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Larry Melvyn Evans vs Bent Larsen
Dallas (1957), Dallas, TX USA, rd 4, Dec-03
Tarrasch Defense: Symmetrical Variation (D32)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Given 28 times; par: 36 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Sep-16-10
Premium Chessgames Member
  CHESSTTCAMPS: <OBIT:> I wasn't advocating the viewpoint that fastest mate is best. The point is that 30... Nc3+ takes away the better continuation for white 30... Rd2+ 31.Ke1 which gives black a small chance to go wrong, e.g. 31...Qd5 32.Qc8+ Kh7 33.Qf5+ gets white to an endgame (which is lost, of course, but better than queen down), or even 33.Rf5?! could cause a brief moment of panic before black spots the mate-in-two.
Sep-16-10  VincentL: <Patriot>CG normally correct their errors, and in the absence of comment from their side, I am inclined to agree with <Once>, that the answer to this puzzle is "Resigns".
Sep-16-10  scormus: 0-1 then. No wonder I couldn't get it. Didnt I always say ... "You don't give up. If you give up in a streetfight, you don't live"
Sep-16-10
Premium Chessgames Member
  patzer2: Larsen's winning move was initially 24...d3! after 24. Re2? (instead of 24. Qd3! = or 24...Qb6! =).

In the followup, Larsen missed the winning 26...Ng4!, but Evans missed the reply 27. Rdxd3! with drawing chances.

Instead, 27. Rexd3?? allowed the brilliant winning decoy 27...Rf1+!

Sep-16-10  BOSTER: 25.Re3? It was necessary to play Ree2 to block the pawn d3. After this mistake black began his brilliant combo with move 25...Rxf2. I don't think that <CG> should give this position from 27 as black to play, because I'm not really sure that many could find move Rf1+! I don't think that this is <new type of chess puzzles>, <Once>, and I don't think that <CG> <just screwed up> how said <LIFE Master AJ>. What I think ,that we all like stereotypes..
My opinion that something new ,unexpected creates in our brain impenetrable barrier. I guess that "conflict" lies in the attitude to the problem of the <CG> and kibitzer. Our conclusions are based on a lack of the preceding events in the game.
Sep-16-10
Premium Chessgames Member
  patzer2: Would be nice if our host would give us an explanation of today's puzzle.
Sep-16-10
Premium Chessgames Member
  patzer2: <Boster> Fritz 10 indicates after 25. Red2, White is still lost after 25...Rxd2 26. Rxd2 h4 27. Nf1 Ne4 28. Ne3 Qd4 29. Qa5 Nxd2 30. Qxd2 Rb8 31. Nd1 (31. b3 Rc8 ) 31... h3 32. a4 Qe4 .
Sep-16-10  turbo231: I resign, well, well, well, we have to agree it's different. The first one I've seen. It's Larsen week, so you knew that black would win or at least draw because it's Bent's week.

Be on guard though the week's not over, they could go the other way. I like the way chessgames keeps us off balance, they force us to think. You never know.

I resign, I've said that far too many times. When it comes to resigning brother I wrote the book. My mind is at it's quickest when ever it's time for me to resign.

Sep-16-10  wals: With White trailing -4.16, Black chose one of the weakest moves,

(-0.94:26...Nxe4.
Better,

1. (-4.16): 26...Ng4 27.Qxd3 Nxe3 28.Qxe3 Rxg2+[] 29.Kxg2 Qxd1[] 30.h3 Qc2+ 31.Nf2[] Qxb2 32.Qf3 Qxa2 33.Qxh5+ Kg8 34.Kg3 Qb3+ 35.Kg2 Qd5+ 36.Qxd5 Rxd5 37.Kf3 Rf5+ 38.Ke3 Kf8 39.Nd3 Ke7 40.Nf4 Ra5 41.Kf3 Kf6

White failed to capitalise and played,

(-#12):27.Rexd3
Better,

Analysis by Rybka 4 x64: depth 19:

1. (-0.94): 27.Rdxd3 Qg5 28.Rxd8+[] Qxd8 29.Rxe4[] Rxb2[] 30.Rf4 Qd1+ 31.Qf1 Qd6 32.h4 Rxa2 33.Qc4 Ra1+ 34.Rf1

White resigned move 28, a wise choice
evidently as Black was a sure winner if any one of the following lines had been played.

