Petrov's Defence is a chess opening characterised by the following moves:
Nimzowitsch Defence
The Nimzowitsch Defence is a somewhat uncommon chess opening characterised by the moves:
Philidor Defence
The Philidor Defence (or Philidor's Defence) is a 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:
Sicilian Defence
The Sicilian Defence is a chess opening that begins with the following moves:
Two Knights Defense
The Two Knights Defense (also called the Prussian Defense) 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:
Jerome Gambit
The Jerome Gambit is an unsound chess opening which is an offshoot of the Giuoco Piano. It is characterized by the moves: