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Manuel Barroso Campos vs Jose Manuel Quesada Vera
Malaga City-ch (2003), rd 7, Feb-01
Spanish Game: Marshall Attack. Modern Main Line (C89)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
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Mar-17-14
Premium Chessgames Member
  Oxspawn: Monday morning and I am in Bangladesh and I was staring at a puzzle that said ‘insane’ and realised it was still Sunday’s puzzle (due to the time difference). But as it was Monday I was about to crack it easily by sacrificing my queen. Then the clock struck midnight somewhere, the coach turned into a pumpkin, the footmen into mice and I was left in rags and with this slightly easier challenge. I nearly loved Mondays there for a moment.

22. Qxf7 Kh8
23 Qxf8++
or...
22. Qxf7 Rxf7
23 Re8++

Mar-17-14  M.Hassan: White is 2 pawns up.
22.Qxf7+ Rxf7
23.Re8#
the pinned Rook on f7 can not defend.
Very nice finish.
if Queen is declined:
22........Kh8
23.Qxf8#
Mar-17-14  Patriot: 22.Qxf7+ Rxf7 23.Re8# is a familiar pattern.
Mar-17-14
Premium Chessgames Member
  lost in space: I love Mondays!

22. Qxf7+ Rxf7 23. Re8#

Mar-17-14  Cheapo by the Dozen: That looks like something out of Bobby Fischer Teaches Chess (which was all about the back rank mates).
Mar-17-14  Cheapo by the Dozen: Nice story, <Phony Benoni>!
Mar-17-14
Premium Chessgames Member
  agb2002: White has a bishop, a knight and two pawns for the bishop pair.

Black's back rank is weak due to the bishop on its original square. This suggests 22.Qxf7+ to divert the rook on f8:

A) 22... Rxf7 23.Re8#.

B) 22... Kh8 23.Qxf8#.

Mar-17-14
Premium Chessgames Member
  morfishine: 22.Qxf7+ Rxf7 23.Re8#
Mar-17-14
Premium Chessgames Member
  Penguincw: Reminds of a trap set up in some game (Nakamura vs Kramnik, 2010 I believe). 1/1 this week.
Mar-17-14
Premium Chessgames Member
  sleepyirv: It helps that it is Monday.
22. Qxf7+ and there will be a mate on the bank rank.
I'm going to guess Black spent his time calculating what would happen if White snatches the a8 Rook.
Mar-17-14  Herma48852: Nice mating pattern: 22. Qxf7+ Rxf7 23. Re8#
Mar-17-14  zb2cr: An easy Monday Queen sacrifice. 22. Qxf7+. If Black takes 22. ... Rxf7, then the Rook is pinned and 23. Re8# is mate. And, if Black moves the King into the corner, 23. Qxf8# is mate.
Mar-17-14
Premium Chessgames Member
  dunamisvpm: Do you think 22.Re8 will also win?
Mar-17-14
Premium Chessgames Member
  Once: <dunamisvpm: Do you think 22.Re8 will also win?>

White is two pawns ahead, so just about any non-losing move ought to be fine. 22. Re8 doesn't force mate though, as 22...Ra7 defends.

As puzzle was so Monday-tweazy I spent my time seeing if there was anything wrong with 22. Qxa8. Did black have a fiendish plan in mind when he played 21...Qh3?

As far as I can tell, black has nothing, zip, nada. He might have been thinking of 21...Qh3 22. Qxa8 Bg4 intending Bf3. But that doesn't work. After 22...Bg4 23. Re8 white threatens mate on f8, stays a piece ahead and defends g2.