Analysis by Rybka 4 x64: depth 16:

1. (-#7): 29.Rd4 Qxd4+[] 30.Kh1 Nf2+[] 31.Rxf2 Qxf2[] 32.h3 Rd1+ 33.Qf1 Rxf1+ 34.Kh2 Qf4+ 35.g3 Qf2#

2. (-#7): 29.Re3 Qxe3+[] 30.Kh1 Nf2+[] 31.Rxf2 Qxf2 32.h3 Rd1+ 33.Qf1 Rxf1+ 34.Kh2 Qf4+ 35.g3 Qf2#

3. (-#5): 29.Kh1 Nf2+ 30.Rxf2 Qc1+ 31.Rd1 Rxd1+[] 32.Rf1 Rxf1+[] 33.Qxf1 Qxf1#

4. (-#2): 29.Rf2 Qxf2+ 30.Kh1 Qf1#

Sep-16-10
Premium Chessgames Member
  gofer: I would say white's best option is to resign! He only has 2 legal moves.

28 Rxf1 Qc5+!
29 Kh1 Nf2+
30 Kg1 Nh3+ (30 Rxf2 Qc1+ mating)
31 Kh1 Qg1+
32 Rxg1 Nf2#

28 Kxf1 Qf5+
29 Kg1 Qc5+ (Rf3 30 Rxd1+ winning)
30 Kh1 Nf2+
30 Kg1 Nh3+
31 Kh1 Qg1+
32 Rxg1 Nf2#

Time to check!

Sep-16-10  Sularus: For this Puzzle of the Day, I just have to say...

I WAS HERE !!

hehe

Sep-16-10  ZUGZWANG67: White is about to be up the exchange + a pawn but must choose between getting his booty using the R or the K; not an easy choice.

As I see it 28.Rxf1 is wrong, as it directly leads directly to a position related to the famous "smothered mate": 28...Qc5+ 29.Kh1 (29.Rf2 Qxf2+ 30.Kh1 Qf1+ mate; 29.Rd4 Qxd4+ only delays) 29...Nf2+ 30.Kg1 (30.Rxf2 Qc1+ 31.Rd1 Rxd1+ 32.Rf1 Rxf1+ 33.Qxf1 Qxf1+ mate) 30...Nh3++ 31.Kh1 Qg1+ 32.Rxg1 Nf2+ is mate. By the way this is, in my opinion, one of the most beautiful combination in chess.

There remains 28.Kxf1 Qf5+ (28...Qc5?? 29.Rxd8+) and things are not simple yet. Thus, White has the choice between 4 continuations, uh... say only 2, in fact, as 29.Ke2?? and 29.Ke1?? is mate in one. There's also 29.Rf3, but after 29...Rxd1+ 30.Ke2 Qd5 (31...Qd2+) 31.Qc8+ (31.Ke3?? Qd4+ 32.Kf4 (32.Ke2?? Qd2+ mate) 32...Nc5+; 31.Rd3 Qxd3+ 32.Qxd3 Rxd3 33.Kxd3 N-safe) 31...Kh7 32.Qf5+ (32.Qc2?? Rd2+) 32...Qxf5 33.Rxf5 Rd2+!? (33...Rd7 34.Rxh5+ Kg6 and now you decide whether you want to be W or B; 33...Kg6?? 34.Re5) 34.Ke3 Kg6 35.Kxe4 Rxb2! (36...Rb4+ 37.Ke5 Rb5+) 36.a3 Rxg2 37.h4 (37.h3 Rg3) 37...Rh2 38.Rf4 Ra2. For those interested, I started moving the pieces on the board after 33.Rd2+ XD.

Finally, 29.Kg1(!?) is likely the best: 29...Qf2+ 30.Kh1 Rxd3 31.Qxd3! (of course), or 29...Nf2?? 30.Rxd8+.

Ok. It's time to check, now...

---------

He fell in it!

Sep-16-10  BOSTER: <patzer2> <Fritz10 indicates after 25.Red2, white is still lost> I guess, you and Fritz10 are right, but in your line no brilliant prize.
Sep-16-10  ZUGZWANG67: How bizarre! I saw Black's combo quickly after 28.Rxf1 but failed to consider it after 28.Kxf1! I ws under the impression that d4 was enough covered against a possible 28...Qf5+ 29.Kg1 Qc5+ (30.Rd4) (see my previuos post...).

I feel dirty. XD

Sep-16-10
Premium Chessgames Member
  chessgames.com: We are very sorry for the error on today's homepage. Of course the intended puzzle was 27...?


click for larger view

Sep-16-10  EXIDE: <chessgames.com> Thanks for the clarification. I was very confused until then.
Sep-16-10  tinchoracing: An error that created some interesting and fun kibitzing, though
Sep-16-10  Moonwalker: So <chessgames.com> confirmed it was a mistake... Pity, I thought in light of the quote of the day it's just too delicious a puzzle!

