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Alejandro Nogues Acuna vs Roberto Grau
Buenos Aires (1926), rd 6
Queen's Gambit Accepted: Classical Defense. Steinitz Development Variation (D26)  ·  0-1



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Sep-21-10  karnak64: The solution wasn't very difficult to come upon, but still, it is one of those pleasant surprises that chess yields up.
Sep-21-10  Patriot: 41...Bg3

I won't even put an exclam on this because it is such an easy, standard tactic.

42.Bg1 is forced since the obvious 42.hxg3 h2 is an instant loss.

42...Bxf4 wins material.

I suppose 42.Bg1 isn't really forced since white is still able to choose his manner of execution.

I didn't go as far as looking at pawn weaknesses only because it's not necessary in terms of practical chess. And apparently white didn't have to know what happens after 41...Bg3, since white resigned immediately.

But I think the commentary about white's pawns being placed on the same color squares as black's bishop leads to good practical advice on what to do in such endgames--move your own pawns on the opposite color of your opponent's bishop. In this case, black has targets while white does not.

Premium Chessgames Member
  paulalbert: To <Eduardo Leon>. I taught my son starting at 4 years old, but made sure it was fun: Couple suggestions:
Teach some basics and then play to let child accomplish success. For example, teach K and Q vs. K mate and then play against the child so he can get the satisfaction of playing to mate. Keep score and then go back over the game to show where the mate might have been accomplishment more efficiently as a gentle teaching exercise. At Chess in Schools one thing they do is called Pawn Game. Two players start out with only pawns. Only object of game is to be the first one to get pawn to 8th rank. Great for teaching strategic thinking, understanding en passant, and strategic sacrifices. I played it versus young kid once who was very experienced. I realized it wasn't easy. Another technique I used with my son. I taught him for example putting R on open file. Then I played through a game of World Champion, Fischer for example, where moving R to open file was obvious possibility and played. At that point I asked my son, what do you think best move is here. When he played the R to open file, I then said. "Wow, you played the same move as the World Champion! Why did you make that move?" This kind of praise and use of psychology makes learning fun, without being too heavy and serious. Kids need to be encouraged not forced.
Hope some of this is helpful.
Paul Albert
Sep-21-10  Eduardo Leon: <Breunor>, you are right, and that also means 11.♗f4 was inaccurate as well. Actually, I think the whole of white's development was awkward. For example, I cannot understand why white delayed the development of his queenside.

In the position after 12...♘d5, I would say black is slightly better, because of his better development, and the fact an eventual ♘c3 and be replied with ...♘xc3, leaving white with a backward weak pawn at c3.

Sep-21-10  Patriot: <paulalbert> Wow, that is great advice!
Sep-21-10  desiobu: 41...Bg3!

42. hxg h2 and queens
42. Bg1 Bxf4

Always good to look out for sacs that free a pawn's path to promotion in sparse endgames.

Sep-21-10  EXIDE: got this one. Good start this week. If 42. Ke2;bxh2 43. Kf2;ke4 and white is in zugzwang ( I think ).
Sep-21-10  LIFE Master AJ: 41...Bg3! (White loses a button, if he takes, Blacl slips a Pawn in.)
Sep-21-10  scormus: <Once> again, KOTD!

Anything I might try to add would be redundant.

Premium Chessgames Member
  kevin86: 41...♗g3!! remind me of a move in checkers-where a king forks two pieces by moving between them..

White cannot take and must lose a pawn by result.

Sep-21-10  YouRang: Quite easy - 41...Bg3 and white must drop a pawn (or allow promotion on h1). It could proceed any number of ways after that, but they all lead to pleasant wins for black.
Sep-21-10  turbo231: turbo231: my, my, my, I've been looking at this puzzle all day, I thought it was white's move, and I've been thinking it's a Monday's puzzle so there should be something simple.

And there is, if you know that black moves first! I've been doing these puzzles for over 2 years and this is the first time I got the side to move wrong. No wonder I couldn't find a winner for white.

This is a new low for me.

<unferth: well, if it's white to move, I'd say Rxc7 should do the job ...>

That would most certainly help. I saw the possible mate by black, and I saw Rxc7.... You're right, Rxc7 would be the winning move, you've exchanged a rook for a Queen! Any time you can do that it has to be good.

So I messed up twice in one puzzle, first failing to see the proper side to move. Then failing to recognize the importance of exchanging a rook for a Queen!

Thanks <unferth> for pointing that out to me, my ineptitude is boundless.

Now I have newer new low.


I saw the bishop move rather quickly which is highly unusual for me. I finally solved a puzzle, after about 2 weeks. I've been in a slump or a coma lately.

Sep-21-10  MaczynskiPratten: Today's position reminds me of a quote by Michael Stean; "Beginners often think, If I put my pawns on the same colour as my bishop, I can defend them. If you commit hara-kiri, you won't have to defend them at all. The solutions are roughly equivalent, give or take the work of cleaning the blood off the board. The problem is that all the squares of the other colour are defenceless against invasion." This is also true here, as White's King is stuck on d3 unable to move because he is trying to guard both c4 and e4 from invasion. Black has no such problem.

<turbo231>, congratulations on solving today's puzzle, but might be less confusing for Bears of Very Little Brain like me if your commentary on Monday's puzzle was transferred there, I was struggling to see Rxc7 in today's position :-)

Sep-21-10  pers0n: this one was like a monday puzzle (by that i mean easy!)
Sep-21-10  ZUGZWANG67: Bishop of the same color ending where naterial is equal. But White's B is very bad and Black can sacrifice his at g3:

41...Bg3! and:
a) 42.hxg3 h2 and 43...h1Q;
b) 42.Ke2 Bxh2 43.Kf1 Ke4 and f4 falls as well;
c) 42.Bg1 Bxf4 and there no defence against 43...Bc1.

