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Helgi Olafsson vs Jonathan Levitt
Reykjavik op 1990  ·  English Opening: Symmetrical Variation. Hedgehog Defense (A30)  ·  1-0
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Kibitzer's Corner
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Nov-02-04
Premium Chessgames Member
  patzer2: <Chessgames.com> Thanks! The Crafty analysis of 17. Ng5? is helpful. I suspected Black had the better of it after 17. Ng5? Bxg2! but the position is complicated and I was away from my home computer and did not have access to Fritz 8 to verify.
Apr-03-11  Lil Swine: Nf6!!!
Apr-03-11
Premium Chessgames Member
  sevenseaman: I may not have made 18. Ng5!

Now that I have seen it analysed from various angles, the main revelation for me is that LSB at g2 cannot be taken by Black without coming to an early grief.

J. Nunn's analysis is very interesting too.

Apr-03-11
Premium Chessgames Member
  FSR: Ironic that Levitt is the co-author of the book "Secrets of Spectacular Chess." http://tinyurl.com/4yqpxhp
Sep-22-11  tacticalmonster: candidate: 17 Ng5 and 17 Rxe6

a) 17 Ng5 Bxg2 18 Rxe6 Nc6!

after 20 min, I finally hit upon the positional sac 17 Rxe6!

b) 17 fxe6 18 Ng5 Nc6 19 Qxe4 g6 20 h4- White has a lot of pressure: a) long diagonal h1-a8 and e4-h7 pressure b) play on the weak c5. d7-e6 pawn complex and c) much safer king position

Jul-01-12
Premium Chessgames Member
  Jimfromprovidence: Wow! 17 Rxe6! pins both the d pawn and the bishop and double attacks the bishop to boot.


click for larger view

Black has no choice but to play 17...fxe6. 18 Ng5, below, again pins the bishop...


click for larger view

...as 18...Bxg2??, for example, leads to 19 Qxe6+ with a forced mate.

After 18...h6 19 Nxe4, below,...


click for larger view

...white has another strong threat in 20 Nf6+, winning the queen.

No wonder black eventually succumbs to the pressure. Fantastic game.

Jul-01-12  vinidivici: <Jimfromprovidence:...as 18...Bxg2??, for example, leads to 19 Qxe6+ with a forced mate.>

What if after 18...Bxg2 19.Qxe6+ then

19...Kh8.....?

Jul-01-12
Premium Chessgames Member
  al wazir: I wanted to play 17. Ng5 first and then 18. Rxe6. I think that wins too, but there are too many variants for me to be sure.
Jul-01-12
Premium Chessgames Member
  M.Hassan: "Insane" White to play 17.?
White is a pawn down.

A pawn is a pawn and I would take c5 to equalize:

17.Qxc5 Nc6
18.Qe3 Ne7
19.Ne5 Bxg2
20.Rxd7 Nd5 attacking W Queen
21.Rxb7 Nxe3
22.Rxd8+ Rxd8
23.Rd7! Rxd7
24.Nxd7 Bc6
25.Ne5 Be8


click for larger view

White has doubled pawns on e file, he has is a pawn up and importantly, has a passed pawn and is likely to win.

Time to check

Jul-01-12  myusernameis: vinidivici: <Jimfromprovidence:...as 18...Bxg2??, for example, leads to 19 Qxe6+ with a forced mate.>

What if after 18...Bxg2 19.Qxe6+ then

19...Kh8.....?"

then smothered mate

Jul-01-12  vardeep: <vinidivici> <What if after 18...Bxg2 19.Qxe6+ then 19...Kh8.....?> leads to this continuation. 20.Nf7+ Kg8 21.Nh6+ Kh8 22.Qg8+ Rxg8 23.Nf7#... a classic smothered mate.
Jul-01-12
Premium Chessgames Member
  mig55: Vinividi, after Kh8 follows a nice sticked mate....Nf7 and Qg8 and Nf7 ....
Jul-01-12
Premium Chessgames Member
  Patriot: 17.Rxe6 looks good.

17...Bxf3 18.Re8+ Rxe8 19.Qxe8#

17...fxe6 (17...dxe6 18.Rxd8#) 18.Ng5

A) 18...Bxg2 19.Qxe6+ Kh8 (or mate next) 20.Nf7+ Kg8 21.Nh6+ Kh8 22.Qg8+ Rxg8 23.Nf7#

B) 18...Bc6 19.Qxe6+ similar to A)

C) 18...Bd5 19.Re8+ Rxe8 20.Qxe8#

17...d5 18.Rxe4 and black cannot recapture due to 19.Rxd8#

That's it for me tonight!

