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Moritz Lewitt vs Horatio Caro
"Caro Can" (game of the day Jul-06-2018)
Berlin Championship Match (1905), Berlin GER, rd 8, Jun-06
Caro-Kann Defense: Main Line (B15)  ·  0-1



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Sep-03-14  Karpova: This game was annotated by Tarrasch in the 'Berliner Localanzeiger'. I won't reproduce all of his comments.


16.Qd3<?> Tarrasch suggests <16.b3> to prevent the ♘ invasion. Not mentioned was, that Black could snap a ♙ after the game continuation: 16...Qxd3 17.Rxd3 Nxe3 18.Rxe3 gxf4 19.Nxf4 Rxd4.

19...Nc4 looks fine, but Tarrasch criticizes the move as leading to nothing and suggests the following sacrifice: <19...Nxa2 20.Kxa2 Nb3+ 21.Kxb3 Rd5> followed by <...Rb5+>, but how does the attack proceed after 22.Qc4 (22...Rb5+ 23.Kc3)?

Blac finishes the game in nice style. Tarrasch emphasizes the role of the ♗f8, who didn't move once but was steadily in action. Yet, Black could have played ...Bd6 at some time.

Source: 'Wiener Schachzeitung', January-February 1906, p. 22

Sep-03-14  john barleycorn: <Karpova> this game is #221 in Tarrasch, Die moderne Schachpartie.
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  FSR: I tried submitting <Caro Can> as a pun for this game, but someone beat me to it.
Jul-30-16  sudoplatov: Perhaps: "Lewitt can't but Caro can"?
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  FSR: There's no question that Caro can: H Caro vs Lasker, 1890
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  An Englishman: Good Evening: Given that the Bc8 causes so much grief for Black in so many openings, no surprise that Caro gets rid of it at his earliest opportunity--a major theme of the CK consists of making this piece either useful or exchanged. However, a concrete analysis of the position leads one to play 5...h5 first. Still, can't get too harsh with Black, seeing as the opening he and Mr. Kann studied did help me become a master in the far off distant past.
Jul-06-18  sfm: Resigning again??

It is the easiest move. No need to speculate, try to get ideas, being creative, tricky, inventing traps etc. in your bad position. No, the board is tilted, let's throw it all away.

Why not try 25.bxN,Rb5 26.Ka3,RxQ 27.pxR ?
Sure, 27.-,Rg8 is a bit nasty, as, to cover g2, both 28.Rd2,Bb4 and 28.Re2,RxN are unplayable. So instead we try 28.Rf1 first.

White's pieces are all healthy, and there is certainly no immediate win for Black. And if there was, let him demonstrate it. Maybe we could learn something.

The following excercise would be possible:
Evaluate the position in a strong silicon monster. Find all positions that Fischer, Tal, Aljechine (not to mention Marshall!) had over time which an equally bad evaluation. Now see how many points they got by not resigning.

Less than 10%, even on that level, would surprise me. Well, 10% difference in score is the difference betwen "on the top" or "near the top".

Or put the position in the computer, and check out your score with Black. 80%? 50%? Thanks to David here, who often did just that, which was a great demonstration of the difficulties of winning a won position. I wonder if I managed to win 50% of those position at first try.

I bother to sing this song again, as this "correct to resign"-thing should defitely not be taught as a "fine, noble, decent and correct behavior" to any player, said this old owl & ex chess-teacher.

We _will_ make head-shaking moves, but this does not prevent us from having world-class fighting spirit.

As I believe I have written earlier, the above does not include playing on without really trying, with the primary intention being to waste the opponents time.

And of course people may have better things to do than to fight bad and lost chess positions. Resign, and socialize with your good friends, read a good book, go play football. That makes a lot of sense, just not from a from a pure "I am a chess-player" perspective.

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  offramp: Lewitt blew it. And he knew it.
Jul-06-18  dumbgai: The final game of the Kramnik-Leko match was given the title <The Caro Can’t>.
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  Richard Taylor: Good game. The Caro is a good opening. I tried it twice in tournaments and I won one and lost the other. In the one I lost my opponent played an unusual variation (to me) and tried to attack when it was silly to do so.

It is difficult to play against and some lines are similar to the Centre-Counter.

Caro was a good player also.

Jul-06-18  sfm: So, you are playing Black is the position where White resigned.

If you "click for larger view" below you can copy the FEN string.

click for larger view

Then visit

and past it in to the FEN field and hit [Enter]. You should now see the final position.

Click "Flip Board" if you need, and "Continue from here". Select "Play with the machine", and select the Stockfish strenght you want. In this for White resignable position level "8" should be fine, right? :-) Now click on the Black king.

The computer will play 1.bxa3. Now, see if you can demonstrate that even a very good White player definitely would not save half a point against you by playing on.

Best wishes!

Jul-06-18  Caissa04: Is this the Caro of the Caro-Kann?
Jul-06-18  Sonia lamba: Caro made right development and super Knight maneouver ..Well Qb6 is a looking move after quite variant change just after Nf6 .. Boomerang
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  whiteshark: <Caissa04: Is this the Caro of the Caro-Kann?> Sometimes reading helps: Horatio Caro
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  Honza Cervenka: 24.Re5! Nxe5 25.Bxe5 Rb5 26.Qf3 Bxa3 27.d5 Rf8 28.c4 Ra5 29.bxa3 Rxa3 29.Qg4 could have prolonged the fight.
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  thegoodanarchist: <FSR: I tried submitting <Caro Can> as a pun for this game, but someone beat me to it.>

And 2 short years later, it is done!