Time to check.


At least I have the first move of the solution correct!

Premium Chessgames Member
  Once: <Eduardo Leon> That's great advice from Paul. I have not had much luck teaching my boy to play chess, but here are a few of things we have tried:

A software program called Fritz and Chesster which breaks the game down into mini challenges. Especially useful for kids who are not interested in anything unless it has Sony written on it.

Playing very badly against them so that they don't get disheartened. Sometimes I will leave a piece en prise or allow a simple tactic (fork or pin). As Paul rightly says, ankle-biters can get discouraged very quickly.

Encouraging them to play, just play. Especially playing against other kids. Then you can dribble the advice out to them a bit a time. Much better than sitting them down to learn how to mate with king and rook.

A very good book called "How to Beat your Dad at Chess", which is actually a primer on the most common mates. And I have to say that I enjoyed reading through it too.

Playing through short classic games. One rainy holiday my boy and I played through a selection of miniatures on a pocket set. And, as you might expect, we made up stories and jokes as we went along. And sometimes the pieces spoke in silly voices - the rooks like grumpy trolls, the queen like Queen Victoria ("we are not amused"), the bishops like Kenneth Williams ("ooh, matron!") and so on. Well, it worked for us.

Sep-21-10  wals: Yes, cracked another one.

Analysis Rybka 4 x 64:

White: depth 27.
first major error:
1. (-1.14): 32.gxh4 Bxh4 33.Bc1 Bf2 34.Bb2[] g6 35.Bc3 Bg1 36.h3 Bf2 37.Bb2 f6 38.Bc3 g5 39.Bb2 Bg1 40.Bc3 Bh2 41.Bd2 Bc7 42.Bc1 Bb6

Black's error, 34...Bg7, -2.88, (best,
Bd8, -3.62) was no big deal as further White errors,36.Bc2 -3.62,and 40.Bg1 -7.95, ensured Black retained control for a win.

Sep-21-10  therealbenjinathan: <Eduardo Leon:> The advice set out before me is good. All my kids play chess (which is weird because I did not play chess until they got a Disney chess set at age 5).

My boys quickly were able to beat me, usually by knight forks, so they enjoyed the game right off.

My daughter was a tougher nut. I try to play her at just below her level. If she makes obvious mistakes I stop the game and ask her if that is really a good move or why she made that move. I sometimes give hints. I allow takebacks so she does not get too discouraged.

She also does some simple tactics pages for short periods of time. But not very often.

Slowly, she has come along.

There are also books you can work through together. This is one of the ones we have:

It has cartoons and short sections on numerous topics. It is really good. I know there are others.

Good luck.

Sep-21-10  DarthStapler: Got it easily
Sep-21-10  rapidcitychess: The POTD features another combination (and you thought these were tactics!:-) )


Play over the ideas and you can see all these themes.

*The <JEDI> tactic was coined by me, it is a term for deflection tactic, which is to move something away in order to open a line or to pen up a line to get a pawn running down.

Sep-21-10  ruzon: <Eduardo Leon> I agree with some of Paul Albert's advice. I have been teaching chess at an elementary school, mostly to kids not nearly as advanced as the youngsters described above. Many do not have their own set and some don't know what "diagonally" means.

After 5 years, I have taken the good advice of a highly rated acquaintance to teach them the following progression:

1) 8P: first to the 8th rank scores a "touchdown" and wins. Pawns are wacky, so if you teach pawns first they won't know how wacky they are.

2) 8P+K: still scoring "touchdowns". Kings are wackier rule-wise, but playing K vs. K isn't exciting.

3) 8P+K+R promotion: win when all enemy pawns are taken.

4) 8P+K+R promotion+#: checkmate the King.

5) Add Rooks on starting squares; checkmate anytime

6) Add Bishops

7) Add Queens (R + B)

8) Add Knights

I'm only up to (2) with the beginners this school year. The point is to give them a game they can play against each other so that fewer of them get discouraged by the complexity. Check back in the spring to see how well it worked.

Sep-21-10  turbo231: <MaczynskiPratten:<turbo231>, congratulations on solving today's puzzle, but might be less confusing for Bears of Very Little Brain like me if your commentary on Monday's puzzle was transferred there, I was struggling to see Rxc7 in today's position :-)>

Sorry about that, the reason I put it on today's puzzle is because I kibitzed just before midnite last night.

I wanted to thank <unferth> for showing me how bad I really was. I noticed that he's not a member so he doesn't have access to the past puzzles.

But mainly the reason was that I waited just before midnite before I kibitzed. I was busy on the kibitzers cafe and Kenneth Rogoff blogs.

I apologize for not doing a better job in alerting everyone that I was talking about Monday's puzzle. I could, and should have done a better job.

Sep-21-10  dufferps: While I see the point made by several kibitzers that black has a far stronger position and the sequence 41. Be3 Bg3 is sort of a nail in white's coffin, I can't help going back a move and saying, What If? ... if White had played 41 Ke3.

I am supposing black would start his King down c4 - b3 and end up promoting probably at a1. Maybe that's even worse for white than the 41. ... Bg3 threatening to capture the f4 pawn. But I'd like the expert opinion of my fellow kibitzers on whether that would be the way it would go.

p.s. Thanks for the suggestions on making chess fun for young beginners. I'm looking forward to playing with my grandsons (6 & 4 yrs old) when I see them next.

Premium Chessgames Member
  Breunor: Thanks Eduardo Leon!
Sep-22-10  Eduardo Leon: <ruzon>, <Once>, <PaulAlbert>, thank you very much!
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