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Grigory Ionovich Ravinsky vs Georgy Ilivitsky
Riga (1952)
Sicilian Defense: Najdorf. Amsterdam Variation (B93)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Aug-21-05  mdz: That's just beautiful!
Aug-21-05  Kings Indian: yea, it is.
Aug-21-05  ajile: Hard one. Didn't get it.

=: /

Aug-21-05  arieszodiac: a beautiful combination that last until 9 move after, I really didn't get, nice games
Aug-21-05  villasinian: By refusing to take the knight (move 25) and the bishop (move 27)white made black run out of checks enabling him to deliver checkmate. Very beautiful game.
Aug-21-05
Premium Chessgames Member
  khense: Whew! NXG7 seemed like the only forcing move, however I couldn't see past all of black's responses. I would suspect this was a prepared variation, but the game was in 1952, when they were still playing more from scratch.
Aug-21-05
Premium Chessgames Member
  An Englishman: Good Evening: Anyone notice how the key move Bf6 blocked the f7 pawn from moving, just as Fischer did against Benko about a decade later?
Aug-21-05  morphy234: I got the first move ... at least
Aug-21-05
Premium Chessgames Member
  jahhaj: I took one look at the position and more or less gave up. I shouldn't have because it's pretty much a single forcing line, although there are a lot of moves to see.
Aug-21-05  be3292: <An Englishman> Thanks for pointing that out. Is the Fischer/Benko game available in this database?
Aug-21-05  DWINS: Check out the position after 25...Bc4+

White has only two possible moves. The one he chose leads to a mate in 5, while the only other move gets him mated in 5!

If 26.Ke1 Qe5+ 27.Kd1 Nf2+ 28.Kc1 Qe1+ 29.Nd1 Qxd1# Pretty cool!

Aug-21-05
Premium Chessgames Member
  An Englishman: Good Evening: Here's the Fischer-Benko game:

Fischer vs Benko, 1963

Aug-21-05  Catfriend: <DWINS> After 25..Bc4+ 26.Ne2! it's only mate in 4, not in 5:) Sorry for splitting hairs.

I wonder whether 18.Rxf4 would work, but I guess Nc5xd3 counters it.

Aug-21-05
Premium Chessgames Member
  al wazir: I never saw 22. e5, but white didn't see that black could play 18...Ncxe3, and then it doesn't work. If 19. Qh6 than 19...Bxg5; if 19. Nxe6 then 19...Nxe6; if 19. Bxd8 then 19...Qxd8; and if 19. cxd3 then 19...Ng6. I guess the result of the game justifies 18. Nxg7, but all it should win is a pawn.
Aug-21-05  DWINS: <Catfriend>, I still believe it's a mate in 5 that begins with 26.Ne2

(26...Bxe2+ 27.Ke1 Qa5+ 28.b4 Qxb4+ 29.axb4 f3 30.Qg7#)

Aug-21-05  Catfriend: :) I see now the point - I didn't add 26.Ne2 to the counting ^-^ Well, it's a matter of choice, how to read <leads to a mate in 5>.
Aug-21-05  zothique: I think 18....Kxg7 is not a good idea, maybe Ng6 could have been a better defense
Aug-21-05  sfm: OMG, this is brilliant!! This combi is as deep as it get, with all moves, until the very last, being essential. Even at the position after 20.-,Kg8 it would still be a hard "White to play" to solve. The blocking of Black's f-pawn to disable the defense of h7 makes one think of Fischer vs Benko, 1963 but this is much deeper.
Didn't see this one to the end and wouldn't have conceived it over the board.
Aug-21-05  sfm: A perfectionist may note that 21.Bf6+ should just be 21.Bf6
Aug-21-05  JohnBoy: <zothique> - I agree that the knight is poissoned. 18...Ncxd3 gets the troublesome white-squared bishop off the board right away.
Aug-21-05  The beginner: To complicated for me :)

My candidate moves was eather Nxg7, or Rf3.

But calculating the entire line with all its posibilitis is to complicated.

Nxg7 looks pretty strong, lots of white pieces waiting to jump on the black king, or Rf3 also brings yet another attacker towards the "weak" black king position. (g7, and h7 is only defended by the king)

I wonder how the game would continiue if black had played 18 ..Ncxd3 instead of Kxg7, it surely dont look good for black with a hole in his g file. White would proberly win anyway, but figuring out the entire line with all its posibilitys is way over my head :)

Aug-21-05  hedgehog: I'm kind of happy that I saw RxN, but I had it straight off on Move 18. That does work dosen't it? I think it's beautiful the way that the revealed attack on h7 allows white to occupy f6.
Aug-21-05  Wyn Evans: A nice combination indeed but perhaps leading to no more than a ( , around 1.17, 15-ply) advantage for white, not outright victory. I've been looking at it with Fritz 8, Junior 9 and Tiger 15. It's Junior's analysis that I'll give some lines of,discarding many variations and concentrating on the strongest lines. Oh, and... I don't pretend that I allowed the software lots of time to get THE definitive answers. It may be that just a few more seconds looking at each tree would have led to position assessments more substantially in white's favour. But I don't think so. After 18. Nxg7 therefore 18. ... Ncxd3
19. Bxd8 Qxd8
20. Qh6 Kh8
21. Nh5 Nxh5
22. Qxh5 Rg8
23. cxd3 Rg5
24. Qf3 ( , 1.11, 12), or, as above until 22. Qxh5 then

22. ... Nxb2
23. Qxe5+ Kg8
24. Rf3 Re8
25. Raf1 Rc8
26. Rg3+ Kf8
27. Nd5 Bxd5
28. Qg7+ Ke7
29. Qg5+ Kf8
30. Qh6+ Ke7
31. exd5 Qxd5
32. Qf6+ Kd7
33. Qxb2 Qe5 ( , 1.17, 12), or as in last variation until 26...Kf8 then

27. Qg7+ Ke7
28. Nd5+ Bxd5
29. exd5 Nc4 (=, 0.00, 12)

Aug-21-05  John Doe: Oh man, I screwed up the move order. I pushed pawn before moving the bishop... Black can stop the attack by pushing his f pawn.
Aug-21-05
Premium Chessgames Member
  jahhaj: <Wyn Evans> I think you're being generous to White. For instance in your first line where's the advantage to White after the simple 22...♘xb2?

Black has some surprising resources in this position such as pressure along the g file after ♔h8 and ♖g8.

Of course White and Black have lots of alternatives but it's hard to find any substantial advantage to White after 18...♘cxd3. But I think the position is far too complex for even a GM to calculate. I'm not at all surprised the Black didn't play 18...♘cxd3.

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