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Alexander Kochyev vs Igor Ivanov
URS-ch44 First League (1976), Minsk URS, Oct-??
Formation: King's Indian Attack (A07)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Jan-03-06  olydream3: wat a tuesday puzzle, i thought of something more complex than the answer. But the answer came out as this simple! Nd6 doesnt save the bishop as Bxb7 Nxf7, QF3! wins

However, a hard and difficult for a tuesday

Jan-03-06  ice lemon tea: 9.Ne5 is very simple yet a lot of significance behind it.
Jan-03-06  Soltari: When I looked at the puzzle the only thought that ran through my head was: there can't be a winning move in this situation, it's to early in the game.. So I actually wanted to look at the answer right away, but tried to solve it first. Didn't succeed though, I oversaw the fact that the black knight on f1 would be caught, and the white bishop on a8 would be free. Guess the combination was a bit too long for me :). But nevertheless I must have learned from this puzzle. And yeah, it's too hard for a tuesday :). Now I think of it, if this was a friday puzzle or so, I think I would have solved it, because I would automatically search for longer combinations.
Jan-03-06  monad: Pilsbury said somewhere: "You should only castle if you MUST, or if you WANT to. Not simply because you CAN." Well, this was a case of "MUST". Then Ne5 from White would have held no terrors.
Jan-03-06  awfulhangover: I solved the puzzle, but used much longer time than other tuesday puzzles I have seen.
Jan-03-06  monad: <cu8sfan: )-: Theme of the week: Puzzles I don't solve.... >

Don't? Won't? or Can't? :-)
I seem to remember you solved yesterday's.

Jan-03-06  percyblakeney: Since it's Tuesday I thought the solution must be something easier and totally missed white's answering Nd6 with Bxb7 and Qf3...
Jan-03-06  jahhaj: Difficult for Tuesday but made a bit easier by the fact that it couldn't really be anything other than Ne5. Stared at it for long enough and eventually got it.
Jan-03-06  percyblakeney: <it couldn't really be anything other than Ne5> That is true. Maybe the best move for black in the final position is Nc3 even if it doesn't exactly look good...
Jan-03-06  EmperorAtahualpa: According to Crafty, Black's only mistake was 8...Ne4!?. Better would have been 8...O-O.

♙ Crafty's analysis after 8.dxe4:

8...O-O 9.Qe2 Qd7 10.Ne5 Qa4 11.Ndc4 b5 12.b3 Qa6 13.Nd2 Nc6 14.Bb2 Rad8=

(eval. -0.09; depth 14 ply; 157M nodes)

♙ Crafty's analysis after 8...Ne4!?:

9.Ne5! Nd7 10.Nxd7 Nxf2 11.Rxf2 Bxg2 12.Nxb6 cxb6 13.Kxg2 O-O 14.Qh5 Qc7 15.Ne4 Rad8

(eval. +2.54; depth 15ply; 127M nodes)
_________________________________

My own suggestion for this puzzle was 9.Nh4?! but that is clearly not good enough.

♙ Crafty's analysis after 9.Nh4?!:

9...Nd6! 10.Bxb7 Nxb7 11.Qf3 Qc8 12.Ne4 O-O 13.Bg5 f6 14.Be3 Nc6 15.Rfd1 Ne5

(eval. -0.59; depth 15 ply; 100M nodes)

Jan-03-06
Premium Chessgames Member
  benveniste: <Fdisk>, I think the following line is slightly less bad...

9. ... ♘d7
10. ♗xe4 ♗xe4
11. ♘xd7 ♗xc2

Black salvages a pawn for the piece and keeps the queens on the board, but there's still little or no counterplay.

Jan-03-06  bishopmate: not easy for a tuesday puzzle..
Jan-03-06  yoshi927: Wow, I saw Ne5, but I didn't like it. Heh... I wonder whether I missed or got the puzzle.
Jan-03-06  ReikiMaster: <<al wazir> <Chesnutt>'s post (1st page of Kibitzing) shows the same win of a piece. You don't have to read all moves.> Correct. That game lasting over 40 moves does not prove any uncertainty about who was going to win. In fact after 9...Nd6 10.Bxb7 Nxb7 11.Qf3! 0-0 12.Qxb7 black had practically no compensation for the piece he lost.
Jan-03-06  Hudson Hawk: <ReikiMaster> <al wazir> et al. It bears noting that in the full game posted in which black resigned that white captured with the knight, not the pawn in that game. So the combination did not win him a piece, it only got him back to even with not much in the way of compensation.
Jan-03-06  Hudson Hawk: <benveniste> I'm not so sure that saves much. If White immediately takes the d7 knight Black is still faced with the same problems.
Jan-03-06  beenthere240: If you're looking for continuations in which black "only" loses a piece, why not 9...Nxf2?
Jan-03-06  kevin86: The true paradox of puzzle solving is that if a person can solve it,to him/her it is "easy"---if he/she can't,it is hard.

The puzzle here is very easy but one has to know what he/she is solving.

White overworks black's pieces and picks up one or two.

Jan-03-06  Shams: how is that paradoxical?
Jan-03-06  jackpawn: I got it, but only after several minutes. Normally I can do Tuesdays in a few seconds. Another slap to my ego (sigh) . . .
Jan-03-06  kevin86: <shama> because the defining the puzzle as "hard" or "easy" is totally the opinion of the person doing the analysis. The definition is totally meaningless.
Jan-03-06  Shams: well, maybe I'm just in a mood to be pedantic but I think that the word "paradoxical" is what become meaningless, when you use it to apply to any skill that some people are better at than others. Is speaking French paradoxical? What about the decathlon? Fixing a car engine? Hard and easy are relative terms, not meaningless ones. A paradox is an irreducible contradiction. Right?
Jan-03-06  TopaLove: I could solve this puzzle cause I remembered of a puzzle we had a long time ago. It was Fischer playing as white, then after a combination the queen was attacking a piece in the corner and threatining checkmate. I´ll try to find the game.

Ah, and of coarse, it was not a tuesday puzzle. I think it was a thrusday or friday.

Jan-03-06  Sami Jr: I don't understand why black will be down a major (non pawn) piece, particularly in the scenario mentioned by <al wazir> and others: 9. Ne5 Nd6 10. Bxb7 Nxb7 11. Qf3... If black responds with Qd5, then the threat of mate to black and threat on his N on b7 is gone. White can 12. Qxf7 Kd8. White can continue to check by moving Nd2 but so far white is only up a pawn. Am I missing something here? Please let me know what I may have overlooked.
Jan-03-06  jahhaj: <Sami Jr> Black can save his piece that way but it's pretty miserable. After 13.Qxg7 Black is two pawns down, can't castle, going to lose the h pawn soon. Enough to resign.

Another W Ivanov minature, W Ivanov vs P Martynov, 1973

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