Rxf4 34.Re2 Bd6 should be "cufflinks".
Feb-09-10
Premium Chessgames Member
  Once: <zooter: I notice that everybody points out the counter attack 33.Rc1 as a reasonable defence. But I have to wonder why>

33. Rc1 loses. But it doesn't lose as fast as "32. Kh2 and resigns". I don't think that anyone is saying that 33. Rc1 is a reasonable defence, but it does need to be analysed accurately (as you have done).

<goodevans: Interesting today how many typos there are in the kibizing>

Yup - me too, typing Rd1+ instead of Qd1+ as the first move. We've also had Qd8+ instead of Qd1+ and Rd5 instead of Rd4. You may have a point about this being partly due to the fact that it is black to move. My typo is more because I was rushing to get my kibbitz off before going to work.

Feb-09-10  TheBish: D Bojkov vs Ala Bennett, 2009

Black to play (31...?) "Easy"

Black wins a piece with 31...Qd1+ 32. Kh2 Rd4.

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