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Hugo Tirard vs Alexandre Silvert
Lille (2000)
French Defense: Steinitz. Boleslavsky Variation (C11)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-06-11
Premium Chessgames Member
  kingfu: This is a typical French. Black gets good Queen side counter play. However, by doing 0-0, he gets the big kingfu.

French players need to 0-0-0. Go to the Fischer page and check out game 310 with Tal.

Jun-06-11
Premium Chessgames Member
  alligator: Great teaching position! The problem position illustrates two checkmate patterns for the price of one. Rf8 would be mate without the black bishop on e7. Then we have the two bishops (aka Boden's) mate. Plus a discovered check (mate). I will use this position in this weeks class. Already use two demo boards. The chess lessons flow better with fewer positions to set up.
Jun-06-11  gmalino: I just don't want to beleieve that NOONE went for

23.Rf7

Argh.

Can't believe everyone saw the fast and forced way.... The "squeeze the lemon" line works soooo perfectly.

Jun-06-11
Premium Chessgames Member
  benveniste: I'm not sure the Queen sac is sound here. It's certainly spectacular, and retains a likely winning advantage, but if black had played 21 ... ♗c6, I think he's in a "less bad" position than had white played the prosaic 20. ♕g4.
Jun-06-11  ceebo: Ok. I think I got over-fascinated with this game...

After 22...Nbc6 Stockfish 2.1 announces mate:

22...Nbc6 23.Rf7 Nxd4 24.Rbf1 Ne2+ 25.Kg2 Qxe5 26.Bxa8 Nf4+ 27.R1xf4 Qe2+ 28.Rf2 Bc6+ 29.Bxc6 Qxf2+ 30.Rxf2 Nxc6 31.Nxb6 h4 32.Nd5 h3+ 33.Kxh3 a4 34.Nxe7+ Nxe7 35.Rf8#

The only move that prevents immediate mate on move 22 seems to be Na6!? The difference compared to 22...Nbc6 is that it does not interrupt the bishop's protection of e8 which is badly missed in the line 22...Nbc6 23.Rf7 Bg5 (desperately trying to move the bishop) 24.Rf8+ Rxf8 25.e7+ Rf7 26.e8=Q#

The main line after 22...Na6!? is

22...Na6 23.Rf7 Bg5 24.e7 Bxh6 25.e8=Q+

Black has prevented mate but it's complete slaughter.

A better move would have been 21...Bc6 because it costs white a move in order to play 22.bxc6. I still think it's winning for white mind you.

Here is an entertaining line that I found:

21...Bc6 22.bxc6 Nbxc6 23.Nxb6 Rb8 24.Nd7!!


click for larger view

White offers two rooks knowing that he can sacrifice his knight on f6 and mate with his last two pieces! Black can avoid the mate with:

24...Rxb1+ 25.Ke2 Rb2+ 26.Kd1 Rxd2+ 27.Kxd2 Bg5+ 28.Bxg5

but White will still win.

Jun-06-11
Premium Chessgames Member
  kevin86: A deadly discovered check is in the offing if the bishop at e7 is removed...The rook check forces the bishop away...the discovered check is MATE>
Jun-06-11
Premium Chessgames Member
  takchess: <LIFE Master AJ:> <Once> You should be on the CG payroll ...

How do we know for certain he isn't?

Mooohahahahaahaaaa

Jun-06-11
Premium Chessgames Member
  playground player: M. Silvert seemed singularly blind to the threat...
Jun-06-11  stst: 23.Rf7 (Not Rf8, since Bxf8 and even if W got another Rf1, Bk retreats its B to e7 and W has no killer moves to follow) IF (A) 23... Bf8, 24.Rxf8#
(B) 23....B other moves, 24.Rf8#
(C) 23....Nd7 or Qd8, 24.Rg7#
Jun-06-11
Premium Chessgames Member
  gawain: Fantastic problem-like finish. Thank you, CG, for finding this one.
Jun-06-11  Ghuzultyy: Interesting game with a great queen sac.
23.Rf8+ Bxf8 24.e7#
Jun-06-11  chessaddict25: i don't get it?where is the white's queen to sacrifice it?
Jun-06-11
Premium Chessgames Member
  Once: <consul> The point is not so much that the queen sac is unsound, but that CG couldn't use it as a puzzle. And that is because there are stronger moves.

