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Roberto Grau vs Valentin Fernandez Coria
Buenos Aires (1924), Buenos Aires ARG
Bishop's Opening: Vienna Hybrid. Spielmann Attack (C26)  ·  0-1



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find similar games 2 more R Grau/V Fernandez Coria games
sac: 26...Rxh2+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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May-12-08  firstagainst: <openingspecialist>, <agmil>, I may be wrong (no computer), but 26...Nxd3 seems good for Black but not decisive after 27. Qc2:

27 ... Rxf4
28. Nxf4 Nxf4
(28 ... Qxf5 is probably worse)
29. gxf4 Qxf4
and Black is up a pawn.

27 ... Nxf4
28. Nxf4
(28. gxh4 Qg2#)
and Black has a rook for knight and pawn but White has tempo and a better pawn structure.

I wouldn't be resigning as White, but then I'm not very good.

May-12-08  firstagainst: Okay, I am wrong:
26. ... Nxd3
27. Qc2 Nxf4
28. gxf4
(I missed 28. Nxf4 Qg3)
and it's still only rook for knight and pawn but White's position looks horrible. At the very least, Black will recover the pawn soon.

Does anyone have an improvement on 27.Qc2?

May-12-08  gtgloner: Goldfarbdj tells my story, too. Nearly missed this one until I noticed that the capture of the checking knight (after black's rook sac) by white exposes an unprotected queen.
May-12-08  TheBB: Got it. Very nice one, I must admit.
Premium Chessgames Member
  Gilmoy: From earlier in the game: 11.Nh5 12.Bh6 is a truly bizarre way to trade Bishops.

Shattering Black's pawns is two-edged, as half-open g invites the obvious K-side attack. After 14..axb6 White isn't happy castling in either direction!

May-12-08  lost in space: I have no idea, why Black was not plying

12...Bxg2. After 13. Bxg7 Bxh1 we have the following position:

click for larger view

White can play 14. 000 Dh4 15. Nf6+ Ke7 16. Nxg8 Rxg8 17. Bxe5 Nxe518. Rxh1 Qxf2 19. Re1 Qxd2+ 20. Kxd2 Rg2+ 21. Kd1 Ke6 with big advantage for Black

or 14. Qh6 Qd4 15. Nf6+ Ke7 16. Nxg8 Rxg8 17. Qf6+ Ke8 18. 000 Qxf2 19. Rxh1 Qg2 20. Re1 Rxg7 with big advantage for Black.

Maybe too wild and risky.

May-12-08  lost in space: oh, I forgot to say, that after 12. ..Bxg2 13. Bxg7 Bxh1 14. Nf6+ is not possible due to 14...Qxf6 15. Bxf6 Rg1+ 16. Ke2 Nd4+ 17. Ke3 Nxc2+ 18. Ke2 Nd4+ 19. Ke3 Rxa1 and white can resign
Premium Chessgames Member
  johnlspouge: Monday (Very Easy): Black to play and win.

Material: Down a P. The Black pieces are active around the White Kh1. Arabian mate is possible because Ne5 can reach f3 (a point to be noted, as <kevin86> notes in Nimzowitsch vs A Giese, 1913), and Rh4 can play Rxh2+. The Black Qg5 pins Rf4 to the unprotected Qd2, and likewise, Rd8 pins Pd3 to Qd2.

Candidates (26...): Rxh2+

26...Rxh2+ 27.Kxh2 [Kg1 is no better]

27...Nf3+ 28.Rxf3 [else, Nxd2]


and Black has Q for R+N, with an attack and more material to come.

Premium Chessgames Member
  johnlspouge: <<MostlyAverageJoe> wrote: Hey, <UdayanOwen> good to see you again!>

Likewise, <UdayanOwen>. Obviously, your time commitments must be heavy if you are analyzing the Monday puzzles :)

May-12-08  UdayanOwen: Hi to those hi sayers and all other friends.

