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Janos Tompa vs Jan Plachetka
Decin (1974)
Modern Defense: Two Knights Variation (B06)  ·  1-0



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-25-06  LIFE Master AJ: This is a relatively simple puzzle ... for a Sunday. (Yes, I got it.) I was hoping for fireworks and the rocket's red glare, but you need to be anle to do the "a-b-c" type of problem (linear calculation) as well.
Jun-25-06  patzer2: <LIFE Master AJ> Congratulations on solving this "relatively simple" puzzle which I missed.

Just curious if you are able to play blindfold Chess. I'll admit I can't do it very well, and that in trying to visualize 7 to 10 moves ahead in this "linear" calculation all I could see was the double attack possibility 28. Rxe7 Qxe7 30. Qh6+ =.

My obvious premise is that one important facet that separates Masters from amateurs is the ability to visualize more clearly ahead in long linear calculations. Of couse now that I'm familiar with the pattern 28. Qf6! Rxe1 29. Rxe1 Kg8 30. Rd7! =, it seems not quite so hard now.

Premium Chessgames Member
  thegoodanarchist: I've never tried a Sunday puzzle before (I don't usually get online on weekends), so I was surprised it only took me about 30 seconds to find the solution.

It wasn't as difficult as I expected - some of the CT-Art puzzles are much harder. I suppose is trying not to discourage the regulars....

Jun-25-06  Fezzik: Well, I scored 6/7 for the week. Patzer asked if LifeMaster AJ could play blindfold chess. I imagine that most people here could if they got past the mental obstacle that it's supposed to be hard. I've even been able to play a two-board simul in blindfold.

It was interesting to watch GMs play blindfold chess for money in the Melody Amber tournaments.

Korchnoi was notorious for making false moves (they were allowed to see the board without the pieces and the sensor would light up when they took a piece). Korchnoi would make moves that he knew were illegal just to see exactly where an opponent's piece was.

This younger generation of players do occasionally blunder in blindfold tournaments, but they also play some magnificent, imaginative chess!

If you can visualize a few moves ahead in chess, you can probably play blindfold chess too. You will just need some absolute quiet to do so. That, and an opponent who makes no mistakes in telling you the moves!

Jun-25-06  dakgootje: can play blindfolded relatively well but ONLY under the conditions i am allowed to notate. Dont have a board, so that makes it slightly harder again, but notating allowed me, well not to play good, but enough that i dont blunder pieces too often away ;-)

Think its best to begin with notating and board, then only notating, then only board then without both

ps: i wasnt in a quiet room, was during biology and 2 hours physics

Jun-25-06  The17thPawn: <makaveli52> - Yes you're move is probably better still but the real point is that Rd-e1 was necessary before the knight move and I blew it.
Jun-25-06  Tariqov: I did the same thing as <patzer2> did,i forgot he could play kf8,after which you must find Qf6! winning.

<euripides>No it doesn't,because then comes Qf6 after which there is no Bxb7 with a discovered attack on the Queen.

<thegoodanarchist>Agree,i think the ct-art(some of them) puzzles are much harder then this.

Premium Chessgames Member
  kevin86: Nice series of moves by white! The focus is on he rook at e7
Premium Chessgames Member
  Richard Taylor: I had 23 e5 de5 24 fxe5 Qxe5 25 Rde1 Qc7

I then considered both Bxb7 and Nf5+

But my move was 26 Qg5 and if Rxe1 27 Nh5+ Kg8 28 Rxe1 threatening 28 Re7 I thnk that line also wins if

26. ... cxd4 27 Rxe7 Qd6 28 Bd5 (I dont think 28 Rxf7+ !!? Kxf7 29 Bxd5 ++ wins -it may) seemed to win.

Of course Tomas Nf5+ and finally Qf6 was beautiful..missed that Qf6 move.

Premium Chessgames Member
  Richard Taylor: I had analysed this and then after 28 Bd5 Nxd5 29 Rfxf7+ Kg8 30 Qh6 and I also saw that if 28 ... Qxd5 29 Qf6+ Kg8 30 Ref7 and I assumed that was a win.

<That should be 27 Nf5+ above there lol >

Jun-29-06  LIFE Master AJ: < <patzer2> "Just curious if you are able to play blindfold Chess." >

Yes. My web page is full of references to this, I also recommend that people try to learn how to play blindfold ... believe it or not, I have taught quite a few people how, and I think it improves your regular game. (Just an opinion, I have no real, hard-core proof of this.)

If you are really curious send me an e-mail ... there is a page on my website I did in the last few months ... that features a blindfold game played at the club (with many witnesses).

Jun-29-06  LIFE Master AJ: < <patzer2> "Congratulations on solving this 'relatively simple' puzzle which I missed." >


# 1.) There are many points to this puzzle, like e5 is a VERY common idea ... and also very forcing. (Kotov said all such forcing ideas must be thoroughly examined.)