22. Qxa8 seems to win the grubby way by hoovering pieces. Not as pretty as 22. Qxf7+ but equally effective.

Mar-17-14  YetAnotherAmateur: <dunamisvpm>22. Re8 Be6 and black survives to fight on. 22. Qxf7+ and black has no chance.
Mar-17-14
Premium Chessgames Member
  kevin86: What checks at f7 with the queen and mates the next move.
Mar-17-14
Premium Chessgames Member
  Once: <YetAnotherAmateur: <dunamisvpm>22. Re8 Be6 and black survives to fight on. 22. Qxf7+ and black has no chance.>

That was my first thought. But if we look a little deeper we see 22. Re8 Be6 23. Qxa8


click for larger view

Black is a whole rook down, threatened by mate on f8 and doesn't have any tricks of his own. It's not mate in two, but it sure is hopeless.

22. Re8 is tempting because it does win quickly against some weak replies by black, such as 22...Rxe8 and 22...Be6. But the best counter is 22...Ra7 when white's attack fizzles out and he is left relying on his two pawn advantage.

Mar-17-14  JG27Pyth: The last time (a couple weeks ago) we saw this very "sac-the-queen bishop-pins-the-rook back-rank-mate theme" I solved it instantly -- no instantaneously -- only to realize, too late, I had failed to note a detail... this time, though, this time it will be different... *45 minutes later* Yes. Yes. I've got it now! ;)
Mar-17-14  MountainMatt: A queen sac, naturally - 22. Qxf7+ Rxf7 23. Re8# or 22...Kh8 23. Qxf8#
Mar-17-14
Premium Chessgames Member
  patzer2: Today's 22. Qxf7+ two-move mate solution reminds me of my first Chess Book, "Bobby Fischer Teaches Chess."

The book was mostly a compilation of simple one to three move back rank mate combinations. It was a beginner's book written by "programmed learning specialists" for popular consumption, and, as such, was an enterprise to which Fischer only lent his name.

Fischer's real contribution to Chess literature, other than his published games, was his "My 60 Memorable Games" which is one of my favorite Chess books.

Anyway, since it's Monday and St. Patricks' day, it's good to keep it simple and green.

Mar-17-14  Nova: Thank you <Phony Benoni> for the interesting side note! Comments like that, from other members too, make reviewing the puzzles of the day, even on easy days like Mondays, worthwhile.
Mar-17-14  Nullifidian: 22. ♕xf7+ ♖xf7 23. ♖e8#
Mar-17-14
Premium Chessgames Member
  dunamisvpm: < Once> Thanks. I got your point,re, 22.Qxe8. Thus, I also wonder why this game is chosen as the puzzle of the day?
Mar-18-14  Mendrys: Black was obviously very focused on the weak white squares around the white king when he played 21...Qh3. He may have been hoping for 22. Qxa8 Bg4 23. Qxa6?? Bf3 and mate is inevitable. Unfortunately for him he did not see the combination leading to his own mate else he would have played 21...QxQ and have been down but would still have some fight.
Mar-18-14
Premium Chessgames Member
  Once: <dunamisvpm: ... Thus, I also wonder why this game is chosen as the puzzle of the day?>

One of the joys of CG is that the positions are taken from real life. This means that - unlike artificial problems - there can be more than one "solution".

But that's not necessarily a bad thing. We can choose to see the POTD as pure puzzles or we could use them as sparring partners.

Sparring partners? Let me explain ....

In today's puzzle, the "solution" is clearly 22. Qxf7+ and mate in 2. Black then gets to choose which square to die on. Admittedly, that's not much of a choice. It's a bit like being on death row and about to be frazzled by old sparky. When the jailer gives you one last request, you'd really like to say "hold my hand" or "can I go free purty purlease...?". But what he really means is do you want a hot dog or a macdonalds for your last meal. It's a choice, but not a great one.

If all we want is a puzzle, we could stop there. Mate in 2, the large lass is warbling and all is well with the world.

Or we can furble with the position. Rewind to the last big mistake. Find alternative winning lines. Look for tenacious defences. Try and work out exactly what black was thinking when he played 21. Qh3. Doodle. Dream.

That's what I mean by using the position as a sparring partner. Exercising those chessy brain cells. Pumping iron in your synapses.

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