C00

Rat Defense: Small Center Defense

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Overview

Rat Defense: Small Center Defense is a chess opening at the root of the Open Games family, classified under ECO code C00.

The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.

It is reached after 4 plies of play, with the move sequence 1. d4 e6 2. e4 d6.

Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.

ECO code
C00
Group
Open Games (C)
Plies
4

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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