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Manuel Madeira de Ley vs Julio Bolbochan
Rio de Janeiro it (1952), Rio de Janeiro BRA, rd 14, May-??
Indian Game: Kingside Fianchetto (A48)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Sep-28-10  tinchoracing: 23... h5 wins the exchange
Sep-28-10  Formula7: 23...h5 wins the exchange after 24.Re4 Bxe4 or more after 24.Rg3 Bxc4. Time to check.
Sep-28-10  beginner64: 23... h5, and rook has nowhere to go. Black wins an exchange.

But, on 27. h4, what is wrong with 27.. Qxh4

Sep-28-10  VincentL: "Easy"

Black can win the knight on c4 (or win the exchange), by forcing white´s rook to move off the 4th rank.

So 23.....h5

If 24. Rg3 Bxc4 and the knight goes.

Or 24. Re4 (perhaps the best try) Bxe4 25. Qxe4 leaving white the exchange down.

This seemed very easy today.

Let´s check.

Sep-28-10  VincentL: Well, I didn't consider 24. Ne3, white´s reply in the game - so a bit careless on my part.

Of course this also loses the exchange.

Sep-28-10  FabrikaLaHun: Thinking it would be nice to have the Q on g2. That or have her on the g-file while Bxg2. Too bad the Rook is in the way. How can I get it to move?

23...h5 was my start. Realized he could still push back to Rg3 which would leave the Knight up for grabs.

Didn't see much of the continuation after that but had the right idea. Oh well, such is life for a sub 1200 rated patzer.

Sep-28-10  dzechiel: Black to move (23...?). Black is up a pawn. "Easy."

Using your officers (the white rook) to guard your NCO's (the knight) is seldom a good idea. In this case the rook can be chased away from defending the knight with...

23...h5

The rook is under attack and has nowhere good to go. h4, f4 and d4 are all under the eye of the black queen. It looks like it's gonna have to be

24 Re4 Bxe4 25 Qxe4

going down an additional exchange. Note that 24 Rg3 is really awful, as after 24...Bxc4 black will get to follow up with 25...Bxf1, gaining a whole rook.

That should do it. Time to check.

=====

It looks like white found a different (but not much better) way to lose.

Sep-28-10  LIFE Master AJ: 23...h5; wins at least the Exchange. (The Rook on g4 - that is protecting the Knight - has no good squares.)
Sep-28-10
Premium Chessgames Member
  al wazir: 23...h5 was easy, but I didn't see 27...Qc5, trapping the ♘.
Sep-28-10  M.Hassan: "Easy"- Black to paly 23.....?
Black is a pawn up

Whit Rook supports the Knight on c4. If the Rook is driven out of row 4, the Knight can be taken. Therefore,

23.........h5
The Rook can not stay in row 4 to support the Knight, wherever it goes can be taken by either the Queen or Bishop

24.Rg3 Bxc4
Furtheremore, now the Bishop attacks Rook on f1 which can not move.White can delay the action by attacking the Black Queen:

25.Rf3 Qg7
26.Re3 Bxf1
27.Qxf1 e6

Black is a Rook and a pawn up and wins.
checking the game now
------------------
Not quite like the game!!

Sep-28-10  Whitehat1963: Must confess, I didn't find it.
Sep-28-10
Premium Chessgames Member
  Once: This might sound like a "doh!" sort of thing to say, but I firmly believe that the reason that chess works is because of the differences between the pieces.

It is what sets chess above lesser games such as backgammon, draughts and su-count-on-your-fingers-doku.

The appeal of chess is its complexity. One of the reasons for this complexity is because the differences between pieces give rise to many different kinds of conflict. A knight can do things a bishop can't, and that gives us the fascinating endgame duel of knight versus bishop. A rook is worth a lot more than a pawn, but a pawn can still take a rook ... given half a chance.

But there's more. A piece can gain extra powers and abilities depending on where it stands on the board. In today's puzzle, the black queen on f6 is armed with a flame-thrower. She is simultaneously attacking h4, f4 and d4 - a broad arc of flame denying those squares to the white rook.

And when pieces combine their abilities, they become more powerful still. The Qf6 can't control the white squares on g4 and e4, but that's okay because the h5 pawn and Bd5 have got those squares in their sights.

And yet... for all these differences, white and black start the game with exactly the same number of pieces in exactly the same configuration. And they will make more or less exactly the same number of moves during the game. What matters is how you use these pieces - swapping low value pieces for high value pieces, putting pieces on good squares where their usefulness increases, and getting your pieces to co-operate so that the total is greater than the sum of the parts.

And that is the essence of chess. It is why it takes so long to learn, but holds an appeal which can keep you interested for a lifetime.

And if it sounds like I am wittering more randomly than usual, it's because I can't bring myself to say something like: "23...h5 wins the exchange because the rook has no safe place to retreat to which maintains its support of the knight on c4."

