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Alexander Kotov vs Gedeon Barcza
"Barcza up the Wrong Tree" (game of the day Jun-20-2008)
Stockholm Interzonal (1952), Stockholm SWE, rd 19, Oct-16
King's Indian Defense: Pomar System (E72)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-13-14  SimonWebbsTiger: @<Pedro99>

nope, not in my edition of "the Art of Attack" but it is included in "Grandmaster at Work" by Kotov(published by American Chess Promotions, 1990), .

btw, on 24...Ne6, Kotov had intended e.g. 25. f4 Rfe8 26. f5 Rd7 27. Rf4 h6 28. Rg4 Kh7 29. Qxh6 Kxh6 30. Rh4.

Jun-13-14
Premium Chessgames Member
  Oxspawn: I spent time looking at Bxg7 and after rejecting this, Qg5. I could see that black could thwart the attack with f6. Putting the bishop on f6 never occurred to me. Not just an attacking, pinning, piercing driving attack, but a passive, blobby, physical barrier as well. As someone said in 2008, a slow motion nightmare unfolding for black. It was pleasure not to get this, and just to watch brilliance unfold. Out of respect I had to take my hat off and then ..... my coat off.
Jun-13-14
Premium Chessgames Member
  Willber G: <Jamboree: What's wrong with the "obvious" continuation:

24. Bxg7 Kxg7
25. Qg5+ Kh8
26. Qf6+ Kg8

...that part plays itself. And NOW it is the time for the real Kotov-esque move...

27. Rd4!>

This is the line I took as well, I would be interested to see a refutation.

Jun-13-14  Cheapo by the Dozen: I'll go with

24 Bf6 Ne6
25 f4

It's slow as molasses, but I don't see how Black defends.

White's core threat is Qe2/Qg4/Qg7.
If Black pushes the h-pawn for luft before White plays Qe2, White proceeds with f5/Qh6/Qh8. If Black pushes the h-pawn only after Qe2, White answers with Qh5.

So I think Black's best try is to flee with R(f)e8. If he does that on Move 24, he loses the knight, and the exchange, and probably a pawn as well; in any case, he's at a fatal material disadvantage. So he needs to move the knight first as above. And so my main line is

24 Bf6 Ne6
25 f4 R(f)e8
26 f5

If Black saves his knight, he is quickly mated at g7. If he doesn't, then he has to save the d8 rook or else lose on material. But the principal remaining possibility is

26 ... R(d) moves
27 fxe6 fxe6
28 Qg5+ Kf7/Kf8
29 Bd8+ winning the queen.

Ouch.

Jun-13-14  Cheapo by the Dozen: I spaced out on the defensive try Black actually used. Oh well. At least I got the core idea right, including the fact that it was a slowly-unfolding attack.
Jun-13-14
Premium Chessgames Member
  Once: <Willber G: ... 27. Rd4! ... This is the line I took as well, I would be interested to see a refutation.>

Take a look at my post earlier on this page. Not my work - the computer.

Jun-13-14  sombreronegro: Looked at it for some time...I concluded black must not be allowed to push the f pawn...24 Bf6 and I see no effective defenses for the Q on g5.
Jun-13-14  sombreronegro: Black had a good stubborn defense. Surely what else but pushing the h pawn to cash in the iron pin on the knight but I found that defense exchange sac annoying..Rfe1 and f4 does not seem to prevent it either since it can force it coming to e6. Letting it get to g6 is a disaster. So good bye to the wonderful bishop...

but looking ahead... the rooks coming on the d file while that black pinned rook g7 will never see the back rank again. White will use the d file like an ax splitting open a water melon.

Jun-13-14
Premium Chessgames Member
  kevin86: I guess I'm in a hurry this week: my move Qg5!
Jun-13-14
Premium Chessgames Member
  kevin86: The bishop move prevents f6, which would defend the pawn with the queen.
Jun-13-14
Premium Chessgames Member
  Willber G: <Once: <Willber G: ... 27. Rd4! ... This is the line I took as well, I would be interested to see a refutation.>

Take a look at my post earlier on this page. Not my work - the computer.>

Thanks, I missed that.

