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Albert Blees vs Francisco Vallejo Pons
Capablanca Premier 2 (1997), Havana CUB, rd 1, May-05
French Defense: Tarrasch. Closed Variation (C05)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Sep-01-17  Strelets: <diagonalley> I'm having that problem too.
Sep-01-17  Cybe: I think, 22... N:e5 is giving chances for Black to draw.
Sep-01-17  Altairvega: I thought of the Rook theme week and i found the 23 Rg5+ pushing the black King in to the corner. Then the white Queen goes off the threat and continues the attack ..
Sep-01-17  Cheapo by the Dozen: I went with a different plan, which I now think doesn't work.

23 Qb3+ Kh8 (I overlooked the ... Kg7 alternative) 24 Bg5 Qxh5
25 Bf6+ Nxf6
26 Rxh6 Nxh5

White has now "won" the queen for three pieces. The goal is now to win a piece back with a double threat, one leg of which is

Nxf2 Rx2
Qxd4+

But 27 Qb4 fails to ... Kg8, and would be totally pointless if Black had played 23 ... Kg7.

And while 27 Qd5 looks good in the 23 ... Kh8 case, it doesn't seem to work either if Black had played 23 ... Kg7.

Sep-01-17  7he5haman: What about 16...Bxf2+? I guess Black becomes too weak on the dark squares...
Sep-01-17
Premium Chessgames Member
  morfishine: I figured <23.Qc4+> initiated a fatall Queen invasion via <e6>

I didn't think White could play 23.Rg5+ due 23...Qxg5 24.Bxg5 <24...dxc3>

Very nice attack by White

Oh well, Fantasy Football is upon us!

Let the games begin!

*****

Sep-01-17
Premium Chessgames Member
  patzer2: For today's Friday puzzle (23. ?,) I quickly found the in-between move (a.k.a. zwischenzug) tactic 23. Rg5+! +- (+16.04 @ 29 depth, Stockfish 8.)

However, after the expected 23. Rg5+! Kh8 I struggled to decide on a follow-up move as White has at least five winning 24th move alternatives:

( [Stockfish 8 64] 32:+15.55 <24.Qb4> Be3 25.Bxe3 dxe3 26.Qe7 Qxg5 27.Qxg5 e2 28.Kg1 Rg8 29.Qe7 Rg7 30.Qe8+ Rg8 31.Qxe2 Nf8 32.Qe5+ Rg7 33.Qe8 Rg8 34.Nf6 Rxg2+ 35.Kh1 Bd7 36.Qxa8 Bc6 37.Bf7 Rf2+ 38.Kg1 Rg2+ 39.Kf1 Kg7 40.Bd5 Rg5 41.Bxc6 Rf5+ 42.Ke2 Rxf6 43.Qxb7+ Kh6 44.Rg1 Re6+ 45.Be4 Ng6 46.Kd3 a6 47.Rg3 Rd6+ 48.Kc2 Re6 49.Rh3+ Kg5 50.Rxh7 Re5)

( [Stockfish 8 64] 32:+10.14 <24.Qd3> b6 25.Qe4 Bb7 26.Qe7 Rg8 27.Bf4 Rxg5 28.Bxg5 Qxh5 29.Bf6+ Nxf6 30.Qxf6+ Kg8 31.Nh6+ Qxh6 32.Qxh6 Rf8 33.Qg5+ Kh8 34.Qe5+ Kg8 35.Rf1 Rf7 36.Rxf2 Rxf2 37.Qg3+ Kf7 38.Qxf2+ Ke6 39.Qxd4 Bd5 40.Qg7 Kd6 41.Qxh7 Bxa2 42.Qxa7 Bd5 43.Qxb6+ Ke5 44.Qc5 Ke6 45.b4 Ke5 46.Qc3+ Ke6 47.Qc8+ Ke5 48.Qc7+ Kd4 )

( [Stockfish 8 64] 32:+4.33 <24.Qb3> Be1 25.Qd3 Bxd2 26.Qxd2 Nf6 27.g3 Qxh5 28.Rxh5 Nxh5 29.Qxd4+ Ng7 30.Nf6 Be6 31.Nh5 Rg8 32.Re1 Rad8 33.Qf6 Rdf8 34.Qh6 Bd5+ 35.Kg1 Nxh5 36.Qxh5 Bf7 37.Qf3 Rg6 38.Qxb7 a6 39.Rf1 Kg8 40.b3 Re6 41.Qf3 Rg6 42.Rf2 Re6 43.Qg4+ Rg6 44.Qf5 Re6 45.h4 Re1+ 46.Kg2 Ree8 47.Qd3 Bg6 48.Qc4+ Kg7 )

