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Herbert Bastian vs Guenter Walter
GER-ch (1997), Gladenbach GER, rd 9, Nov-25
Formation: King's Indian Attack (A07)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-07-20  landshark: Now that's a Monday!
Now I really know what day it is (:
Dec-07-20  SchachAndAwe: Black is currently up an exchange, which could be simply won back with Nxf6, but there is a killer deflection move which wins the Queen instead.

Re8+ drags the Queen over to the square where Nxf6 forks Queen and King, leaving White up a Queen for a Knight.

Dec-07-20  saturn2: 25.†Re8+†Rf8†26.†Rxd8†Rfxd8 wins Q for R
Dec-07-20  stacase: After casting about for a few seconds, the thought occurs, "Maybe there's some move that sets up a Knight fork."

25.Re8+ does the trick.

Good Monday puzzle.

Dec-07-20  zb2cr: White is down by the exchange in the initial position. 25. Re8+ wins the Queen.

Black can end up either:

Down by Queen vs. Rook with 25. ... Qxe8; 26. Nxf6+, Kg7; 27. Nxe8+, Rxe8

or

Down by the rough equivalent of a piece with 25. ... Rf8; 26. Rxd8, Rbxd8 (Q+2N vs. 2R+B).

Dec-07-20  Mayankk: Probably more fun if it was 24 White to move with a choice between Rxf6 or Nxf6.
Dec-07-20  Cheapo by the Dozen: A Monday that shall not live in infamy. :)
Dec-07-20
Premium Chessgames Member
  agb2002: White has both knights for a rook and a bishop.

The black queen protects the rook on f6. Therefore, 25.Re8+ Qxe8 26.Nxf6+ wins decisive material.

Dec-07-20  Brenin: A classic Monday POTD! Black was doing fine, thanks to White's passive opening play, e.g. 12 Nc1 and 13 f3, until the disastrous 22 ... f5 (Bc6 and Qd5 look worth trying, to exploit the absence of White's LSB). As <Mayankk> has observed, a more interesting and slightly less obvious puzzle would have been the exchange sac on White's 24th move.
Dec-07-20  lost in space: 25. Re8+ and all is over.
Dec-07-20  Honey Blend: The quiet 22. ... ♔h8 should have defended fine. Maybe black feared ♕h6 and ♘f6 intrusions, but he can hold the fort without issues, for example 22. ... ♔h8 23. ♘f6 ♘xf6 24. exf6 ♗b7 25. ♕h6 ♖g8 and white's attack goes nowhere, while his powerful QB commands the a8-h1 diagonal.


click for larger view

White does not have enough artillery to push through and he has to keep an eye against ... ♕d5 ideas.

Dec-07-20  morfishine: White torpedoes Black with <25.Re8+>
Dec-07-20  sfm:


click for larger view

Black is OK. White has to be a little careful. Black has a great bishop! 22.-,Bb7 with ideas of -,Qd5 is something White must counter. Instead Black decides to open up with 22.-,f5, and that was a very bad idea!

Dec-07-20  tonim: Gligoric vs B Rabar, 1955 at move 22 is same solution but 42 years before this game, much harder to spot and played by real chess legend.
Dec-07-20  Mayankk: After 22 Kh8 23 Nf6+ Nxf6 24 exf6 Bb7 25 Qh6 Rg8

Re4 seems to block any Qd5 ideas while either of the White Rooks can swing to h4 and threaten mate at h7. Black can exchange Queens at h5 but that leaves Black with a very weak pawn structure and vulnerable to Rook intrusions at e7 e.g. when the Bb7 becomes a target instead of an asset.

All-in-all, I doubt if letting 24 exf6 was a safe option for Black although admittedly 22 f5 was far worse

Dec-07-20  Pawn Slayer: 25Re8+ Rf8 26 Rxd8 R(f)xd8 and black still has drawing chances due to the excellent bishop on d5. However 27 Nf6+ followed by Nxd5 eliminates the extremely strong black bishop and should enable white to win, but 2R v Q+N is not always quite as easy as the material advantage suggests, especially with black's solid pawn structure.
Dec-07-20  vajeer: Puzzle could even be set at 23.exf6. However, how do you let everyone know that en-passant is available, and if you do, you would be providing a hint to the puzzle?
Dec-07-20  TheaN: <25.Re8+ +->, though I admit I missed the Rf8 defensive idea; I thought White would be going up Q:R always. Alas, it wins, but it shows to always recheck a material Monday.

<Brenin; Honey Blend; sfm> though I concur 22....f5? was horrible given 23.exf6 and the pawn's immune due to the game continuation, but Black did not think he was doing okay otherwise. I know objectively, he is. It's 0.00, so drawn, right? These attacks are voracious and it's extremely easy to break under the pressure; completely defendable positions have been bodged up by the best players for that same reason.

Without immediate threat, White can attempt Ne2-f4-xh5, and then Nf6. The only saving grace for Black in this is that after Nf4 Qg5 pins it, crucial tempo. In case of the immediate Nf6 Nxf6 exf6, Black just scrapes by due to active pieces and the option of g5, but not more than that.

Dec-07-20  Honey Blend: Here's an elaboration of my thoughts of why I think ... ♕d5 is a very potent move (defensive resource?) after 22. ... ♔h8. Suppose play went 22. ... ♔h8 23. ♘f6 ♘xf6 24. exf6 ♗b7 25. ♕h6 ♖g8 26. ♘e2 ♕d5 27. ♘f4


click for larger view

Black can force perpetual with 27. ... ♕h1+ 28. ♔f2 ♕f3+ 29. ♔g1 ♕h1+ etc.

Or maybe we can try 26. ♖f4 ♕d5 27. ♖ee4, which looks very threatening.


click for larger view

Here 27. ... g5 stops ♖h4 threats and forces White to retreat his rook. Otherwise if he tries too hard with 28. ♖g4, ♕f5 wins at least the exchange.

I may have failed to mention some other interesting attacking lines for White here, maybe someone can fill me in on what else I missed?

Dec-07-20  TheaN: <Honey Blend> not wrong. I've seen the Ne2-f4 line with the Qh1-f3 perpetual, which is <probably> the reason the line is 0.00. Anything else is worse for White; just considering that on move 22, Black was scared enough to not box in his king in the corner given the counter opportunities. Black can draw with either 22....Kh8 or Bb7, but is not there just yet.
Dec-07-20  f.alonso01: the board after blacks 11. ... b6 looks very beautiful. White pieces look like a football team in Camp Nou, will play against Barcelona and they just make a wall around their goalkeeper. :)

Very good game, have a good week friends :)

Dec-07-20
Premium Chessgames Member
  drollere: 25. Re8+ Rf8, 26. Rxd8 R(b)xd8 seems like the best option for black.
Dec-07-20  RandomVisitor: Black could have tried 14...f5:


click for larger view

Stockfish_20120516_x64_modern:
NNUE evaluation using nn-62ef826d1a6d.nnue enabled

<56/79 2:21:50 -1.05 14...f5> 15.c3 Ne6 16.exd5 Nxd5 17.Bh6 Bxh6 18.Qxh6 Ng5 19.c4 Nf7 20.Qd2 Nf6 21.b4 cxb4 22.Qxb4 Bb7 23.Qc3 Rc8

Dec-07-20  mel gibson: Took me only 1 second to see that.
Dec-07-20
Premium Chessgames Member
  eternaloptimist: Once I saw the ♘ fork threat, it was easy to figure this puzzle out. Of course blunders r going to happen but Iím surprised that a FM blundered into this
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