The hedgehog defence is a military tactic in which a defending force creates multiple mutually supporting strongpoints ("hedgehogs") in a defence in depth...

Queen's Indian Defence, and the Taimanov and Kan Variations of the Sicilian Defence. It is also possible for White to adopt a Hedgehog setup, but this...

Deep operation Defence in depth (non-military) Defense in depth (nuclear engineering) Defence-in-depth (Roman military) Hedgehog defence List of military...

edge. Hedgehog space, a topological space Hedgehog mushroom (disambiguation), multiple uses Hedgehog defence, a military stratagem Sonic the Hedgehog (series)...

one unit level with the trailing edge of the preceding, similar to hedgehog defence. This enabled enfilade lines of fire and somewhat defiladed the army...

The European hedgehog (Erinaceus europaeus), also known as the West European hedgehog or common hedgehog, is a hedgehog species native to Europe from Iberia...

Counter battery fire Rapid reaction force Delaying defence Break contact Hedgehog defence military bottleneck Pakfront Fortification Field works (entrenchments)...

beach defences and "nodal points". The nodal points, also called anti-tank islands or fortress towns, were focal points of the hedgehog defence and expected...

Napoleonic ending." Schmidt maintained that the army, which would adopt a "hedgehog" defence, must be resupplied, but that the situation was not yet so desperate...

charge. And the army is staying at the front." The success of this hedgehog defence outside Moscow led Hitler to insist on the holding of territory when...

The Sicilian Defence is a chess opening that begins with the following moves: 1. e4 c5 The Sicilian is the most popular and best-scoring response to White's...

The Pirc Defence (/ˈpɪərts/ PEERTS) is a chess opening characterised by the response of Black to 1.e4 with 1...d6 and 2...Nf6, followed by ...g6 and ...

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...

Ekkusu) is a Japanese anime television series based on Sega's Sonic the Hedgehog video game series. Produced by TMS Entertainment under partnership with...

Petrov's Defence or the Petrov Defence (also called Petroff Defence, Petrov's Game, Russian Defence, or Russian Game – Russian: Русская партия) is a chess...

boats and the Poles withdrew to Driel for the night, setting up a hedgehog defence. Elements of XXX Corps reached Driel the following day but at the same...

The Philidor Defence (or Philidor's Defence) is a chess opening characterised by the moves: 1. e4 e5 2. Nf3 d6 The opening is named after the famous 18th-century...

The Caro–Kann Defence is a chess opening characterised by the moves: 1. e4 c6 The Caro–Kann is a common defence against 1.e4. It is classified as a Semi-Open...

(Russian Defence) 5...Bc5 (Møller Defence) 5...b5 6.Bb3 Bb7 (Arkhangelsk Defence) 5...b5 6.Bb3 Bc5 (Modern Arkhangelsk Defence) 5...Nxe4 (Open Defence) In...

The French Defence is a chess opening characterised by the moves: 1. e4 e6 This is most commonly followed by 2.d4 d5. Black usually plays ...c5 soon after...

Alekhine's Defence is a chess opening that begins with the moves: 1. e4 Nf6 Black tempts White's pawns forward to form a broad pawn centre, with plans...

The Grünfeld Defence is a chess opening characterised by the moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 Black offers White the possibility of 4.cxd5, which may...

The Nimzowitsch Defence (named after Aron Nimzowitsch) is a somewhat uncommon chess opening characterised by the moves: 1. e4 Nc6 This opening is an example...

In the game of chess, Indian Defence or Indian Game is a broad term for a group of openings characterised by the moves: 1. d4 Nf6 They are all to varying...

The Nimzo-Indian Defence is a chess opening characterised by the moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Other move orders, such as 1.c4 e6 2.Nc3 Nf6 3.d4...

the "Game of the Season" award. Hedgehog defense List of chess openings Alessio de Santis, The Hippopotamus Defence, 2019, page 12. Andrew Martin, The...

constructed with extensively branched trenches in order to create a strong hedgehog defence. The first major carpet bombing air raid took place on 8 October 1944...

The Dutch Defence is a chess opening characterised by the moves: 1. d4 f5 Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the...

can arise from the Symmetrical Defence. Among the ideas are: The Hedgehog system involves a solid but flexible defence in which Black develops by b6,...

Gambit (or simply Morra Gambit) is an opening gambit against the Sicilian Defence distinguished by the moves: 1. e4 c5 2. d4 cxd4 3. c3 White sacrifices...