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  offramp: <sfm: So, you are playing Black is the position where White resigned. If you "click for larger view" below you can copy the FEN string.>

Okay, Done that.

<Then visit >

Right, I'm there.

<...and paste it in to the FEN field and hit [Enter]. You should now see the final position.>

That's right! That has worked.

<Click "Flip Board" if you need, and "Continue from here".>

What I get is a warning message about files on my computer.

<Select "Play with the machine", and select the Stockfish strength you want.>

There is a message asking me for a bitcoin, and a picture of a man saying "G0nna needa new p00000ter, d0000d!!"

<In this for White resignable position level "8" should be fine, right? :-) Now click on the Black king.>

None of that works. The animated head says "Your pooter is garbage DOOOOOOD!!" Smoke billows from the USB ports.

What have you done, <sfm>??

Jul-06-18  zanzibar: Me, I like to avoid smoke, and use SCID with maybe minty flavored SF8.
Jul-07-18  sfm: <offramp: sfm:

[Click "Flip Board" if you need, and "Continue from here".] ...
None of that works. The animated head says "Your pooter is garbage DOOOOOOD!!" Smoke billows from the USB ports.

What have you done, sfm??>

This is off-topic, but an answer is clearly needed.

Hello, Offramp.

Can't quite detect if you are kitting - is so, funny. "Smoke billows from the USB ports." :-)

However, if you should really have trouble with your PC... I have checked out if gives reason for concern. Doing such checks is a part of my profession.

The jury is out on an answer.
Virustotal - a Google projct - gives the site a clean status, here:

but that does not prove anything conclusively.

I have googled further. There are reports about people experiencing trouble - like the below, but this also does not prove anything. A double-digit percentage of the computers in the world are infected (Sweden ranking lowest with only 20%, China tops with 47%)

The _time_ where people experience trouble rarely has no relation to the _source_ of the problem. If you kiss a girl and get a fever one minut later, the girl is not the source of the infection.

My strong impression is that is fully safe.

Most likely you run a Windows PC as a user with administrator rights. More than 90% of such PCs I encounter in my work are infected.

AntiVirus is worthless, and is in my opinion (and many other professional) simply snake oil. I manage hundreds of computers, and run antivirus on none of them. See e.g. with the statement:
"In a recent survey we conducted with 60 companies who suffered successful ransomware attacks during the last 12 months, 100% reported they were running antivirus at the time of the attack. " It even makes your PC _less_ secure. The comments are interesting too.

To protect yourself better:
When you get your new PC, immediately made a standard (non-admin) user, and run as that user.

Be extremely careful before typing in the admin password.

It helps a lot. These statements are facts:

If you run as administrator:
cracks will infect your PC on OS-level. One wrong mouse-click is enough. When this happens, total reinstallation of Windows is the only cure, something which is almost impossible to do for most people. People think they can google for something, install it - and something will protect them. Or they fall for the cheap tricks "Your Flashplayer needs updating, click here".

If you run as standard user (without using the admin password): your PC can not be infected on OS-level.
If the user is infected, creating a new user will give you a clean PC to work on.

A huge difference. Unfortunately this is unknown for most normal PC users. They buy their PC, run as admin and most private users devaluate it within a few months, by getting pwned (cracker slang).

This will be latin to some people. But we chessplayers are smarter, right? :-) Good luck.

Premium Chessgames Member
  offramp: <User: Chessical> Superb.
Jul-07-18  hdcc: <sfm: To protect yourself better: When you get your new PC, immediately made a standard (non-admin) user, and run as that user.

Be extremely careful before typing in the admin password.>

Better yet, when you get your new PC, immediately install Linux. I run SCID and Stockfish on CentOS, along with other Open Source software including word processor, spreadsheet, project management, database, content management and more, and I can browse and conduct business on the web in perfect safety.

Jul-07-18  zanzibar: <<hdcc> I can browse and conduct business on the web in perfect safety.>

Or so you think.

Wisdom from the ancients...

< Actually, FORTRAN was the language of choice for the same reason that three-legged races are popular.>

Jul-08-18  hdcc: <zanzibar: Or so you think.>

Thanks Zanzibar; that's a good article. Perhaps I should say that I conduct my work in "comparative" safety; certainly AFAIK I haven't, as yet, been hacked (no bank accounts emptied or suchlike).

My first programming was in FORTRAN back in 1979, using an IBM 1130 and coding on punch cards. Those were the days...

Premium Chessgames Member
  offramp: <sfm:> thank you for that walkthru. The laptop is still playing up, though.

There is a picture of the little guy from Game of Thrones on the monitor, with a speech bubble saying "Send us a bitcoin you horrible old skinflint!!" and a pop up that says "Y000R G0NNA NEED A NEW P000000TER, DOOD!!!!"

My old files are dripping away down the screen like in the Matrix. The whole laptop is hotter than George Michael's underpants and even when I unplug it the laptop stays on.

How is that possible?? <Sfm> HELP!

Jul-08-18  ChessHigherCat: <sfm>: Tell him he'd better pay up and follow the instructions, that will sober him up.
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