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Laszlo Szabo vs Alexander Kotov
Groningen (1946), Groningen NED, rd 10, Aug-24
Tarrasch Defense: Symmetrical Variation (D32)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 9 times; par: 45 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Nov-04-11  newton296: I was able to see the mate threat Qh7++ right off the bat. so if not for the Nf6 defender its a win for white. so pretty straight forward attack here, Nd5 challenges the knight and Q at the same time forcing blacks hand.

I figured best for black was ...exd5 Bxf6 ...hxg5 Bxe7 ...Nxe7 Kxh7 and white is up a Q for N+B gotta be winning for white.

never considered the weaker ...Bf5 black just loses faster.

Nov-04-11  scormus: <TheBish, ventricule> 19 move?

When I played it through I was at first surprised, why not Bxe7 ? But the continuation is so neat and Szabo looks in complete control. I though his was an improvement. After 19 Bxe7 gxe5 20 Bxf8 Bxe5 B seems to have mitigated the loss of material.

But after 21 Rd1 W is ahead R+B vs p, and although W has 3 pieces en pris, B can only take one of them and has to give up a pawn for it. So it comes out a whole R, at least if I havent missed something. If you were playing OTB would you be so sure there was nothing better for B after 19 Bxe7 ?

A bit more to this than at first meets the eye

Nov-04-11  sevenseaman: <pittpanther> and <ventricule> <Why not <19. Bxe7+> instead of <19. Qxg6+> and win a whole R rather than just the exchange>?

You two seem to have a valid point. During analysis I thought since my Q was hanging it was pointless to capture the Black Q with the DSB.

Now playing through it seems White does gain a whole R rather than merely the exchange.

<The Bish> Agree to your point too.

You have typed ~~~~~~~ across the width of the page. It has widened the whole page. See if can still delete it.

Nov-04-11  newton296: I played this out against fritz and black can set up a pretty fortress strong enough to make me play about 25 more moves before winning.

good endgame practice here

Nov-04-11
Premium Chessgames Member
  kevin86: I believe i answered this one-I don't know how far I had to play to answer this one-I have the first five moves or so.
Nov-04-11  jackpawn: I found the solution fairly easily, but maybe I have an advantage because my White openings often lead to very similar positions.
Nov-04-11  BOSTER: This is the standard demolition of the black camp by removing the main defender Nf6. Main line is 16.Nd5 exd5 17.Bxf6 hxg5 18.Bxe7 Nxe7 19.Kxh2 dxc4 20.Qxc4.

But if you include the "between moves",the picture will be a little bit changed. 17...Bf5 18.Qxf5 g6 19.Qf3 if Qc7 Qh3, if Ne5 20.Bxe7 Nxf3 21.Nxf3 dxc4 22.Bxf8 and white win.

Nov-04-11
Premium Chessgames Member
  Pawn and Two: I wanted to invade on the h7 square, but not seeing a quick way of doing this, I first considered the capturing options on h2, e6, f7.

None of the capturing options looked promising, so I finally got around to considering a move by a star player, The White Knight on c3!

It did not take long to see that 16.Ne4? would not work, but at first I also had doubts about 16.Nd5!. Then I saw the followup, 16...exd5 17.Bxf6!

At this point I considered the position won, and in the game continuation 17...Bf5 18.Qxf5 g6, I would have played 19.Bxe7 gxf5 20.Bxf8, with a winning ending.

Crafty's defense 17...hxg5, was interesting, and tougher than it looked.

Szabo's comments on this game from his book, <"My Best Games of Chess">, are interesting and helpful in understanding the ideas and complications at the critical points of this game.

Regarding 14.Ng5, Szabo stated, <"It has not been clear to this day, whether my opponent deliberately tempted me to make this move, when he followed up a6 with Bc7, or did he discover the winning of the pawn only at this moment, qualifying Ng5 as an error? As for my part, I deliberately sacrificed the pawn, having hoped to get a pair of bishops, and thereby an attack.">

Regarding 15...h6??, Szabo commented, <"I have been asked time and time again how could a grandmaster fall into such a combination? Only the "perpetrator" could say how, but others are also prone to overlooking such motives,...">.

Szabo recommended that 15...Be5! should have been played. Szabo believed White would still have the better chances in the line: 15...Be5! 16.f4 Bxc3 17.Bxc3 g6, due to the weakened a1-h8 diagonal.

Here is Fritz's evaluation of 15...Be5!:

(-.28) (26 ply) 15...Be5! 16.f4 Bxc3 17.Bxc3 g6 18.Rf3 h6 19.Ne4 Nxe4 20.Qxe4 Kh7, (-.28) (24 ply) 21.Kg1 Bd7 22.Rg3 Rfd8, or (-.32) (24 ply) 21.Rd1 f5 22.Qc2 b5.

