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Viacheslav Ragozin vs Vasily Panov
USSR Championship (1940), Moscow URS, rd 18, Sep-30
Sicilian Defense: Scheveningen. Fianchetto Variation (B80)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Oct-20-05  YouRang: I found the solution quickly, but spent a minute or so checking for variations because I thought "it can't be that simple on a Thursday". A perfect week so far. :)

It's a basic fork with removal-of-guard. With 25. Qc6, white forks the undefended rook and queen. The rook is simply hung, and the soon-to-be-removed queen is guarding against Rxd1+.

Oct-20-05  somethingstrong: <The beginner> Silman's book was my first, and it was recommended. I read it several times over and found some of the basic principles worthwhile, but there were many flaws in his position evaluations. Not to get into a huge debate, but if i had to pick a place to start all over again, it would be Fritz...without hesitation!
Oct-20-05  The beginner: <somethingstrong>

Well I like the Silman book. Granted i have not read that many chess books, but this is the one i like most from those iwe read.

Also i agre with you about Fritz, for anyone who really wants to improve playing chess, it is also nesesary to analyse games, especialy loses to find out where, and why it was lost. But the thing is Fritz is not good for explaining strategic consepts. So a few good books are not bad eather, in my opinion, and also analysing the games with the oponent, and stronger players is very good too.

Oct-20-05  Doktorn: I got it too, and since I usually don´t get thursday it probably is easy. But that´s ok with me. Was looking at Qd7 for quite a while until I realised white could just take the rock on c1.
Oct-20-05  ewenardus: I also thought of 25...Rd8, and it does seem easier to play 25...Qc6 BUT: what happens after 26.Rxc1 Qxc1+ 27.Kg2 Rd1? I've been looking at it a bit and I think black's attack is very promising - I don't see how thie can escape a mating net or an even greater loss of material. Any comments?
Oct-20-05  ewenardus: White to move:


click for larger view

I dónt see much of a defence for white

Oct-20-05
Premium Chessgames Member
  kevin86: <ewenadrus> These puzzles may ave more than one solution-they are quite openended in that regard. The simplest solution to the problem at hand is Qc6---yours may win also,but the posted one is far more elegant and forceful at the same time.

There is no escape:
26 ♖x♖ is answered by ♕x♕
26 ♕x♕ s met by ♖x♖+ followed by ♙x♕

Oct-20-05  YouRang: Hi <ewenardus>. Well, as Kevin says, Black may win in your line, but after Rxb7, Black faces mate threats of his own, which makes it a bit more difficult to construct a mating net against white. I think one has to say that the text move is far better.
Oct-20-05  southeuro: again, 1.2 or 1.5 seconds... easy.. always look for forceful moves is the key, at each stage of the game
Oct-20-05  snowie1: <drmariogodrob> Thanks! You're right, after move 25, it's too late. I think 21.Nb5 was a weak move...bottom line; I guess masters play as foolish as computers when they're in trouble.
Oct-20-05  Averageguy: <YouRang>After28.Rxd7 black wins with 28...Rg1+ 29.Kh3 Qh6+ 30.Kg4 f5+ which wins the queen and probably mates soon afterwards.
Oct-20-05  centercounter: This is so morally wrong... White's development is superior :)
Oct-20-05  Halldor: I didn't see anything for a while, feeling rather stupid (which is OK on Thursdays...), but then I tried to exploid that two of the white pieces were hanging, so I found the fork 25...Qc6, the white queen is overloaded and White loses a piece.
Oct-20-05  ewenardus: <kevin86 and YouRang> Yes, I agree with you both. Ididn't see the solution (Qc6), and just wanted to see what other thought of the diagrammes position.

For instance:

28.Rxb7 Rb8+ 29.Kh3 Qh6+ 30.Kg4 f5+ wins the queen.

What I was suggesting is the that yes, Qc6 gives black a rook advantage and is straightforward, but in the diagramme position I think black can achieve a bigger advantage, though not in such a straightforward way. What would I choose if I were in a game? Probably Qc6!!! (I just refuted the hole comment)

Oct-20-05  ewenardus: Sorry, 28...Rg1+
Oct-20-05  YouRang: <Averageguy: <YouRang>After28.Rxd7 black wins with 28...Rg1+ 29.Kh3 Qh6+ 30.Kg4 f5+ which wins the queen and probably mates soon afterwards.> Yes, after 28. Rxb7, it appears that Black still has a win, as you say.

Of course, 28. Rxb7 wasn't White's only option. For instance, 28. Qxh7 might be better (or maybe it still loses). My only point is that 25...Qc6 is clearly winning, while other moves, like 26...Rd8 *might* still win, but Black has to calculate many more variations to be sure.

Oct-20-05
Premium Chessgames Member
  jahhaj: <ewanardus> White seems to have a couple of defenses in the position you showed. 28.h4 or 28.♖b4. Black maybe better but nothing like as clear cut as the game continuation.
Oct-20-05  Averageguy: I agree, but 28.Qxh7 is an illegal move, did you mean 28.Qxf7?
Oct-20-05  Koster: Easiest one so far this week.
Oct-20-05  YouRang: <Averageguy> Sorry. Actually I meant Qxb7. Clumsy fingers, you know. I see <jahhaj> has suggested some other white responses that Black needs to consider before he can be convinced that 25...Rd8 is winning.
Oct-20-05  netlava: <mynameisrandy>

No, I was just celebrating because after doing 100+ puzzles the answers somehow pop out to me. And by "first" I meant first puzzle ever lol

Oct-20-05  Ashram64: good puzzle, took me a while this time to see Qc6! to gain the extra rook
Oct-20-05  midknightblue: hello. I missed the solution which was admittedly not terribly difficult, but I latched onto ideas with 25...Rd8 26 Rxc1 Qxc1+. This line probably still wins, but is unnecessarily complicated as the solution wins a rook (and the game) instantly
Oct-21-05
Premium Chessgames Member
  patzer2: The puzzle solution 25...Qc6! is a double attack which takes advantage of the fact that White's Queen is an overworked piece. After 26. QxQ Rxd1+ 27. Kg2 bxc3 or 26. Qe2 Rxd1+ , Black has a winning material advantage.
Feb-29-08  jovack: so many players overlook the tactical edge involved in having pieces lined up with the enemy king
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