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James Kulbacki vs Tom A Manion
Upper Peninsula Open Championship (1989), Negaunee, MI USA, rd 5, Aug-20
Gruenfeld Defense: Brinckmann Attack (D82)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Oct-03-06  Ashram64: it's pretty simple puzzle considering that white would be checkmate in the next move if he doesnt do anything. That means... the puzzle must be oriented to some sort of force win. Force win comes with checks. The only possible check is 25.Qxf7+

Once I confirmed that this is the only possible move, the rest of the combination is a cake to whip through.

Continuation has to be 25... Rxf7 26.Rc8+ Rf8 (or Qd8, not big difference) 27. Rg7+ Kh8 28.Rxf8#

Doing these type of puzzle is like taking a multiple choice test and try to elminate all the bad answers. I am sure it will be so much different OTB.

Oct-03-06  aldehyde: saw it in less than 2 seconds. easy one.....
Oct-03-06
Premium Chessgames Member
  YouRang: Found it quickly. As others have said, the winning queen sac 25. Qxf7+ becomes obvious as soon as one sees Black's imminent mating threat.
Oct-03-06
Premium Chessgames Member
  patzer2: Looks like mate-in-four after 25. Qxf7+!
Oct-03-06
Premium Chessgames Member
  kevin86: I,too,missed black's mate threat. Not to worry,as I saw the entire mating combination.

First:sac the queen to remove one rook and divert the other.

Second:check with the rook and force black's rook to return in reply.

Third:chase the king from the rook's defense.

Finally:complete the steamroll effect of the rooks by capturing black's rook to excute the checkmate.

White gives up the queen to rid black of his two defending rooks-in order for the former to mate with his own.

Oct-03-06  Stonewaller2: This is one of those "chess hustler" positions: set it up and tell the mark he can take either side as long as you get to move first . . .

What's to see here? Well, Black's ♙s confine his ♔ to the back two ranks, his ♕ is out of position, White's ♗ controls two vital squares and with his ♖ on the open file Black's defenders are overworked.

'Course if it was Tal to play and win you'd naturally go for the ♕ sac in a heartbeat . . . ;)

Oct-03-06  eainca: The first thing I saw was Black to mate on move, therefor there had to be a check by white for the win and the only check was with the queen.

More interesting is what could black have played other than N-h4?

Oct-03-06  Resignation Trap: I was surprised to find my game in the form of a daily puzzle!

It's a good thing that most players only look at the combination. Otherwise, I would have a hard time trying to explain the double blunder on move 20.

20.Nxd5? should have been met with 20...Be6!, but 20.Nxe4 is just a simple win of a Pawn.

Oct-03-06  desiobu: This was pretty easy if I solved it so quickly.

Leading up to the puzzle white's play is great. It's like from 19 on was almost forced for black.

Oct-03-06  cloybloy: A series of forced moves is necessary to parry the threat of mate by black. Knowing that, everything has become so obvious.
Oct-03-06  desiobu: Oh I didn't even see Be6! Good point.
Oct-03-06
Premium Chessgames Member
  playground player: Did anybody miss this one? Wish I could find such obvious answers when I play live games.
Oct-03-06
Premium Chessgames Member
  YouRang: <eainca><More interesting is what could black have played other than N-h4?> 24...Ne7 might be an improvement, but I think it still Black is still lost.

Nice finish <Resignation Trap>. :-)

Oct-03-06  alphee: An easy one. Just needs to get the rooks moves right.
Oct-03-06  kelu: Resignation trap, I am new but with with 20...Be6 21Qxb7 !
Oct-03-06  mang00neg: I think ...19. Nh4 might have avoided that mess.
Oct-03-06
Premium Chessgames Member
  YouRang: <kelu: Resignation trap, I am new but with with 20...Be6 21Qxb7 !>

Interesting idea. It leads to an attack on the 7th rank, but I'm not sure if the attack is sustainable. For example, 21...cxd5, then 22. Rc7 Re8 23. Rh7 Ne7 24. Rh8+ Kf7, then what?

Oct-03-06  desiobu: Why not 23. Rg7+ winning the queen with Rxg6+ or if Nxg7, mate.

I'd try to avoid opening the c file in the first place at 21 ... Bxd5

Oct-03-06  Larsker: <Resignation Trap: I was surprised to find my game in the form of a daily puzzle!> Congrats!
Oct-03-06
Premium Chessgames Member
  al wazir: <NakoSonorense: Because 23.Qd8+> Thanks. I just now realized that your post was the answer to my question (Why not 22...Ne8 ?), which I deleted because the same answer occurred to me.
Oct-03-06
Premium Chessgames Member
  YouRang: Considering the line: 20...Be6 21. Qxb7 cxd5 22. Rc7 Re8 (diagram:white to move)


click for larger view

<desiobu: Why not 23. Rg7+ winning the queen with Rxg6+ or if Nxg7, mate.>

But after 23. Rg7+, Black should play 23...Kf8, which seem to be safe (this was the point of 22...Re8). It might continue 24. Rh7 Ne7, but where from here?

Oct-03-06  desiobu: Oh! I thought you meant Rae8 (silly on my part).

Yeah in that case looks like white runs out of steam.

Oct-03-06
Premium Chessgames Member
  YouRang: <desiobu: Oh! I thought you meant Rae8 (silly on my part). > Nope - silly on my part, I'm afraid. Ambiguous (thus incorrect) notation, sorry about that. :-)
Oct-03-06  backyard pawn: Okay, I'll join the party of today's puzzle solvers. Just like the rest of you, I realized that White had to begin with a check or get mated himself, so the Queen "sacrifice" was easy to see. Then I looked at moving the wrong rook for about 5 seconds until, "aha!" or "eureka!" Good warm up for whatever's about to come on Wednesday.
Oct-03-06
Premium Chessgames Member
  gawain: Yes, Qxf7 was obviously the only try for W, after which everything else falls into place. But I have no complaint. The way things fall into place is pleasant.
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