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Viacheslav Ragozin vs Gavriil Veresov
Central Syndicates Champ. (1945), Moscow URS
Sicilian Defense: Dragon. Classical Variation Tartakower Line (B74)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Jun-26-15
Premium Chessgames Member
  agb2002: White has a knight for a bishop.

The best defender of the black king is the bishop. This suggests 24.Rxg6+:

A) 24... Kxg6 25.Qg3+ Kh5(6) 26.Rf4 followed by Rh4# (26... Rxe4 27.Rxe4).

B) 24... fxg6 25.Rf7+ Kxf7 (else 26.Qxh7#) 26.Qxh7+ Ke6 (26... Kf8 27.Nf4 Rdc8 28.Nxg6+ Ke8 29.Qg8#) 27.Qxg6+ Ke5 28.Qg7+ Kxe4 (28... Ke6 29.Nf4#) 29.Nf6+ exf6 (29... Ke3 30.Nxd7 Rc7 31.Nf6 and if 31... exf6 then 32.Qxc7, etc.) 30.Qxd7 followed by Qxd6 + - [Q+2P vs 2R].

C) 24... hxg6 25.Rxf7+ transposes to B.

D) 24... Kf8 25.Qh6#.

E) 24... Kh8 25.Rxf7 and mate next.

Jun-26-15  diagonalley: wow! ... brilliant combination... way too hard for <diagonalley> :-(
Jun-26-15
Premium Chessgames Member
  morfishine: I had <24.Rxg6+> continuing 24...hxg6 then the thematic <25.Rxf7+> which lets the Queen in after 25...Kxf7 26.Qh7+

*****

Jun-26-15  gofer: I couldn't see anything reasonable except Nf4, and even then I couldn't see beyond black simply not being able play Rxe5 due to Nh5+, but once I got the bits out and had a look, the attack via Nh5+ is devastating...

<24 Nf4 ...>

24 ... Rxe5
25 Nh5+ K anywhere
26 Rxe5

24 ... Kf8
25 Qh6+ Kg8
26 Nh5 mating

24 ... Kh8
25 Nxg6+ fxg6
26 Rf7 mating

24 ... Kg8
25 Qh6 mating!

24 ... e5
25 Nh5+ Kf8
26 Nf6 Qc8
27 Qh6+ Ke7
28 Rxg6 hxg6
29 Nd5+ mating

24 ... f5
25 Rxg6 hxg6
26 Qg6 mating

24 ... f6
25 Nh5+ Kf7
26 Rxf6+ exf6+
27 Qxf6+ Kg8
28 Rxg6+ hxg6+
29 Qxg6+ Kf8 (Kh8 Nf6 mating!)
30 Qh6+! Kg8 (Ke7 Qf6# or Kf7 Qg7+ Ke6 Nf4#/Qf6#)
31 Nf6+ Kf7
32 Nxd7

<24 ... Rc5>
<25 Nxg6 fxg6>
<26 Rf7 Kxf7>
<27 Qxh7+ ...>

The mate is unavoidable...

27 ... Ke6/Kf6
28 Qxg6+ Ke5
29 Qh5+! Ke6/Kf6
30 Rg6+ Kf7
31 Qh7+ Kf8
32 Qg7#/Rg8#

