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Arkadij Naiditsch vs Humpy Koneru
Corus Group B (2003), Wijk aan Zee NED, rd 8, Jan-20
Russian Game: Nimzowitsch Attack (C42)  ·  1-0



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jan-04-14  Cheapo by the Dozen: My try is:

23 R(d)e1 Qxd3 (Qxe1 may be less bad, but looks losing even so)

24 Rxe8+ Kf7
25 R(1)e1 f5 (saves the f pawn but otherwise doesn't avert mate)

26 g5 Qe4
27 Nxe4 Kxe8
28 Nx6+ and
29 Nxh7


25 ... Ne5
26 cxd3 Kxe8 and the Black knight is lost.

Jan-04-14  Cheapo by the Dozen: Notwithstanding that I didn't see 28 Ng5, I think I'm going to claim success on this one. :)

Sorry about the Move 28 typo in my previous kibitz.

Jan-04-14  David2009: Naiditsch vs Koneru, 2003 White 23? Insane

I messed this one up (continuing 25.Rxb8?? met by 25...Qxf3!).

After 25.Rde1 the alternative defence 25... Ne5 fails to 26. dxe5

click for larger view

when saving the Queen with 26...Qa6 fails to exf6 and Black is in a mating net, which leaves 26...Qxf3 27. Nxf3 Kxe8 28. exf6+ winning on material.

The root cause of the catastrophe was Black's failure/inability to develop. According to Herr Fritz, Black was in trouble before 22...Qe3? but could have struggled on with 22... Nf8 23. Rhe1 Qf7 24. Rxe8 Qxe8 25. Re1 Qc8 (if 25...Qf7 26. Qa3! Nbd7? 27. Re7 trapping the Queen, which is why Qf7 was weak) 26. h6! gxh6! 27. Qe3 (not 27. Re7 Ng6 and Black is fine) 27... Qd7 28. Kb1 a5 29. Nh4 Na6 (at last!) 30. Nf5 and White has a powerful attack:

click for larger view

Here's a link to play this last position out interactively against Crafty End game Trainer After 30.Nf5 the EGT replies a4: enjoy exploring the possibilities!

Jan-04-14  mistreaver: Saturday. White to play. Very difficult. 23.?
Looking at the position, i thought, what the hell, white wins instantly by: 23 Rhe1 And black can't defend the rook and has to resign?
And after there it followed:
23... Qxd3
24 RXe8+ Kf7
And what now.
If white takes the queen he has probably even somewhat worse endgame. But then i was struck by beauty of the idea: 25 Rde1!
Does it work? The treat is R1e7 mate.
But then i saw only defence:
25 ... Qe4
26 R8xe4 dxe4
27 N(R)xe4
and white has won a pawn.
Time to check and see.
Hmm although i would like to say i nailed it, i only got part of the main variation right. I can reproach myself for 2 things: 1) For missing the move
25... Ne5 and the following refutation, already pointed out by <David2009> (to which i can thank for posting excellent analysis and interactive Crafty training positions) 26 dxe5!! and white wins.
2)For being unable to calculate things to a forced win with: 26 Nxe4 and for sealing the variation too quickly, altough i have been taught that one should follow a clear winning path when one sees one, in these puzzle positions the extra effort could often pay off.
Premium Chessgames Member
  agb2002: The material is identical.

Black threatens 23... Qxf4.

The rook on e8 can be the victim of a skewer with 23.Rhe1 Qxd3 24.Rxe8+ Kf7 25.R1e1 with the double threat 26.R1e7# and 27.cxd3 winning a rook:

A) 25... Ne5 26.R8xe5 (or 26.Nxe5+ fxe5 (26... Kxe8 27.Nxd3+ + - [N]) 27.cxd3 (27.Rxb8 Qxd2+ 28.Kxd2 Rxb8 29.dxe5 Rxb2+) 27... Kxe8 28.dxe5 with an extra pawn and the better ending)

A.1) 26... fxe5 27.cxd3 exf4 28.Ng5+ Kf6 (28... Kg8 29.Re8#) 29.Nxh7+ + - [N].

A.2) 26... Qa6 27.Re7+ Kf(g)8 28.Re8+ Kf7 29.R1e7#.

A.3) 26... Qe4 27.Rxe4 dxe4 28.Nxe4 + - [N+P].

A.4) 26... Qxd2+ 27.Kxd2 fxe5 28.Nxe5+ Kf6 (28... Ke6(7,8) 29.Nxc6+ + - [2P]) 29.Ra1

A.4.a) 29... a5 30.Ra4 Ra6 31.b4 axb4 32.Rxa6 Nxa6 33.Nxc6 with an extra pawn and a much better knight ending.

A.4.b) 29... a6 30.Ra5 Ra7 31.Rc5 Rc7 32.Kd3 again with an extra pawn and a much better ending.

B) 25... Qxd2+ 26.Kxd2 + - [R vs N].

Jan-04-14  awfulhangover: I went for 25. Rxb8 with idea 26.Rxa8 and felt smart, but it's just silly, again.
Premium Chessgames Member
  Penguincw: Wow. 23.♖he1 ♕xd3 24.♖xe8+ ♔f7 was actually right. :p I didn't like 24...Kf7, because well, the rook's gonna be won back, and well, yeah...
Premium Chessgames Member
  whiteshark: I went for the <mistreaver>, thus missing to go for the mating attack. :(
Jan-04-14  PJs Studio: Without looking I see hRe1 Qxd3 Rxe8+ Kf7 Rde1! Qe4

I'm probably dead wrong but...the mind of an armature has validity. Albeit, often wrong.