Jun-13-14  JimNorCal: It's astonishing how helpless black is after Bf6. The h-pawn just walks up and kills the helpless knight.
Jun-13-14
Premium Chessgames Member
  chrisowen: Oh a knife f6 rings of smoke through h8 in trees 25.Qg5 or feel man go h6 rover headed jackal co axial cable-wire bus to day in got return to sender sadly cede rook bod g8 catch to enter e6 horse plans moot inside plod a need of rade g8 across sells at ravishings realing rook calm deep dive reenter by jingo g8 thin monarch a feel path hilights to kinds 25.Qh6 Rg8 (6.51) smack aim d4 rook e5 pawn both win since at d8 castle plan depth an a depict aware pawn and d8 rook cap toddy wins at good to check off and command undulated rook over e5 lack brevity yin and yang

I have f6 read pans bishop queen having ply quest h6 roost f6 right feel if dredge chronic h8 bad dock hint see foggy patch radial ghosting monk a f6 laps skim to palms 25...Rg8 26.h4 Rde8 27.h5 Re5 28.Bxe5 dxe5 29.Qf6 Nc8 30.h6 Ne7 31.Rd2 or chest d6 queen takes and light crash a good pile at g7 bond herd in dote lesson final bath dose a wave am cuff hilt mod a 31.c5 simple move c5 or drive d6 staked heart a g7 won so rook up a d2 ok as coast clear on knights it over whelms g7 liegen good like a kitty to purse at wind g7 as a d2 double.

Jun-13-14  VanPoolPlayer: I see 22. ... Bxc3

Did anyone (Fritz?) look at that line?

It eliminates the pressure from white's black bishop and offers a queen trade. The black queen retreat with three threats aimed at the black king seems like a bad move. Black will either lose the game or material. I prefer to trade in a case like that.

If 23. QxB. Then ... Qg7 offering Q exchange again.
If 23. NxQ then ... BxQ

Jun-13-14
Premium Chessgames Member
  Jimfromprovidence: Instead of 26 h4 I went with 26 e5!?, below, with the idea of 27 Rd4.


click for larger view

Threaten to lift the rook and then look to get it to g4 or h4, depending on what black does. If white plays 27...c5, for example, then 28 Re1.


click for larger view

Now the other rook has "luft".

Jun-13-14  BOSTER: <VanPoolPlayer :22...Bxc3>. This is mistake because 23. Nxe7+ with check.
Jun-13-14  PJs Studio: I actually figured whites moves out very quickly. 24.Bf6 suggest it's itself. Although, at first thought, I assumed black could hold best with 24...Ne6
Jun-13-14  PJs Studio: Being able to see the thread is critical in these open positions. 24...Kh8 never crossed my mind as a defense - blech!!
Jun-13-14  BOSTER: Black to play 22...


click for larger view

After
22...Qe6 white only the pawn up.

Jun-13-14  sombreronegro: < Had there been another square on the f-file, black could have prolonged the fight with 31...Nf9!>

Sometimes my pieces dominate the I file

Jun-14-14
Premium Chessgames Member
  patzer2: <Jimfromprovidence: Instead of 26 h4 I went with 26 e5!?, below, with the idea of 27 Rd4.> The plan of 26. e5 followed by 27. Rd4 here is an excellent winning plan, but it might be even stronger a move earlier.

After 24. Bf6!! Kh8 (diagram below)

Alexander Kotov - Gedeon Barcza, Stockholm Interzonal 1952


click for larger view

Analysis by Fritz 12 @ 20 depth on a 2.1 GHZ dual core processor:

1. (6.63): 25.e5 Rg8 26.Qh6 Qb6 27.exd6 bxc4 28.Rd4 Qxd4 29.Bxd4 Nb5 30.Be5 c3 31.a4 Nxd6 32.Bxd6 Rge8 33.Rd1 Re2+ 34.Kf1 Rde8

2. (6.63): 25.Qh6 Rg8 26.e5 Qb6 27.exd6 bxc4 28.Rd4 Qxd4 29.Bxd4 Nb5 30.Be5 c3 31.a4 Nxd6 32.Bxd6 Rge8 33.Rd1 Re2+ 34.Kf1 Rde8

