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Laszlo Szabo vs Olaf Barda
Bucharest (1953), Bucharest ROU, rd 15, Feb-??
English Opening: King's English Variation. Hungarian Attack (A25)  ·  1-0



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sac: 35.Qxa6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Aug-22-13  Dr. Funkenstein: White to play, material even with white enjoying a large space advantage on the queenside which can be exploited to win the exchange for a pawn with

35. Qxa6 bxa6 36. b7 Qb8 37. Ba5 e4 38. Bc7 Qxc7 39. b8=Q Qxb8 40. Rxb8

I didn't think to throw in e4 to immobilize the black pawns, but as better players have posted, it works either way

Aug-22-13  gofer: White has an active bishop, but black's is blocked in by his own pawns. This allows a slightly unusual sacrifice that wouldn't work otherwise...

35 Qxa6 bxa6
36 b7 Qb8
37 Ba6 e4
38 Bc7 Qxc7
39 b8=Q

White has one the exchange for an isolated pawn that black cannot defend. Pe6 is also vunerable. It is time for black to resign...


Hmmm, okay maybe there was some fight left in this position. I don't think that <37 e4> is 100% necessary, but I do see the logic of it...

Aug-22-13  M.Hassan: <morfishine:PM: I don't see how 37.e4 is any better than an immediate 37.Ba5>

Exactly, nor do I

Premium Chessgames Member
  gawain: This puzzle and the kibitzing it spawned are quite interesting. I did see the pawn promotion idea and thought that endgame looked winnable. But 37 e4 surprised me. I did not consider any move besides 37 Ba5. I'll be looking it over with computer assistance--but keeping in mind that computers are not always very good at evaluating endgames.
Aug-22-13  YetAnotherAmateur: My first instinct was in fact the game line: Qxa6 either wins a rook or opens up the path for promoting the b-pawn (winning back the queen and setting up a R v B endgame favoring white).

And like many posters, I was a bit surprised by 37. 34, but it makes total sense as a way of ensuring beyond any doubt that black's bishop will remain out of action until after the damage is already done.

Aug-22-13  mistreaver: Thursday. White to play. Medium. 35.?
Not very difficult for Thursday imho.
35 Qxa6 bxa6
36 b7 Qb8
37 Ba5
with unavoidable Bc7 and b8 queen
Aug-22-13  notyetagm: Szabo vs O Barda, 1953

Damn, I literally solved this problem in like 2 seconds. Why? Because I thoroughly understand that Game Collection: BLOCKADERS DO *NOT* PROTECT SQUARES! YDNPS!.

35 ♕b5x♖a6! <overloaded: protecting a6-rook & blockading b7-sq>

35 ... b7x♕a6 <deflection: b7-sq>

36 b6-b7 ♕c8-b8 ▢

37 ♗c3-a5! Δ ♗a5-c7! ♕b8x♗c7 b7-b8=♕

Aug-22-13  notyetagm: Szabo vs O Barda, 1953

Notice how the combination actually begins one move earlier with 34 ♗d5x♘e6!, <REMOVING THE GUARD> of the critical c7-sq square in preparation for the winning <BISHOP MANEUVER> ♗c3-a5, ♗a5-c7!.

Aug-22-13  Sihlous: I'm thinking 37.e4 is simply a matter of taste...Since black can't save himself no matter what, Szabo probably just thought of the resulting position and preferred the locked pawns...It's not a necessity...but it doesn't hurt either.

As mentioned earlier it does have the whole "You still can't stop Ba5-Bc7 so I'm going to play this first to make it hurt for one more move."

Aug-22-13  TheaN: I think what needs to be said about 37.e4 is that for computers, Ba5 and e4 fair the same, maybe the former even stronger.

It is what counts for the player, though. In terms of position possibilities, e4 feels more easily to play for white than allowing black to open the diagonal with e4. It doesn't really gain a lot for black, and that's slightly unfortunate because it partly destroys the point.

For instance, if white would not have the option of e3, moves like e4 with Bd4 and Qf8 could create some threats for black and give him an outposted bishop. In the final position this loses, but with the queens still otb, that might have been hardfought. Of course, if white couldn't play e3, neither could he play e4, but just as an illustration.

Long story short: the silicons give both +3, a player would probably be more content with 37.e4. Necessary? No, as long as you can handle the minor complications after 37....e4.

