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Konstantin Chernyshov vs Maxim Turov
Decin op-A (1998), rd 8
Caro-Kann Defense: Two Knights Attack. Mindeno Variation Exchange Line (B11)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
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Apr-20-06  latebishop: I thought Black's best defensive try from the diagram was 26...Nd7, attacking the queen and blocking the scope of the b7 bishop. However, after 27.Rxd7 Qxd7 [27...Rxd7 is much the same]28.Bc3 Kf8 29.Re1 it's curtains again for Black.
Apr-20-06  RandomVisitor: Perhaps Black should have played 24...Rd7. Even 25...Qh4 would have avoided disaster.
Apr-20-06  mr j: not even close :(
Apr-20-06  Alex S.: I saw the mating setup, but I didn't see how to get there. I knew any sort of setup with the bishop could be easily contended with 26. ...f6, with the d-Rook being protected by the Black Queen if it moved to d7, to secure the 7th rank. It never occured to me that to stop 26. ...f6, 26. Qf6 would be perfect.
Apr-20-06
Premium Chessgames Member
  LIFE Master AJ: Its a cool puzzle. (I got it.)

I feel quite sure - judging from what I looked at and reading over the other comments - is that the first (and most natural) reaction is 26.Bh6. (Which does not work.)

26.Qf6! is a super move, sacrificing a whole Rook. The only thing left was to see "the run-away" variation, which is the only possible defense. But once you see that the WR cuts off the e-file, its lights out. (No full credit if you did not see 28.Re1.)

<patzer2>
How would you classify this?

Apr-20-06  chiguire: good puzzle. I was also thinking Bh6, but as already pointed out it would have been thwarted.
Apr-20-06  Manu2: Well well well this one got me!! i ran for the obvious Bh6 and I thought I had got it!! Never thought of Qd4 shame on me. Even after Qf6 I thought Bh6 had no defence but again Qd4 is the answer. Poor me. Anybody knows the real name for somebody who sticks to one angle on the chess board?!! Maybe a patzer and that's me. But used to be very good at geometry!!
Apr-20-06  kevin86: I took the pipe today;my move was the incorrect ♗h6. :(

I missed ♕d4 as a refutation-I saw ♘e6 which white would counter with ♖e7

Apr-20-06  The17thPawn: Fun puzzle and one that could easily help in a real game when facing that sort of castled position.
Apr-20-06  Halldor: This looks so simple now when I see the solution, but I didn't get it. The point is that the winning move is a double threat, so it doesn't matter if Black takes the rook or the bishop - or plays ♕c4, ♕d4 or whatever. (1010, my score is bad this week...)
Apr-20-06  LauraPalmer: I'm pretty new at this. I noticed the obvious mate-threat could be prevented by black's Qd4. I thought I had found the solution by 26 Rb4. After that I stopped looking further. I admit that 26 Qf6 is much more forcing. But I still think that my move, 26 Rb4, is winning. Am I right? It forces black to sacrifice material in order to prevent the obvious mate-threat, doesn't it?
Apr-20-06  TheUnkraut: Dont understand you. Movements Qf6 (point f7) and Bc3 (the diagonal option) are absolutely normal threats- here combined. Because of the direct mate solutions, i wouldnt even call this a combination. Nice game-but more the result of a ripe position than a brilliant tactcis. 2000+players play 26.Qf6 in blitzgames without believe they are doing a great thing.
Apr-20-06  goldenbear: Nope. After Rb4, the knight makes its way to e6, not to mention how difficult (if even possible) the win must be after Rxd2. Seriously, anyone know if Rb4 Rxd2 (which is obviously not the best move, just wondering about the position) is winning theoretically?
Apr-20-06  dakgootje: didnt take too much time, and went for the obvious Bh6 completely succeeding in entirely missing blacks various countermoves =)

Strange that i missed such an obvious thursday puzzle...

Apr-20-06  goldenbear: Yeah this one took me a good minute too, so I liked it as a puzzle. Funny how the pawn structure dooms Black despite his seemingly greater space and mobility. Surely something is better than Qa4. Maybe f6 or Rac8?
Apr-20-06  goldenbear: Actually maybe 24.Nc5 is good. What do the computers say?
Apr-20-06  TheUnkraut: Dont want to sound arrogant. But if there are such direct threats, i believe myself allowed to say "no real combination". Its a question of definition (what maybe could be the starting point of a own discussion forum; i am thinking of this question since i learned my first chesslessons)-should we really accept such direct mate threats to be called a "combination"? When you earn the mate directly by giving up material-where is the real sacrifice?
Apr-20-06  HoopDreams: I found Qf6 in a matter of seconds, this is probably the easiest puzzles all week for me. I uess this is sorta wierd...
Apr-20-06  DoctorChess: Haha Gotcha ! I knew 26.Bh6 is too simple for a Thursday and anyway Black can defended easily with 26...Qd4. I got 26.Qf6! and 27.Bc3 but when Black moved his king to f8 I was thinking of checking him and winning material but I overlooked 26.Re1!!!!! the killing move -- blocks all Black king's escape routes = Gameover for Black.
Apr-20-06  Paintbucket: I looked at Bh6 first too. But the game move is much sweeter.
Apr-20-06  TheUnkraut: Its a simply, absolut normal move...
Apr-20-06  yataturk: Is the theme of the week double mate threats?
Apr-22-06
Premium Chessgames Member
  LIFE Master AJ: This was given as a puzzle, with White to move on his twenty-sixth turn.
Apr-26-06  patzer2: White's 26. Qf6!! creates a winning double attack with the dual mate threat of 27. Qxf7+ Kh8 28. Qxh7# or 29. Qh8# as threatened in the final position.
Jun-11-16  MorphinTime: It is time
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