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Vasyl Ivanchuk vs Istvan Csom
Yerevan (1989), Yerevan URS, Jun-??
Nimzo-Indian Defense: Kmoch Variation (E20)  ·  1-0



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Given 10 times; par: 33 [what's this?]

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Kibitzer's Corner
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Sep-08-13  mistreaver: Sunday. White to play. Insane. 11.?
Material is even. Chaos is on the board. The most obvious moves leave white in a mess. Since it is Sunday the rook or the bishop will probably be left as cannon fodder. Two most obvious moves apparently don't work: 11 Qxh5+ g6
or 11 Bxg2 Qh4+
12 Kd1 dxe6
and i would say that black is ok here
Maybe the most obvious move does work.
Let's try
11 Qxh5+ g6
12 Qh6 gxh1Q
13 Bg5 and now:
A) 13... Qa5
14 Qg7 Rf8
15 e7 is winning i think:
B) 13... Qxg1
14 Bxd8 Kxd8
and i don't see how white can make progress.
Time to see what Chucky did here.
Ahh, Qe5. Just fascinating and too much for me. Well done Vassily.
Sep-08-13  hcgflynn: Is 16. - Qxh3 playable?
Sep-08-13  Nerwal: <Is 16. - Qxh3 playable?>

No. An engine would tell you 17. ♕g8+ is bad news for black (17... ♔e5 18. ♗f4+!), but even the simple 17. ♘xh3 ♕xh2+ 18. ♘f2 is completely hopeless - material is about equal, black is underdeveloped and white still has a huge attack against a very weak black king.

Sep-08-13  DarthStapler: I got the first move
Premium Chessgames Member
  Penguincw: < DarthStapler: I got the first move >

Me too.

Sep-08-13  lost in space: <<Once> (snip) Incredible imagination to think of it in the first place, and accuracy to see the win through to the end. Way way above my pay grade. I came nowhere near.>


Sep-08-13  gofer: I saw the first 5 moves and realised that the king hunt was on if black tried to run. (I even got as far as deciding Black cannot escape on the black squares and so is forced to play Kxe6 allowing white's LSB into the game.)

But, what I failed to realise and so don't even deserve half a point is that the king hunt is only half the exercise. The queen trap has to be seen to venture down this line and I just didn't see it...

Sep-08-13  thegoodanarchist: If you had told me after move 10 that material would be even on move 19 I would have said no way.
Premium Chessgames Member
  chrisowen: Line had heads over ignoble d5 win bad addenda for,

dips pawn g2 knight facing the wall h5 knighthe,

clop in engage ship shabby gone in bag con bind,

fat inceed deeps to can knight (heals got pawn feels) h1 each find it now in sense effect get delve queen "go aka" hoofed-give 11.Qxh5+ advantage off re you have in-debating 11...g6 the merits of which become apparent bad pawn finger h5 to e5 administer the coup de grace heed my warning black pawn ie gotcha goggle e6 and g2 promo is the threatening 11...g6 cheap space burned corridor opens the way for hoofing pawn up tie a knight agreement hind sight suggests pawn g6 or in snuff him out h5 retreat back to nf6 one bad choice after another h8indeedqueen shot pays off tender is the knight heart burn for a jip see aorta I head across to verify oh door keeper light gate caged special,

request I on queen delivers the goods to the advancement 11.Qxh5+ it book in g6 a slot ok e5 dab hand h8 rook head find cornet oh must h8 room king eh evermore destined pop awkward curious d8 a eg 12...Qh4+ in court balls pinged back and forth in check beck and call up monarch ie I aim 13.Ke2 when flurry a tow in g2 have one for honey pot position favour in ignoble light wraps up head quartered aha,

13...gxh1Q be bade e5 capture h8 and check stumps up the goods king he must elevate juice left in the tank now ledge see ko in us a greed 15.Qg7+ king retakes e6 in duty ramble give banking f1 swift to the point h3 sharp intake good a flap too break lucky jack in h1 h4 at enact jot down h8 ball plan tie pooled again racking e7 cable e6 alive entomb edict rook down instead church of reason engaged a good while I ecumen 16.Bh3+ king d6 over straight d6 ate in germane Qf8+ difficult to see the rest,

skewed off racing back drill a shoot bamboo Kc7 a nest accustom for devious again good light shone over h1 prevented h2 after a cooeings 18.Bf4+ really queen off beat enter prised h4 food for thought mate in ten otherwise attacking ar c7 on cuffed in a scratched 19.Qxf4+ down graded pawn,

intercepts miss I lead-foot 19...d6 20.Rd1 shone,
Light cased based cascade d8 in h4 black queen have,

bind check bullshined of said deal in ar good jinglered pine cones eg I ment a wander over d5 look am dutiful a give h5+ enough a cooed fingers h8 key iffy oh door h1 hone said aids ear chin see bade I aced one - victor queen I back ya good h5,

moot juicy at decided h8 rook re gg I at moments good jots kings e2 e7 change angle in departure sussed give lucky aloof dig rok d1 band a lavish praise a foggy queen h4 aha clop 3h in a bit ok see lovely d1 jar he bag d6 bain a job at hand room kingc7 to be decided inceed finger g7 well fetches eg ment f8+ in hoof heffalump bind in general at he door affable d5 h5 creed hug having ebullient queen rookd1 eyes boggle d6 line light queen has one the day verificate bishop knighth3 rook and queen see off in h1 tipped the scales!

Tricky cornered queen heap of canidate nodded in h5!