# 2.) The correct Rook MUST be used ... using the other rook allows Black to get away with check in some lines.

# 3.) The Nd4-f5 (with or without check) is an idea that I probably learned from Tal's games ... and have always tried to use in my own. (My "Brilliancy Prize game" from Huntsville one year featured this same idea.)

# 4.) Another slightly difficult idea to see in advance is that ...Kf8 is forced, otherwise Black will lose his Rook on e7.

# 5.) Probably the most difficult part of this puzzle is the idea of Qf6, threatening mate. (There are several facets to this move as well.)

I ALSO did not reveal that I may have taken a lot of time on this one, 15-30 minutes. (Usually I note the time, and limit myself to five minutes, but forgot to do so on this particular problem.) I doubt you used near as much time as I did.

And - this had to be one of the easier puzzles in recent memory (for a weekend). And there have been quite a few of these lately, theat I have stared at for at least a minute ... and had not a clue as to what the correct move was. (So don't feel too bad.)

Jun-30-06  LIFE Master AJ: Usually - I set myself a time limit ... (3-5 minutes). Here I started working, and later realized that I had not marked the time. (So I did not worry about whether or not I solved it ... with a time limit, that is.)
Sep-08-19  GoldenKnight: On the subject of blindfold chess, back around 1994, I had lunch with George Koltanowski, Julio Kaplan, Marc Leski and Craig Barnes (national master), and I reminded Mr. Koltanowski of what he said on the chess program he had on KQED (channel 9 in the Bay Area) back in the 1960s, that one should learn to play blindfold chess. He, in turn, reminded me of what he really said: that you should only play ONE game of blindfold chess! That would be enough to improve your game (50% to 100%, according to him).

As an aside, he once published his annotations to a game he drew against Alekhine, and therein he talked about Alekhine's desperate efforts to bamboozle him, which partially succeeded (since he didn't win). Further, he wondered (in his notes) if the final position could be won with best play. In the notes, he said he doubted it, and gave reasons why.

Decades later at that lunch, he firmly declared that it could, and vehemently declared, "I should have beaten Alekhine!"

Two legends at lunch, and personal reminiscences of a third. An indelible memory for me. (Read my bio for more on Koltanowski.)

Premium Chessgames Member
  al wazir: The first two moves were obvious, and after 24...Qxe5 (forced), 25. Rde1 is natural. I probably would have played those moves OTB, because they don't cost anything. (No sacrifices are involved.)

That's as far as I got.

If I had reached that position, would I have then gone for the ♘ sac 26. Nf5 and the ensuing combination? Maybe. I'd like to think so.

Premium Chessgames Member
  An Englishman: Good Evening: In my playing days, would have played White’s 23rd move first and analyzed it later. Not sure if I can claim full credit.
Premium Chessgames Member
  agb2002: White has a bishop for a knight.

Black threatens cxd4.

The lack of mobility of the black queen suggests 23.e5 dxe5 24.fxe5, opening lines advantageously:

A) 24... Rxe5 25.Bxb7

A.1) 25... Qxf1+ 26.Rxf1 Rb8 27.Nc6 Nxc6 28.Nxc6 + - [Q vs r+n].

A.2) 25... Qd8 26.Nf5+ gxf5 27.Qxd8 Rxd8 28.Rxd8 + - [R vs n].

A.3) 25... Qe7 26.Bxa8 + - [R vs n].

B) 24... Qxe5 25.Rde1

B.1) 25... Qd6 26.Nf5+ wins.

B.2) 25... Qf6 26.Bxb7 looks similar to A.

B.3) 25... Qxe1 26.Rxe1 Rxe1+ 27.Qxe1 cxd4 28.Qe5+ Kg8 29.Qxd4 Nac8 30.Bxb7 wins decisive material.

Sep-08-19  mel gibson: I got the first move right in under 30 seconds!

Stockfish 10 agrees with the first few moves & says:

23. e5

(23. e5 (e4-e5 d6xe5 f4xe5 ♖e7xe5
♗f3xb7 ♕f6-g5 ♕d2xg5 ♖e5xg5 ♘d4-e6+ f7xe6 ♗b7xa8 c5-c4 b3-b4 ♖g5-e5 ♖d1-d8 a5xb4 c3xb4 ♔g7-h6 ♗a8-g2 c4-c3 ♖f1-c1 ♘b6xa4 ♖d8-a8 ♘a7-b5 ♖a8xa4 ♘b5-d4 ♗g2-f1 c3-c2 b4-b5 ♘d4xb5 ♖c1xc2 ♘b5-d6 ♖c2-c7 ♖e5-d5 ♖a4-h4+ ♔h6-g5 ♖h4xh7 ♔g5-f6 ♖h7-d7 ♔f6-e5 ♗f1-e2 ♖d5-d2 ♗e2-f3 ♖d2-d4 ♖c7-c6 ♖d4-d2 ♖d7-d8 ♖d2-d3 ♗f3-e2 ♖d3-d2 ♔g1-f1 ♖d2-d4 ♖d8-d7) +7.27/43 507)

score for White +7.27 depth 43.

