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'). Torre used it to defeat then-U.S. Chess Champion in only seven moves. It was later played by the Yugoslav master Mihailo Trajkovic and the Soviet grandmaster. After decades of obscurity, the opening was revitalized by, who published a booklet and a book about it in 1992 and 1998, respectively. Orlov rechristened the opening the 'Black Knights' Tango'. Since 1992, the opening has been employed by a number of strong grandmasters, including, and.

1. Black Knights Tango

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Yermolinsky has even ventured it against. Basic 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.

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.

Black usually responds with 3.e6, although 3.d6, intending a kind of, is also possible. 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. 3.Nc3 This is White's second most popular move. After the thematic 3.e5, one possibility for White is 4.Nf3, transposing to an English Opening. Palliser recommends 4.e4 in response, while Orlov prefers 4.exd4 5.Nxd4 Bb4. Instead, the main line is 4.d5 Ne7.

Now the game may continue in 'Tango' fashion, for example with 5.Nf3 Ng6, or transpose to the King's Indian Defense with, for example, 5.Nf3 d6 6.e4 (6.Bg5!?) g6 7.Be2 Bg7 8.O-O O-O, reaching the main line of the King's Indian by transposition. Another interesting but relatively unexplored idea is 3.e6, allowing White to play 4.e4 (other moves such as 4.d5, 4.Bg5, 4.a3, 4.f3, and 4.Nf3 are also possible), whereupon Black follows up with 4.d5.

From that position, the main possibilities are 5.e5 (the main line), 5.exd5, 5.cxd5, and 5.Bg5. These possibilities can also be reached via transposition from the Flohr–Mikenas Variation of the English Opening (1.c4 Nf6 2.Nc3 e6 3.e4), although if Black wishes to play this way, the optimal move order is 1.d4 Nf6 2.c4 e6 3.Nc3 Nc6. Retrieved 2009-03-06. Palliser, p. 1957), Pitman, p. 234 (citing a 1952 game by Trajkovic). Walter Korn, (12th ed.

1982), David McKay, p. Retrieved on 2009-03-06. Retrieved on 2009-03-06. Retrieved on 2009-03-06. He explained, 'this no-name opening has languished, rarely getting even an honorable mention. I hope to change that by first highlighting the defense with a catchy name. Thus The Black Knights Tango!'

Orlov 1992, p. His 1998 book added the apostrophe after 'Knights'. Palliser, pp. Retrieved 2009-03-06.

^ Palliser, p. Orlov 1998, pp. Palliser, p. Orlov 1998, p. Orlov 1998, p. Palliser, p.

Orlov 1998, pp. ^ Palliser, p. Orlov 1998, pp. Orlov 1998, pp.

Orlov 1998, p. ^ Palliser, p.

Orlov 1998, p. Orlov 1998, p. Orlov 1998, pp. Palliser, p. ^ Orlov 1998, p.

Palliser, p. Palliser, p. Orlov 1998, p. Palliser, p. Bibliography.

Georgi Orlov, Black Knights' Tango, International Chess Enterprises, 1992. Georgi Orlov, The Black Knights' Tango: Outwit Your Opponents from Move 2!, Batsford, 1998. A Dynamic Answer to 1 d4, Everyman Chess, 2005. External links The Wikibook has a page on the topic of:. (arguing that 3. Nf3 does not prevent 3.e5).

Although fairly uncommon, the “Tango” has a sounder positional basis than most other offbeat openings: Black de ve lops qui ckl y, has a flex ibl e pawn struc ture, an d ispre - pared to strike back in the center with 3.e5, or with. The ope nin g has some dis tin ct vari a- tions but it is highly transpositional, and may transpose to the King’s Indian Defense, Nimzo–Indian Def ense, Bogo–Indian Defense, Chigorin Defense, Ragozin Sys- tem, Catalan Opening, and English Opening. Anoth er inte res ting but rel ati ve ly une xpl ored ide a is 3.e6, allowing White to play 4.e4 (other moves such as 4.d5, 4.Bg 5, 4.a3, 4.f3, and 4.Nf3 are also possibl e), where upon Black f ollow s up with 4.d5. From that po- siti on, the main poss ibi liti es are 5.e5 (the main line ), 5.ex d5, 5.c xd5, and 5.Bg 5. Thes e poss ibi liti es can also be reached via transposition from the Flohr–Mikenas Varia- ti on of th e En gl is h Op en in g (1.c 4 Nf 6 2. E4 ), al - though if Black wishes to play this way, the optimal move order is 1.d4 Nf6 2.c4 e6 3.Nc3 Nc6. 198 2), David McKay, p.

ISBN 0-679-13500-6. 6 Czerniak–Lutikov, IBM B 1968.

Ches sga mes.c om. Re- trieved on 2009-03-06. 7 Trap l–Lu tik ov, Wa rsaw Armi es Cham pio nshi p 1969. Retrieved on 2009-03-06. 8 Uhlmann–Lutik ov, Sara jevo 1969. Ch ess gam es. Retrieved on 2009-03-06.

9 He exp lain ed, “this no-nam e open ing has langu ish ed, rare ly getti ng eve n an hon ora ble menti on. I hopeto chang e that by first highlighting the defense with a catchy name. Thus The Blac k Knight s Tango! ' Orlo v 1992, p. His 1998 book added the apostrophe after “Knights”.

10 Pal liser, pp. 11 “G ar ry Ka sp ar ov vs Al ex Y er mo li ns ky, Y er ev an Olympiad 1996”. Chessgame s.com. Retriev ed 2009-03- 06. 12 Pal liser, p.

13 Orl ov 19 98, pp. 14 Pal liser, p. 15 Orl ov 1 998, p. 16 Orl ov 1 998, p. 17 Pall iser, p. 18 Orl ov 19 98, pp. 19 Pall iser, p.

20 Orl ov 19 98, pp. 21 Orl ov 199 8, pp.

22 Orl ov 1 998, p. 23 Pall iser, p.

24 Orl ov 1 998, p. 25 Orl ov 1 998, p. 26 Orl ov 19 98, pp.

27 Pall iser, p. 28 Orl ov 1 998, p. 29 Pall iser, p. 30 Pall iser, p.

Black Knights Tango

31 Orl ov 1 998, p. 32 Pall iser, p.