( [Stockfish 8 64] 32:+4.29 <24.Qa3> Be1 25.Qd3 Bxd2 26.Qxd2 Nf6 27.g3 Qxh5 28.Rxh5 Nxh5 29.Qxd4+ Ng7 30.Nf6 Be6 31.Nh5 Rg8 32.Re1 Rad8 33.Qf6 Rdf8 34.Qh6 Bd5+ 35.Kg1 Nxh5 36.Qxh5 Bf7 37.Qf3 Rg6 38.Qxb7 a6 39.Rf1 Kg8 40.b3 Re6 41.Qf3 Kg7 42.Rf2 Rg6 43.h4 Kg8 44.Kh2 Rg7 45.Qf6 Rg6 46.Qe7 Rg7 )

( [Stockfish 8 64] 32:+3.75 <24.Qc4> Be3 25.Nxe3 Qxg5 26.Qxd4+ Nf6 27.Rf1 Be6 28.Ng4 Qd5 29.Qc3 Qxd2 30.Qxd2 Nxh5 31.Qd4+ Ng7 32.Nf6 Rad8 33.Qh4 Bg8 34.Kg1 Rd6 35.Nxg8 Rxf1+ 36.Kxf1 Kxg8 37.Qc4+ Ne6 38.Qc8+ Nd8 39.Qb8 Rd1+ 40.Kf2 Rd2+ 41.Ke3 Rd7 42.Qxa7 Nc6 43.Qc5 Kf7 44.Kf4 Kg7 45.Qg5+ Kh8 46.Qf6+ Kg8 47.Qe6+ Rf7+ 48.Kg3 Kf8 49.Kg4 Rg7+ 50.Kf3 )

My pick for the follow-up to today's puzzle solution 23. Rg5! Kh8 was the weakest of these winning alternatives with 24. Qc3 +-.

Strongest of course is the game move 24. Qb4! exploiting the weak dark squares, paralyzing Black's undeveloped pieces, and giving White a tactical field day with open lines of attack against the exposed Black King position.

P.S.: For an early Black improvement, instead of 10...f6 11. exf6 ⩲ (+0.37 @ 29 depth, Stockfish 8,) I prefer the computer choice 10...Qb6 = (+0.00 @ 33 depth, Stockfish 8) as in Black's win in G Guseinov vs F Vallejo Pons, 2014.

Sep-01-17
Premium Chessgames Member
  patzer2: <morfishine> Though I question the wisdom of FSU's athletic director in scheduling so tough an opponent for a first game, I'm looking forward to seeing FSU vs. Alabama on TV tomorrow night at 7:00 PM CST (8:00 PM EST.)

P.S.: Didn't realize Alabama fans could be so "enthusiastic" in support of their team. The coaches and team members on both teams are being extremely polite to one another, but for some of the more vocal fans it's an entirely different situation.

Alabama fans certainly have no great affection for ACC teams, especially since Clemson defeated them for the National Championship earlier this year and FSU defeated Alabama the last time these teams played in 2007.

Sep-01-17
Premium Chessgames Member
  rodchuck: <diagonalley><Strelets>If you are using firefox, this is no longer supported by java, so all viewers except pgn4web no longer work. A real nuisance, but not all advances in life are positive....
Sep-01-17  mel gibson: I didn't see it.

the computer - DR4 64 bit - says:

23. Rg5+ (23. Rg5+ (♖e5-g5+ ♔g8-h8
♕c3-b4 h7-h6 ♘g4xh6 ♗f2-g3 ♖g5xg3 ♕h4-f6 ♘h6-f7+ ♖f8xf7 ♖g3-f3 ♕f6-b6 ♕b4xb6 ♘d7xb6 ♗h5xf7 ♗c8-g4 ♖f3-f4 ♗g4-e2 ♖a1-c1 ♖a8-c8 ♖c1xc8+ ♘b6xc8 ♖f4xd4 ♔h8-g7 ♖d4-d7 ♗e2-a6 ♖d7-c7 ♘c8-b6 ♗f7-c4+ ♔g7-f6 ♗c4xa6) +9.21/15 174)

score for white +9.21 depth 15

Sep-01-17
Premium Chessgames Member
  malt: I had tried
23.Qc4+ Kh8 24.Qb4! Rg8 25.Rf5 Ne5 26.R:e5 B:g4

