The Two Knights Defense (also called the Prussian Defense) is a chess opening that begins with the moves:
Four Knights Game
The Four Knights Game is a chess opening that begins with the moves:
Scandinavian Defense
The Scandinavian Defense (or Center Counter Defense, or Center Counter Game) is a chess opening beginning with the moves:
Sicilian Defence
The Sicilian Defence is a chess opening that begins with the following moves:
Nimzowitsch Defence
The Nimzowitsch Defence is a somewhat uncommon chess opening characterised by the moves:
Alekhine's Defence
Alekhine's Defence (or the Alekhine Defence) is a chess opening that begins with the moves:
Philidor Defence
The Philidor Defence (or Philidor's Defence) is a chess opening characterised by the moves:
Petrov's Defence
Petrov's Defence is a chess opening characterised by the following moves:
Open Game
Open Game[1] (or Double King's Pawn Opening) is a generic term for a family of chess openings beginning with the moves:
Closed Game
Closed Game (or Double Queen's Pawn Opening or Close Opening[1]) is a generic term for a family of chess openings beginning with the moves:
Italian Game
White develops the bishop to the active square c4 (the so-called "Italian bishop"), where it attacks Black's pawn on f7, protected only by the king. Black usually responds with 3...Bc5 (the Giuoco Piano) or 3...Nf6 (the Two Knights Defense).