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Emory Tate vs Sarunas Sulskis
Continental Open (2001), Las Vegas, NV USA, rd 6, Jul-29
Gunderam Defense: General (C40)  ·  0-1



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Kibitzer's Corner
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Jan-06-10  cyclon: <Eduardo Leon: 37.Re1 Bxe1 38.Qxe1 Nc5+ This is stronger than 38...Rh1 immediately.> White is IMMEDIATELY out of reasonable moves after 38. -RH1. For example, 39.Qd2 Rxd1 winning the Queen. Whites King, Rook and Night can`t move because Queen is threatened, neither pawns. White has NO serious threat move at his disposal. 39.Kd2 Rxe1 40.Kxe1 Qf1+ wins the Rook in b5. OTHER "plausible" Queen move; 39.Qc3 (b4-square is controlled by the Na6) -Rxd1+ (also -Qf1+) 40.Kc2 (Kc4 Qe2+ wins everything plus mates) 41.Bd2 Rxd2+ 42.Qxd2 Rc8+ over. Though 38. - Nc5+ is a plausible move, I`m most curious to know HOW it is `stronger`.
Premium Chessgames Member
  kevin86: I guess the key was to find a queen sac that leads to a skewer on the adverse queen. What a battering ram the rook was.
Jan-06-10  YouRang: Man it took me a long time to figure this out, and only partially at that. Tricky Tuesday...

First I spent a bunch of time looking at ...Nc6+. Finally I noticed the simple <36...Bxf2> and decided that it creates enough tactical problems for black that it's probably the start of the solution.

I've removed the best defender of the bishop, so it's guarded only by the K & N, and it is now thrice attacked. White's best move is to pin my bishop with <37.Rf1>, which means I can only take the bishop with my queen. But that may be okay since I can get the queen back with a skewer.

It leads to a series of exchanges, so I've got to keep track of the count, which starts with me up a pawn thanks to 37...Bxf2: [P / -]

<37...Qxe3+> [BP / -]

<38.Nxe3> [BP / Q]

<38...Rxe3+> [BNP / Q]

<39.Kd2 Rxc3> [QBNP / Q].

Here, I figured on <40.Kxc3> [QBNP / QR], which isn't bad (basically I have 2 pieces and a pawn for a rook).

Now, all I have to do is unpin my bishop and guard Pb7 and I'm better. So I came up with 40...Nc5 (to guard Pb7) and 41...Kg8 (unpinning the Bf2), which would solidify things nicely.

Only later (after looking at the game) did I realize that I could have won much easier with the discovered attack: 40...Bd4+, winning back the rook and being 2 full pieces ahead. I'm pretty sure I would have seen that somewhere before I played 40...Nc5, but it's more satisfying to spot such a tactic even before playing 36...Bxf2. My board vision wasn't quite up to that task. :-\

Premium Chessgames Member
  beenthere240: I don't think you need to consider a "defense" like 37. Re1, since it's basically conceding the game. (If you habitually work out all variations you'll probably lose more than a few of your games on time.) after 37. Re1, Black's won a pawn and will win the exchange to boot.

IMO what you need to establish is to make sure that the move doesn't either actually lose or throw away a win (by allowing a forcing draw sequence). However, the goal of these CG puzzles is usually to test for some kind of combination or maneuver that is difficult (to some degree) to spot. Some books of tactics include combinations that don't work -- just to keep solvers on their toes. Lev Alburt has two little books with some of those zingers. CG does include a few such spoilers as well.

Premium Chessgames Member
  chrisowen: Just mill around white thinks, Bf2 banks your deficit nevertheless Emory. Bored of the Lopez Sulkis exhibits what looks like a defence made from cob. Alters to a direct or scrambled Kings Indian/ Modern Defence however in time. Tate's set at the opening but amazing he can turn a prize opportunity like this away. Is Kd3 the rat? If it was'nt for that move you'd say it's worthy of a spot in a gallery would you not? Where did it go wrong, i do champ at the bit?
Premium Chessgames Member
  Kasputin: Material is even

Maybe I am missing something but pretty much right away I spotted 36...Bxf2

The white bishop is pinned and playing 37. Nxf2 leads to 37...Qxe3+ followed by winning the white queen.

That leaves 37. Rf1 pinning the bishop on f2

Black can then play:

38. Nxe3 Rxe3+
39. K-any Rxc3
40. Kxc3

But now with the white king on c3 black can break the pin (the f2 bishop is still pinned) by playing 40...Bd4+

This creates a discovered attack on white's f1 rook, which black can win next turn with 41...Rxf1.

So if this line is correct, then black emerges up a knight, bishop and a pawn.

It is true that white can then win the b7 pawn by taking it with the rook and also create a passed a-pawn in the process, but white (with the extra material) shouldn't have to worry too much.

Anyway, I think this is right.