Regarding <johnlspouge's> comment, I'm actually on leave from uni so its giving me more time for chess! (awesome!!!!!) However, I'm getting some coaching with an Australian GM, and he's got me looking at lots of games quickly with little analysis, as a way to build up pattern recognition and positional intuition. Like, 20-50 games a day and maybe 5 minutes or less per game. I'm also playing 3 tournament games a week and any other study I do is opening preparation. So yeah, no time to analyze the killer end of week puzzles!!

I often pop in for a quick look though, and some days (like today) I can't stop myself from throwing in a little kibitz.

I see all the usual suspects are still taking care of business.

May-12-08  UdayanOwen: Oh yeah, and <mostlyaveragejoe> I'll be getting that avatar working soon :>)
May-12-08  griga262: Pretty easy. After 26...Rxh2+, it doesn't matter what White does, 27...Nf3 works either way.
Premium Chessgames Member
  kevin86: I looked for a queen sac and instead found a fork to win the queen. Material will wind up about even,but white's position is so vunerable, that he will lose something.
May-12-08  mworld: I am starting to get these much much faster. Today was probably about 20 seconds. I think the practice on that chesstactics server someone onece posted is paying off nicely!
May-12-08  YouRang: A nice little puzzle, made easier by the fact that our h4 rook is under attack.

Still, it nicely takes advantage of the pin on white's f4 rook to win the queen one way or another.

May-12-08  YouRang: BTW, 26...Ng4! is also a cute solution to the puzzle, IMO.
May-12-08  Cinco: 26...Rxh2+ leads to 27. Kxh2 Nf3+ 28. Rxf3 Qxd2

If 27. Kg1, then Nf3+ 28. Rxf3 Qxd2 29. Kxh2 Qxe2+ wins the knight and rook.


May-12-08  Cinco: Oops, 0-1. LOL!

(I guess the "preview kibitz" page is there for a reason)

May-12-08  MaczynskiPratten: <Cinco: (I guess the "preview kibitz" page is there for a reason)> And also the "remove posting" option - if you remember to copy the text before deleting, you can simply repost with the correction :-)
May-12-08  DarthStapler: Got it easily
May-12-08  wals: Roberto Grau - Valentin Fernandez Coria, Buenos Aires 1924

Analysis by Fritz 11: Depth 22/41 time 5min

1. (-7.90): 26...Rxh2+ 27.Kxh2 Nf3+ 28.Rxf3 Qxd2 29.Rf2 Re8 30.Rg1 Rxe2 31.Rxe2 Qxe2+ 32.Rg2 Qh5+ 33.Kg1 Qxf5 34.Rf2 Qxd3 35.Kh2 f5 36.b3 Kd7 37.Kh3 Ke6

2. (-3.33): 26...Ng4 27.gxh4 Nf2+ 28.Rxf2 Qxd2 29.Raf1 Qxb2 30.Nf4 Qe5 31.h3 Qxf5 32.Kh2 Re8 33.d4 Qb5 34.Ng2 Qc4 35.Rxf6 Qxd4

(, 13.05.2008)

For what it's worth, I played 26. Nf3 which was stymied by gxh4. swinging the game into white's favour.

May-12-08  234: Sunday puzzle <16. ?> May-11-08 G Laco vs M Lanzani, 1992
May-12-08  DavidD: Monday and Tuesday puzzle positions reinforce the important chess thinking process of examining ALL checks and captures in a position. Clearly White simply didn't "see" 26...Rxh2+! If he had, he would have seen the followup--calculating two moves ahead in a position isn't difficult when the moves are forced. Personally, I believe that examining all checks and captures before moving reduces a player's mistakes so much that a gain of 100 Elo points is very possible from just this one change in thinking alone!
Premium Chessgames Member
  johnlspouge: Grau got his revenge with a nice combination in their second game, V Fernandez Coria vs R Grau, 1924!!!
Premium Chessgames Member
  patzer2: For the Monday May 12, 2008 easy puzzle solution, Black's 26...Rxh2+! initiates a winning Knight Fork and pin combination. The offending Knight cannot be captured by the Rook with impunity, since doing so would expose the White Queen to capture and leave Black with a decisive material advantage.
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