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Tiziana Barbiso vs Iridu Udanthi Basnayake
Istanbul Olympiad (Women) (2012), Istanbul TUR, rd 8, Sep-05
Sicilian Defense: Grand Prix Attack (B23)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
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Aug-13-13
Premium Chessgames Member
  FSR: A funny little combination: 35...Qxg2+ 36.Kxg2 Bc6+ 37.Bd5 Bxd5+ 38.Kg1 Nh3#
Aug-13-13
Premium Chessgames Member
  whiteshark: If the sun shines first thing in the morning when we look out of the window, and we solved a #4 in a blink, it immediately puts us in a good mood. :D
Aug-13-13  Abdel Irada: <whiteshark: If the sun shines first thing in the morning when we look out of the window....>

Good thing you looked out your window early, or the whole world would have to wait for sunrise until you did. (Or at least that part of the world in your time zone.)

What's more, next time the sun still hasn't appeared by noon, I will know *exactly* for whom to arrange a wake-up call.

Aug-13-13  TheaN: Tuesday 13 August 2013

<35....?>

The classification 'puzzle' is a bit awkward here. Normally the idea is that if the puzzle move is not played, the player missed a chance to win or draw and now draws or loses respectively.

Here this is not at all the case. If black plays 35....Bc6 36.Rxf2 is forced, leading to 36....exf2+ 37.Qxf2 (Kxf2 Qf3+ 38.Kg1 Qg2#) Qxb1+ is completely winning, even Qxg2+ wins. Regardless, black can decide this in a nifty mate in four with:

<35....Qxg2+ 36.Kxg2 Bc6+ 37.Bd5 Bxd5+ 38.Kg1 Nh3# 0-1>

Aug-13-13  morfishine: <35...Qxg2+> forces mate: 36.Kxg2 Bc6+ 37.Bd5 Bxd5+ 38.Kg1 Nh3#>

<TheN> Good point

*****

Aug-13-13  Doniez: I initially went for Nh3+ trying to force a smothered mate, but with no results. Aft some minutes I got the Queen sac, helped by the Bishop! Now I deserve a funny day on the beach :-)))
Aug-13-13  Doniez: I took a look at the game. IMO the attack on the h file is a nonsense (moves 20- 22)! No chance for White to develop his Rook and Queen on the very well protected h file. A stubborn attack with no chance to succeed, and Black took advantage of the retreat.
Aug-13-13  cyclon: 35. -Bc6 and alternatives are 35. Nxe3 Nh3X / 35. Nf4/Nh4 Qh1X/Nh3X / 35. Qxe3 Qxg2X / 35. Rxf2 exf2+ 36. Qxf2 Qxb1+ winning.
Aug-13-13  cyclon: I'm blind.
Aug-13-13
Premium Chessgames Member
  Oxspawn: 1..........Qxg2+
2. Kxg2 Bc6+
White can delay one move with Bd5 but the white king is trapped by its own pieces while the black knight seals off escape to h3.

3. Kg1 Nh3 finishes the job
Tuesday but not quite Chewyday

Aug-13-13  zb2cr: I followed much the same thought process as <Bartimaeus>. After going through a long-winded mate beginning with 35. ... Bc6, I then saw the much briefer mate in with 35. ... Qxg2+; 36. Kxg2, Bc6+; 37. Kg1, Nh3#.
Aug-13-13  pericles of athens: queen sac and the king has nowhere to go and no pieces to defend it
Aug-13-13  psmith: <Doniez> -- as pointed out by some other commenters, actually White had a good chance to break through with 25. fxg6... Even better than <sfm>'s 25. fxg6 Bxh3 26. Bxf7+ is 26. Bxf6 (Rybka) when 26...Bxf6 27. Qxh5 leads to mate.
Aug-13-13  Nick46: Got it. Going for the hat-trick WellIneverday.
Aug-13-13  Nick46: <al wazir: Fine game for a player with a rating of 1788(!?).> A talented chess brain who plays very little in competition is my guess.
Aug-13-13  TheaN: Now that I read the comments about white's play, it is indeed ashtonishing that such approach eventually backfired after 25.Re3?. 25.fxg6! is both obvious and logical, but white failed to acknowledge the strength of her position.
Aug-13-13
Premium Chessgames Member
  Penguincw: A really nice checkmate with the 2 minor pieces.
Aug-13-13  Abdel Irada: <The classification 'puzzle' is a bit awkward here. Normally the idea is that if the puzzle move is not played, the player missed a chance to win or draw and now draws or loses respectively.>

I don't think I agree with that. My impression is that the objective in a puzzle is to find the *best* line of play, even if others also win/draw.

There's no denying that the quiet 35. ...Bc6 wins as surely as the mate in four, but surely the latter must be considered the most efficient and direct path to victory.

Aug-13-13
Premium Chessgames Member
  kevin86: The queen sac leads to a very quick mate.
Aug-13-13  Abdel Irada: <chrisowen: I give top points for nifty reconciled hook>

Reconciled hooks are underappreciated.

Aug-13-13  Alex56171: Easy and nice!
35...Qxg2+ 36.Kxg2 ▢ Bc6+ 37.Kg1 ▢ Nh3#

Once more I didn't see the bishop interpose. But, luckly, it doesn't hurt.

Aug-13-13
Premium Chessgames Member
  gawain: First I tried 35...Nh3+ but that does not work. Then I spotted the combination that starts with 35... Qxg2+, continues with ...Bc6+ and ENDS with Nh3#.

I liked this puzzle.

Aug-13-13  TrueBlue: I like Nh3+. It wins material after e2 and it makes the game more interesting.
Aug-13-13  dkd7s: I often see kings move in the middle game and I am rarely able to figure out the strategic reason. Here, for example, what is the purpose of 13... Kh8 ?
Aug-13-13  sfm: <dkd7s: I often see kings move in the middle game and I am rarely able to figure out the strategic reason.>

Well, as you probably already had figured out yourself, the idea for e.g. Kg8-h8 is often to avoid issues along the diagonals if the f-pawn is not there or may move. Larsen talked about disturbing checks that "spoiled 'otherwise correct' calculations".

At times it is just the right move.

<Here, for example, what is the purpose of 13... Kh8 ?>

I likewise see nothing justifying this loss of time. Later comes 17.-,Kg8.

It actually gives White time for getting something going, which she unfortunately didn't profit from, with 25.fxg. (thanks to <psmith> for comments and enhancement)

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