Help Needed for Checkmate

Sometimes even the boss lady needs a hand! See how other pieces can team up with the queen to deliver a knockout blow.

Sometimes a rook can help a queen to deliver checkmate by working along the same rank together. Where does the white rook move to help support the queen?

White brings the rook all the way to the seventh rank, creating a powerful helper for the queen. Black won’t be able to stop checkmate!

Black has no way to stop checkmate, so decides to take the bishop.
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The white queen, supported by the rook, now delivers checkmate on g7. 

Now you’re familiar enough to find some battery checkmates yourself!