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Borislav Ivkov vs Atanas Stefanov Kolarov
"Breaking the Pin" (game of the day Sep-21-2018)
Wageningen Zonal (1957), Wageningen NED, rd 5, Nov-03
Semi-Slav Defense: Romih Variation (D46)  ·  0-1
ANALYSIS [x]

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sac: 31...Qd7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Sep-07-05
Premium Chessgames Member
  Sneaky: I imagined the queen coming to c6, because in my opinion appearances count for a lot, so I always try to find the most outrageous looking move.
Sep-07-05  tolow47: I call the theme of this game a pyramid. Black sort of played a shell of a game and then just thought of a nifty sac.
Sep-07-05  sharpnova: <tolow47> well that shows you didn't follow the theme of black's plans at all.. pretty sad :)
Sep-07-05  tolow47: Then walla black wins the tightest game.
Sep-07-05  tolow47: for your infor sharpnova i was speaking of the eastatics of the game not the actual strategy. Don't be so quick to judge. Don't try and be a poohput and try and use people posts to look good.
Sep-07-05  tolow47: :-)happy huntings
Sep-07-05  alphee: The key seems to be removal of the e6 White Queen to remove the pin on the rook on f7. Qd7 works but other moves may work as well eg: 31... Qe4 (31... Qd5 32. Qe7 Rf1+ 33. Rxf1 Rxf1#) 32. Qxe4 Bxe4 (32... Rf1+ 33. Rxf1 Rxf1#) and there are probably others. I there anything I missed?
Sep-07-05  notyetagm: Wow, what a bad move 31 ♖xa4??, <leaving behind the mating focal point f1 on the backrank>. Now the White e6-queen is the only defender against the snap mate on the backrank. Unfortunately for White, his queen defender is very exposed to attack on the e6-square and Black wins immediately with 31 ... ♕d7!! (<REMOVE THE GUARD>), attacking the queen defender with a non-attacker (the Black queen is not needed for the mate on f1) from a square to which the defender cannot go (32 ♕xd7? ♖f1+ mating). The best White can do is 32 ♕xf7+ ♕xf7 when he is down queen for rook and so White resigns.
Sep-07-05  Castle In The Sky: I'm in the "Qc6" camp.
Sep-07-05  notyetagm: Nice puzzle, kinda easy for a Wednesday though.
Sep-07-05  blingice: Isn't 31....Rf1 an automatic two move mate?
Sep-07-05  ThomYorke: After solving this puzzle I wondered how fast Sharapova would solve it too? Cause we know all russians play chess.
Sep-07-05  chess man: I found 31...Qc6 in about 9 seconds (I like to time myself). I only expected there to be one way but soon saw the others. Nice puzzle, however, I would say that it was rather easy for Wednesday. Great game.
Sep-07-05  The beginner: <blingice>

31 ..Rf1 is not posibel it would put the black king in check by the white Queen, hence it is a illegal move. Thats why we must find a move wich forces the Queen away from the a2-g8 diagonal.

Sep-07-05  ajile: 3 seconds on this. Qc8 doesn't stop Qd5 maintaining the pin. But Qd7 stops everything.
Sep-07-05
Premium Chessgames Member
  YouRang: <blingice> As <the beginner> pointed out, 31...Rf1+ is illegal because of the pin. But seeing the potential for that mate is the first step in solving the puzzle. Once you realize that the queen pin is stopping it, you look for the best (i.e. most forcing) way to undo that pin.
Sep-07-05  nateinstein: Thought it was white to play as well, can't say I ever found anything lol.
Sep-07-05  CHEG: Any thoughts how black can proceed after

32 Qxf7 Qxf7
33 Ra1

Black is up a queen for a rook but this doesn't seem like an easy win for black. (Remember Q vs. R endgames are crazy hard)

Sep-07-05
Premium Chessgames Member
  patzer2: <the beginner> <After 32 Raa1 the black mate threat dosen't exist anymore. While black is not losing here, neather is white. The game is equal here i think> Well, the mate threat is covered, but after 32. Raa1 the reply 32...Qxe6 wins the unprotected Queen and the game for Black.

<chessic eric> <Is 31...Qc6 a decoy and 31...Qd7 a deflection?> I could be wrong, but I consider them both to be a deflection and double attack combined, since the purpose of this combination is to remove (i.e. deflect) the Queen from the d5 and e6 squares and unpin the Rook to allow a mate or to capture the unprotected Queen.

Also, I see a decoy move as one that forces the piece to a square in order to complete the combination, and in this case 32. Qxd7 or 32. Qxc6 isn't technically forced and the combination doesn't depend on White capturing the Queen to make it work.

Sep-07-05  gomickeylol: Nice puzzle...good warm-up for Thursday?

I assumed it was white to move to, no wonder i couldnt find anything...

Sep-08-05  The beginner: <Patzer2>

Well its not posibel to capture with 32 Qxe6, the black queen is on b7.

31 ..Kh8 ?
32 Raa1
And it is just equal or maybe a slight advantage to any side if you analyse it really deply, but i dont think eather side has a clear win.

Sep-08-05
Premium Chessgames Member
  patzer2: <The Beginner> My apologies! I read, understood and quoted you out of context. I mistakenly thought you were recommending 32. Raa1 after the game continuation. I now understand you were referring to the possibility where Black blunders and plays the weak 31...Kh8? instead of 31...Qd7!

Yes! in that case you are correct. After 31...Kh8? (overlooking 31...Qd7 )32. Raa1 =, Black has blundered, missed the win and let White back in the game with equality or better.

Sep-08-05
Premium Chessgames Member
  jahhaj: <CHEG> Already pointed out somewhere in the earlier kibitzing, after 32.♕xf7 ♕xf7 33.♖aa1 Black has a forced win 33...♕f2+ 34.♔h1 ♗f1! with mate to follow.

<Remember Q vs. R endgames are crazy hard> Well only if they are literally Q vs. R, with any other material on the board they should be easy enough to win.

Sep-21-18
Premium Chessgames Member
  An Englishman: Good Evening: Having set traps to ensnare myself and then fallen into them, seems odd to see someone else do the same thing. With 30.a4? White sets up the trap 31.Rxa4?? allowing 31...Qd7! and Black wins.
Sep-21-18
Premium Chessgames Member
  HeMateMe: maybe white could buy a good tactics book?
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