Sicilian Defense: McDonnell Attack, Toilet Variation

1.e4 c5 2.f4 d5 3.Nc3

ECO B21

The Sicilian Defense: McDonnell Attack, Toilet Variation is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.f4 d5 3.Nc3.

It is catalogued under code B21 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nc3 is chosen by White on move 3.

The Sicilian Defense: McDonnell Attack, Toilet Variation is a line of the Sicilian Defense. The Sicilian Defense is a chess opening that begins 1.e4 c5. Read the complete Sicilian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

More ECO B21 openings

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Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.