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Forward Chess is a highly positional game. Material is important only as
far as it lets you control the board. Three Queens on the enemy back rank
will usually lose to a lone king on its own third rank--the King 'runs
for the border' and the Queens can't catch it. The strong side can win
if its King can reach the eight rank first.  Gaining the opposition is
probably not sufficient, the strong side will tend to lose by triple
repetition.

Capturing a piece with the next lower ranking piece is a particularly
strong move: the newly created piece defends the capturing piece.

Another powerful capturing move is the 'split fork' where the capturing
piece attacks one piece and the created piece attacks another.