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Yakov Estrin vs Boris Katalymov
URS-ch sf (1969), Barnaul URS, Jun-??
Sicilian Defense: Katalimov Variation (B27)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Aug-10-20
Premium Chessgames Member
  Phony Benoni: The Hidden Pin.
Aug-10-20  LoveThatJoker: 29. Qxd7 Kxd7 30. Nc5+

LTJ

Aug-10-20  Walter Glattke: White has 2 pawns more an wins with 29.Qxd7+ Kxd7 30.Nc5+ and 31.NxQ we like Mondays
Aug-10-20
Premium Chessgames Member
  agb2002: White has a knight and two pawns for a bishop.

Black threatens Rxa7.

White can win the rook with 29.Qxd7+ Kxd7 30.Nc5+.

Aug-10-20  mel gibson: Good beginners puzzle.
Aug-10-20
Premium Chessgames Member
  Alex Schindler: free rook & simplification. Not bad for a Monday's work
Aug-10-20  Brenin: Nice Monday puzzle. Having sacrificed five tempi to win a pawn, Black took greed a step too far with 14 ... Bxa4, when a developing move such as Rg8 or Be7 would have been wiser. White's R sac 19 Rxe6 was spectacular, and ultimately successful, but wouldn't 19 Qd5, threatening mate on d7, have been quicker, e.g. 19 ... Rc7 20 Rxe6+, with mate to follow?
Aug-10-20  saturn2: Estrin considered Morphy as the greatest ever. Black neglected opening principles in the first 9 moves which Estrin punished in a Morphy way.
Aug-10-20  Nullifidian: 29. ♕xd7+ ♔xd7 30. ♘c5+ wins back the queen and puts white a rook up. The bishop can't capture because of the pin.

Black really can't refuse the temporary sac either because 29... ♔b8 also loses the bishop, and the capture of the bishop is the start of a mating sequence.

Aug-10-20  malt: A Nice 29.Q:d7+ K:d7 30.Nc5+ and 31.N:e4
Picking up a rook.
Aug-10-20  et1: Magic.
Aug-10-20  TheaN: Somehow my eye fell on 29.Nc5 immediately and was about to settle on it until I noticed the queen's en prise. Mind that after 29....Qe1+! (Rxa7 now is worse) 30.Rxe1 Rxa7 31.Na4 ± White's of course winning, but that means White was winning when the puzzle started and didn't make any progress. So, switch the moves (in the previous line we didn't play it but intended) <29.Qxd7+> and Black's forced to <29....Kxd7 30.Nc5+ +-> and White comes up a rook instead.
Aug-10-20  goodevans: 15...Qxa4? was foolhardy and 17...Qxa2? just compounded the error (18.Nxc6 would be far less troublesome after 17...Qa3).

Whilst 19.Rxe6+ undoubtedly had shock value, the simpler 19.Qd5 would probably have won quicker.

Aug-10-20  zb2cr: 29. Qxd7+ does double duty, both repositioning the King for a Knight fork and putting in place a pin of the Black Bishop. After 29. ... Kxd7; 30. Nc5+ White will be a Rook ahead, with 2 extra connected passed Pawn.
Aug-10-20  areknames: < Somehow my eye fell on 29.Nc5 immediately and was about to settle on it> I actually DID settle on it after a very exhausting day. It's a terrible blunder - I didn't even notice the queen was en prise - but remarkably it still wins fairly comfortably!
Aug-10-20  Damenlaeuferbauer: After long thinking (because he was primarily a mail chess player), the 7th correspondence chess world champion Jakov Estrin finally found the nice combination 29. Qxd7+!,Kxd7 (29.-,Kb8 30.Qxd6+ +-) 30.Nc5+ with 31.Nxe4 +- to follow. BTW, a former girl friend of mine played the Katalymov variation of the Sicilian defense (1.e4,c5 2.Nf3,b6!? 3.d4,cxd4 4.Nxd4,Bb7) regularly in the first half of the 1980s with not worse results than in the main lines (Najdorf, Dragon, Scheveningen, and Sveshnikov at that time).
Aug-10-20
Premium Chessgames Member
  Predrag3141: A poor showing by Black, who beat Suetin on a better day.

B Katalymov vs Suetin, 1959

Aug-10-20
Premium Chessgames Member
  gawain: A deadly knight fork which is quite Mondayish. But Qxd7+ has to come first.
Aug-10-20  Walter Glattke: I found no options to 14.-Bxa4, good for white was 14.-Bxg2 15.Kxg2 Rg8+ 16.Kh1 Qg5 or 14.-Rg8 15.Bxc6 Nxc6 16.Rd5 Qc7 17.Qh5
Aug-10-20  TheaN: <Brenin: Nice Monday puzzle. (...) White's R sac 19 Rxe6 was spectacular, and ultimately successful, but wouldn't 19 Qd5, threatening mate on d7, have been quicker, e.g. 19 ... Rc7 20 Rxe6+, with mate to follow?>

Yes. I do have to admit that spotting 19.Qd5 Rc7 (Bc5 best, 20.Qxd7+ Kf8 21.Qxc8+ +-) 20.Rxe6! Be7 (fxe6 21.Qh5#; dxe6 21.Qd8#) 21.Rxe7+ Kf8 22.Qxf7# is <not> a trivial combination as the mating pattern from h5 is rather hidden. Move 20 in that case would have sufficed for a Monday on its own. Interesting.

Aug-10-20  messachess: Nice little puzzle.
Aug-10-20  RandomVisitor: White offers a piece sacrifice with 14.Rad1, but black can likely decline with 14...Rg8 and obtain a good game:


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Stockfish_20080713_x64_modern:
Found 510 tablebases
NNUE evaluation using 20200809-1951.bin enabled.

<51/94 1:02:44 15,260,022k 4,054k -0.48 14...Rg8 15.g3 Rg7> 16.c3 Bxa4 17.Bxa4 Qxa4 18.Qc4 Nc6 19.b3 Qa5 20.Nxc6 Qc7 21.Nxb4 Qxc4 22.bxc4 Be7 23.Rd4 Rg5 24.Rh4 h5 25.Kg2 Rc8 26.Nd3 Bd6 27.Nb4 Rb8 28.Nd5 Be7 29.Nc7+ Kf8 30.Nxa6 Rb7 31.Nb4 Ra5 32.Nd3 f5 33.Rxh5 Bf6

Aug-10-20  Brenin: So Katalymov played the Katalimov variation of the Sicilian. What a coincidence! I wonder whether they knew each other. His record with it on CG is not good: this game and an equally quick loss to Vasiukov.
Aug-10-20  RandomVisitor: After 14.Rad1, arguably the critical point of this game, black also had 14...Ra7, where in this critical variation from a 2 hour run, black is holding his own:


click for larger view

Stockfish_20080713_x64_modern:
NNUE evaluation using 20200809-1951.bin enabled.

58/82 2:07:44 32,184,247k 4,199k -0.36 15.Nxc6 Nxc6 16.Rd5 Qd8 17.Nc5 Bxc5 18.Rxc5 Ne5 19.Qe3 Rb7 20.Rd1 Qb8 21.Ra5 Ng4 22.Qh3 Qf4 23.Qh4 h5 24.Rxa6 Ke7 25.Rad6 Qe5 26.Qg3 Rc8 27.Qh4 Rg8 28.Qh3 Qe2 29.R6d2 Qb5 30.Rd6 Qe5 31.Qh4 Nh6 32.Qc4 Nf5 33.R6d2 d5 34.Qc6 Rc7

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