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Gerardo Fabián Barbero vs Lutz Espig
Kecskemet (1987)
Tarrasch Defense: Classical. Bogoljubow Variation (D34)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Feb-11-18  mel gibson: I didn't see that but Stockfish 8 agrees
with the first few moves:

19. Nxd5 (19. Nxd5
(♘c3xd5 ♖d8xd5 ♕g4-e6 ♖f7-e7 ♕e6xd5 ♖e7xe3 ♕d5xc4 ♕a5-b6 ♗g2xc6 b7xc6 ♔g1-h1 ♕b6xd4 ♕c4xc6 ♕d4-e5 b2-b3 ♔h8-h7 ♕c6-c2+ ♔h7-h8 ♕c2-c8+ ♔h8-h7 ♕c8-f5+ ♕e5xf5 ♖f1xf5 ♖e3-e2 ♖c1-c7 ♔h7-g6 ♖f5-a5 ♗f6-d4 ♖a5-a4 ♖e2-e1+ ♔h1-g2 ♖e1-e2+ ♔g2-f1 ♖e2-f2+ ♔f1-e1 ♗d4-b6 ♖c7-c6+ ♖f2-f6 ♖c6xf6+ ♔g6xf6 ♖a4-f4+ ♔f6-g6 ♖f4-f1 ♔g6-h5 ♔e1-e2 g7-g5 ♔e2-f3 a7-a6) +3.64/33 106)

score for White +3.64 depth 33

Feb-11-18  wtpy: Got this one really quick. Had game line through 24 Qd7 Kh8 but then went with 25 Qc8 which picks up second pawn and consolidates position well enough to secure win, even if not quite as good as Rf1.
Feb-11-18  Cheapo by the Dozen: Oddly backward week. I think I blundered both Monday and Tuesday, but I solved later days easily.

The idea here is

19 Nxd5 Rxd5
20 Qe6

forking the rooks. The only defense for Black is

20 ... R(either)d7
21 Qe8+ Kh7
22 Be4+ g6
23 Rxf6

White now recovers the piece with tempo, has pocketed a pawn, and has an ongoing attack to boot.

Feb-11-18
Premium Chessgames Member
  patzer2: My attempt at today's Sunday (19. ?) puzzle was 19. Qh5 +- (+3.62 @ 32 ply, Stockfish 8) which is surely as good as the game move 19. Nxd5 +- (+3.42 @ 32 ply, Stockfish 8).

One crushing line with 19. Qh5 is 19. Qh5 Rfd7 20. Rxf6! gxf6 21. Qxh6+ +- (+7.91 @ 28 ply, Stockfish 8).

P.S.: For an early Black improvement, our Opening Explorer indicates 11...Qa5 12. e3 ⩲ to = (0.33 @ 28 ply, Stockfish 8) has not worked out well for the second player as White won both games in which it was played. Black has done much better with the popular move 11...h6 = (+0.10 @ 28 ply, Stockfish 8) as in Saidy vs H Pfleger, 1973.

Feb-11-18  AlicesKnight: I found the main route in, though underestimated the power of 23.Rxf6. Unusual for me to get this far. A decisive 'won game'.
Feb-11-18
Premium Chessgames Member
  malt: Gone for 19.Qh5
with a double threat on f7 and d5
(19.Qe6? Re7)
19...Rfd7 20.R:f6 gf6 21.Q:h6+ Kg8 22.Q:f6
Feb-11-18
Premium Chessgames Member
  agb2002: The material is identical.

Black's castle and d-pawn look weak, and the rook on f7 is defenseless. These details suggest Qh5, Qe6 and Nxd5.

In the case of 19.Nxd5, to remove the defense of Black's back rank and e4:

A) 19... Rxd5 20.Qe6

A.1) 20... Rdd7 21.Qe8+ Kh7 22.Be4+ g6 23.Rxf6 Rxf6 (due to Rxg6) 24.Qxd7+ wins a pawn and looks very good for White.

A.2) 20... Rfd7 21.Qe8+ Kh7 22.Be4+ g6 23.Qxg6+ Kh8 24.Qxh6+ Kh8 (24... Rh7 25.Qf8#) 25.Rxf6, with the double threat Rf8# and Rg6+, looks winning.

B) 19... Qxa2 20.Nxf6

B.1) 20... Rxf6 21.Rxf6 gxf6 22.Qg6, with the threats Qxf6+, Qxh6+, Be4, Rf1, etc., looks winning.

B.2) 20... gxf6 21.Qg6 loks very good for White. For example, 21... Rdf8 22.Qxh6+ Kg8 (22... Rh7 23.Qxf8#) 23.Bd5 wins decisive material.

-----

19.Qe6 is met with 19... Re7.

-----

19.Qh5 Rfd7 20.Rf5 Nb4 21.Rxf6 gxf6 22.Qxh6+ Kg8 (22... Rh7 23.Qxf6+ and 24.Qxd8 wins a bishop and two pawns) doesn't seem to be as strong as 19.Nxd5.

-----

I think I'd play 19.Nxd5.

Feb-11-18
Premium Chessgames Member
  Richard Taylor: I did consider the first few moves but gave up after Qe6.

The insane ones to hard for me...

Very good attack by White!

Feb-11-18  Grandma Sturleigh: I found this one rather easy for a Sunday (my analysis stopped at 24. Qxd7+ "and wins"). The defender has very few choices and no counterplay, so I wouldn't classify this puzzle as "insane".
Feb-11-18
Premium Chessgames Member
  malt: I had gone for 19.Qh5
a continuation from my earlier post is 22...Rd6 23.Qg5+ Kh8 24.Rf1 R6d7 25.Rf4 Rg7 26.Qh6+ Kg8 27.B:d5+ R:d5 28.Qe6+ Kh7 29.N:d5 Qe1+ 30.Kg2 Qe2+ 31.Kh3 Obviously 19.N:d5! is quickest route,
and a very good attack, which I missed.
Feb-11-18
Premium Chessgames Member
  chessgames.com: According to Stockfish, 19.Qh5 is a wee bit more accurate. (analysis of move 19.?)
Feb-11-18
Premium Chessgames Member
  whiteshark: I didn't realize how fragile the ♖d7-♖f7 connection was. <23.Rxf6!> was a real eye-opener.
Feb-11-18
Premium Chessgames Member
  malt: <CG> Thank you for your analysis !
Feb-11-18  Everett: 19.Qh5 and Blacks position is collapsing
Feb-11-18
Premium Chessgames Member
  Breunor: I had the same line as Patzer2 19 Qh5 Rfd7 20 Rxf6. Makes me feel good since I usually struggling with Wednesday puzzles! although the actual game sequence is apparently better.

Good to see a great game by Barbero who tragically died too young.

Feb-12-18  njchess: Saw this one right away. The only decision was to NOT retake with the bishop.

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