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Ian Thomas Findlay vs Lawrence Day
Ontario (1980)
Sicilian Defense: Lasker-Pelikan. Sveshnikov Variation (B33)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-22-20
Premium Chessgames Member
  al wazir: I found the right combination, but overlooked the need for 24...Nxd5 to keep white from interposing with Ne3 after the ♗ check.

I'm sure I would have seen it OTB.

Oct-22-20  stacase: I missed the very necessary 24...Nxd5 which prevents .Ne3 when Black moves ...Bc5+ forcing the White King into the corner so that the fun can commence.

And now I see that <al wazir> said pretty much the exact same thing (-:

Oct-22-20  Walter Glattke: 23.-d5 wins A) 24.Bf3 Bc5+ 25.Kh1 Rh4 26.Na8 Ra7 B) 24.Bxd5 Nxd5 25.Nxd5 Bc5+ 26.Kh1 Rxh2+ 27.Kxh2 Qh5+ 28.Kg3 Rg7+ C) 25.Nxd5 Nxd5 26.Qxd5 Bc5+ 27.Rf2 Bxf2+ 28.Kxf2 Qxd5 29.Bxd5 Rd7 threatens Ra1, so 27.-Bxa3 28.Qxd5 Bxb3 29.cxb3 Bc5 23.-d5 always wins, also in other variations
Oct-22-20  mel gibson: Didn't see that.

Stockfish 12 says:

23... d5

(23. .. d5 (d6-d5 ♗e4-f3 d5-d4
♔g1-h1 ♕f7-e7 ♘b6-d5 ♘b4xd5 ♗f3xd5 ♕e7-c5 ♗d5-e4 ♕c5xa3 ♖e1-a1 ♖h6-h4 ♕d2-e1 ♖h4xe4 ♕e1xe4 ♗f8-e7 h2-h3 ♖c7-c8 ♖f1-c1 ♔e8-f8 ♕e4-h4 ♔f8-g7 ♕h4-e4 ♔g7-h8 ♕e4-b7 ♖c8-c3 ♔h1-h2 e5-e4 ♔h2-h1 d4-d3 ♕b7xe4 ♗e7-d6 ♕e4-e8+ ♔h8-g7 ♕e8-d7+ ♔g7-h6 ♕d7-e6 ♗d6-e5) +3.78/34 212)

score for Black +3.78 depth 34

Oct-22-20  Nov8: Find my day!
Oct-22-20  AlicesKnight: Found the ....d5 break and follow-up. The Q-side attack deflects the white Q neatly, though if 23.Rc1 is played ....d5 still looks effective.
Oct-22-20  Thumbtack2007: It looks to me as though 24.Bf3 leads to a draw with neither side able to make any progress towards a win.
Oct-22-20  Caissas Clown: Easy ! Doubt my chess would have improved so much,without the extra leisure time afforded by the C-word.
Oct-22-20  Brenin: 26 Kh1 was a major blunder, as the mating attack by 26 ... Rxh2+ should have been obvious by then. White could have survived with 26 Re3, e.g. 26 ... Bxe3+ 27 Qxe3 Qxd5 28 Qxh6 with material equality, and both sides having a minor piece dimly on the rim. No doubt Black has better alternatives, but he is not obviously winning.
Oct-22-20  Cellist: I saw the game line and thought Black would win back enough material if White interposed with a rook on e3 or f2 after 25. ... Bc5+. But the continuations are tricky in these cases. I did see that 26. Kh1 is disastrous.
Oct-22-20
Premium Chessgames Member
  beenthere240: Bf3 drops the knight after B c5+.
Oct-22-20  landshark: I thought 26.Rf2 would be played and Stockfish agrees. Then the game continues with B holding a good advantage but not a clearly forcing win.
Oct-22-20  Brenin: <beenthere240>: After 23 ... d5 24 Bf3 Bc5+ 25 Kh1 Bxb6 White has 26 Qxb4 (regaining a N), e.g. 26 ... Bc5 (skewering Q and N) 27 Qd2 (attacking the R on h6 and the P on d5), and White seems to be OK, with Nb1 or Ra1 possibly to follow.
Oct-22-20
Premium Chessgames Member
  Predrag3141: <White could have survived with 26 Re3, e.g. 26 ... Bxe3+ 27 Qxe3 Qxd5 28 Qxh6 with material equality> Black has the e3 rook in the bank on move 26. No need to take it right away.
Oct-22-20
Premium Chessgames Member
  thegoodanarchist: 26.Kh1 is just suicidal.
Oct-22-20
Premium Chessgames Member
  OhioChessFan: I think White might hold after 24. Bf3. <Benin's> looks survivable.
Oct-22-20
Premium Chessgames Member
  Messiah: This one was surprisingly easy.
Oct-22-20
Premium Chessgames Member
  Jimfromprovidence: I thought after the line 23...d5 24.Nxd5 Nxd5 25.Bxd5 Bc5+ 26.Rf2 Qh5 27.h3 Qxf5 that others had purported then 28.Ra1?!, below, might be good for white.


click for larger view

I did not see that 28...Rh4, below, threatening, 29...Rf4 would discourage 29 Rxa2, but Stockfish did.


click for larger view

Oct-22-20
Premium Chessgames Member
  agb2002: Black has the bishop pair and a pawn for a bishop and a knight.

White threatens Qxb4.

The d-pawn blocks the dark square bishop. This suggests 23... d5 which I probably would play without much thinking hoping for 24.Nxd5 Nxd5 25.Bxd5 Bc5+ 26.Kh1? Rxh2+ 27.Kxh2 Qh5+ 28.Kg3 Rg7+ and mate next.

Oct-22-20  vajeer: not medium level I think. Especially line after 23....d5 24. Bf3 and I couldn't find a decisively short continuation for a "medium" level puzzle. But really a good puzzle in general. Also I see Stockfish suggests 24...d4 25. Kh1 Qe7 26.Nd5 Nxd5 27.Bxd5 Qc5 28. Be4 How about 28. Qa5 instead It appears on surface it should give White some active play?
Oct-22-20  SlowBishop: <FSR> 23... d5 24. Nxd5 Nxd5
25. Bxd5 Bc5+
26. Rf2 Qh5
27. h3 Bxa3?
28. Bf3!
with a strong attack. White is likely winning
Oct-22-20
Premium Chessgames Member
  Who is me: i fond porn move
Oct-22-20  Brenin: <Predrag3141>: Of course, after 23 ... d5 24 Nxd5 Nxd5 25 Bxd5 Bc5+ 26 Re3 Black has alternatives to 26 ... Bxe3+: the R on e3 is going nowhere, but Black's Q is en prise, so where do you suggest he should move it? The non-obvious 26 ... Qf8 seems to leave most options open, e.g. 27 Kh1 allows Rxh2+ 28 Kxh2 Qh6+ 29 Kg3 Bxe3. White's best seems be 27 Rd1, with discovered threats on the d-file, e.g. 27 ... Bxa3 28 Be6 with advantage to White.
Oct-22-20
Premium Chessgames Member
  Predrag3141: <The non-obvious 26 ... Qf8 seems to leave most options open> Yes, 26 ... Qf8 looks good.
Oct-23-20
Premium Chessgames Member
  scruggs: <who is me> your spelling is worse then even mine
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