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Marianne Wold Haug vs Ray Robson
Arctic Chess Challenge (2009), Scandic Hotel, Tromsų, rd 1, Aug-01
Sicilian Defense: Scheveningen. Classical Variation General (B83)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Nov-15-10  zb2cr: To <amathus>: Your defense in <Dzechiel>'s line seems sound. Black retires his Queen 32. ... Qg4 and remains up by a piece.
Nov-15-10  Eduardo Leon: <Ampleaf>, what pawn deficit are you writing about? After 12...♘e5 13.fxe5 dxe5 14.♘xe6 ♗xe6, material is equal, and I think black has a small but solid advantage thanks to his bishop pair and slight edge in development. This is the kind of position that usually ends in ♗+♘ vs 2♗s endgames, usually favoring the side with the 2♗s.
Nov-15-10
Premium Chessgames Member
  Domdaniel: <LMAJ> - <Question ... why is a 1900 playing in a master tournament?>

Easy, a big open. I've played a few GMs and a lot of IMs this way. Even since my rating went *under* 1900.

Anyhow, she's 1987. When I was 1987 I referred to it as "around 2000". A mere 1900 was a lower sort of creature.

Nov-15-10  Patriot: 31...Ng3+
That doesn't work.

31...Bxf3.
This looks good since if 32.gxf3 Qxf3#. White could try 32.Rf1 and black has the saving 32...Bxg2+. Or white could try 32.Rd7, looking a little more complex than a Monday deserves. Wait...

31...Qxf3
Much better! This at least wins a whole piece, threatening 32...Qxg2#. White needs to move Ne2 to stop the threat. Can he move it and get some dangerous counterplay? Not likely. This must be the move.

-----------

That's kind of how it went for me. I still avoid sac'ing the queen, even though nothing is actually sac'ed during analysis.

Nov-15-10  Nullifidian: 31... ♕xf3 wins a minor piece because of 32. ♙gxf3?? ♗xf3#. White's best approach seems to be to give up the minor piece and consolidate as best as one can with 32. ♘d4, blocking the rook and threatening the queen, but I suspect that the game ended on move 31.
Nov-15-10  VincentL: "Very easy".

After glancing at this for a couple of seconds, I see that 31.....Qxf3 wins a piece.

If 32. gxf3 Bxf3 mate

If 32. Nd4 (or Nc1) Qf7/Qf5 remaining N for P up.

If 32. Some other move Qxg2 mate

Let“s check.

Nov-15-10
Premium Chessgames Member
  kevin86: An easy one-black sacs his queen to set up a diagonal corridor mate.

A corridor mate is a position the has the mating piece on a line straight to the adverse king. The king is partially smothered by pieces at his side,but has no piece to interpose on the check.

Corridor mates are most artful from a distance. Here is a skeleton of one:


click for larger view

/

Nov-15-10  VincentL: <dzechiel>One point for all today I guess.

Let“s see how the week pans out. If the positions are cluttered like this, I for one shall end up with fewer points than if we have open positions/end game studies.

Nov-15-10  gofer: If white does play 32 Nd4 Crafty shows how everything falls apart for white after 32 ... Qg4!

http://www.chessvideos.tv/endgame-t...

Nov-15-10  MaczynskiPratten: I'm gobsmacked/flabbergasted. The great <Domdaniel> below 1900? After all his fine contributions to Chessgames Challenges and daily puzzles? Say it ain't so, Dom!
Nov-15-10  wals: Thank you.

Rybka 4 x 64

depth: 18 : 3 min :
White blunder
(-1.06):28.Qg5. Best, Ne4, -=0.25.

depth: 18 : 5 min :
White blunder
(-3.04):29.Rxd6. Best, Ne2, -0.93.

depth: 18 : 3 min :
White blunder
(-6.79):30.Ne2. Best, Bd4, -3.21.
Nd4, -3.28.

depth: 19 : 6 min :
Black blunder
(-1.17):30...h6. Best, Bh6, -6.79.

depth: 19 : 5 min :
White blunder
(-6.07):31.Qd2. Best, Qe3, -1.17.

End of the road for White. 32.Nd4
would have kept it floundering along.

Nov-15-10  ChessGeezer: <dzechiel>, I got one point for today's puzzle. I only attempt to solve puzzles on weekdays. My max score will be 15. I am a lower-rated player (about 1100), so that's a stretch for me without adding the more difficult weekend puzzles anway.

I rarely add comments because I usualy have nothing to add to what others have already said. I will comment this week since you have asked others to chime in with scores on the <al wazir> scale.

BTW, thanks to all of you that contribute on a daily basis. I have learned a lot from your posts even if my rating does not reflect that!

Nov-15-10  Patriot: <ChessGeezer> I read your profile and saw your comment: <If someone can tell me how to avoid blunders, I'd be forever grateful.> Apparently your profile isn't set up so anyone can add comments to it.

I can give you a few small bits of advice that will help you reduce blunders, but no one can completely prevent them.

1. After your opponent moves -- Look for all the threats your opponent could carry out if they could move again. This should help prevent you from overlooking their threats.

2. On your move -- Do a "safety check" to determine whether each move you are considering is safe and not just dropping material or losing to mate.

3. Before you move -- When you think you found the best move, do a "sanity check" just to make sure your move isn't crazy before playing it.

I hope this helps.

Nov-15-10  LIFE Master AJ: <ChessGeezer> If you memorize my checklist/system (and use it) its virtually guaranteed to wipe out most blunders/oversights.
Nov-15-10  LIFE Master AJ: I also advise doing 5-10 tactical puzzles every day.

http://www.ajschess.com/lifemasteraj/

My website, click on the green "link's box" ... The every last one says (my) "Training Program."

Nov-15-10  LIFE Master AJ: If you want the links to my checklist, see my "Site Map" page.
Nov-15-10  kdjohn: After 31....Qxf2 the knight must move.
If 32. Nd4 (or Nc1) , then Black wins with 32......Ng3+ and 33.pxg3 ,Qh5#.

If 32.Nf4 then 32.....Qxf4
and Black is up two minor pieces.

Nov-15-10  ChessGeezer: <Patriot> and <LIFE Master AJ>, thanks for the tips. I guess I'll have to work on my profile page...
Nov-15-10  WhiteRook48: got it, qxf3 too easy
Nov-15-10  Tigranny: Great queen sacrifice for Bxf3 mate.
Nov-15-10  muralman: White didn't see that coming?
Nov-15-10
Premium Chessgames Member
  Domdaniel: <MaczynskiPratten> - < The great <Domdaniel> below 1900? After all his fine contributions to Chessgames Challenges and daily puzzles? Say it ain't so, Dom!>

I'd like to. Your flabbergastery is appreciated. But I came back to chess after a 15-year gap and promptly dropped 250 ELO points. I *feel* better than before but I get careless in tournaments. And tired.

Could be worse. I played a fellow veteran recently and we reckoned we'd shed 800 points between us since the last time we played.

Still, I've started to climb back up, much more slowly than the first time round ...

Nov-15-10  amathus: ChessGeezer: <dzechiel>.. We all learn from him. Not only performance in chess. I appreciate Djechiel's methodology, very much!
Nov-16-10  LIFE Master AJ: should have been "very last one."
Nov-16-10  LIFE Master AJ: nine kibitzes back
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