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Viktor Korchnoi vs Boris Spassky
Leningrad (1948)  ·  Sicilian Defense: Dragon. Levenfish Variation (B71)  ·  1-0
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Last move:

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Given 230 times; par: 9 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 6 OF 6 ·  Later Kibitzing>
Jun-07-16  weary willy: ? 12 ... Kd8 is like your case (E) - white just plays 13 Nxf6
Jun-07-16  stst: Take advantage of the possible N+ position, reverse the N-Q exchange order, not 12.QxQ first, which leads to approx. equality, but

12.Nd5 QxQ (if NxN, 13.QxQ and Black's Q loss has no compensation at all.) 13.NxN+ (the Black Q@f3 looks detrimental, but it would soon disappear) Ke7 (try chasing the N, but the White N already protected by e4 pawn,) 14.Nd5+ Kd7
15.gxQ (now both Q gone, yet Black's N also evaporates) exf4 (not too good, but what else?) 16.Bxf4 etc etc White still has a 0-0-0 to get the left R out aiming at the Black K. White prevails.

Jun-07-16  AlicesKnight: 12.Nd5 looks as if it wins a piece; 12....Qxf3; 13.Nxf6+ Ke7; 14.Nd5+ followed by gxf3. The N forks prevent ....Qe6 .... Qd7. 12.... Qh4+; 13.g3 merely delays. Yes? - Korchnoi thinks so....
Jun-07-16  ocpman: After E) 12...O-O-O 13. Qc3+ might be better
Jun-07-16  Cheapo by the Dozen: I've fallen into similar traps when playing at hyperblitz speeds vs. bad chess programs. Still no excuse.

And speaking of playing too quickly, I overlooked the ... Kd8 defense.

Jun-07-16
Premium Chessgames Member
  Once: Tricky, tricky. In human mode, I saw 12. Nd5 and assumed that was all she wrote. It's a Tuesday, no more to see here. Move along.

But 12...Kd8 is an interesting defence. White still wins, but he has to rely on his positional superiority. The tactic does not net him a piece immediately.

Fritzie is calling it +2.46 for 12...Kd8 13. Qxg4 Nxg4 14. h3 Nh6


click for larger view

Black's position is a mess. He has a bad bishop, offside knight and can't castle. But he hasn't lost material yet.

The other line is 12...Kd8 13. Nxf6 Qh4+ 14. Qf2 Qxf6


click for larger view

Fritzie calls this one +1.22. Black still has a bad bishop and no longer had castling rights, but the presence of queens on the board gives counter chances.

That's a lot to see for a Tuesday.

Jun-07-16
Premium Chessgames Member
  scormus: <Once> Yes, a good puzzle with a bit more than meets the eye. On Tuesday I usually see the move quickly, like today, but forget it's Tuesday not Monday. Didn't think enough about ... Kd8 so I cannot claim to have solved it
Jun-07-16  saturn2: I got the right move but the answer 12...Ke7 is impossible.
Jun-07-16  weary willy: Yes, my glib suggestion of 12 ... Kd8 13. Nxf6 (?) is obviously superficial and less than ideal. Taking the queen and kicking the knight is (frustratingly) best.

Ocpman's suggestion of 12... 0-0-0 13. Qc3+ is much better than taking the knight immediately should the king go that far.

Jun-07-16  nalinw: In fact if

12. .... O-O-O
13. Qc3+
and
13. ... Kb1 - Black is mated after Qc7+
13. ... Kd7 - Nxf6+ wins the Queen

Jun-07-16  CHESSTTCAMPS: Material is even in this opening position, but black has just blundered by offering a queen exchange in bad conditions. 12.Nd5! takes full advantage of the weak squares that black has created at d5 and f6, winning at least a piece:

A. 12... Nxd5? 13.Qxg4

B. 12... Qxf3 13.Nxf6+ Ke7 (13... other 14.gxf3) 14.Nd5+ Ke6 15.gxf3 leaves white a bishop up.

C. 12... Qe6? 13.Nc7+ wins the Q.

D. 12... other (except Qf5?) 13.Nxf6(+) wins

A very young Boris Spassky, I would guess...

Jun-07-16  nalinw: RIP Victor - my (and I expect many other people's) hero for his refusal to go just go away and die.
Jun-07-16
Premium Chessgames Member
  patzer2: Eleven year old Borris Spassky fell into 17-year-old Victor Korchnoi's trap and learned a lesson about the tricky in-between move (a.k.a. zwischenzug or intermezzo) with the error 11...Qg4?, allowing today's Tuesday solution 12. Nd5! xf3 13.Nxf6+ Ke7 14.Nd5+ Ke8 15.gxf3 .

