Horwitz Defense A40

A — Flank openings · Family: Horwitz Defense

1. d4 e6

The Horwitz Defense is catalogued under the ECO code A40. Its main line runs 1. d4 e6.

After 2 half-moves the diagrammed position is reached and it is White to move. Material is balanced.

This encyclopedia records 2 variations inside the “Horwitz Defense” family — compare the branching lines in the tree below.

Play through the moves on the board above, explore the variations tree below — click any move of any branch — then test yourself against the engine from the position you picked.

Position after 2 half-moves — White to move.
Material is balanced.
Family “Horwitz Defense” contains 2 recorded variation(s) here.

Variations tree of the Horwitz Defense family

Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.