Except ... rats ... I've just gone and said it.

Sep-28-10
Premium Chessgames Member
  patzer2: For today's Tuesday puzzle, 23...h5! removes the guard over the Knight while simultaneously threatening the Rook. As <Life Master AJ> observes, this wins at least the exchange.

As such, 23...h5! combines the double attack and deflection (removing the guard or defender) tactics, threatening to win the Knight if the defending Rook moves off the rank or the Rook for a Bishop if the Knight moves to e3.

Sep-28-10  lost in space: Took me longer than usual on a Tuersday. First tried it with sucs and queen moves (23...Qc6 24. Ne3), but this is not working out (only 2 active black pieces, no serious mate threats).

After a while I saw 23...h5, winning at least the exchange.

Sep-28-10
Premium Chessgames Member
  Check It Out: <First tried it with sucs> Sucking usually doesn't work out ;)
Sep-28-10
Premium Chessgames Member
  whiteshark: The the key element is the overburdened defiant rook.
Sep-28-10  TheBish: M Madeira de Ley vs Julio Bolbochan, 1952

Black to play (23...?) "Easy"

Black wins an exchange after 23...h5 (removing the defender) 24. Ne3 (counter-attack) hxg4 25. Nxd5 Qg5 26. Nxe7+ Kh7 and Black threatens both 27...gxh3 and 27...Rfe8.

Sep-28-10
Premium Chessgames Member
  agb2002: Black has a bishop and a pawn for a knight.

The knight is protected by the rook, which only has a safe square to move (g3). Therefore, 23... h5:

A) 24.Rg3 Bxc4 followed by ... Bxf1 - + [R+P].

B) 24.Ne3 hxg4 25.Nxd5 Qd6

B.1) 26.Nxe7+ Kg7 27.Qc3+ f6 28.Re1 Rfe8 29.Qe3 gxh3 (29... Kf7 30.Qh6) 30.gxh3 Rad8 - + [R vs N]. Black threatens 31... Kf7 32.Qh6 Rxe7 33.Qh7+ Ke8 34.Qg8+ but the QR is protected now.

B.2) 26.Qe4 gxh3 27.Nxe7+ (27.gxh3 Rfe8 - + [R+P vs N]) Kg7 28.Nc6 Rfe8 - + [R vs N].

Sep-28-10  gofer: Well nothing came to mind immediately, then the rook trap looked possible, then it was obviously that the rook can move back to g3, but in doing so white loses Nc4 and also is forced to exchange down again after Bxf1! So I think the answer is the exchange, but that doesn't seem a huge advantage, but from small beginings great things are achieved!

23 ... h5
24 Ne3 hxg5
25 Nxd5 Qd6

and now Nxe7+ is not available (26 Nxe7+ Kg7 27 ... Nfe8) and white is struggling to hold onto the knight.

26 Ne3 gxh3
27 gxh3 Qe6 winning another pawn.

a RvN exchange up and 2 pawns up. Game over...

There are alternatives, i.e. taking Pa2 and then trying to promote Pa6, but this is probably a lot slower...

Time to check...

Sep-28-10  gofer: 25 ... Qg5 is so obvious when you see it played, but when will I find it OTB!??? Probably never...
Sep-28-10  zb2cr: Took me a while to find it, but find it I did. I have nothing to add to the commentary from <Formula7>, <VincentL>, <dzechiel>, <LifeMasterAJ>, <M.Hassan>, <Once>, <patzer2>, <lost in space>, <agb2002>, and <gofer>.

Oh, and <beginner64>, you wrote: "But, on 27. h4, what is wrong with 27.. Qxh4". There's nothing really wrong with it--but the move made traps the Knight, so that Black will finish by being up a full Rook, instead of being up by the excahnge and a Pawn.

Sep-28-10  Patriot: 23...h5 should at least win the exchange. 24.Re4 Bxe4 25.Qxe4

<gofer> <25 ... Qg5 is so obvious when you see it played, but when will I find it OTB!??? Probably never...>

Don't be so hard on yourself! I didn't even consider 24.Ne3, which even though it does not immediately avoid losing the exchange, it does provide some counterplay so it should be considered. There's nothing wrong with 25...Qd6 as you suggested (see <agb2002>'s post).

Sep-28-10  Patriot: <beginner64>, <zb2cr> explained it well. 27...Qxh4 is certainly tempting, but the pawn is an attempt of distracting black from bigger fish. It's a reminder for all of us not to play automatically on first instinct, but to look around to see if there is anything better.
Sep-28-10
Premium Chessgames Member
  beenthere240: The knight also gets hung up in the variations I've looked at, so it's more like the loss of a rook than the exchange.
Sep-28-10  zooter: 23...h5 wins the exchange after 24.Ne3

Don't think there is anything better in this position. Saw this instantly in a second and back after a week's break. Hope I'm right

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