Necessary instead was 11...d5 12. Nxd5 Nxd5 13. exd5 Bg2 14. Bg2 conceding a smaller White advantage.

Earlier, the computers pick 8...Bxd7 = (0.00 @ 24 depth, Komodo 8) over the game move 8...Qxd7 9. Qd3 = to (+0.35 @ 20 depth, Deep Fritz 15).

Even earlier in the opening, instead of young Spassky's 6...Bg4 allowing 7. Be2 , I prefer 6...Nc6 =, 6...Bg7 = or even 6...a6 = transposing to L Lederman vs Ivanchuk, 2014

Jun-07-16
Premium Chessgames Member
  patzer2: Sad to hear of Victor Korchoi's passing yesterday. He was inspiring, keeping his Chess skills strong and staying competitive throughout his entire life.
Jun-07-16  CHESSTTCAMPS: Yes, a very instructive game to honor Viktor Korchnoi. This includes the "fighting chance" resource (12... Kd8) that young Spassky missed against his older Leningrad rival. Obviously most of the posters (including yours truly) did as well. I agree with <patzer2> entirely - perhaps no player has gotten such good results late in his career.
Jun-07-16
Premium Chessgames Member
  gawain: Like several other solvers, I underestimated this puzzle and missed the defensive resource 12...Kd8.
Jun-07-16
Premium Chessgames Member
  kevin86: Sudden shock! Yesterday, we removed a defender and won a piece; today , we THREATEN a defender and win a piece. The knight cannot be taken on loss of the queen. The only answer: is Ke7, which alas, is impossible.
Jun-07-16
Premium Chessgames Member
  YouRang: Well, I saw <12.Nd5>, threatenting the Nf6's defense of the Q.


click for larger view

I also noticed that black's first defensive idea: <12...Qxg3> fails since white takes the N with check <13.Nxf6+>, and if the K attacks the N with <13...Ke7>, the N escapes back to d5 -- again with check <14.Nd5+>!

So white has time for a couple knight hops, still leaving time to recapture the queen. Very pretty!

In looking at black alternatives:

<12...Qh4+> fails to <13.g3>

<12...Qe6> fails to <13.Nc7+> wins Q

~~~~

I only glanced at <12...Kd8> (getting the K out of range of the N), because it appears to simply drop the N after <13.Nxf6>.


click for larger view

Unfortunately, I missed that black can get it back with a fork: <13...Qh4+!>.

It probably continues: <14.g3 Qxf6 15.O-O>


click for larger view

My engine still likes white better by about +1.40, mainly because white's development is better while black's K is kinda drafty and unable to castle.

Even if I had given more consideration to 12...Kd8, I don't think I would have guessed that white could do better than taking the Nf6, but indeed <13.Qxg4! Nxg4 13.h3> leaves black's position in shambles, despite material equality.

Then again, on Tuesdays, I don't expect to have to think so hard.

Jun-07-16
Premium Chessgames Member
  posoo: LERN TO PLAY chesse Spuskus. I kno u musta been AFRAID of da Nobbicus but DANG o MANG o SPANG is dis an embarusment!
Jun-07-16  thegoodanarchist: A surprising opening blunder from the future 10th World Champion allows 12.Nd5, where White wins a minor piece.
Jun-07-16
Premium Chessgames Member
  chrisowen: Maws d5 deaden farm ave clean out i key as won vow am ukelele kevlars teel grip dead aves waves event ados cad dash d5 deaden vamoose monarch d8 dashhelds level but way off backs d6 duffers and underdevelop i mall pan pocket que g4 gongs ash am by f3 farm ave ment an c3 clad jump cove then d5 deaden batten down then hatches nut f3 farm mend an g7 gongslev egs call an equal for fatal ash am by f3 off float ave mend d5 deaden and as won am vamoose monarch d8 dashhelds equal add bad etcs ash f4 farms mend vamoose ukelele woof fads mow wood let bush que g4 gongs ash and by f3 farm mend any it i vet ave yang vehement as won cream back foots ash belt lance core up jog on ment rev vamoose kaputz it zag ave karma vent rev mow avow auld gate heaven awe wave woof for fends off tend pots and deal lent thus pokey as hub barbeque quandry off an f3 f4 farms mend vamoose ukelele then d5 deaden as would pans event ado as won am as have gets ables f6 fanfare and one ahead ave mnoarch d8 dashhelds equal but far away as have arrears have then am rev rotor deaden deadalus have palm remember costructave as lamb man pop ok ave ogle quandry yes lance ecumen g7 gongslev egs equal then ash bah g4 gongs ash f4 arm flood vamoose then d5 deaden would pan good fanfare as won ukelele monarch d8 dahshelds and far away as have arrears am rave then core cone barbeque co order as am jas hup rump up ave ukelele then am rupture monarch d8 dashhelds and as am an far and away as have arrears by two thought pass and as have pjs moot jug mend jangle vote then d5 deaden ave for one f4 focus ash bah g4 gongs am bad an good g7 gongslev egs equal then creak at fad duffer it ergo at wave man dead try deem and deal ash am calls by and forges am path am cad an c3 cask an guffaw ash f4 arm flood and good chubb engage bask bus busk bands agog bob buggy able baste longs nab man dugouts am free and try denceat angles am band dogoods an dug as bets enter an far by for fa da fee good bad constructave 11...Qg4 glade petes out an feel ave face fane baffle g7 gongslev egs calls wag bag equal fatal ash f4 arm flood ave then d5 deaden would pan deep flow and cafe fade affect guffhead ha feel jaffees fake fale fame flap etc able wore bus teeth then quaff ebb fare fate fave waffle fence pebble peck pee peg heap jeep leep pellet pembury lane pen open eve pep ques etc tend pert pest pet pew and pewter pex peyote cactus ave bad g4 gloat grubs goods gland angles g7 gonglevs egs calls wag an vulcans teel grip ok ave ogle then equal then fatal eve vamoose as whoosh am band glock goads guffs gongs and g4 gourd glows and get bash and re as am g7 goadherd gumballs gumdrops gulloffs ave bud gufflevs getpumps gutsstop i da;
Jun-07-16
Premium Chessgames Member
  chrisowen: 12.Nd5 dash dosh hand held bad hog duck head held duff herd doghouse blues close gave jodhop i key dunkhand monarch d8 dashhelds ukelele an just duo punts behind underdevelop i mall pan pocket que bah g4 gongs and by f3 ash farm and flood bad an good g7 gongslev egs equal then am fatal eve f4 arm float vamoose head honda hood push deep drench as hads death hud douche bag washed it i vet ave then dashy doshy an c3 comp d5 dampen doveply deaden deafen dugout i vet douche bag as am va va voom um vulcans teel grip i vet devows dances doyens g7 aids doghead have good glad love luv held head enough bororugh trough hanged it ok ave ogle then dang eh ave at hung hang delve then deep as hog haggle an dence bad g4 gongs arm float vamoose free cack cobs an deep dean deaf an g7 fan dangle then equal and g4 gongs free fatal foods ave for thought honour and hope at have creed it ok ave ogle then devoured it eden ave bridge then as heavens am gate would road as event ado wood mend ave monarch d8 dashhelds then equal but cream for favour books vam bud vow band vamp bunk vehement bands kevlars teel grip ok ave ogle baulk os kind aves am bud bath as mall pan pocket que ash bah g4 gongs ash f4 float dame ave then dads hoof an f3 off for f4 float then d5 dances wads am ave goth costructave as lamb man pop ok ave ogle lake las hup dash an quoff f6 fanfare bursts want deer code plans mend as netter it ergo at wave que off bah g4 gongs ash an f3 farm an float back need it edge vent ave then craves wads mary flog re focus ave glock ravend dads hoof lesson ave choose costead do we over it ergo at wave let rev reapply am vehicles cosource papal plans mend glad cosultsand palm remember at roves d8 dashhelds and dote then am raven f6 fanfare mour batch amp fog fang leaf bang dough balls har as have gong lances bell palm remember as team up v wax a cut i curry favour va va voom duress am jaffa bled it ok ave ogle then dove pound fatals am rads mall pan pocket que good bah g4 gongs ash by am f3 farm an float ukelele lecture am an deads havened it i key ave champ as won am reclude an c3 cads am an daffy done fatal date cast figgy pud floggy fangy fungus as and ave yeah ash am goofy yoga flow and cast reburst off g4 gongs and fave fanfare mettle and rebeaten ave corunk runs and rans lamb man pop ok ave ogle then dames raven an c3 cub cabs bash blanched it ok ave ogle then dove at hobbled it edict have then devour drivest d8 dashhelds and as arrears have cream as ahead and one more;
Jun-07-16  nateinstein: <weary willy: ? 12 ... Kd8 is like your case (E) - white just plays 13 Nxf6> Then Black gets to play Qh4+ and regain the knight.
Jun-07-16
Premium Chessgames Member
  maxi: Korchnoi should pick on someone his own size, he was 17 or so they said some time ago here. So Spassky was 11 and, according to <Pall Fangi>, did not realize that the best defense was 12...Kd8, which does not lose material. Although the resulting position is a trivial win anyway for bully Korchnoi.
Jun-07-16  King.Arthur.Brazil: I agree and would repeat YouRang analysis except by ... Kd8 which I didn't see it before already. The kid Spassky is ingenious and Korchnoi ingenuous. (lgs)
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