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Vadim Ruban vs Judit Polgar
PCA Qualifiers (1993), Groningen NED, rd 8, Dec-27
King's Indian Defense: Normal. King's Knight Variation (E60)  ·  0-1



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Kibitzer's Corner
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Jul-06-14  raju17: Greatest chess player lady.
Jul-06-14  Nick46: J.P. Justice of the Pieces.
Jul-06-14  sofouuk: only have rybka 2.2 on this machine, but it's genuinely impressive to see how hard it finds this puzzle. even after forcing its hand with 24...Bxf3, although it quickly finds the game continuation to 27.Kh1, it still takes its time to realise that 27...Bc5 is crushing

you do have to wonder how much judit worked out and how much of it was intuition (which only makes it more impressive, of course) - there are an awful lot of potential ways to defend

Premium Chessgames Member
  patzer2: In the final position (diagram below), it's mate-in-three or less for Black.

Vadim Ruban - Judit Polgar, PCA Qualifiers 1993

click for larger view

Analysis by Fritz 12 (30.? White to move):

1. (-#3): 30.Rxf2 Qxf2 31.Qc2 Rxd1+ 32.Qxd1 Qg2# 2. (-#2): 30.Red2 Qxh2+ 31.Kxh2 Rh7#
3. (-#2): 30.Nc3 Qxh2+ 31.Kxh2 Rh7#
4. (-#2): 30.c5 Qxh2+ 31.Kxh2 Rh7#
5. (-#2): 30.a3 Qxh2+ 31.Kxh2 Rh7#
6. (-#2): 30.Qc2 Qxh2+ 31.Kxh2 Rh7#
7. (-#2): 30.Ree1 Qxh2+ 31.Kxh2 Rh7#
8. (-#2): 30.Rc1 Qxh2+ 31.Kxh2 Rh7#
9. (-#2): 30.Rf1 Qxh2+ 31.Kxh2 Rh7#
10. (-#2): 30.Rb1 Qxh2+ 31.Kxh2 Rh7#
11. (-#2): 30.Ra1 Qxh2+ 31.Kxh2 Rh7#

Premium Chessgames Member
  Penguincw: At least I got 24...Bxf3. :)
Premium Chessgames Member
  patzer2: Even more surprising than Judit's powerful 24...Bxf3!!, in solving today's Sunday puzzle, is that such a natural positional move as 24. Nf1?? is a loser.

After all, 24. Nf1 challenges for control of the open file and brings a piece to defense of the King side. What could possibly go wrong? A brilliant move by Judit Polgar, that even the computers initially have trouble seeing, is what goes wrong for White.

Instead of 24. Nf1 ??, Fritz 12 at 20/50 depth assesses 24. Re2 = as level:

Vadim Ruban - Judit Polgar, PCA Qualifiers 1993

click for larger view

Analysis by Fritz 12 (24.?) White to move:

1. = (0.00): 24.Re2 Bc8 25.Qa4 Rf6 26.Qxa7 Rh6 27.Kf1 Rd4 28.Qc5 Qh1+ 29.Kf2 Qh4+

2. (-0.30): 24.fxg4 Rxd2 25.Re2 Rxd1+ 26.Qxd1 Rd8 27.Rd2 Rxd2 28.Qxd2 Qxg4 29.a3 Bf6 30.Qd6 Kg7 31.Kf1 Kg6 32.Qb8 f3 33.Qg8+ Kh5

3. (-0.46): 24.Qc2 Be6 25.Nb3 Bxc4 26.Na5 Bd3 27.Qf2 Bf6 28.Nxb7 Rb8 29.Rxd3 Qxf2+ 30.Kxf2 Bh4+ 31.Ke2 Bxe1 32.Kxe1 Rxb7 33.b3

Premium Chessgames Member
  agb2002: This is the position #5333 of Laszlo Polgar's "Chess. Training in 5333+1 positions".
Jul-06-14  Chris321: Ya nice puzzle,white is finish after the pawn takes back the bishop and therefore opens up the gfile,but hes also finish if he doesnt take the white square bishop,its a choice of the devil or the deep blue sea,how do you prefer to die,the best move for white was to resign after the bishop sac.
Jul-06-14  SimonWebbsTiger: is there any point in blindly spewing out Fritz 12's analysis?

Oh well, as a bit of interest, Polgar noted the following in Informator 59/605.