Premium Chessgames Member
  malt: Drat, looked at 23.e5, but opted for

23.g4 cd4 24.g5 Qe6 25.Q:d4+ f6 26.Q:b6 Nc6 27.Rd5

Sep-08-19  areknames: 23.e5 just screams out to be played. Hardly insane, or am I missing something?
Sep-08-19  patzer2: My failed attempt at today's Sunday puzzle (23. ?), which is a rerun from 13 years ago, reminds of the famous Yogi Berra quote "it's like deja vu all over again."

Just like before (June 25, 2006), I correctly calculated the first five moves of the combination (i.e. 23. e5! dxe5 24. fxe5 Qxe5 25. Rde1 Qe7 26. Nf5+ gxf5 27. Qg5+ Kf8).

However, instead of going for 28. Qf6! +- (+ 9.91 @ 42 ply, Stckfish 10) which forces the win of the Black Queen to avoid mate, I repeated my original mistake and went for the double attack 28. Rxe8 Qxe8 29. Qh6+ Kg8 30. Qxb6 ± (+1.09 @ 42 ply, Stockfish 10).

Obviously, 28. Rxe8 ± with advantage, but no clear win, is not nearly as strong as 28. Qf6! +- with a clear win.

Perhaps I need to change how I go about calculating chess combinations. As Einstein reportedly said, "insanity is doing the same thing over and over again and expecting different results."

P.S.: So where did Black go wrong? According to the computer, Black's clearly, decisive mistake was 22...c5? allowing today's Sunday puzzle solution 23. e5! +- (+5.61 @ 30 ply, Stockfish 10).

Instead of 22...c5?, Black can put up more resistance with 22...h6 23. Nc2 ± (+1.40 @ 30 ply, Stockfish 10). White might still win after 22...h6 23. Nc2 ±, but the difficulties give Black practical drawing chances.

For an earlier improvement, I'd start with the opening and replace the rarely played 4...Bg4 ⩲ to ± with the popular 4...Nf6 ⩲ to = (knights before bishops) as in the draw in R Ruck vs V Onischuk, 2019 .

Premium Chessgames Member
  thegoodanarchist: In 2006 I was a better chess player than I am now:

J Tompa vs Plachetka, 1974 (kibitz #19)

Sep-08-19  RadioBoy: Played a blindfold chess game my freshman year in college with about 20 people watching. Won in about 20 moves and for a couple weeks afterward people were still giving me funny looks just short of checking me for cloven hooves and a tail.
Sep-08-19  RandomVisitor: It seems that white can improve by playing 23.e5 one move earlier. Checking previous posts to see if anyone had come up with this idea before me, it seems that an annoying <randomvisitor> had this idea 13 years ago.

click for larger view


<40/80 10:15 +3.22 22.e5 dxe5 23.Bxb7 Rb8 24.fxe5> Qxe5 25.Nxa7 Rxb7 26.Nc6 Qc5+ 27.Qd4+ Qxd4+ 28.Rxd4 Re2 29.Rf2 Rxf2 30.Kxf2 Nc8 31.Nxa5 Ra7 32.Nc6 Ra6 33.Nb4 Ra7 34.Nd3 Nd6 35.Nc5 f5 36.b4 Kf6 37.Ke2 g5 38.a5 Nb5 39.Rd3 h6 40.Re3 Ra8 41.Re6+ Kg7 42.Kd3 Rd8+ 43.Kc2 f4 44.Re1 Rd6 45.gxf4 gxf4 46.Ne6+ Kf7 47.Nxf4

40/65 10:15 +1.77 22.Nd4 Kg8 23.Rf2 Ree8 24.Rdf1 Re7 25.f5 g5 26.h4 g4 27.Bxg4 Nc6 28.Bf3 Ne5 29.Bh5 Ned7 30.Rg2 Rf8 31.g4 Rxe4 32.g5 Qe5 33.f6 Kh8 34.Bg4 Rg8 35.Nf5 Qc5+ 36.Kh1 Qd5 37.Nh6 Ne5 38.Nxg8 Kxg8 39.Qxd5 Nxd5 40.Bf5 Re3 41.Rh2 Nxc3 42.Rh3 Rxh3+ 43.Bxh3 Ne2 44.Re1 Nd4 45.Re3 Ndf3 46.Bg2 Nxh4 47.Bxb7 c5 48.Rc3 Nf5 49.Kg2

Premium Chessgames Member
  FSR: <RandomVisitor> That guy is a real pain in the ass, isn't he?
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