In chess, each player has one of two equivalent sets of pieces (each a different color) at the beginning of the game. Each set has six types of pieces, each with its own pattern of movement:
One thing that applies both strategically and tactically is material advantage. If you command more pieces, or more powerful pieces, than your opponent, you will have greater opportunity.
The Ghost of Christmas Present, a colorized version of the original illustration by John Leech made for Charles Dickens's novel A Christmas Carol (1843).