3. (5.91): 25.Qg5 Rg8 26.e5 Rde8 27.Rd4 Rxe5 28.Qh6 Qc8 29.Rg4 Qxg4 30.fxg4 Re2+ 31.Kh3 bxc4 32.bxc4 Ree8 33.Bc3 Re6 34.Qd2 f6 35.Bxf6 Nc8

4. (5.76): 25.h4 Rde8 26.Qg5 Rg8 27.h5 Re5 28.Bxe5 dxe5 29.Qf6 Nc8 30.h6 Ne7 31.hxg7+ Rxg7 32.Rd6 Ng8 33.Qxe5 f6 34.Qe6 Qa5 35.cxb5 axb5

5. (4.73): 25.c5 Nc8 26.e5 Rg8 27.Qg5 d5 28.Rd4 Ne7 29.Bxe7 Ne8 30.Bxd8 Rxg5 31.Bxc7 Nxc7 32.f4 Rf5 33.g4 Ne6 34.gxf5

6. (3.61): 25.Rfe1 Nc8 26.Qg5 Rg8 27.e5 Nb6 28.exd6 Qc8 29.Bxd8 Rxd8 30.Re4 h5 31.Rd2 bxc4 32.bxc4 Kg8 33.Rd1 Qb8 34.Qc5 Qb7 35.Qg5

Here Fritz 12 assesses 25. e5! Rg8 26. Qh6 (or by transposition 25. Qh6 Rg8 26. e5 ) as slightly stronger (+6.63 @ 20 depth) than your 25. Qg5 Rg8 26. e5! idea (+5.91 @ 20 depth).

P.S.: What I found fascinating about the Fritz assessment is that after 24. Bf6!! White's position is so overwhelming he can afford to delay the move of the Queen to g5 or h6 for a move or two and still win.

Jun-14-14  Rookiepawn: Well, I got the solution until move 27:


click for larger view

And now I went for

28 Qf4 Rxh5
29 Rh1 Rxh1
30 Rxh1 ...


click for larger view

And I think Black has no good defense against the attack on h column. If

30 ... Qa5
31 a4 ...


click for larger view

A little bit on the sharp edge... But I still think Black has no time to stop the WQ on her march to h6 and mate...

...hum... Or so I think!

Anyone interested in this line?

Jun-14-14
Premium Chessgames Member
  patzer2: <Rookiepawn> Ran your alternative 28. Rf4! through Fritz 12 and it turns out to be as strong a winning move as the game continuation 28. Bxe5.

Here's the Fritz assessment @ 20 depth after 27...Re5

Alexander Kotov - Gedeon Barcza, Stockholm Interzonal 1952


click for larger view

Analysis by Fritz 12 @ 20 depth on a 2.1 GHZ dual core processor:

1. (6.93): 28.Qf4 Re6 29.h6 bxc4 30.bxc4 Nc8 31.c5 a5 32.Qg5 Rxf6 33.Qxf6 d5 34.exd5 Na7 35.hxg7+ Rxg7 36.d6 Qd7 37.Rfe1

2. (6.49): 28.Bxe5 dxe5 29.Qf6 Nc8 30.h6 Ne7 31.cxb5 cxb5 32.hxg7+ Rxg7 33.Rc1 Qd8 34.Rfd1 Qf8 35.Rc7 Ng8 36.Qxa6 Qb4 37.Qa7

3. (3.12): 28.Qh4 h6 29.Bxe5 dxe5 30.Qf6 Re8 31.Qxh6+ Kg8 32.Rh1 bxc4 33.bxc4 c5 34.Rh4 Re6 35.Qe3 Rd6 36.Rd5 Nc6 37.h6 Ne6 38.Rg4+ Kh8

Jun-14-14  Rookiepawn: <patzer2> interesting lines, thanks! I was reluctant to get rid of that wonderful BB...
Jun-14-14  VanPoolPlayer: BOSTER: Thanks. I look at these without a board, but it seems obvious now... when you jump my queen and say check!
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