Difference between revisions of "THAC0"

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An acronym for '''[[Roll to Hit|To Hit]] [[Armour Class]] Zero''' with the number "0" used as the final letter.  The number required to hit a zero armour class (AC) on a d20 is used to count backwards as the number for AC increases.  For example, a combatant needing a 17 to hit AC 0 would need a 16 to hit AC 1, a 15 to hit AC 2, a 14 to hit AC 3 and so on.  The number to hit equals the target's THAC0 minus the target's AC.
 
An acronym for '''[[Roll to Hit|To Hit]] [[Armour Class]] Zero''' with the number "0" used as the final letter.  The number required to hit a zero armour class (AC) on a d20 is used to count backwards as the number for AC increases.  For example, a combatant needing a 17 to hit AC 0 would need a 16 to hit AC 1, a 15 to hit AC 2, a 14 to hit AC 3 and so on.  The number to hit equals the target's THAC0 minus the target's AC.
  
{| class="wikitable" style="float:center; margin-left: 15px; text-align: center; background-color:#d4f2f2;"
+
{| class="wikitable" style="float:center; margin-center: 15px; text-align: center; background-color:#d4f2f2;"
 
|+Attacker's [[Experience Level|Level]]/[[Hit Dice]]
 
|+Attacker's [[Experience Level|Level]]/[[Hit Dice]]
 
! Attacker !! 1st !! 2nd !! 3rd !! 4th !! 5th !! 6th !! 7th !! 8th !! 9th !! 10th !! 11th !! 12th !! 13th+
 
! Attacker !! 1st !! 2nd !! 3rd !! 4th !! 5th !! 6th !! 7th !! 8th !! 9th !! 10th !! 11th !! 12th !! 13th+

Revision as of 00:30, 30 July 2020

An acronym for To Hit Armour Class Zero with the number "0" used as the final letter. The number required to hit a zero armour class (AC) on a d20 is used to count backwards as the number for AC increases. For example, a combatant needing a 17 to hit AC 0 would need a 16 to hit AC 1, a 15 to hit AC 2, a 14 to hit AC 3 and so on. The number to hit equals the target's THAC0 minus the target's AC.

Attacker's Level/Hit Dice
Attacker 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th+
1 0 1 bravo