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Victor Bologan vs Sergei Movsesian
XXXV Bosnia GM International (2005), Sarajevo BIH, rd 3, May-21
Slav Defense: Quiet Variation (D11)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 11 times; par: 25 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Aug-20-20  Brenin: The published position looked familiar to me. Apparently a number of books have been devoted to it and the possible continuations. I must get hold of one of them and read it.
Aug-20-20  groog: I echo An Englishman.
Extremely difficult to find whites 27th move.
Aug-20-20  jith1207: <An Englishman - says "27.White to Play." Given that the game lasts only 25 moves, this one does seem difficult indeed!>:

True, the toughest game to win is a won end game.

Aug-20-20  AlicesKnight: As for <An Englishman>. A puzzle to be used for McCartney's "Eight days a week".
Aug-20-20  Walter Glattke: Al Wazir:17.- Nxc2 is better than the mess following here, but I have 18.Rxc7 Bd8!? 19.Rxc8 Rxc8 20.Nd6 Rc7 21.Ne5 - no mate but white wins then.
Aug-20-20  morfishine: Spoiler!
Aug-20-20  jith1207: <Al Waz & Walter>: if 17...Nxc2 18. Rxc7 Bd8,

Best move forward is

+5.45 (24 ply) 19.Rxf7 Rxf7 20.Ne5 Nd4 21.Bxf7+

Aug-20-20  TheaN: Interested to see if the starting position is available with 26 Knight moves without repeating the position three times (else 1.Nf3 Nf6 2.Ng1 Ng8 would suffice, thirteen times) I would reckon White and Black can chase each other across the board, but some squares or unavailable due to check and you will have to trace back to the starting squares on exactly move 26. I know a whole round's been done in about 15 so it should definitely be possible.
Aug-20-20  Whitehat1963: That is one seriously tough and lengthy puzzle for a Thursday! I think I might have the first move. It’s either e4, d4, c4, or Nf3. But beyond that, it’s hard to figure out just one forced continuation.
Aug-20-20  smitha1: White to move and win from starting position. Present all variations. Complete and present within 24 hours. Now that's a Sunday puzzle of note!
Aug-20-20
Premium Chessgames Member
  saffuna: Damn, I've seen this position before. I'm trying to remember the winning variation.
Aug-20-20
Premium Chessgames Member
  agb2002: I remembered this one.
Aug-20-20  saturn2: You can reach this position at move 27 by only knight moves
Aug-20-20
Premium Chessgames Member
  Diademas: 27.e4 – "Best by Test!"
Aug-20-20
Premium Chessgames Member
  WorstPlayerEver: I had the first 3 moves right. Not bad.
Aug-20-20
Premium Chessgames Member
  thegoodanarchist: I played 1.e4, so I got it wrong. But 1.d4 was my second choice!
Aug-20-20  catlover: I read somewhere that the Vienna Game was a forced win.
Aug-20-20
Premium Chessgames Member
  Jimfromprovidence: I went into my puzzle vault and pulled out this challenging one. It's move 37, with BLACK to play. Good luck.


click for larger view

Below is the game link.
I Cheparinov vs V Gashimov, 2008

Aug-20-20  malt: Have 37...Qb1+! 38.Kh2 Nh3!! 39.f3

(39.g4 Qg1+ 40.K:h3 hg4# )

39...Qg1+ 40.K:h3 Qh1+ 41.Qh2 g4+ 42.fg4

hg4+ 43.K:g4 Q:h2

Thankyou Jim !

Aug-20-20  RandomVisitor: Tactical combinations often sit on a razor's edge of not working. Consider if black had played 16...Nf4 instead of 16...Nb4: the sac does not work, as 17.Rxd7 Qxd7 18.Qc3 Qg4 threatens mate on g2 and gains an important tempo.


click for larger view

Stockfish_20081416_x64_modern:

43/70 06:52 +0.20 17.Rfe1 b5 18.Bf1 Rd8 19.Ng3 Bf6 20.Nf5 Ng6 21.Nd6 Bb7 22.Nxb7 Qxb7 23.Bxf6 Nxf6 24.Qxc5 Nf4 25.Qc1 Ne6 26.Rxd8+ Rxd8

43/61 06:52 0.00 17.a4 b5 18.axb5 axb5 19.Bxb5 Qb7 20.Bd3 Nxd3 21.Qxd3 Qb6 22.Rfe1 Rd8 23.Qc3 Bf8 24.Nd6 Nf6 25.Nxc8 Raxc8 26.Qc4 Ne8

43/6 06:52 0.00 17.Qc3 Nf6 18.Qe3 Ng4 19.Qc3

Aug-20-20
Premium Chessgames Member
  gawain: What a sweet winning combination it is, starting with 17 Rxd7. The contribution of White''s light-squared bishop, pinning Black's f-pawn, is notable.
Aug-20-20  morfishine: <1.e4> Best by Test
Aug-20-20  newzild: The toughest puzzle ever!

The best I can see is 1. e4.

Time to check.

Aug-20-20  newzild: ...damn.

I overlooked that Black has an adequate defence against 1. e4 with 1...e5, 1...e6, 1...d6, 1...d5, 1...c6, 1...c5, 1...Nf6 or 1...g6.

Fingers crossed for tomorrow.

Aug-20-20
Premium Chessgames Member
  Breunor: I went for e4.
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