24. fxg4 Rxd2 25. Re2 Rxd1 26. Qxd1 Qxg4" "

24. Re2!? Be6 25. Qxb7 Re6 with the ideas Rg8 and Rh6 and attack.

She regarded 18. Bh5 as the lemon. (18. Nf3)

Premium Chessgames Member
  chrisowen: So f3 bag barter prey tell a flight across the h4 e1,

waves to fly am gleans aim cred as good game to be had in cat of nine tails hints at soluable misison choose a wave doom and boom after go bind 24.Nf1 had to try rook up ply in holy light water should,

be a drawn position have ignoble since good old h4
glory outshone rook taken out of line of fire bus

tore d8 park the darkhand at f3 bay cant take bishop since at d8 comes by downcast and black wins a piece by a cake walk gives scotch if ive got this correct can g4 faith drowns have gory end black at ear to the h4 ground devious intention jitters have introspective a lip lambast in f3 off up a bishop in return a bet as irk be a gun held to lights head king's paved flow every caution get away hood wink a huffle shuffle 8d over straight port of call sets I hope and glory old one two sucker it ala punch alive as try in band 24.Re2 maybe it mostly wise to over protect your gains pawn ahead although two bishops criss cross and shape to spoil the party as such 24.Nf1 if fiddle sticks at fanx very much naf call fan dangle a f1,

mind bind bond info ok f3 crashes in flack orange boom fan take down dot the i's and cross the t's hive a call black good bet ha f1 goof angle affable miss am borough favor in district rook queen wheel as knight fasten your seat belt in safe got fase and famish a knight foe from way down town band flap 24.Re2 about equal if fine finish re bus cross a berth in what no beef yeah be at to play effectively over a f1 elegy rain on his parade mint stub feel picks up tab me fees meet head on black d8 bess at success f3 to be decided it edges ever in supress as be welcome could have been a superb save no burden it light bad f1 big bird a d2 live in on borrow time some thod in carry the fight rub of the green f1 real resume you g4lipa family strung around as f1 d2 lap over time decided?

Sage bop just about at got a heads up free see to get inker mitigate a moot hive on see a point in absolute see ie f3 incision since at big bird looms large it now in alive no more fetch the bucket and spade to bury the h4 cadaver hope sprung g1 rind and zest pick over the queen free bone service a dynamo a d8 elli very sure but f8 too later slide away in a g8 holler up tour etc rook g8 a good clean finish under the radar then first am nit picker hank as chin elevate 8d in provokes the mistake chief bishop free focus a fetch am carry in for driver tickle a foilable mission in free the rook d8 at f3 an fare bishop,

infer tile ground a fade fee foe giant step in the coffers off tender bind aim hope change arrive cage safe got said eg bind glib call cog in back bug h4 queen catch bishop on the hop twirl around,

knights a flake spent of f3 energy rates encircle clang buddy in arms 24...Bxf3 gxf3 am sac toss off a dud bishop fricassee I aid gaffs at free since good gifts stir in fry light up safe good lance suffer on due diligence soften up a stiff free pawn fang tooth folds to fan dangle chip off the old block figure check frog march aim h4 eyes right rook bishop chalk queen and cheese off folds a bod king's at g1 flap enter riff at f1 hope favor past time an effect pang feel I ban did fan a h2 whelp band ok be told to likes 25.Qc2 wins the exchange at d1 and push a pedal you'd have swuave swung tangle on f3 aim he flags 25...Rg8 26.Nh2 Bf8+ ciao for fatefuls and fanciful dupe now hoof c5 bash cough up a piece back down the hall way nimble rallies like sidestep up across in hone at shackle 27.Kh1 Bc5 28.Re2 as or bet never batch im likely lad to collates 28.Qc2 infusion brave at bow hash to abandon queen at I f2 or double rooks a gfile d7 prepare trade down g1 and give check at e1 or donkey up in light walks the walk it worm a fine gain to be had good in cupboard it ardent in as checkers 28...Rd7 29.Na4 mate in four I free cascadence really puzzle over aim a4 too calm good and better glide back at strickens 29.Qc2 Qg3 30.Rg2 Rxd1+ black wins right radical do light oh dear to a damages spark of trouble bails at c3 tailend rook healthy soar away in deo meo live wire binder it judge of re,

you have mates at 10 in keep abreast g8 claw back as f1 king it was murder st flee in much gain for black catches chew in over gum ball rally success for her h4 him in a mate net on judges see rook among dead f1+ as rich ogle in mix again up clean win mate in four at interfers 29...Bf2 30.Rxf2 Qxf2 31.Ng4 mate in two fervious form as h7 tier affabled quibble mis too happen stance h7 as h2 square off fareyedone

Jul-06-14  Rookiepawn:

click for larger view

OK I arrived here and went for flashy 27 ... Rd2, messing it all up.

Jul-06-14  Rookiepawn: From my last diagram:

27 ... Rd2
28. Ne2 Qf2
29. Rg1 Rxg1+
30. Rxg1 Rxe2

Is this a winner or what...?

