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Rauf Mamedov vs A R Saleh Salem
Qatar Masters (2014), Doha QAT, rd 7, Dec-02
Vienna Game: Mieses Variation (C26)  ·  0-1



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-23-15  morfishine: <42...Rxd5> is decisive threatening 43...Rd2+

If 43.exd5, then the other rook gets to the 2nd rank 43...Re2+ with the same threat


Dec-23-15  gofer: Today, <42 ... Rxd5> ticks all the right boxes... threatens Rd2+ and Qe5+ and Re2+

43 exd5 Re2+ mating

43 Ra3 Rd2+ mating

43 Rad1 Qe5+ mating

43 Rfd1 Qe5+ mating

The only vaguely sensible defence seems to be...

<43 Rf2 ...>

Which loses a rook immediately.

<43 ... Qe5+>
<44 Kg1 Qxa1+>

Do we need to go further?! Probably not...

<45 Rf1 Rd1>
<46 Qc4 Rxf1+>
<47 Qxf1 Qxf1+>
<48 Kxf1 f6>

click for larger view

The bishop is never going to get a look in, because playing e5 at any point in time is going to lose a pawn, giving black a R+2P advantage...



Premium Chessgames Member
  watwinc: <Fizzy> Thank you - the Rf1 simply disappeared from my mental board, I saw Qg3+, “escaped” with Kf1 …
Dec-23-15  Coriolis: I thought the move was 42... Nf5 with the threat of 43... Qg3#. Any advice?
Dec-23-15  nalinw: Talk about a present from Santa - I am 0 for 3 this week - or ?? for 3 if I claim something for my secondary solution on Monday.

If 42... Nf5 I suppose White has
43. Rg1 and will bring the other Rook over to e1 the next move.

Dec-23-15  diagonalley: <diagonalley>: nul points :-(
Premium Chessgames Member
  whiteshark: <42...Rxd5!>, and that's it!
Dec-23-15  roentgenium: Saw 42...Rxd5 as a 'safe' pawn win, but like <al wazir>, I did not notice the Rook fork tactic and thus couldn't work out how to obtain further advantage after 43.Rf2.
Dec-23-15  garrido: Witches of Salem or Chess of witches
Dec-23-15  DLev: 42 ... Rxe4? 43 Bxe4 Rxe4? Has a nice idea of threatening a mating attack beginning with checks on 2 different squares, but white mates first with 44 Ra8+ and 45 Rf7+. 42 ... Rxd5! has the double threat without the flaw.
Dec-23-15  Cheapo by the Dozen: I didn't work through all the variations.

I just saw that at worst ... Rxd5 snatched a pawn, since White had to try passive defense, and no alternative for Black was similarly promising.

Dec-23-15  nosh: What's best against Qe1 as a defense? My line is 42: ... Rxd5 43: Qe1 Rd2 44: Rf2 Qf4 45: Kg1 Qg3 46: Bg2 Nf3 47: Kf1 Nxe1. Not using a board or engine so could be flawed.
Dec-23-15  CHESSTTCAMPS: Black has an active knight against a bad bishop, with material otherwise even. The white king is poorly protected, trapped on h2 by the black queen, with a pawn shelter of one. Black only needs to deliver a lateral check to finish.

42... Rxd5! opens two avenues of attack, leaving white defenseless:

A.43.exd5 Re2+ forces mate.

B.43.Rad1 Qe5+! 44.Kg1 Qg3+ 45.Bg2 Qxg2#

C.43.Rf2 Qe5+ 44.Kg1 Qxa1+ 45.Rf1 Rd1 is the simplest win

D.43.other Rd2+ wins

Dec-23-15  saturn2: I got Rxd5 winning a pawn and threatening some nasty things. So I feel a bit conforted after spending two much time for the monday puzzle (although finally solving it) and posting the plunder Bxc6 as an option on the yesterday thuesday.
Premium Chessgames Member
  kevin86: Black's rook (either one) will penetrate to white's second row and will force mate.
Premium Chessgames Member
  Jimfromprovidence: <Nosh> <What's best against Qe1 as a defense? My line is 42: ... Rxd5 43: Qe1 Rd2 44: Rf2 Qf4>

I had this same line except for 44...Qf4. I had either 44...Qe5+ or 44...Red8, below.

click for larger view

Dec-23-15  TheaN: Interesting Wednesday, in the sense that after the first move, black has a very clear threat but also a hidden one.

After 42....Rxd5, obviously pinning white to the defense (literally, for Pe4) as the rook cannot be taken and black threatens the obvious 43....Rd2+. However, it's the hidden threat that makes a regrouping move like 43.Rad1 useless: black just vacanted e5, hence 43....Qe5+! is the true threat that ends it all.

Dec-23-15  stst: < According to Deep Fritz 14, 42...Rxd5 forces mate in 29 moves.>

Again, engines differ. Nice to see how White can delay mate until 29 moves later.

Granted this, POD would lose interest for such a long trial, because, again, it would lose beauty as well... (Well, of course, beautfy is in the eyes of the beholder!!)

Dec-23-15  schachfuchs: Got 42...Rxd5, but didn't see the rook win after 43.Rf2 Qe5+, not talk about the mate in 29 ;-)
Dec-23-15  Marmot PFL: 42...Rxd5, about 1 minute and a few seconds to find, couldn't see a good defense for white.
Premium Chessgames Member
  thegoodanarchist: < agb2002: ...

D) 43.Rf2 Qe5+ 44.Kg1 Qg3+ >

This line is not clear after 45.Bg2

I prefer <gofer>'s line:

<gofer: ...The only vaguely sensible defence seems to be...

<43 Rf2 ...>

Which loses a rook immediately.

<43 ... Qe5+>
<44 Kg1 Qxa1+>>

Dec-23-15  Coriolis: I still think 42. Nf5 is not a bad move, albeit not as good as the model answer. Prove me wrong.
Dec-23-15  sfm: <Coriolis: I still think 42. Nf5 is not a bad move, albeit not as good as the model answer. Prove me wrong.> How is 43.RxN, e.g. 43.-,gxR 44.Rg1 for a proof? ;-)
Premium Chessgames Member
  agb2002: <thegoodanarchist: < agb2002>> Yes. Taking the rook is much better and simpler than pursuing a direct attack against the white king, as pointed out by gofer and CHESSTTCAMPS.

Sometimes it's difficult not to focus on just one side of the board!

Dec-25-15  Coriolis: <sfm> Thanks for your answer. Proof enough.
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