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Manfred Keller vs Hans Joachim Jaser
FRG-ch16 sf corr (1977), Germany
King's Indian Defense: Four Pawns Attack. Florentine Gambit (E77)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
May-28-15  get Reti: Got it all the way through. I'm so proud of myself!

To SchachMann: If 29. Bh6 Rxd8 30. Qxd8++ then 30... Nxd8.

May-28-15
Premium Chessgames Member
  morfishine: One Queen eliminates the bishop <29.Qxd4> 29...Nxd4 30.Bh6 Ne6 while the other Queen takes out the Knight <31.Qxe6>

*****

May-28-15  dfcx: The only piece stopping white from play Bh6 is the black bishop. So white wins with
29.Qxd5! Nxd5
30.Bh6 Ne6
31.Qxe6
Now black can't prevent white from playing Qf6 next, forcing mate. A.31...fxe6 32.Rxf8#
B.31...other moves 32.Qf6 with mate to follow
May-28-15
Premium Chessgames Member
  gofer: Bd4 is a pain the butt, so lets get him out the picture...

29 Qdxd4 Nxd4 (cxd4 Bh6 mating)
30 Bh6 ...

White gives up the queen for a mating threat that is just too good.

30 ... Nf5
31 Rxf5

30 ... Ne6
31 Qxe6

~~~

Yep...

May-28-15  Boerboel Guy: <SchachMann: Why doesn't 29. Bh6 Rxd8 30. Qxd8++ work?>

it's not mate....how about 30....Nxd8!!!

May-28-15  Nick46: <Phony Benoni: In the Good Old Days,..> P.B. for me you are one of the "gods" of this site (if not THE god) and it's not often one can "one-upmanship" god .. so forgive me for being the pedant that I am, but the correct spelling is "Gardez!" sans u. Forgive, forgive ...
May-28-15
Premium Chessgames Member
  offramp: The Florentine Gambit. Oh my Gharshk!
May-28-15  Eduardo Leon: Easy! 29.♕dxd4 ♘xd4 30.♗h6 ♘e6 31.♕xe6, and now:

A) 31...fxe6 32.♖xf8#

B) 31...♕b2 32.♕e7

C) 31...(anything else) 32.♕f6

May-28-15
Premium Chessgames Member
  Penguincw: Very interesting. I think this is the first puzzle I ever saw where the side to move has 2 queens.

Anyway, I am now 0/4 this week, but I did consider 29.Qdxd4 Nxd4, and moving the queen to safety.

The line I was hoping for was 29.Qxf8+ Kxf8 30.Bh6+ Kg8 31.Qf3, and trying to battle out this queen ending, where white has a rook for knight and 3 pawns.

May-28-15  Sally Simpson: Two Queens sacs! This should have been a Monday puzzle spread over two weeks.

When I saw the two Queens I was thinking the 'this is too easy' mob will be having a field day in the forum.

Then you spot it's not quite that easy.

But it does go like clockwork and using the look for forcing moves first method works a treat.

May-28-15  YetAnotherAmateur: 29. Qdxd4 seems to do the job.

A) 29. ... Nxd4
30. Bh6 Qxg2+ (because black can get in a spite check) 31. Kxg2 any
32. Qg7#

B) 29. ... cxd4
30. Bh6 any
31. Qg7#

C) 29. ... Ne5
30. Qxe5 Qxg2+
31. Kxg2 any
32. Qh8#

Other responses are pretty much the same as (C).

May-28-15
Premium Chessgames Member
  PawnSac: Hmmm. well, i suppose its a "medium".
It seems to me if the typical monday
puzzle is a 1 star, this would be a 1.5

Nevertheless...
Q8xd4! Nxd4
Bh6
if then ..Nf5 Rxf5 or ..Ne6 Qxe6!

ok now to look at the game and see if black resigned after Qxd4

May-28-15  CHESSTTCAMPS: Black has a knight + three pawns for white's second queen. Initially I was looking at Qxf8+, but soon realized that it is the conventional dark-square weakness of a king-side castle (with missing fianchettoed bishop) that black needs to be worried about:

29.Qdxd4! eliminates the defending DSB and the rest is easy:

29... Nxd4 (cxd4 30.Bh6 forces mate sooner) 30.Bh6 and now

A) 30...Nf5 31.Rxf5 Qb1+ (Qb2 32.Qxb2; all other moves allow 32.Qg7#) 32.Rf1 Qxf1+ 33.Qxf1 with large material advantage.

B) 30... Ne6 31.Qxe6! Qb2 (To prevent 32.Qf6. Of course 31...fxe6 32.Rxf8#) 32.Rxf7! Rxf7 (Qb1|c1+ 33.Rf1+ wins) 33.Qe8+ Rf8 34.Qxf8#

B.1) 31... Qb6 32.Rxf7 wins similarly to B main line, but 32.Qxb6 also wins.

Time for review...

May-28-15  CHESSTTCAMPS: Agree with a number of the pundits that a double-queen sac (especially with the 2nd queen offered twice as in <Jims> illustrated line) is a great rarity, one that all can enjoy.
May-28-15
Premium Chessgames Member