Nov-04-11
Premium Chessgames Member
  doubledrooks: 16. Nd5 brings home the point for White. For example:

16...exd5 17. Bxf6 Bf5 18. Qxf5 g6 19. Bxe7 (I analyed Szabo's move of 19. Qxg6+, but Bxe7 seemed stronger) gxf5 20. Bxf8

Nov-04-11
Premium Chessgames Member
  Marmot PFL: The basic idea, that with Nf6 eliminated white threatens Qh7 mate, was easy to find. This suggests 16 Nd5 ed5 17 Bxf6 with mate or decisive win of material. There are some complications because a great many pieces are attacked, but white always comes out ahead. 18...g6 for instance could simply be answered by 19 Bxe7 gf 20 Bxf8. White is up a rook, and while 3 pieces are attacked, as soon as black takes one he loses Bh2, then takes another and white retreats, always with a material edge.
Nov-04-11
Premium Chessgames Member
  lost in space: Were is <Once>?
Nov-04-11
Premium Chessgames Member
  chrisowen: Laszlo jam feed it 16.Nd5 white knight shining example

Dominate centre heres zabo jog on down any defence is AK?

Taught a lesson for have gas will travel once rail subject of

The matter in clipping his wings aw an purpose in orthos east nd5 dismantling instructive sign! Cheerio ja

Nov-04-11  rilkefan: <my White openings often lead to very similar positions>

Either you need stronger opponents or I need to learn your repertoire.

Nov-04-11  scormus: <chrisowen: Laszlo jam feed it 16.Nd5 ...>

perfectly expressed!

Nov-04-11
Premium Chessgames Member
  Sneaky: In the end Black is down the exchange as a best-case-scenario. I kept thinking Black would play a timely ...Be5 to simultaneously get the bishop off the hook and threaten a1, but somehow there never was time for that.
Nov-04-11  BOSTER: <lost in space> <Were is <Once>?>.

Lost in space.

Nov-04-11  Patriot: Could this be <chrisowen>? Click on "About" on this site: http://chrisowen.net/

He states he likes to "make stuff up" and "find beauty in the way words go together" which sounds a lot like him.

Nov-04-11
Premium Chessgames Member
  Pawn and Two: <Sneaky>: <I kept thinking Black would play a timely ...Be5 to simultaneously get the bishop off the hook and threaten a1,...>.

This is a good suggestion, and the time to do it was 15...Be5!, as recommended by L. Szabo.

Nov-04-11
Premium Chessgames Member
  morfishine: The line I produced is actually the line ole 'Crafty' defended with, which I think White is thoroughly winning: <16.Nd5 exd5 17.Bxf6 hxg5 18.Bxe7 Nxe7 19.Kxh2 dxc4 20.Qxc4 Re8>


click for larger view

Szabo's line winning the exchange is good enough too

Nov-04-11  stst: First check the Q, not K:
16.Nd5
IF (A)16...exd5, 17.Bxf6 Qxf6 or gxf6,
18.Qh7#
IF (B)16...Qd8, 17.Nxf6+ Qxf6 or gxf6,
18.Qh7# the same!
IF in (A)16....exd5, 17.Bxf6 g6 (trying to block Qh7), but losing its own Q, 18.BxQ
Nov-04-11  Pawn Derous: A straightforward situation, n'est pas?
__16. N-d5 (threat: 17. Nxe7+ 18. Qh7#)
If 16. Pxe5 then 17. Bxf6
If 16. Nxe5 then 17. Qh7#
If 16. Pg6 then 17. Nxe7+
Nov-05-11
Premium Chessgames Member
  lost in space: <<BOSTER>: <lost in space> <Were is <Once>?>. Lost in space.>
:-)

And serious?

Nov-05-11  newzild: <sevenseaman: newzild I did not find

16. Nd5 ed
17. Bxf6 hg (Crafty's move)
18. Bxe7 Nxe7
19. Kxh2 dc
20. Qxc4 adequate for a win. Give some more moves please.>

Queen versus two minor pieces should win easily in most middlegame positions, all other things being equal. I did not record the first game, so I played Crafty again:

21...Re8 22. Rfd1 Nc6 23. Rac1 Re5 24. Rd6 Be6 25. Qd3 Bf5 26. Qd2 Rae8 27. Rd5 Rxd5 28. Qxd5 g6 29. Rc5 Rd8 30. Qc4

and a couple of moves later I sacrificed the rook for the Knight and b-pawn and won by advancing the Q-side pawn majority.

Mar-19-12  Norbi506: Good stuff!
Mar-31-14
Premium Chessgames Member
  plang: 6..Be7 seems odd allowing White to gain time. 8..Bb6 is an unusual choice blocking any queenside play. 14..Bxh2+?! also seem suspect; Szabo recommends 14..Ne5 15 Be2..h6 16 Nge4 with some White advantage. 15..h6? is a blunder surprisingly overlooking White's idea; after 15..Be5 16 f4..Bxc3 17 Bxc3..g6 White would have a powerful attack for the pawn but would still have to win the game.
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