Sep-08-13  The Last Straw: 15...♔d6 is a draw.
Sep-08-13  jerman88: yes, why not 17. ...kc6? Then white's game may not hold.
Premium Chessgames Member
  Jimfromprovidence: I'm trying to understand this nasty variation.

13...gxf1Q 14 Kxf1 O-O.

click for larger view

Sep-08-13  jahhaj: <jerman88: Why not 17...Kc6?> 18.Qxc8+ wins
Sep-08-13  BOSTER: <notyetagm> <This game by Ivanchuk is just absolutely brillianty. Never seen anything like it>.

I agree only with your second statement, because to find another game how Csom <silly> played here it is very difficult, this is not GM level.

Who sacr. the knight, the rook and even his king only to put the second queen on the "h1" square, without any mobility?

Premium Chessgames Member
  agb2002: White has the bishop pair for a bishop and a knight.

Black threatens 11... gxh1=Q, 11... gxf1=Q+, 11... Qh4+ and 11... dxe6.

White cannot grab a piece with 11.Qxh5+ g6 (11... Kf8(e7) 12.Bxg2 + -) 12.exd7+ because of 12... Nxd7 and the white queen doesn't have a safe intermediate check.

This suggests 11.exd7+ Nxd7 (else 12.Qxh5+ wins a piece) 12.Bxg2 and White is one pawn ahead. The question is whether there is more in the position. This leads to consider 11.Qxh5+ g6 12.Qe5:

A) 12... gxh1=Q 13.Qxh8+ Ke7 14.Bg5+

A.1) 14... Kxe6 15.Bh3+ Kd6 16.Bf4+

A.1.a) 16... Kc6 17.Qxd8 with the double threat 18.Qc7# and 18.Kf2 followed by Bg2 trapping the new queen. If 17... Qxg1+ 18.Ke2 with the double threat 19.Qc7# and 19.Rxg1.

A.1.b) 16... Ke7 17.Qxh7+ Ke8 (17... Kf6 18.e5#; 17... Kf8 18.Bd6+ and mate soon) 18.Qxg6+ Kf8 (18... Ke7 19.Bd6#) 19.Bd6+ Qe7 20.Bxe7+ Kxe7 21.Qg3 followed by Kf2 and Bg2.

A.2) 14... Kd6 15.Bf4+ Kc6 (15... Kxe6 16.Bh3+ is similar to A.1.b) 16.Qxd8 is similar to A.1.a.

B) 12... O-O 13.Bxg2 + - [B+P].

C) 12... dxe6 13.Qxh8+ followed by Qxh7+, the trade of queens and Bxg2.

Sep-08-13 De-Fence!

Insane, indeed.

Sep-08-13  devere: "15...Kd6 is a draw."

16.Qf8+ wins for White.

I saw an interview with Ivanchuk in which he claimed that it wasn't prepared analysis, he figured it all out over the board. Now that is really insane!

Sep-08-13  Marmot PFL: The most insane thing here is black's opening play. He takes too many risks, and it seems no one has tried the line since at top level.

11 Qxh5+ g6 12 Qe5 looks very strong, without trying to calculate everything.

12...gf1(Q)+ 13 Kxf1 white threatens Qxh8+ and ed7+

12...gh1(Q) 13 Qxh8+ Ke7 14 Bg5+

12...Qh4+ 13 Ke2 gf1(Q)+ 14 Kxf1 0-0 15 e7 Re8 16 Bg5 and with this powerful passed pawn on e7 white should win.

Sep-08-13  Marmot PFL: I didn't even calculate the game main line which is very calculated. I 'just assumed' that white was winning after 14 Qxh8+ Ke7 15 Qg7+ Kd6 16 Qf8+ Kc7 17 Bf4+ Qxf4 18 Qxf4 and black's original queen is stuck in the corner (where it ends up lost which I didn't see).
Premium Chessgames Member
  offramp: It is games like this that make a union in my mind between Ivanchuk & Chicatillo.

They're like twins!

Sep-09-13  Abdel Irada: Poor Csom.

All those queens: easy come, easy go.

Sep-09-13  patzer2: Can't recall a game where White initiates a winning King hunt (aka pursuit combination) with two opposing Queens on the board. Yet here we have it!

With 11. Qxh5+!! Ivanchuk forces one of the Black Queens to surrender to avoid mate and then uses a follow-up mate threat to trap the second Queen.

I didn't even come close to finding my way through the maze of complications after 11. Qxh5+!!

I could see the first five moves in the 11. Qxh5+!! variation, but after 15. Qg7+ Kxe6 had no idea how to pursue the exposed King with two Black Queens still on the board.

I would have been content to go for 11. exd7+ Nxd7+ (not 11...Qxd7+ 12. Qxh5+ or 11...Bxd7+ 12. Qxh5+ ) 12. Bxg2 Qh4+ 13. Kf1 Nf4 14. Bxf4 Qxf4 15. Qe6+ with only a slight advantage.

Tip of the hat to GM Ivanchuk for this brilliant game!

Sep-09-13  Abdel Irada: <patzer2>: Rather than 13. ...Nf4, might Black not try 13. ...Ndf6 14. Qxc5, Rf8 with counterplay? White may still stand better, but I think his margin is less than in your variation.

Sep-09-13  patzer2: <AI> In this line after 13...Ndf6 (position below)

click for larger view

White traps the Black Queen with 14. Qe5+ Kf7 15. Bg5 .

Sep-09-13  Abdel Irada: <patzer2>: Ehh, what kind of patzer are you? :-)

Yes. That does look a lot more powerful than grabbing the c-pawn.

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