Maybe I'll just stubbornly stay in the conspiracy theory camp claiming it was intentional but didn't get the appreciation it deserves!

I noticed that black was Larsen but still chose Evansí <27. ♖exd3>... So not only am I no good at chess, but I am without grace, either! LOL Just following Silman's advice: "you can resign when you're a professional, until then, play to the bitter end" (paraphrased)

Good job <Chesschatology> for spotting the quote of the day and <Domdaniel>'s perler: "Knowing that this is Larsen Week we can consider the rules Bent." (!!)

Sep-16-10  SuperPatzer77: Let's see what Fritz says below:

27...Rf1+!!, 28. Kxf1 Qf5+, 29. Rf3 Rxd1+, 30. Ke2 Nc3+!! below:

a) 31. bxc3 Qc2+, 32. Ke3 Qd2+, 33. Ke4 Re1+!, 34. Kf5 Qd5+, 35. Kf4 Qe5#

b) 31. Rxc3 Qf1+, 32. Ke3 Qxa6 (winning the White Queen)

SuperPatzer77

Sep-17-10
Premium Chessgames Member
  Once: So the next conspiracy theory question is this: when did chessgames.com realise that they had made a mistake?

Theory #1 - the staff of CG.com are watching us constantly via a team of highly trained professionals wearing white lab coats with a collection of pens in their top pockets. Perhaps we can picture the headquarters of CG.com as something like NASA's mission control at Houston. Each of the main kibitzing pages is being monitored constantly. The conversation might go something like this:

POTD controller, staring at his screen: "Flight, we have a problem with the Game of the Day."

Flight: "What's the problem?"

POTD controller: "Looks like we blew a move on the puzzle position. I'm showing red lights all over the board. We're leaking puzzled kibitzers all over the place."

Flight: "C'mon people! Let's find a solution here! I've never lost a POTD on my watch and I'm not about to start today!"

POTD controller: "Should we tell the crew?"

Flight: "No, not just yet. No need to worry them. We'll let a day of kibitzing go by and then we'll tell them."

So that's scenario #1. An all-seeing, ever vigilant, CG.com knew about the problem early, but decided not to tell us.

And here's scenario #2. Chessgames.com isn't NASA - it's a couple of guys working secretly in the IT department of an insurance company. And most of the time, they don't need to do anything with the site. They just set up the POTDs and GOTDs days in advance, and the automated system does the rest.

Under this scenario, CG.com didn't spot that there was a problem until the day was nearly over.

Just kidding, guys!

Sep-17-10  Chesschatology: On 16 September 2010,the Resignation Puzzle was born; like life itself it was an accident.

Who was to guess that within 20 years it would become more popular than chess itself; within 30, than life itself? I was there. Like a prehistoric ape hurling a bone skywards in front of a black monolith, I was destiny's unknowing witness. The only hint was the loud classical music.

Sep-17-10
Premium Chessgames Member
  Domdaniel: So I was wrong. It happens. Part of my reasoning was that a mistake would have been corrected quickly (I thought) while a deliberate meta-spoiler would have been left in place to generate debate, at least until the day's end.

<Chesschatology> - <like life itself was an accident ...> I long ago came to the conclusion that life, art, and various other things are mostly accidents happening to carbon molecules.

Sep-17-10  SuperPatzer77: Addition to <Starkidaway>'s analysis,

27...Rf1+!!, 28. Kxf1 Qf5+, 29. Rf3 Rxd1+, 30. Ke2 Nc3+!! below:

a) 31. bxc3 Qc2+, 32. Ke3 Qd2+, 33. Ke4 Re1+!, 34. Kf5 Qd5+, 35. Kf4 Qe5#

b) 31. Rxc3 Qf1+, 32. Ke3 Qxa6 (winning the White Queen)

c) 31. Kf2 Qc5+!, 32. Kg3 Qg5+, 33. Kf2 Ne4+, 34. Ke2 Qd2#

d) 31. Kf2 Qc5+!, 32. Re3 Rd2+, 33. Kf1 Qf5+, 34. Rf3 Qb1#

Kudos to <Starkidaway>!!!

<Starkidaway> Your correct reply for Black's win is 30...Nc3+!! leads to winning the White Queen or inevitable mate.

SuperPatzer77

Sep-17-10  LIFE Master AJ: <<Sep-16-10 chessgames.com: We are very sorry for the error on today's homepage. Of course the intended puzzle was 27...?>>

I knew it. And "TOLD YA!!!!!!!"

:-p

Sep-17-10  wals: More proof that a "hive mind" does exist
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