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  2. Two-barred cross - Wikipedia

    en.wikipedia.org/wiki/Two-barred_cross

    Version of the Cross of Lorraine. A two-barred cross is similar to a Latin cross but with an extra bar added. The lengths and placement of the bars (or "arms") vary, and most of the variations are interchangeably called the cross of Lorraine, the patriarchal cross, the Orthodox cross or the archiepiscopal cross. [1]

  3. Flexible defense - Wikipedia

    en.wikipedia.org/wiki/Flexible_defense

    A section of the Mannerheim Line. The flexible defense is a military theory about the design of modern fortifications.The examples of "flexible" defense-lines (Mannerheim Line, Árpád Line, Bar Lev Line) are not based on dense lines of heavily armed, large and expensive concrete fortifications as the systems such as the Maginot Line were.

  4. Cross of Lorraine - Wikipedia

    en.wikipedia.org/wiki/Cross_of_Lorraine

    The Cross of Lorraine (French: Croix de Lorraine), known as the Cross of Anjou in the 16th century, is a heraldic two-barred cross, consisting of a vertical line crossed by two shorter horizontal bars. In most renditions, the horizontal bars are "graded" with the upper bar being the shorter, though variations with the bars of equal length are ...

  5. Owen's Defence - Wikipedia

    en.wikipedia.org/wiki/Owen's_Defence

    The main 3rd move alternative for White has been to defend the e4 pawn with 3.Nc3, after which a typical continuation would be 3...e6 4.Nf3 Bb4 5.Bd3 Nf6 6.Bg5 h6 7.Bxf6 Bxc3+ 8.bxc3 Qxf6 (see diagram), MCO-15 now gives advantage to White following 9.0-0 d6 10.Nd2 e5 11.f4 Qe7 12.Qg4, as in David–Bauer, France 2005.

  6. Two defense lines built in Kursk - AOL

    www.aol.com/news/two-defense-lines-built-kursk...

    Roman Starovoit, the governor of Kursk Oblast in Russia, has announced the construction of two lines of defense in the region, on Telegram on Oct. 23. Kursk Oblast borders Ukraine’s northeastern ...

  7. Dragon's teeth (fortification) - Wikipedia

    en.wikipedia.org/wiki/Dragon's_teeth_(fortification)

    Russian anti-tank obstacles near the horizon, Kherson Oblast, May 2022. Dragon's teeth on the left, Czech hedgehogs on the right In Belgorod Oblast, defensive lines of dragon's teeth were constructed in October 2022 under the supervision of the Wagner Group along the Russia–Ukraine border, intended as a second line of defense alongside trenches and a trained militia in the event the ...

  8. Sicilian Defence, Scheveningen Variation - Wikipedia

    en.wikipedia.org/wiki/Sicilian_Defence,_Sch...

    In chess, the Scheveningen Variation [1] of the Sicilian Defence is an opening that is a line of the Open Sicilian characterised by Black setting up a "small centre" with pawns on d6 and e6. There are numerous move orders that reach the Scheveningen; a common one is: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6

  9. Modern Defense - Wikipedia

    en.wikipedia.org/wiki/Modern_Defense

    The Modern Defense (also known as the Robatsch Defence after Karl Robatsch) is a hypermodern chess opening in which Black allows White to occupy the center with pawns on d4 and e4, then proceeds to attack and undermine this "ideal" center without attempting to occupy it.