This popular set of rules were written by Phil Barker and Richard Bodley Scott and are published by Wargames Research Group. Version 2.0 of the DBM rules were released in October 1997.
These rules are designed for 2 mm, 10 mm, 15 mm or 25 mm figures and recreate combat with no record keeping and a minimum of dice rolls. All units are rated according to how they fought, not according to what they were armed and armoured with. Shock cavalry are Knights, skirmishing horse are Cavalry or Light Horse, infantry are Bow, Blades, Spears, Pikes, Warband, Auxilia or Skirmishers. All units are on identical width bases, and square off to fight each other. Each unit has a basic combat factor versus foot or mounted, and these factors are affected by terrain, supporting ranks if applicable, and whether your flanks and rear are secure. A brilliant command system makes you wrack your brain as you try to out-manoeuvre you opponent.