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Iolo Ceredig Jones vs Juergen Dueball
Nice Olympiad Final-A (1974), Nice FRA, rd 10, Jun-24
King's Indian Defense: Fianchetto Variation. Classical Fianchetto (E67)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Nov-18-11
Premium Chessgames Member
  Jimfromprovidence: White has no counterattack after the text 29...Qe2, not even with 30 Re1.


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The back rank is protected twice so there's no threat there. Now white simply plays 30...Qxf3+, forcing 30...Kg1 31 Bxc3, picking up another piece.


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Nov-18-11  vrandolph: Couldn't believe I figured this one out fairly quickly. I've missed all but Monday's puzzle so far, this week.
Nov-18-11  tacticalmonster: 28 Re1! 29 Bxd2 (29 Rxe1 Nf2+) Nb2!- White must lose his queen or get mated.

Time spent: 30sec

Nov-18-11
Premium Chessgames Member
  chrisowen: The whippletree Re1 lambast i on good hop piece tacks not it rook over then nf2 forking queen a gul has current eaves drop bishop orthodox mop top roll share nb2 picks up her monach scope reduced ;0

The swingletree d3 roundabout it equalizer d5 then dark horse harries on dive Jones and JD ok! Old DJ sardines.

Nov-18-11  sfm: <polarx: Got it! Would I overlook this move in actual play? I would.> Same here. I just wonder how many combies I have missed over time.
Nov-18-11  anandrulez: So would I ! These are easy to pick when its a puzzle but otherwise you wont get such ideas from vaccum .
Nov-18-11  BOSTER: <Gllmoy> <intermediate priciple that the strength of your position is proportional to the number of intersection of lines of force>. It would be nice if you give any source, supporting this theory.
Nov-18-11  M.Hassan: "Difficult" Black to play 26....?
Black has a bishop for a Knight which makes sides equal.

I saw the move that i think is right fairly quickly:

26...........Re1
<if 27.Rxe1 Nf2 forking King and Queen>

if either Bisop or Knight take the Rook, say Bishop 27.Bxe1 Nb2 attaking Queen and opening way for Queen to checkmat as can be seen from the diagram below: 28.Nxb2 Qxf1#

May be the best play would have been to take the Rook with Queen:

26............Re8
27.Qxe8 Nxe8
28.Rxe8
In this way, White Looses Queen for a Rook and a Knight. Time to check


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Nov-18-11  Sularus: got it
Nov-18-11
Premium Chessgames Member
  FSR: The outrageous 26...Re1!! wins queen for rook and knight. If White captures the rook with his knight or bishop, 27...Nb2! wins. If 27.Rxe1, Nf2+ 28.Kg2 Nxd1.
Nov-18-11
Premium Chessgames Member
  FSR: I've heard that the 1974 Olympiad was very Nice.
Aug-08-15  thegoodanarchist: Almost certain this culminating combination is in The Encyclopedia of Chess Middlegames.

Also known as Encyclopedie des Milieux du jeu d'Echecs.

Or Enciclopedia del Medio juego de Ajedrez.

Others have called it enciklopedija šahovskih središnica. (One of my favorites)

You would not be out of line to refer to is as
enciclopedia scacchistica del mediogioco.

Still, I would be remiss not to point out that it could be called encyklopedi över mittspelet i schack.

The attentive reader might be thinking, "What about
enzyklopädie des schachmittelspiels?"

Well played, sir! Well played.

Aug-08-15
Premium Chessgames Member
  perfidious: <FSR> To coin a phrase.
Oct-05-19
Premium Chessgames Member
  Fusilli: 26...Re1!!


click for larger view

One of the most beautiful moves ever.

The rook can be taken with FOUR pieces and all captures are poisonous. And not taking it loses too. Just fantastic.

May-21-21
Premium Chessgames Member
  perfidious: <thegoldenband: Amazing move, and I didn't come anywhere near it....>

Presented with this position in an OTB game, not at all likely that I should have managed either.

A key point to the soundness of Dueball's idea is that, as in the far better-known games Lasker vs J Bauer, 1889 and Nimzowitsch vs Tarrasch, 1914, material is gained at the end of the combination which produces a clearly won position.

May-21-21  Walter Glattke: Did not expect Nb2 after Re1
A) 26.-Re1 27.Nxe1 Nb2! 28.Ng2 Nxb1 29.Rxd1 Qe2 30.Ne3 Qxf3+ Q for R+N+P B) 27.Rxe1 Nf2+ 28.Kg2 Nxd1 29.Rxd1 Qe2+!
C) 27.Nb4 Nf2+ 28.Kg2 Qxf1#
D) 27.Qxe1 Nxe1 28.Rxe1 Ne5 29.Kg2 -+ Q for R+N
May-21-21
Premium Chessgames Member
  al wazir: How did I miss this one???

I know how.

I counted *four* pieces that could capture the ♖ after 26...Re1: ♕, ♖, ♗, ♘.

So I said, that *can't* be right.

May-21-21  nikonoel: A good way to start a Friday but I expected something a bit more difficult. Did the CCTP method. Check for Checks, Captures, Threats and Pawn breaks (in that order).

1. Checks : none relevant

2. Captures: Qxa4 doesn't seem promising to say the least

3. Threats: I see 2 pieces which could potentially be vulnerable: Rf1 and Nc2. There is also Nf2 looming over the queen (fork). I briefly considered Ne1 attacking the rook but it quickly became obvious that Re1 followed by either Nf2+ or Nb2 is winning.

4: Pawn breaks: no need to look for them as #3 made them irrelevant anyway.

May-21-21  nalinw: What is the point of having an engine that does not find the solution to this problem?

It gives 26.... d4 (-1.35) as the best move!

Once the correct move is played the eval drops to - 7.85

May-21-21  agb2002: I know this game. Surely that's why I didn't post 10 years ago.
May-21-21  TheBish: I got this rather quickly. Maybe it was familiar because I posted the correct solution almost 10 years ago? Or more likely, it was a tactic I came across on my phone tactics app in the last year!
May-21-21
Premium Chessgames Member
  murkia: <nalinw>I think the engine has just been serviced ;-)
May-21-21  malt: 26...Re1 27.B:e1 (27.N:e1 )

(27.R:e1 Nf2+ and 28...N:d1 )

27...Nb2! wins the Queen, Δ 28...♕:f1#

May-21-21  Brenin: Oh, dear! I looked carefully at 26 ... Re1!!, and thought I had refuted it, but I missed the follow-up 27 ... Nb2. What a beautiful and unexpected combination. The role of the P on f3 is critical to its success.
May-21-21  Lambda: I like the way white can lose the same, slightly unusual material balance in three different ways.
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