After the thematic 3.e5, one possibility for White is 4.Nf3, transposing to an English Opening. 3.Nc3 This is White's second most popular move. After 3.e6, White can play 4.Nc3 Bb4 (transposing to the Nimzo–Indian Defense) 4.a3, when Black can either play 4.d5 (reaching a kind of Queen's Gambit Declined or Ragozin System), or 4.d6 preparing 5.e5 or even 5.g6 ('championed by Bologan', according to Palliser), reaching a sort of King's Indian Defense or 4.g3, when Black can transpose to the Catalan Opening with 4.d5, recommended by Palliser or 4.Bb4+, preferred by Orlov, which transposes to a Nimzo–Indian after 5.Nc3, or to a Bogo–Indian Defense after 5.Bd2 or 5.Nbd2. Black usually responds with 3.e6, although 3.d6, intending a kind of, is also possible. The opening has some distinct variations but it is highly, and may transpose to the, and.Possible continuations 3.Nf3 The most common move, preventing 3.e5. Yermolinsky has even ventured it against.īasic ideas Although fairly uncommon, the 'Tango' has a sounder positional basis than most other offbeat openings: Black develops quickly, has a flexible, and is prepared to strike back in the center with 3.e5, or with.e6 and.d5. Orlov rechristened the opening the 'Black Knights' Tango'.Since 1992, the opening has been employed by a number of strong grandmasters, including. It was later played by the Yugoslav master Mihailo Trajkovic and the Soviet grandmaster.After decades of obscurity, the opening was revitalized by the, who published a booklet and a book about it in 19, respectively. History The opening originated in the 1920s, when it was played by both the (hence the name 'Mexican Defense') and the American (the 'Kevitz' in 'Kevitz–Trajkovic Defense').
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