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Patrick Wolff vs John A Curdo
Franklin K Young Memorial (1982), Boston, MA
Spanish Game: Exchange. Bronstein Variation (C69)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
Sep-19-06
Premium Chessgames Member
  chancho: A nice beating of a future US Champ by John Curdo.
Sep-20-06
Premium Chessgames Member
  chancho: 29.Kh1 Qh3+ 30.Kg1 Bh2+ 31.Kh1 Bg3+ 32.Kg1 Qh2#
Feb-03-07
Premium Chessgames Member
  chancho: Wow, that's major chess blindness on my part. Simply 29...Qh3+ 30.Kg1 Qh2#
Feb-03-07
Premium Chessgames Member
  nezhmet: If this game score is correct, black missed a much earlier and shockingly beautiful win. Set up the position after white's 17th move and take a look.

It's really quite nice:

17...cxd4! (17...exd4 also wins, similarly, but Curdo's 17...Rd8? is a bad blunder which doesn't win right away and permits white to fight on, always a dangerous thing to do versus a good player)

18. cxd4 exd4 and now

19. Qxd4 looks plausible but it is crushed by 19...Qb5! winning in all lines.

This is the key motif that returns again and again. Black's octopus-like queen sows destruction in all directions.

The rook hangs and Qh5+ is threatened.

For example, 20. Nd2 defending the rook and now 20...Rd8 21. Qc4 Qh5+ intending 22...Bh3 forces resignation. Black also has the flashier 20...Bf3!! (this position deserves a diagram, I have never seen a tactic like this before) and white goes down the drain. The best he has is 21. Nxf3 Qxf1 with a trivial win for black.

To finish the story of, it only remains to look at 17...cxd4 18. cxd4 exd4 alternatives.

They all lose: 19. Bxd4 loses quickly to our friend 19...Qb5!! (by the way 19...O-O-O in this position also wins quickly with a crushing initiative; black wins material). For example, 19...Qb5 20. Rh1 (ridiculous, but what else?) 20...Qh5+ 21. Kg1 Bxf3 22. Rxh5 Bxd1 and wins.

And the non-capture 19. Bf4 also loses to yes, you've guessed it, our old friend 19...Qb5! and the transfer to h5 is immediately lethal in all lines.

Feb-04-07  Caissanist: That is indeed quite beautiful. I love elegant combinations like this, that don't really seem like combinations until you try to find a response. Here's the diagram after 17..cxd4! 18.cxd4 exd4 19.Qxd4 Qb5 20.Nd2 Bf3!!


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Feb-04-07  IMDONE4: how did u find that variation nezhmet?
May-17-07
Premium Chessgames Member
  chancho: <IMDONE4> He's an IM. (I see you are a master as well)
Aug-11-07
Premium Chessgames Member
  chancho: I wonder if Curdo is aware of the missed combination in this game? (as pointed out by <nezhmet>)

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