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Bojan Kurajica vs Anatoly Karpov
Tilburg rapid (1994) (rapid), Tilburg NED, rd 2, Sep-15
Queen's Indian Defense: Spassky System (E14)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
May-24-05  aw1988: Oh dear.
May-24-05  Jim Bartle: Isn't every (sound) sacrifice a "faux" sacrifice when you come right down to it?
May-24-05  aw1988: I don't know how to precisely define sound. If you have a normal position, and you sacrifice, and it is losing, then yes, it is obviously unsound, but to speak of other advantages, I have no clue...

In my book a "sacrifice" is when the sacrificer DOESN'T get the piece back. When he does, it's a piece offer. Ask Spielmann.

May-24-05  Everett: This page had me on the floor! Good stuff, if not chess-wise...
May-24-05  Everett: Oh, it's rapid, yes? Not saying this isn't an impressive game...
May-24-05  aw1988: This appears to be a 20 min. game.
Nov-17-08  alfiepa: The games remember a lot the game
Zichichi - Hort Venice 1971.
Watch this game!
Dec-09-09  ounos: I remember enjoying this game too much as a kid.
Mar-25-12
Premium Chessgames Member
  Peligroso Patzer: <alfiepa: The games remember a lot the game Zichichi - Hort Venice 1971. Watch this game!>

Here’s a link to the referenced game: A Zichichi vs Hort, 1971

… which involves a similar Queen sacrifice on g7, also to prepare a fork that recovers the material with interest.

Mar-25-12
Premium Chessgames Member
  brankat: A very fine game by my old buddy Bojan!
Apr-09-19  Fish55: Very pretty sac on g7!
Apr-09-19
Premium Chessgames Member
  ChessHigherCat: Took me a million years, mainly because I was looking for something remotely resembling a Tuesday puzzle instead of a Thursday:

21. Qg7+ Nxg7 22. Nh6+ Kh8 23. Nexf7+ Rxf7 24. Nxf7+ Kg8 25. Nxd8

Apr-09-19
Premium Chessgames Member
  agb2002: Black threatens gxf5.

The position of the knights suggest 21.Qg7+ Nxg7 22.Nh6+ Kh8 23.Nexf7+ Rxf7 24.Nxf7+ Kg8 25.Nxd8:

A) 25... Ba8 (trying to trap the knight) 26.Rc1 Be7 27.Rc8 traps the bishop on a8 and wins decisive material.

B) 25... Bc8 26.Nc6 + - [R+P vs n].

Apr-09-19
Premium Chessgames Member
  perfidious: Once one spots the theme, another easy puzzle for this here hasbeenusetawas. I expect the stuff by the end of the week to be a lot tougher, as always--I do not deceive myself with the belief that I can make a clean score in these POTD.
Apr-09-19  Walter Glattke: No mate possible, only Ng5 instead of Ne5 and 21.Nxe6 would break the black Castle.
Apr-09-19  saturn2: Geller in his later years also got Karpov with a queen sac leading to favorable simplifications.
Apr-09-19  drollere: the block of Ns made the Q sacrifice pretty obvious, since only the N can capture. at first i thought a smothered mate was in there but quickly realized it was an elaborate exchange sacrifice, N for R.
Apr-09-19
Premium Chessgames Member
  malt: 21.Qg7+ N:g7 22.Nh6+ Kh8 23.Ne:f7+ R:f7
24.N:f7+ Kg8 25.N:d8 Bc8
Apr-09-19  rudiment: Happy to get this, I usually miss the non-mating ones.

My process for these puzzles is generally to ask myself "what move would be mate if it weren't for that one pesky piece" - and in this case that led me straight to Qg7+ and the game line.

Apr-09-19  hdcc: Bojangles.
Apr-09-19  TheaN: Tuesday 9 April 2019

<21.?>

I guess this is a Tuesday by virtue of a completely forcing line, and no reasonable alternatives for White to begin with.

<21.Qg7+! Nxg7 22.Nh6+ Kh8 23.Nexf7+ Rxf7 24.Nxf7+ Kg8 25.Nxd8 +-> nets White the exchange and the Knight will be able to escape as he's currently attacking Bb7; I believe White's safe to play Rc1 on either bishop move. In this kind of position, the Rook's clearly superior.

Apr-09-19
Premium Chessgames Member
  Honza Cervenka: Karpov erred by retaking the Rook with Queen instead of Bishop allowing thus Nf5 with decisive effect. 20...Qb8 would have been a bit better than 20...Qd8 running just into white's winning combination but after 21.f4 or 21.Nxd6 Qxd6 22.f4 white's attack looks quite overwhelming anyway. 19...Bxc8 20.Nf5 gxf5 21.Bxf5 Re8 22.Ng4 Nxg4 23.fxg4 Nf8 24.Bxc8 Re2 (24...Qxc8 25.Qxd6 +-) 25.Bc1 Qxc8 26.Qxd6 Qxg4 27.Qxd5 Ne6 keeps black alive.
Apr-09-19  landshark: I think this works:
21.Qg7+ NxQ
22.Nh6+ Kh8
23.Nexf7+ RxN
24.NxR+ Kg8
25. NxQ .... Black has to move his B from b7 to save it. If is goes to c8, White plays Nc6 with R+P vs. N advantage. Or if it goes to a8, White plays Rc1 threatening Rc8 trapping same B which I think cannot be stopped.

All that said, I think the new 'easy' on Tuesday makes me feel like I need to take some chess lessons -

Apr-09-19
Premium Chessgames Member
  gawain: Sacrifice? I follow Spielmann. when you are giving up material for some positional gain or for a speculative attack then it is a genuine sacrifice. When you are temporarily giving up material to force mate or to win material it is more of a sham sacrifice. Not that it matters in the end, but I admire players who offer lots of genuine sacrifices!
Apr-09-19  RandomVisitor: As <Honza Cervenka> points out, black should have recaptured with the bishop:

After 19...Bxc8


click for larger view

Stockfish_19032014_x64_modern:

<60/90 +0.13 20.Nf5 gxf5 21.Bxf5 Re8> 22.Ng4 Nxg4 23.fxg4 Nf8 24.Bxc8 Re2 25.Bc1 Qxc8 26.Qxd6 Qxg4 27.Qxd5 Ne6 28.Bh6 Qxd4+ 29.Qxd4 Nxd4 30.Rf4 Re6 31.Rg4+ Rg6 32.Rxg6+ hxg6 33.Be3 Nc6 34.Kf2 Kg7 35.Bd2 Kf6 36.Kf3 Kf5 37.g4+ Ke6

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