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Manfred Keller vs Wolfgang Bogatzki
FRG corr (1976) (correspondence)
King's Gambit: Accepted. Cunningham Defense (C35)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  Dionysius1: Just turn the sacrifice down and get on with your development. No need to give White a brilliancy.
Feb-02-21  Cheapo by the Dozen: After Bxf7+, the bishop is well and truly poisoned. And after Black declines it, White can calmly equalize material in a superior position.

That said, the puzzle solution is NOT a thumping win in the way we usually expect; e.g., the engine rates the position after the sac at +1.06.

Feb-02-21  Cheapo by the Dozen: According to the engine, Black still had the advantage until Move 8.
Feb-02-21  phantasmagorium: I would think that this puzzle should not enter the "Easy" category. If 9. Bxf7+ Kd7 then what? Clearly white is superior, but to turn it into a win will still take an entire game!
Premium Chessgames Member
  agb2002: White is two pawns down.

White can weaken the position of the black king with 9.Bxf7+:

A) 9... Kxf7 10.Ne5+ Kg7 (10... Ke8 11.Qh5#; 10... Ke6 11.Qg4#) 11.Rf7#.

B) 9... Kd7 10.hxg3 and White has worsened Black's position, recovered both pawns and nearly completed development. Then, White may consider starting an attack with d5 and e5.

C) 9... Kf8 10.hxg3 (is tempting 10.Ne5 gxh2+ 11.Kh1 dxe5 12.Bxg8+ Kxg8 13.Qh5 but Black has 13... Rh7) with similar conclusions but perhaps with Qd3 and e5 after due preparation.

Feb-02-21  daladno: Oh yes, I can imagine it very vividly. After a very hard thinking for a couple of days Black decides - what the hell, I'll take it. And plays 8...fg3. When the next move arrives, he's shocked. He thinks for a week, no less - but takes the bishop anyway. Just to resign after seeing a knight's move.
Feb-02-21  morfishine: This is a correspondence game?

It thats true, it appears each player was writing in his own dialect which was totally foreign to the other

Feb-02-21  TheaN: Somewhat obvious is <9.Bxf7+ ⩲> Kxf7 10.Ne5+ #1 and mate on all answers: Kg7 Rf7#, Ke6 Qg4# and Ke8 Qh5#.

The decline of the f7-sac, which is common in the KGA, doesn't really lead to an immediate win. <9....Kd7 10.hxg3 ±> isn't really difficult, as the bishop's not in peril.

9....Kf8?! might have required an OTB recheck (given Bxf7+ is free). I had 10.Bxg8? on first glance but 10....Kxg8 is more than fine, 11.hxg3 Kg7= and Black even has a small edge. White's best is 10.e5! +-, preventing Nf6 and 10....Kxf7 11.Nxg5+ Ke8 (Kg6 12.Qd3+ Kh5 (Kg7 13.Rf7#) 13.Qf3+ Bg4 (Kg6 13.Qf7#) 14.Qf7+ Kh4 15.hxg3+ Kxg3 16.Qf2#) 12.Qh5+ Kd7 13.Nf7 +-, rather deep. 10.hxg3!? is also fine, but Black is kind of alright after 10....Nf6 ⩲.

Feb-02-21  Cellist: A nice miniature! I saw that accepting the bishop sacrifice was disastrous.
Feb-02-21  20MovesAhead: is this a miniature miniature ?
Premium Chessgames Member
  chrisowen: Labelled it ok ovid Bxf7+hackshop a flush photon beam agains baggage on baroque labelled it ok ovid double extra feminine pink plonk ovid koinus i v oo quandary qc jagsy jaw its hire vitals oo hotspot posyland oo bubblegum cuff fraggier oo totups fancies flicks with iota threw it comet Bxf7+ ebber?
Feb-02-21  DrGridlock: < the puzzle solution is NOT a thumping win in the way we usually expect; e.g., the engine rates the position after the sac at +1.06.>

That was the hardest part of the puzzle. I saw very quickly that:

(i) Bxf7 was a nice entry for the bishop

(ii) The bishop was poisoned, and black's king had to run

(iii) Black's position after the "running king" was still playable

And then spent a bit of time searching to see if there was an option for a more direct win. There is not.

Feb-02-21  Rama: I've won a few games with a double dis-check, it's a wonderful feeling!
Feb-02-21  TheTamale: They don't call it the CUNNINGham for nothing.
Feb-02-21  TheTamale: Oh, shoot. Disregard last comment. The loser played the Cunningham. Fantastic pun DOES NOT WORK.
Premium Chessgames Member
  gawain: I, too, wondered just how winning White's position is after Black declines the bishop.

But after Black swallows the bait, the discovered double check is neat, as are the three distinct one move mates after Black's three possible replies.

Feb-02-21  YoungEd: Still, <TheTamale>, the entire Chessgames community embraces your enviable wit! Rock on, even if we must keller you embarrassed!
Feb-02-21  awfulhangover: The limitless stupidity that is needed to play 9.-Kxf7 in a correspondence game reminds me of the intellectual level displayed by fans of an ex-presidents daily lies and conspiracy theories.
Feb-02-21  Refused: The thematic 9.Bxf7+ has to be solution
9...Kxf7 10.Nxe5+ 1-0
9...Kd7 ok, that looks unpleasent, but I fail to see an immediate k.o. 10.hxg3 should be betterish for white. I'd feel somewhat uncomfortable with the king position. But the that I am not a king's gambit player (I just assume that was the opening with the black pawn chain). 9...Kf8 is not really an alternative. If the Bishop is taboo, then there's no point leaving the king that exposed on the f-file.

time to check. Yeah, 9.Bxf7+, but kinda bad pick for puzzle, when black's best response 9...Kd7 leaves white without a real k.o. punch.

Feb-02-21  TheBish: M Keller vs W Bogatzki, 1976

White to play (9.?) "Easy"

This could only have arisen from a King's Gambit Accepted! And Black must have just played 8...fxg3?? after White's 8. g3. Seems like White was winning a pawn back anyway (by capturing twice on f4), thanks to poor defense by Black. But Black took the bait and got punished it appears.

9. Bxf7+! and if Black declines the bishop, White can restore material with 10. hxg3 or proceed with an attacking move like 10. e5, depending on whether the dark monarch goes to d7 or f8. Either way, Black's king is none too safe and White has many paths to victory with complete control of the center, better development and king safety.

However... if Black somehow thinks he can survive accepting the gift (he can't), the finish is 9...Kxf7 10 Ne5+ (my favorite kind of check - make mine a double!) and now Black has his choice of three mates:

(a) 10...Ke8 11. Qh5#
(b) 10...Kg7 11. Rf7#
(c) 10...Ke6 11. Qg4#

Feb-02-21  TheBish: And it was a correspondence game, which makes it that much worse for Black! Who was clearly not a master. White, on the other hand, was apparently an expert (officially a Candidate Master) on the King's Gambit, with that opening being the most frequently played .
Feb-02-21  eblunt: If the black king runs, this is not a bog(atzki) standard win for white
Feb-02-21  mlskdney: Bxf7 and knight takes e5 and even I would not fall for this.
Feb-02-21  mel gibson: Strange puzzle -
Black taking the Bishop is a blunder.
Feb-03-21  1g1yy: I'm relatively new to the site but this was the first time I saw one of the puzzles required the player to make a blunder. It actually made it quite difficult because I don't think any intermediate or Advanced player takes the bishop.
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