23.Qb3+ Kh8 24.Rg5 Be3 25.B:e3 de3 26.Qc3+ Nf6 27.N:f6 Q:g5

23.Rg5+ Kh8 (23..Q:g5 24.Qc4+)
24.Qb4!(24.Qa3 Be1 ) 24..h6 25.N:h6 Be1
26.Nf7+ R:f7 (26..Kh7 27.Qd6 )
27.B:f7 is best

Sep-01-17  Strelets: <rodchuck> I've tried three different browsers (Chrome, Safari, Firefox) and I get the same error on each one.
Sep-01-17
Premium Chessgames Member
  chessgames.com: If anybody is having the <chess viewer not defined> error please choose your chess viewer from the pulldown menu under the board diagram that looks like this:

<PGN Viewer: ________ [What is this?]>

We are experimenting with a new better viewer and in our haste accidentally eliminated two of the oldest and most venerated viewers. Our sincere apologies, but everything is returned to normal.

In a few weeks (maybe days) we'll be offering the new choice which is called the "Olga Chess Viewer" we hope that people find it more powerful, faster, and easier to use than the old Chess Viewer Deluxe, and far more functional than the current default "pgn4web."

All previous options that we have had will remain (except for the typographical error that caused today's commotion), so if you don't like the new upcoming product we will not force you to change.

Sep-01-17
Premium Chessgames Member
  kevin86: Nice attack.but it is biased!
Sep-01-17  Strelets: Thanks, <chessgames.com>! I'll be giving Olga a try when she's up and running.
Sep-01-17  ninja warrior: I'd have preferred the artistic finish 28.Qf8+ Ng8 29.Bf6# =D
Sep-01-17  skemup: morfishine 23.Rg5+ 23..Qxg5 24.Q checks
Sep-01-17  ChessHigherCat: This reminds of a game Jakob Murey showed me where he sacrificed two rooks in a King's Gambit to get his knight to f6 for an unstoppable Arabian mate, except here it's even more complicated because to parry the Arabian mate white has to play BxN which leads to mate in 1.

Conclusion: too hard for a Friday!

Sep-01-17
Premium Chessgames Member
  Jimfromprovidence: FWIW, there is a pleasing alternative solution that forces black to lose his queen after the forced 25 Rxg8 Kxg8.


click for larger view

White follows with 26 Nh6+, then black must play 26...Kh8, as 26...Kg7 loses the queen to a knight fork.

However, white still wins the queen after 27 Bg5, below.


click for larger view

The wow factor comes in if black does not give up the queen by taking the black bishop, losing the queen to a knight fork, but instead tries to save the queen with 27...Qe4 (used here, or with 27...Qxh5).

White now mates using a queen sacrifice, 28 Qf8+ Nxf8 29 Bf6#.


click for larger view

Sep-01-17  BxChess: Regarding the viewer problem. I use Chess Viewer Deluxe and all week the right hand edge has been truncated so that the Black moves beyond 20 are not displayed. Somehow the viewer window has been hidden by the right hand border that is alligned with the header window beneath the board.
Sep-01-17
Premium Chessgames Member
  morfishine: <patzer2> Well, for years my Gators have opened with at least 1 "cupcake", usually 2. But this year we open vs Michigan and we have 10 players out on suspension. So I gotta wonder who made that scheduling decision

Alabama fans are as rabid as they get

<Jimfromprovidence> Very nice post, a startling line

*****

Sep-01-17  wtpy: Cheapo, I got to 28 Qd5 and thought I'd found the answer and it astonishs me that 23..Kg7 doesn't lose to 24 Bh6+ but it may not and I have spent more than a Friday amount of time on this puzzle.Moral: when you just can't find the answer always look for the zwischenzug.
Sep-01-17  wtpy: Wild game.
Sep-01-17  wtpy: Jim, I agree with morfishine. Great line.
Sep-02-17  Arconax: Complicated business, folks! Complicated business.

I would have played 22..Nxe5 in an instant, So..wrong!

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