27 ... Kf8
28 Qh6+ Kg8 (Kf7 29 Qxg6+ Kf8 30 Qg7#/Qg8#)
29 Qxg6+ Kf8/Kg8
30 Qg7#

~~~

Hmmm, now that IS interesting! Is <24 Nf4> stronger than the immediate <24 Rxg6>? What do the silicon monsters say?

Jun-26-15  alphee: Among the rook's options I did try the ♖f1 first one and came like this: 1. ♖xf7+ ♔xf7 2. ♖f4+ ♗f5 3. ♕h5+ ♔f8 4. ♕h6+ 4. ♖xf5+ ♔g8 5. ♕g5+ ♔h8 6. ♘f6 exf6 7. ♕xf6+ ♔g8 8. ♖g5#.

I am sure missed a few options alowing black to escape but it looked interesting.

Jun-26-15  Abdel Irada: <It is not the games line, but seems workable or am I missing something?>

How is Black forced to take the e-pawn?

Jun-26-15  Abdel Irada: <Phony Benoni: And, just to show that life does imitate art at times:>

No, it imiates it. :-D

Jun-26-15  gofer: <alphee: Among the rook's options I did try the ♖f1 first one and came like this: 1. ♖xf7+ ♔xf7 2. ♖f4+>

Yup, this is as far as your scenario goes <2 ... Kg7>


click for larger view

White has just lost a rook and has no chance to make any in-roads on f7 or h7 and black will play Qe6 next threatening to trade off on e4 into a winning end game...

Jun-26-15  nalinw: OK Shoukhath007 - I have had enough of your self-promotion.

Off to Ignoreland with you!

Jun-26-15
Premium Chessgames Member
  Penguincw: I got the "rook sac on g6, and eventually fork on f6" part right. :)
Jun-26-15
Premium Chessgames Member
  kevin86: I missed the two rook sac! Nice finish!
Jun-26-15  Shoukhath007: sorry <nolinw> this is only way to promote i can't able to see another way , please suggest me how should i share my talent?
Jun-26-15  reticulate: Is the proper ending here to trade off the queen for the two rooks (i.e. 34....R(f) f2; 35. Qg3+ Kf7; 36. QxR RxQ; 37. KxR) then cash in the big White pawn majority, or is there some mating attack that I'm missing?
Jun-26-15
Premium Chessgames Member
  jith1207: <Shoukhath007> I see you have got 160 views for the video and if you keep doing it well, you will get more hits and likes and followers. But it looks bad when shared in every other page, which hurts the purpose of this website.
Jun-26-15  Shoukhath007: great human being speak great words thanks for encouraging me <jith1207>. Thanks a lot from now onwards i will post only related videos to this pages.
Jun-26-15  Conrad93: Weird, I considered both ideas, but not at the same time!
Jun-26-15  scormus: <<al wazir> .... I didn't.> Neither did I! I tried to make something out of Nf6 but it didn't come to anything

A tough find OTB, and we're not at the weekend yet

<How is Black forced to take the e-pawn?> 28 ... Ke6 29 Qg4+

Jun-26-15  BOSTER: 28...Ke6 29.Nf4#
Jun-26-15  dfcx: Material even. The only forcing move seems to be 24.Rxg6+

A. 24...Kxg6? 25.Qg3+ Kh6 26.Rf4 mates

B. 24...fxg6/hxg6 25.Rf7+ Kxf7 26.Qxh7+

B1. 26...Kf8 27.Nf4 Qf5 (Rc8? 28.Nxg6+ Ke8 29.Qg8#) 28.exf5 Rxf4

B2. 26...Ke6 this is the game line
I did not see 28.Qg7+ so probably half the credit today.

So far this week 4.5 out of 5. Looking forward to Saturday.

Jun-26-15
Premium Chessgames Member
  FSR: <scormus: ... <How is Black forced to take the e-pawn?> 28 ... Ke6 29 Qg4+>

Better yet 29.Nf4#.

Jun-26-15  M.Hassan: <Abdel Irada>:Black is not forced to take the e pawn. This analysis shows one version that IF Black takes the e pawn, that line takes place. I have not done other variations due to shortage of time.
Jun-27-15  RandomVisitor: After 23...Kxg7:


click for larger view

Rybka 4.1 x64:

[+2.07] d=25 24.Rxg6+ hxg6 25.Rxf7+ Kxf7 26.Qh7+ Ke6 27.Qxg6+ Ke5 28.Qg7+ Kxe4 29.Nf6+ exf6 30.Qxd7 Re5 31.Qxd6 Kf5 32.Qd7+ Kg6 33.Qxa7 Re1+ 34.Kf2 Rb1 35.Qa3 Rf4+ 36.Kg3 Re4 37.Qa8 Re2 38.b3 Rc1 39.Kh4

[+1.78] d=24 24.b3 Rc5 25.Rf5 a6 26.Rh5 Rh8 27.b4 Rxd5 28.exd5 Kf8 29.Rhg5 Rg8 30.Qf2 f6 31.Rf4 Ke8 32.Rg3 Qb7 33.Qf3 Kd7 34.Qg4+ Kd8 35.Qd1 Kd7 36.Kh2 Rc8 37.Re3 Kd8 38.Qg4

Jun-27-15  RandomVisitor: After 18.Raf1:


click for larger view

Rybka 4.1 x64:

<[+0.08] d=20 18...Bxb2> 19.c3 f6 20.a4 Ne5 21.R4f2 Ba3 22.Ra1 Nc4 23.e5 Nxe3 24.Nxe3 Bc5 25.Nxc5 dxc5 26.exf6 Rxf6 27.Rxf6 exf6 28.Ng4 Qd6 29.Nxf6+ Kg7 30.Nh5+ Kh8 31.Nf4 Bf7 32.Nh5

Jan-03-19
Premium Chessgames Member
  Chess4Him: An incredible foresight after 23...Kxg7 for White to see a winning endgame. I was curious how play might have resumed rather then resigning so I tried the analysis feature. White was prepared to trade the Rooks for the Queen leading to an overwhelming pawn majority.

1) +2.39 (25 ply) 35...Re1+ 36.Kh2 Re5 37.Qd3+ Kf7 38.Kg3 Ra4 39.a3 Ke6 40.Qd8 Rae4 41.Qe8+ Kf5 42.Qd7+ Kg6 43.Qd3 Kg5 44.Qd2+ Kg6 45.Kf3 Rh4 46.Kf2 Rhh5 47.Qd3+ Kg7 48.c4 bxc4 49.Qxc4 Rc5 50.Qb3 Rhf5+ 51.Kg1 Rfe5 52.a4 Red5 53.Qb7+ Kg6

Jan-04-19  ughaibu: I don't think you can discount the possibility that white didn't foresee that the endgame was a win. Wouldn't you want to play the combination anyway, even if it might only draw?
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