Jul-01-12
Premium Chessgames Member
  Patriot: Wow I must be tired! Line C is totally bogus.
Jul-01-12
Premium Chessgames Member
  Patriot: Another point is I missed the defense, 18...h6. This stops the smothered mate threat, attacks the knight, and forces white to snap off the bishop. Materially it doesn't work out for white at that point but of course...it doesn't stop there as <Jimfromprovidence> shows.

Besides a late night, I have to question why I missed the 18...h6 defense.

Jul-01-12  Robespierre: << kasputine: White missed 26. Rxh6+ If 26 ... gxh6 then 27. Qh7 mate
If 26 ... Kg8 then 27. Bd5 mate>
>

Unless I'm misunderstanding your comment, kasputine, White's King needs to move at move 26 because he's in check.

However, if 27. Rxh6+ QxR(h6) -- does White have a mating response?

Jul-01-12
Premium Chessgames Member
  scormus: This position is pregnant with attacking possibilities for W. B's weakness on e6 catchs the eye. It is certainly not the continuation but the line I love is

17 Ng5 Bxg2 18 Rxe6 fxe6 19 Qxe6+ Kh8 (19 ... dxe6 20 Rxd8#) 20 Nf7+ Kg8 21 Nh6+ Kh8 22 Qg8+ Exg8 23 Nf7#

Anything other than 17 ... Bxg2 seems hopless and B is lost after 19 Qxe6+. 18 ... fxd6 is clearly losing and W threatens Re8+ so I suppose B has to play 18 ... Nc6.

19 Re7 Nxe7 20 Qxe7 Re8 21 Rxd7 looks attractive but B can get out of danger with

21 ... Qb1+ 22 Kxg7 Qg6

I don't see any forced win. Seems I haven't go this one that looked so straightforward at first.

Let's look at how it went .... 17 Rxe6 immediately? Well, that's a surprise to me, I didn't think it looked as positive as 17 Ng5. Hmmm, game continuation is a bit unclear. I'll have to look at it more.

Jul-01-12  stoi4o2000: Blacks have nothing to worry about. The first moves are perfectly well played by both sides. Levitt could come to a draw by simply playing 20... Qb6 !!! Everything else leads to a dead end. 20...Qc7 is a mistake. Let's continue: 20... Qb6! 21.Nxd7 Qxe3 22.fxe3 Rc8 23.Bxc6 Rxc6 24.Nf6+ Kf7 25.Rxd8 Kxf6 and that's = .
Jul-01-12  stukkenjager: How does white win after 17.Rxe6 fxe6 18.Ng5 h6 19.Nxe4 Nc6 20.Nxc5 Qb6

17.Qc5: looks at least equaly good.

Jul-01-12  offramp: <scormus: This position is pregnant with attacking possibilities...>

Are we allowed to say pregnant?
Lucille Ball used to flame-troll here at <chessgames> but she was never allowed to mention her pregnancy. She used to refer to it as her "condition".

Jul-01-12
Premium Chessgames Member
  sevenseaman: Didn't get it today. Too abstract an idea for me.

I could see the import of a pinned d7 and a vulnerable R hiding behind it. But to pressurise it with the sac of a R (with 17...fxe6 available to Black) was beyond my compass.

Hats off to Helgi; the move is that of a genius. a confident one at that.

Jul-01-12
Premium Chessgames Member
  scormus: <offramp> live dangerously ;)

My, this is a tough one. <stoi4o2000> might have called it right, 20 ... Qb6 would "pin" the N and seem to get him out of trouble by the Q exchange. What I fing hard to accept is that the position looks so overwhelmig for W, yet appears to be defendable for B. Mind you, B's task would have been very difficult OTB.

The <crafty> line after 17 Ng5 Bxg2 is interesting, I didnt consider 18 Qd3. I'll run this on Rybka, it's too tough for me.

Jul-01-12  vinidivici: <vardeep> bravo...got now.
Jul-01-12
Premium Chessgames Member
  FSR: I had a vague sense of déjà vu seeing this position, and immediately started looking at sacrifices on e6. I tried 17.Ng5 Bxe2 18.Rxe6, but 18...Na6 seems like a sufficient response. After a few minutes of thought came up with 17.Rxe6!! fxe6 18.Ng5! Bxg2 19.Qxe6+!! and Black stands up. Now I see that I commented on the game last year, so I obviously <did> see it before. I would have thought that I would more vividly remember such a dramatic combination.
Jul-01-12
Premium Chessgames Member
  PhilFeeley: Rxe6 jumped out at me immediately, but white has so many threats, I wondered if there was a better one. I didn't play it all the way out, so no points for me..
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