And to get to our pretty mating pattern, black has to play the inferior 22...Bxa4. Which means that CG.com is pretty much forced to use it as a Monday puzzle with just the last two moves to find.

But what a lot we found to talk about in a mate in 2! Let's have a round of applause for the CG.com kibitzers.

Jun-06-11  Don Quijote: this puzzle is easier than learning traps from

http://tuxedoknight.uphero.com/trap...

=/

Jun-06-11
Premium Chessgames Member
  David2009: H Tirard vs A Silvert, 2000 postscript: <Once: Let's have a round of applause for the CG.com kibitzers> Starting with ceebo: <ceebo: [snip] After 22...Nbc6 Stockfish 2.1 announces mate> Thanks! The Stockfish line duly beats the EGT (give or take a few transpositions of defensive sacrifices).
Jun-06-11  scormus: <Let's have a round of applause for the CG.com kibitzers.> I'll go with that. The analyses of the move leading up to the puzzle position is most interesting, certainly more interesting than the puzzle itself.

Even though the Q-sac wasnt sound - I'm sure it was not - its the move I'd have wanted to play in a match and certainly would have in a bar game.

Jun-06-11  tovoltaire: I found a win against Crafty after Rf7! Nxd4 then I did Rbf1 and Crafty did Nf2+ and after Kg2 Black is still in danger of being mated and cannot hold onto his loose pieces or take advantage of mine!
Jun-06-11
Premium Chessgames Member
  patzer2: Black's game started to go down hill after 11...a5?!

Instead, Black can equalize after 11... b5 12. Nc5 Nxc5 13. bxc5 b4 14. cxb4 Nxb4 15. Bd2 Rb8 16. Rb1 Nc6 =.

However, in three games in the Opening Explorer with 11...b5, White won all three, including G Rechlis vs Korchnoi, 1988, J Noomen vs F Bendig, 2004 and E Shaposhnikov vs D Ayupov, 2007.

Black can improve over these results with 11...b5, but my own preference would be to look for an earlier improvement.

Instead of 7...Qb6 which seems to me to potentially restrict Queen side pawn development which Black might need in the French defense, I prefer the more popular options 7...Be7 as in Bologan vs D Andreikin, 2011, 7...cxd4 as in N Murshed vs Vallejo-Pons, 2011 and 7...a6 as in Shirov vs D Andreikin, 2010.

By the time we get to the demolition sham sacrifice 17. Nxf7! Black has been busted for several moves already, and though esthetically pleasing White can also win just as easily with the simple 17. fxe6, when play might continue 17...fxe6 18. O-O Nxb5 19. Rxb5 Bxb5 20. Nxe6 Qb7 21. Bxd5 Nc6 22. Nb2 a4 23. Nxc4 Rc8 24. Qg4 h6 25. Be4 Bxc4 26. Bg6+ Kd7 27. Nc5+ Kd8 28. Nxb7+ .

Jun-06-11  pferd: Check (there's only one). Check again (there's still only one). Whoops, it's mate.
Jun-06-11  MountainMatt: Very easy indeed (but still took me the better part of a minute to see it!) - 23. Rf8+ Bxf8 24. e7#
Jun-06-11  wals: Rybka 4 x 64

Looking good 12.b5 0.32.

12...Na7 4th best, -3.

14...Nb8 not in top five -5.

15...Bd7 not in top five -5.

17.Nxf7 3rd best -2.

17...Kxf7 3rd best -2.

19.fxe6 4th best -3.

20.Bxd5 not in top five -5

21.Bh6 2nd best -1.

22...Bxa4 not in top five -5

Score Black 20. White 11.

Black resigned after 23.Rf8+. +#2.

Jun-06-11  newzild: An elegant queen sac by Tirard.
Jun-06-11  WhiteRook48: 23 Rf8+ Bxf8 24 e7# this is so obvious
Jun-06-11  M.Hassan: Ratt Boy: Agreed, 9....b5 wins little one. Thanks
Jun-08-11  njchess: I think Viktor Korchnoi put it best when it comes to playing Black in the French Defense - first you must defend, then you must attack.
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