Jan-06-10  goodevans: <johnlspouge: Thursday (Medium ...>

<patzer2: For today's Wednesday puzzle solution ...>

<YouRang: Man it took me a long time to figure this out, and only partially at that. Tricky Tuesday...>

I'm with <patzer2>, at least with what day of the week this is! ;)

Jan-06-10  zanshin: Well, I saw that White's position collapses after <36...Bxf2>, but was wondering why White did not play <40.Kxc3> (which loses to <40...Bd4+). Here's a comparison of Kxc3 with Rybka's top choice <40.Rxf2> and the move played <40...Rxb7> (which evaluates as worst):

click for larger view

[-6.92] d=17 40.Rxf2 Rxf2 (0:18.43) 199176kN
[-9.72] d=17 40.Kxc3 Bd4 (0:22.21) 237639kN
[-11.26] d=16 40.Rxb7 Ra3 (0:17.08) 181978kN

Jan-06-10  euripides: Tate laid a nice trap here. 36...Nc5+ looks absolutely crushing, but I think White draws with 37.Rxc5 dxc5 38.Qxe5+ Kg8 39.Qe6+ Rf7 (Qf7? drops the h3 rook) 40.Qe8+ Kg7 41.Qe5+ Kf8 42.Qb8+ etc.
Jan-06-10  Smothered Mate: <David2009> Yes, I think the latter.
Premium Chessgames Member
  Jimfromprovidence: One thing I think white could have done tactically different was instead of 31 Ke2, be more aggressive and play 31 b6 instead.

click for larger view

Now, he has counterattacking chances after 31...axb6 32 Rxb6.

click for larger view

Jan-06-10  YouRang: <goodevans: <johnlspouge: Thursday (Medium ...> <patzer2: For today's Wednesday puzzle solution ...>

<YouRang: Man it took me a long time to figure this out, and only partially at that. Tricky Tuesday...> >

LOL - Yikes. I took the day off from work on Monday, so my days are mentally shifted. It will take all of my concentration to avoid coming into work on Saturday...

BTW, I agree that the puzzle was well suited for a Wednesday. :-)

Jan-06-10  Quentinc: It's always interesting how some people find certain puzzles easy when others (who are equally good solvers) don't. (It's also amusing how some people are insisting that if you found this puzzle easy, then you didn't see 37 Rf1 -- honest, I'll take a lie detector test!). At the same time, there are plenty of puzzles that most people find "too easy" that I am embarrassed to admit I had to stare at for 5+ minutes. To me, this one was easy because all the action is focused on f2 and the 3rd rank, which greatly narrowed down the plausible choices.
Jan-06-10  johnlspouge: < <goodevans> wrote: <johnlspouge: Thursday (Medium ...> <patzer2: For today's Wednesday puzzle solution ...> <YouRang: Man it took me a long time to figure this out, and only partially at that. Tricky Tuesday...> >

Why don't we do this democratically, and just take a vote?


Jan-06-10  Eduardo Leon: <cyclon>, you are right. I didn't see that.
Jan-06-10  FlashinthePan: <Smothered Mate: Black gets that with 37... Qxd1+, black wants better.> You're right, but paradoxically, 37... Qxe3, which ends up winning much more material, is easier to find than 37... Qxd1+ (which involves suppressing the defender of Be3 before being able to recapture the white queen), and can therefore be regarded as an "almost unmissable" move in that position.
Jan-06-10  timhortons: as they say at icc, tate sleep with eyes open.
Jan-06-10  Utopian2020: I solved this puzzle in a few seconds as the moves 36... Bxf2 thru 39 Rxc3 were, for me, intuitively obvious. I'm thinking white would have been better off playing 36. Kd2.
Jan-06-10  WhiteRook48: 36...Bxf2 who didn't get that?
Premium Chessgames Member
  patzer2: I was torn between 36...Bxf2! and 36...Bxg5! on my initial attempt at solving the puzzle.

Both moves win, but the game continuation is slightly stronger. For what it's worth, a simple winning line after 36...Bxg5! is 37. Rxg5 Qxd1+ 38. Qd2 Qf1+ 39. Qe2 Rxf2 .

Jan-06-10  turbo231: Very good puzzle.
Jan-07-10  Smothered Mate: <FlashinthePan> I nonetheless missed it.
Premium Chessgames Member
  OhioChessFan: I'm a little surprised <patzer> is the only other person besides me to have a go at Bxg5. I forgot to post about it yesterday, but I did feed it into Fritz today and he comes up with:

36...Bxg5 37. Qc2 (37. Rxg5 Qxd1+ 38. Qd2 <Qa4> <threatens Nc5+ after the Rook moves is far stronger than 38...Qf1+> 39. Qb2 Rxf2 40. Qxf2 Qxb5+ )

click for larger view

37...Bxe3 (Maybe 37...Qf6 at higher plies) 38. fxe3 Qf7 39. Qg2 Qd7 40. Rb2 Nc5+ and finally got the move in, with evals quickly heading upward:

click for larger view

Premium Chessgames Member
  Check It Out: E. Tate goes down to the opening of the day, The Brazilian Defense.
Premium Chessgames Member
  FSR: 3.c4 is a very weird response to the Brazilian, and doubly so coming from Tate. Watch the late, great Evgeny Sveshnikov performing a masterful Brazilian Wax: Sveshnikov vs M Poulsen, 2006.
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