  chrisowen: Walkers d8 and angle down why whoose shin rase it rats in rave tars again sat hat shred in aid d4 dips around and ta gait ok in ogles son slide away in light garters d8 grabs padre h6 arm d4 then dives am god do good dink clock c6 bad g4 as better glide away in light match eg win d4 did come manage have mob d4 bam blap quip query c6 back ash g4 and alf way there about equal as have iffy feint f6 safe efface off jest ave d4 and light mates ever tickle around angle f6 and padre h6 at good ash plinth padre h6 at aid give spark e6 or even f5 oh door did as hid op ok in ogle wag so quip qued lucky striker d8 refugee it eedjut in ever an arm c6 ar good was g4 angled goof foot a gog eminated queen ash d4 then hi joy jig link hide pa fog d4 over batch c6 ar bad g4 angle good slide away in light rind for won i be proof flight aim cred i gifter am cad i glorify oh door as put each i dipoff arm find have good i be ever etc i et tu brute in uniform d8 appraisal on the road clink ave i delve deeps efface off in fly am at drive lane every good chance if ive this left off i enter glide blow ave the hatch h6 angle f6 at wins a fetch amp g4 arms glean line alive c6 as no more dead drive lane ebber mob angles i evermore a culpa delved an angle efface off line drive i dutiful crum pivot able at curious bind infer tile ground in fly chubb engage i gas,
May-28-15
Premium Chessgames Member
  chrisowen: Said give as i good gastric juice h6 under the cosh choose choice hock i hog f1 can back rank mate arm f8 at enact fatefuls a decision queen c6 knight bone of contention ive a scream as and g4 boot am good gotcha grins away in light equal c6 and light wins a fetch eg have at queen d8 own d4 drive king's a flap engage pave flow face pin aids g8 at ever hunted down aim d4 first an almighty ramble give spark a f1 up in a f8 at wins i arrivers to the point f6 light wins at believe churlish behaviour abreast creative gesture i et tu brute in uniform appraisal lady again aim g4 after c6 bad give try gain at I'm afraid on flusters 28...Nc6 doesnt bode well do bind bowed out cobbled in road ash gabbed and hobbled d8boiled away in light and black bodge c6 job blocked ash g4 blood mobbed around bond booed and bopped away boiled down dobs in bottled up boverred and wobbled d8 own d4 drive in blew away padre h6 up in enact horse e6 tracks back f5 also bad light wins a mate comes soon as changes choices and chances gone crevice ogle channel d8 alive c6 dead cashes out ok in ogle carafes f8 cackles away in cuffers d8 clunges dip d4 dance clocker canteen covered over abreast d8 ive croques monsieur carries the fight c6 angle cowhorn and cowbell bald as a coot black cut cat tick tock crate tech tuck in cog flinch eg win chin am goof knight chores guff enough cuff flank cantankerous again c6 dank and dusty ramble give bad g4 an equality 28...Ng4 gives a ghoul ghost gable given glibs and gaves one up c6 ar bad g4 aim glock bang an goads at guffs away in light glean gangs am guppy c6 fish amp g4 bang lesson slide gives at groan gases and king's a face pin pave flow ash g8 laser vantage gates gaily f6 dish dash a gog enough dig borough dug good flog for glad fangs a bunch c6 angle cops out ive serve in blew away am route won d4 i am hone and hack ash d4 an fertile ground infer lane every good chance diffuse it sense in serve c6 at bad fluffs believe d8 own mea culpa c6 to desserter 29.Qdxd4 Nxd4 30.Bh6 Nc6 or bet corroborates 30...Nf5 when aim 31.Qxe6 mate is due diligent queen liberties taken do he in affable demise a fracus again bet down info ok line low as good a pine a punt apply your noodle believe baffle at as fact facial fad d4 dip again h6 face at heavens gate a king's a face pin ash i g8 at enact in ha fancy that yang and yin failsafe jaffa bled queen did a flack jackets fallacy again I'm g4 afraid bang goes then lines c6 at bad fantasy flap engage spark an quaff f6 in far flight away am route fase again fate accompli augers affable a favour an waffle go build f8 arm fancifuls at back rank mate ever at fax fay again favor flick and flock f6 light fleck of paint inter glide h6 padre fork a poof of air am f8 dont take just survey queen f6 at very strong monster f8 can be held i fatefuls amp decision select mission over abreats f8 angle f6 and mate is soon am pave path apathy ramble give pa blow cap again dapper gent pea shell ive flap rook gap happy jap pack lap and map out nap in oap c6 rap par rave sap tap pat spinal point c6 angle comes around for dip d4 vapour trail wap in pay deals and draws down facility ramble give yin and yang horse c6 bad good ash g4 aim dares and dance deems the