Open Game
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| Moves | 1.e4 e5 | ||||||||||||||||||||||||||||||||||||||||||||
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| ECO | C20–C99 | ||||||||||||||||||||||||||||||||||||||||||||
| Parent | King's Pawn Game | ||||||||||||||||||||||||||||||||||||||||||||
| Synonyms |
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Open Game (or Double King's Pawn Opening) is a generic term for a family of chess openings beginning with the moves:
Other responses to 1.e4 are termed Semi-Open Games. The Open Games include many of the oldest and most deeply analyzed openings in chess, and are often among the first openings taught to beginners. Among the most important and frequently played Open Games are the Ruy Lopez or Spanish Opening (1.e4 e5 2.Nf3 Nc6 3.Bb5), the Italian Game (1.e4 e5 2.Nf3 Nc6 3.Bc4), the Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4), and Petrov's Defense (1.e4 e5 2.Nf3 Nf6).
When written in lowercase, the term "open game" refers to a chess position where ranks, files, and diagonals are open, and tending to more tactical gameplay. While double king's pawn openings usually lead to open games, this is not always the case.