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Rafael Vaganian vs Mark Dvoretzky
43rd USSR Championship (1975), Yerevan ARM, rd 4, Dec-??
English Opening: Agincourt Defense. Catalan Defense Accepted (A13)  ·  1-0



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Given 4 times; par: 48 [what's this?]

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Kibitzer's Corner
Sep-22-05  Raskolnikov: With 14.b4! Vaganian started a complicated combination which ensured him an exchange. Possible variations:

15...♗:d2 16.♘:f6+ gf 17.♕:d2 ♗a4 18.♕:a5 ♗:d1 19.♖:d1;

16...♘:e4 17.♗:b4 ♘c3 18.♗:c3 ♖:c3 19.♕b4 with double-attack.

Mar-05-06  patzer2: Vagainian's 14. b4! is listed as the solution to number 1235 in Chess Informant's 1980 "Encyclopedia of Chess Middlegames," and is classified as a decoy (listed as "dicoying" in this multi-language reference book).

I checked the line with Fritz 8 and it verifies White's win of the exchange for the sham sacrifice of a piece and a pawn. It's not clearly decisive, but it yields a strong and clear advantage with good winning chances.

GM Keene once posted on this site a statement to the effect that not every best move combination is necessarily a forced win. For me, this position is a good reminder of his wise maxim.

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Featured in the Following Game Collections[what is this?]
from Catalan [White] by chess.master
14. b4!
from Decoy by patzer2
Round 4, Game #31
from USSR Championship 1975 by Phony Benoni

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