Polish Defense · A40
Main line
1. d4 b5
In the centre, White holds d4.
The first 2 moves, explained
- 1. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
- 1... b5 Opens the c8-a6 diagonal for the bishop. Theory calls this the Polish Defense.
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Where this fits
This line is one of 2 in the Polish Defense. If you want to know where your own games leave it, the guide on leaving theory explains how that is found.