Give a little, get more
This lesson uses chess positions. Until you have played a little, its board questions are worked examples to read. New to chess? Play your first moves (five minutes), then learn it from the beginning.
Gambits and sacrifices trade material for time or an attack. Off the board, counting both sides of a trade becomes a habit only if you practise it there too, as this week’s task asks.
You were part-way through this lesson, at step 1 of 7.