decks and drive doors am douse the doves at dunce c6 ar good was g4 angle derive debonair queen as d8 own dips again ash d4 deeps the drift de riguer debts and devow as dew and due did fang dud fog diff dig why rates encircle for a clean win d4 dead flog dids one up flung f6 suffragete into the crown for drive the point h6 angle f6 watch flights build f6 an bridge ive la ship ha wain back skim palm cone ji never bath red d4 dog hit ok in ogles son respect wash mooted stance dote wads wash am lovely ramble give back wow clinch cast live hi light f6 at monster padre h6 as left strange back one clench eg win back que d4 i need inched for drive choice bag hang horse c6 hes ghost trail around angle change barge made any good return as roi d4 back man shin choose hi ja flack jacket padre hurries to the scene h6 at gleans a wave horders then baffle do rent a ghost h6 and f6 light at wins steel h6 and f6 at march to victory back queen e6 cant be touched.
May-28-15
Premium Chessgames Member
  kevin86: Brilliant! White sacrifices TWO queens. Then he mates with a bishop and rook (the divided functions of a queen)Last round.
May-28-15  fokers13: VERY EASY in comparison to wednesday and tuesday.

hope the rest of the days are like this.

May-28-15
Premium Chessgames Member
  jith1207: <JimfromProvidence> Thanks for the insight, that looks clever and solid approach. On a side note, if you are from Providence, RI, I got to say that I loved visiting your town.
May-28-15  Clodhopper: It always happens this way on Thursday. I see the first couple of moves, and I'm thinking "this ought to go", and then: "damn, 30 ... Ne6 refutes."

The solution ain't 29 Qxd4, it's 31. Qxe6!

May-28-15
Premium Chessgames Member
  Jimfromprovidence: <jith1207> Yes, that is my hometown. You never forget your roots.

However, school and career took me to So Cal; I've been a resident here since 1987.

May-28-15  vajeer: The game continuation is the best but I think 29. Qxf8 should win too. After 29...Kxf8 30. Bh6+

If A. 30...Kg8
31. Re1 Qb1 (Ne7 or moving the queen to 8th rank loses a piece and White should win the end game) 32. Qf1 Qb8
33. Qb5 should win.

If B. 30...Ke8
31. Re1+ Ne5
32. Bf4 and white should again be able to win the piece.

May-28-15  Bubo bubo: That was a perplexing puzzle, at least for me!

I saw the key move nearly immediately (after a very short attempt to set up a pattern akin to yesterday's GOTD). But when I realized that the "unstoppable" mate after 29.Qdxd4 Nxd4 30.Bh6 isn't unstoppable, I hastily rejected this line as a mere try.

Instead I wasted much time on calculating 29.Qxf8+ Kxf8, only to discover that neither 30.Bh6+ Ke8! nor 30.Qd6+ Kg7! works.

Now, on the brink of resigning, I returned to the first line, and at long last I detected the pin of the Pf7, allowing 30...Ne6 31.Qxe6. Black can postpone mate with 31...Qb2, but after 32.Qe7 he is out of luck.

Btw: Is this the first puzzle featuring multiple queens?

May-30-15
Premium Chessgames Member
  patzer2: Here's my look at the game and the Thursday, May 28, 2015 puzzle with Deep Fritz 14:

<14. d6 Be6> Stronger here is 14... c4! when play might continue 15. Qd5 (15. Nd5 Nbc6 16. Bh4 Qc5+ 17. Kh1 Nd3 18. Bxd3 Qxd5 19. Bxg6 Qxd1 20. Bxf7+ Kxf7 21. Raxd1 Bxb2 ) 15... Qb6+ 16. Kh1 Be6 17. Qd2 Nbd7 18. Nxe5 Bxe5 19. Rad1 Qa5 20. Bf3 Rab8 21. Bf4 Bg7 22. Bh6 a6 23. Bxg7 Kxg7 to (-0.57 @ 21 depth).

<22...Qa5??> This is Black's decisive error. Instead, 22...Qxe2 23. Bxe2 = (+0.30 @ 25 depth) keeps it about level.

<23. Bg4!?> This wins, but it's slow & difficult and overlooks a much stronger reply.

A much quicker win here is 23. Rxd7! Bxd7 24. Bd5 Rf8 25. Qe7! (+7.82 @ 24 depth) with the decisive threat 26. Bxf7+ .

<28...Nc6?> This loses immediately.

Putting up much more resistance is 28... Ng4! 29. Qde7 Bxf6 30. Qxb7 Bxg5 31. Qc7 to (+1.47 @ 26 depth)

<29. Qdxd4!> This solves the Thursday, May 28, 2015 puzzle.

Weak and only good for equality is the tempting 29. Qxf8+? Kxf8 30. Bh6+ Ke8 31. Re1+ Ne7 32. Qd6 f6 33. Bc1 a5 =.

<29... Nxd4 30. Bh6 Ne6 31. Qxe6 1-0>

Black resigns in lieu of 31...Qb8 32. Qf6 Qe5 33. Qxe5 f6 34. Qe7 Rf7 35. Qe8+ Rf8 36. Qxf8#.

Jun-05-15
Premium Chessgames Member
  jith1207: <JimfromProvidence> Awesome, yes, you are right, never forget your roots.
search thread:   
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