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Vasily Smyslov vs Salomon Flohr
USSR Championship (1949), Moscow URS, rd 16, Nov-12
Caro-Kann Defense: Maroczy Variation (B12)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 5 times; par: 86 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
May-24-06  Whitehat1963: Nope, didn't see it at all. But isn't playing g6+ counting on a blunder? What happens if 52...Kxg6?
May-24-06  Mountainman1: Very easy today. 3-4 seconds to see the crushing move. Flohr was generous enough to allow Smyslov to finish his attack.
May-24-06
Premium Chessgames Member
  dalbertz: 52 ... Kxg6 53. Rg8+ Kf7 (... Kh7 Rh1#) 54. Rg1 whatever 55. Rg7#
May-24-06  centercounter: I didn't even see mate - only that g6+, Kxg7, c7 is sufficient. Several ways to Rome (or at least to Turin)...
May-24-06  SaltiNeil: Three for three this week. I should quit and take up checkers while I am undefeated!
May-24-06  dakgootje: < I didn't even see mate - only that g6+, Kxg7, c7 is sufficient.> Sufficient? for what sufficient? Black was clearly lost already, so white could do almost anything it wanted and it would still win. Sufficient for solving the puzzle? Certainly not, as there was both a mate threat AND black isnt much worse after ...g6 Kxg6 c7 instead of immediately playing something like Rb7, so mainly the reason for playing g6 at all is in the case of that its followed by c7 gone. So it is sufficient for what?
May-24-06  JustAFish: I was actually blinded by the promotion possibilities of the c-pawn in this one so, I have to confess, I missed the astonishingly simple 52 g6+!

May-24-06  Tariqov: <dakgootje>Agree...almost any moves are winning for White,you just have to pick the best of the rest.
May-24-06
Premium Chessgames Member
  YouRang: I've been stumbling over Wednesday puzzles lately, so I was gratified to find this rather easily.

Any patzer can see 52. Rb7+ is "almost mate". But it allows the king to escape via g6. So, I considered plugging that hole with 52. g6+! Capturing the pawn either way traps the king:

52...hxg6 and now Rb6# is "real mate".

52...Kxg6 allows 53. Rg8+ Kf2 54. Rg1 with mate soon.

And if 52...Kg7, then 53. gxh7 Kxh7 54. Kf6, and mate soon.

May-24-06  Alex S.: I figured 52.Rf8+, with

52...Kxf8
53. Kf6

being unavoidable mate by Rb8#, with

53...Rb3
54. Ra1

Being Black's longest play.

However, it's sorted quite easily by

53...Bxc6
54. Rb8+ Be8.

I'd like to say I'm too clever to miss the obvious ones. But...

May-24-06
Premium Chessgames Member
  kevin86: The secret defense for black was to hide behind te g pawn if the rooks chase him. Instead,g6+ forces him to capture-the text move of course resulted in immediate mate as his would-be flight square g6 was occupied.But either way-the mate is quick.
May-24-06  HoopDreams: found the solution rather quickly. the g6 square was blacks only hope of survival but white cuts of the sqaure and then quickly goes in for the kill
May-24-06
Premium Chessgames Member
  beenthere240: An alternative approach to the 52...Kg7 dodge is 53. gh Kxh7 54.Rg1 and mate is inevitable as the rook on c8 goes to g8 and then g2. Black can't do anything except watch and wish his rook were a black-squared bishop.
May-24-06  NOKRO: Got it in 1 min! Who's the Man! Who's the MAN!
May-24-06
Premium Chessgames Member
  OBIT: For you guys claiming that 52. Rb7+ Kg6 53. Rg8+ Kh5 54. Rxh7+ Kg4 55. c7 must win, I don't know... I mean, I haven't analyzed this too deeply, but Black's pawn on e4 must also have that proverbial lust to expand, and all those checks by White only pushed the Black king to where he can better support the advance of this pawn. If I were playing Black, I think I'd play 55...Bb7 and see what happens.

Mate is a lot simpler. :)

May-24-06  einuj: i dont see a clear outright win for white after 52.... Kg7
May-24-06
Premium Chessgames Member
  technical draw: <einuj> after 52...Kg7 white plays the deadly 53. RxK....
May-24-06
Premium Chessgames Member
  OBIT: Yes, einuj, <technical draw> offers a convincing refutation of 52...Kg7 in response to 52. Rb7+. Or are you suggesting 52...Kg7 as a reply to 52. g6+? In that case, others have already pointed out a few ways to force mate in that line. The fastest is probably 53. gxh7 Kxh7 54. Kf6, and White mates in a few moves.
May-24-06
Premium Chessgames Member
  beenthere240: <einju> after 52.Kg7, mate follows rapidly. See my solution above or those of others. Black is busted in all lines.
May-24-06  syracrophy: 52...Kxg6 53.Rg8+ Kf7 (53...Kh5 54.Rh1+ Rh3 55.Rxh3++) 54.Rbg1! and mate with 55.R1g7++ can't be avoided
May-24-06
Premium Chessgames Member
  al wazir: <eaglewing: I think you need in addition a convincing line after: 52. Rh1 Rxc6 53. g6+ Kg7 54. Rxc6 Bxc6 55. gxh7 Kh8>

54. Rxh7+ (not 54. Rxc6) Kxg6 55. Rch8 Rc8 (55...Kg5 56. Rg7#; 55...e3 56. Kf4 e2 57. Rh6+ Kf7 58. R8h7+ Ke8 59. Rg6 e1=Q Rg8#) 56. Rh6+ Kg5 (56...Kg7 57. R8h7+ Kg8 58. Kf6 Rf8+ 59. Kg6, with Rh8# to follow).

As I said, it's messy.

May-26-06  eaglewing: <al wazir> I did not look at your continuation to place the rooks on h7+h8, while losing both pawns c6+g6. It did not look right. If the doublerooks lead to mate and you checked that by computer analysis, fine, just tell it and I'll believe you, but your last mentioned lines are not convincing me.

Especially, what is the deal with your own main line after 56. Rh6+ Kg5? That does not mean mate yet. Or variation 55...e3 56. Kf4 e2. Why do you run the black King to e8? That does not seem to be a critical line. Even more disturbing for your mate-threat-idea, where you need Kf4 to control g5 is 56. Kf4 Rc4+. It puts an end to that control.

At least, Rh1 is much more messy than you gave an idea by now.

May-26-06
Premium Chessgames Member
  al wazir: <eaglewing>: You may find computer analysis more authoritative, but in the absence of evaluations of the alternative lines it wouldn't be very informative.

I only indicated what I thought were the main variations; there are too many alternatives to post an exhaustive analysis. That applies to the double-♖ line: black's ♔ can go left or go right, but I found wins for all the moves I looked at.

When one side has a strong position there is often more than one way to win; 52. Rh1 was my choice. But I concede that I could have made a mistake. The win certainly isn't as clear as with the move played.

May-27-06
Premium Chessgames Member
  patzer2: The obstruction move decoy sham sacrifice 52. g6+! forces Black to block or blockade a last remaining flight square, as part of a mating combination.
Apr-28-11  Ulhumbrus: This was a battle between two of the strongest players in the world, neither of whom was likely to make any obviously weak move.

After 25 a4 White threatens 26 c5 followed by 27 Nd6 winning the exchange or else keeping a giant Knight on d6. This suggests that instead of 25...Qa5, 25...b6 is necessary in order to answer the threat of 26 c5.

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