Jan-04-14  PJs Studio: Cool puzzle. In hindsight, black couldn't play 27...Kd8 because of Nxh7 and he's materially busted. But it sure beats the mating net after 27...Kf7
Premium Chessgames Member
  beenthere240: That sequence is unbelievable. Reminds me of the "those guys are good" golf commercials.
Jan-04-14  Cheapo by the Dozen: <david2009>,

There's a simpler refutation to Ne5 -- just recapture the queen. Black will then recapture the rook, and White has time to take the knight afterwards.

Jan-04-14  znsprdx: <PJs Studio:> 'armature' CUTE

Ng5 is very PRETTY - it is also an excellent example of what is called "luck" in Chess

Jan-04-14  PJs Studio: Agreed!!

Better to be lucky than smart ;)

Jan-04-14  WoodPushkin: Greetings


Naiditsch's ♘ on the town three move finale even stumped GM Koneru.

I got the start of the puzzle but it didn't occur to Me to give the Black queen for nothing. I would have at least taken/given a spite knight/check.

And while I saw the Black position was troubled I didn't know it was so busted as demonstrated by White. I'm humbled by such magnificent and awesome chess. Much to learn. This goes in the brilliancy folder for restudy. Positional master piece.

Analysis Calculation Execution' Study
JAH love

Jan-04-14  Eduardo Leon: This was a relatively easy Saturday. Black's queenside rook and knight are horribly underdeveloped, and the weakness of black's back rank invites an immediate attack using the e file as a corridor for white's rooks:

<23.♖he1 ♕xd3 24.♖xe8+ ♔f7 25.♖de1>

Threatening 26.♖1e7+. The black queen is lost anyway.


Not 25...♘e5? 26.cxd3 ♘xd3+ 27.♔c2, and white wins a piece.


Naturally, this, and not 26.♖1xe4? dxe4 27.♖xe4, and black is still alive.

<26...♔xe8 27.♘xf6+ ♔d8>

Sadly, 27...♔f7 walks into mate after 28.♘g5+. 27...♖f8+ merely transposes: 28.♖e8+ ♔f7 29.♘g5+.

<28.♖e8+ ♔c7 29.♘xd7 ♔xd7 30.♖g8>

After all the exchanges, black's only remaining pieces are her still undeveloped rook and knight! While she struggles to get them out of their cage, white will pave the way for his h pawn towards promotion.

Jan-04-14  Eduardo Leon: Sorry, I meant to say "27...♔f8 merely transposes".
Premium Chessgames Member
  LIFE Master AJ: I spent about 20 minutes on this one ... and did not come close to finding the cute little mating web. (I specifically spent several minutes looking for mates, but the final mating web, with 2-3 pieces <two, if that last ♘ gets captured> is pretty hard to find.)

I am sure that some found the solution, but anyone says, "Oh, I got this one easily," then forgive me if I am a little skeptical ... ... ...

Jan-04-14  Jack Kerouac: That white rook connection and the lone black rook undefended on the back rank would seem to warrant a close look for most of us even if we do not recognize the ensuing combination available. But when you do make the right move as in this game; N-i-c-e.......
Jan-04-14  BOSTER: This is a wrong concept that Russian Game the best way to draw. It is not easy for Black to complete his development and have fun in the opening with 5.Nc3 and
Jan-04-14  PJs Studio: I think Eduardo & LIFE master AJ make great points. I looked at it and got the answer in less than a minute. Not tough for us because everything just "made sense".. Yet AJ makes a fantastic point! I suspect that we are all geared so differently that some puzzles are harder for some people and easier for others & I'm NO life master either.

Pretty game for sure.

Jan-04-14  PJs Studio: I once studied a position intently OTB for ten plus minutes. Important swiss game too. My opponent was a fairly weak player yet he made an innocuous defensive queen move in the middle-game that threatened mate. I continued studying this massive kingside attack I was working on. Luckily I didn't have a concrete continuation on my mating attack or I wouldn't have seen the mate and defended it... But after TEN MINUTES!? I was rated 2100 at the time.

Chess blindness is something us non titled players struggle with constantly.

Jan-04-14  AnotherNN: As pointed out, after 28... Kc7 29.Nxd7 Kxd7 30.Rg8 Black can hardly defend but it's certainly not as decisive as the position arising from 28... Kf7.

Thus this suggests an alternative solution, viz. instead of 25.Rde1 - 25.RxN!? then possibly, 25...Qa6 26RxR leading up to a position where White has more material than before, though granted the win might be a little harder. Still ...

Premium Chessgames Member
  LIFE Master AJ: Addendum:

I did analyze the variation of:
23.Rhe1, QxQ/d3; 24.RxRe8+, Kf7; 25.Rde1, but thought that this was soundly refuted by 25...Ne5; OR 25...Qe4. (I never found a refutation to either move, although I never used a chess engine ... at least, not yet, anyway.)

I also (initially) thought that Black could <also> play 25...Qb5; although I did find the refutation to that move ... and rather quickly, too.

Premium Chessgames Member
  mistermac: Great game.
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