Jul-06-14  SimonWebbsTiger: @<rookiepawn>

28. Re2 is far better, in your variation, than 28. Ne2

Jul-06-14  Chris321: <chrisowen>huh,say again? :-)
Premium Chessgames Member
  patzer2: <SimonWebbsTiger> Thanks for Judit Polgar's informant analysis. After 24. Re2 and Judit's suggested 24...Be6 25. Qxb2 Rf6 , I've got to admit Black has the better of the position.

I'll take Judit's Informant suggestion of 18. Nf3 as the best idea for White to improve and avoid Black's strong attack.

Jul-06-14  Sally Simpson: Embarrassing Moment No 133 (the near miss):

When the sisters were just getting known CHESS did a 4 page spread on them.

I fired off a letter saying something like 'big deal three girls can play chess, we will probably never hear of them again. Was it worth dropping four pages of games for this article?' (or words to that effect.)

Thank Heavens B.H.Wood, the then editor, never published the letter.

hi chrisowen,

"....or donkey up in light walks the walk it worm a fine gain to be had good in cupboard it ardent in as checkers..."

I never thought of that. An excellent point.

Premium Chessgames Member
  chrisowen: <Chris123> <Sally Simpson> Har,dharma strikes twice in feng shui.
Jul-06-14  Rookiepawn: <SimonWebbsTiger: @<rookiepawn> 28. Re2 is far better, in your variation, than 28. Ne2>

True. So yes, I messed it up. Thanks.

(it's a long, long way until you get any good...)

Premium Chessgames Member
  patzer2: On a second look at Judit's suggested 24. fxg4 Rxd2 25. Re2 Rxd1 26. Qxd1 Qxg4 , I think White holds with 27. Rd2 to = (diagram below)

click for larger view

Black has the slightly better endgame with the two isolated White pawns, but it's far from a forced win for Black at this point. In any event, 24. fxg4 is surely better than the awkward 24. Re2 Fritz 12 initially calculated.

Jul-06-14  Cheapo by the Dozen: I overlooked the bishop getting to c5 in good tempo. Hence I didn't see a way to get past White's ability to cover g2 with one of the rooks (in the game line it would have been the e-rook).
Jul-07-14  SimonWebbsTiger: @<rookiepawn>

Nice thought for a Monday:

I often listen to post-match interviews with the top players of a given sport.

Federer and Djokovic played a blinder of a final at Wimbledon. It is worth remembering that they are this good, they make tennis look ridiculously easy, because of the many hours of proverbial "blood, sweat and tears" they have put in on the Circuit and the training Courts to develop their talent and skills, to be in those finals.

Jul-07-14  SimonWebbsTiger: @<patzer2>

Maybe that endgame isn't so clear after all because 27...Qxd1 28. Nxd1 allows the Knight to go to the better square d3 via f2. I would presume Judit would have kept Queens.

Checking with Fritz 12, and letting it run for 10 minutes, it actually prefers a rook move, other than 26...Rd8 (line 2 in your earlier post), to Judit's suggested 26...Qxg4. So, it seems she need not have been in a hurry to recapture the g4-pawn, thus keeping pieces and pressure.

It goes without saying Ruban was under severe pressure at the actual board and didn't have the leisurely time we have, armed with computers and software!

Jul-29-14  Ke2: White's opening seems kind of tepid. On move 15, he's simply getting pawn rollered on the the Kside without counterplay that I can see. Are there ideas I'm missing?
Nov-24-15  nummerzwei: <Ke2: White's opening seems kind of tepid. On move 15, he's simply getting pawn rollered on the the Kside without counterplay that I can see. Are there ideas I'm missing?> Well, did you notice for example that 15...h5 gives up a pawn ( and hence can be referred to as a positional pawn sacrifice [ and a diabolical one at that])? If Judit hadn't taken such drastic measures White would have grabbed 'counterplay' by walking his knight to d6 by means of either c5,Nc4 or g4,gxf5,Nde4. Then all those pawn advances Black made on the kingside might just turn out weakening.

Incidentally, this unpromising course is just what chess programs such as Stockfish recommend for Black, even today.

At the same time, other engine suggestions are quite interesting, such as 18.b4 refusing to open the h-file for black and just getting on with his own plans as outlined above [After 18...h4 Black would still have chances on the kingside], and especially 17...exf4, which eyes a wholly different type of compensation for the pawn in the form of piece play ( ...Ne5 etc.)and gets much better computer evaluations than 17...gxf4.

Does anybody know what contemporary notes (e.g. Informant) said in this regard?

Nov-11-21  Albertan: This game has been analyzed by IM Robert Ris at the following link:

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