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Yannick Pelletier vs Carlos S Matamoros Franco
Istanbul Olympiad (2012), Istanbul TUR, rd 9, Sep-06
Zukertort Opening: Queen Pawn Defense (A06)  ·  1-0

ANALYSIS [x]

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sac: 48.Qf5+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Mar-22-21
Premium Chessgames Member
  agb2002: White is one pawn up.

Black threatens mate in one.

The pawn on g6 prevents Qh5# and Qg7#. Hence, 48.Qf5+ gxf5 49.Qh5# or 48.Qh5+ gxh5 49.Qg7#.

Mar-22-21  nasher: Another solution (if you LOVE queen and pawn endgames, you have an hour to kill and enjoy torturing your opponent) is Qxd1. Stockfish says this is +11.
Mar-22-21  stacase: Black threatens mate, so either defend or say check, and then can it lead to mate? Looks like 48.Qf5+ does the job as it forces 48...gxf5 followed by 49.Qh5#
Mar-22-21  Brenin: A left hook, 48 Qf5+, followed after the forced 48 ... gxf5 with a right hook 49 Qh5#, and the fight is over. (Other coups de grace are also available.)
Mar-22-21  AlicesKnight: Interesting position. It seems either Q can be sacrificed (f5 or h5) for the other to mate on g7....
Mar-22-21
Premium Chessgames Member
  Oxspawn: Not the fastest way but with four queens on the board (well… three by then) to give mate with a pawn has to be classy. 48.Qxh4+ Kxh4 49.Qh7+Kg5 50.h4#
Mar-22-21  Cheapo by the Dozen: I am reminded of the occasion I sacrificed two queens in a way that forced mate ... and lost.

(Explanation: It was in a game of Double Bughouse, and the other team had more net time remaining than mine. So they stalled one move away from mate on my board and won on the other.)

Mar-22-21  zb2cr: I went with the game solution, as I'm lazy early Monday mornings and saw that in approx. 1 second. Unusual configuration, with both sides having 2 Queens.
Mar-22-21
Premium Chessgames Member
  gawain: I saw the solution starting with Qh5+ then stopped looking. I am not bothered that there are three equally quick mates. Admittedly the game continuation is prettiest of them. I also like <Oxspawn's> mate in three, delivered by a pawn.
Mar-22-21  TheaN: I did spot the game line instantly and left it there. But technically there's too much White can play here to win.

<nasher: Another solution (if you LOVE queen and pawn endgames, you have an hour to kill and enjoy torturing your opponent) is Qxd1. Stockfish says this is +11.>

This isn't even complicated, really. After 41.Qxd1 Qxd1 42.Qc8 +- White has tabs on f5 and g4, and the White king is <impervious> to the Black queen due to the configuration of the pawn shield. What follows is c5, c6, c7 etc. If Black attempts 42....f5, just ignore it and take on g4 with the queen, and continue running with the c-pawn.

Mar-22-21  Refused: Cute little mate, a bit surpring this was a game position. I went with the 48.Qh5+ gxh5 49.Qg7#
Mar-22-21  DrGridlock: Interesting that in the queen and rook (!) endgame the key for black at move 36:

Yannick Pelletier - Carlos S Matamoros Franco 1-0 9.28, Chess Olympiad 2012


click for larger view

is to know that a rook exchange at b7 greatly advantages white. The white queen will clear the way for the a-pawn, the black queen will clear the way for the d-pawn, and both sides will queen, but white's "2-queen" attack comes with the tempo which is devastating to black.

Mar-22-21
Premium Chessgames Member
  chrisowen: Awns vim Qh5+ get guv arrive on jest able it bristle vim Qf5 gotcha accommodate jack arrives o guv awns bap pawns humid void vim ok quick quagmire grey runt face vim vulcan jezebel; its blinker pew it with ta curly do it zaps vim vocal hood tot add gungho job vim flushes amalgamate key aorta egs vim Qh5+ deff Qf5+ did it upanishads it hire not;
Mar-22-21
Premium Chessgames Member
  Breunor: Losing move appears to be 36 ... Rxb7, although black stood a little worse anyway after a slightly favorable opening. At 40 ply, Stockfish gives 36 ... Qe2 or Kh7 a score of 0.9.

After Rxb7, Qxd7 scores 4.15. The rook exchange ‘looks’ innocent but it looks like white gets the advantage in the queen gobbles pawn phase.

Mar-22-21  Shrinarayanan: I got Qh5+ and Qg7#.
Mar-22-21  johnnydeep: Thank god - I got the game line straight away. Queen sack Monday strikes again! With two queens, it should be pretty hard to flub it.
Mar-22-21
Premium Chessgames Member
  Check It Out: 48.Qh5+ gxh5 49.Qg7#

Didn't look for other options.

Mar-22-21
Premium Chessgames Member
  Jimfromprovidence: A bit earlier there's a more abrupt way to win by playing 43 g5!


click for larger view

The threat is to check with the queen forcing the king to the back rank (like 44 Qd7+) and then playing 45 gxf6.

Mar-22-21
Premium Chessgames Member
  chrisowen: Heffalump computer no aka fine for three no?
Mar-22-21  dhotts: At least 3 ways to mate 48. Qf5, 48.Qh5 and then the one I like best is 48. Qxh4+ Kxh4 49.Qh7+ Kg5 50. h4#.
Mar-22-21  Damenlaeuferbauer: After long thinking, the very strong Swiss grandmaster Yannik Pelletier, who won 3 times (!) against Magnus Carlsen (in 2005, 2007, and 2015 [!]), finally found the mate in 2 moves with the very nice queen sacrifice 48.Qf5+!,gxf5 49.Qh5#. The 4 queens on the board reminds me to the very famous game R.J. Fischer vs. T.V. Petrosian, Candidates 1959 (published by Bobby Fischer in "My 60 memorable games", No. 16).
Mar-22-21
Premium Chessgames Member
  fm avari viraf: The position of having four Queens reminds me of my final game against the English player Stewart in the World Amateur Chess Championship in 1998 which I won along with the most coveted World Chess Title & a glittering Gold Medal for my country India at Hastings, England.
Mar-22-21
Premium Chessgames Member
  FSR: In the final position, there are five pawns on the f-file. Not something you see every day.
Mar-22-21
Premium Chessgames Member
  scutigera: Queen-sac Monday with a vengeance! How many games have been won with consecutive queen sacs, I wonder?
Mar-22-21
Premium Chessgames Member
  AylerKupp: I recently finished reading "Secrets of Spectacular Chess", 2nd edition by Jonathan Levitt & David Friedgood consisting of puzzles and compositions Very entertaining and very highly recommended. The initial position reminded me of many of the positions in the book.

So, perhaps with the understanding I gained from the book, I immediately chose 48.Qh5+ with mate to immediately follow. I didn't bother looking for alternative mates but I was not surprised that there were several. And because I've been recently educated, about my only quibble about the POTD is that since there were several possible solutions that the puzzle would not score too highly in a competition.

And if you enjoy chess puzzles you should really consider getting a copy of the book.

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