Premium Chessgames Member
  FSR: Unless I'm missing something, this looks more like a Monday-Tuesday puzzle: 35.Qxa6 bxa6 36.b7 Qb8 37.Ba5 followed by Bc7 secures a winning material advantage.
Premium Chessgames Member
  kevin86: The queen sac is followed ny a big force to push a pawn through.Eventually,the queen is uprooted from her blockading role.
Aug-22-13  BOSTER: Honestly I didn't pay attention to move 37.e4 even I know the Rule in the ending <Don't Hurry>, and I believe this is a big mistake.

About 37.e4. Is it necessary?
<patzer2> <No,at least not according to my Fritz 12, which gives 37. Ba5+3.44 and 37.e4 +3.05>.

My opinioin move 37.e4! and move 37.Ba5 this is what separate the strong GM from amateur. I agree with <Phony Benoni> comment, if you have the time to make the black bishop more <stupid> do it.

After 37.Ba5 black would play e4 to activate the bishop 38.dxe4 d5 39. Bc7 Qxc7 40.b8=Q Qxb8 41.Rxb8 dxc4, and it is not so easy for white to win this ending.

Premium Chessgames Member
  chrisowen: One cadences c3 ogle e5 can change I get giving go,

good game barbar b1 alive aim sussed in fly a toe,

in bull shined go knowledge negligent I doot back b5 low be free enough binds a6 bad bullseye do,

churlish read dutifuls in advantage also devious,

better chime need fatefuls I neck had bishop hone in diplong beast choose awesome dervish to be,

decided cop bind deems free retinals right id raffle see one heading's bishop accumulate effect,

by re-assured rad deployed queen rook again bones 6b quagmire bussed a changing too free general in,

effect first off again 35.Qxa6 black arriving era fed 33...ra3 gold sussed rook accessed lords over ignoble cherubim c3 in st edge you met 33...Qc8 allows grounded for go figure hedge e6 low dead.

Aug-22-13  Marmot PFL: Like others I think it's too easy for Fri. Outside of 35 Qxa6 there isn't really anything else to analyze.
Aug-22-13  bubuli55: I think 37. e4 means ... I'm in full control. You may resign.
Aug-22-13  bubuli55: If there's any surprise, White did not continue with 40. h4

Because Black obliged e4 by playing on ...

Aug-22-13  engmaged: 66. White to play and win

click for larger view

Spassky vs Larsen, 1969

Premium Chessgames Member
  ajk68: And the finish? Class? Anyone?
Aug-22-13  BOSTER: <OhioChessFan> <I think e4 is more positional than necessary>.

What does it mean <is more positional than necessary?>.

If you understood the positional play, if you have ever read "My System", you would undestand that the preventive is the main idea of the positional play. This means that 37.e4 is <necessary> to play who understand chess, and this is not <simply a matter of taste>.

Premium Chessgames Member
  Phony Benoni: There may also have been practical onsiderations behind 37.e4. In 1953, there would likely have been a time control at move 40 and immediate adjournament thereafter. 37.e4 would have brought White closer to this harbor without conceding anything. Also, if Black had been in time pressure, that's when unexpected moves like 37.e4 can be the hardest to meet correctly.

Under today's conditions, perhaps Szabo wouldn't have bothered. Or maybe he would have. I don't know what those grandmasters are thinking about.

But as for making ones life easy imagine you were seeing this position from R Domenech vs Flohr, 1935 as a puzzle:

click for larger view


A popular first idea would be simplifying on d2 (24...Nb3, 24...Ne4+, 24...Rxd2+), followed by penetration with the king. It doesn't take long to se that such penetration is problenatcu at best,

Flohr's solution: <24...Ne6! 25.f5 Nd4! 26 f6 gxf6 27.exf6 Nb3>, followed by trades on d2 and the pawn on f6 was ripe for the trading.

The Lazy Man's Guide to WInning Chess.

Premium Chessgames Member
  ajk68: I'll answer my own question. I believe the strategy is to walk the king around the queen side occupying d5 and then sacrificing the exchange to get a passed pawn.
Aug-22-13  nalinw: I don't get a Thursday puzzle often. Perhaps better if given one move before as Bxe6 is forcing.
Aug-23-13  notyetagm: Szabo vs O Barda, 1953

Game Collection: PROPHYLACTIC PLAY => PREVENTING FREEING MANEUVER 37 e2-e4! prevents Black from liberating g7-bishop via .. e5-e4

Aug-23-13  notyetagm: Szabo vs O Barda, 1953

Game Collection: FIRST KILL THE COUNTERPLAY, -THEN- THE EXECUTION 37 e2-e4! prevents Black from liberating g7-bishop via .. e5-e4

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