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Why THAC0 Rocks
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<blockquote data-quote="Thondor" data-source="post: 4693348" data-attributes="member: 31955"><p>Thanks for the moderation Umbran, I think we can all use the reminder to be more curtious and assume other posters intentions were benign.</p><p></p><p><strong>Surprising Variety</strong></p><p></p><p>One of the possible advantages of THAC0 (and one that this thread has let me discover) is that there is a surprising amount of ways for a group to approach it, to use it in game.</p><p></p><p>It is easy to use (or make) a <em>chart</em> with THAC0 so if your more comfortable with that you can. (Both a chart for the DM or for the players.)</p><p></p><p><em>Players don't know anything</em>.</p><p> If you want a game were the players don't know their THAC0, or how good a particular magic item is, this is how 1e is designed. Their also less likely to bother figuring out opponents AC. Here THAC0 works well, just note the players THAC0 any of its variations due to modifiers and the DM makes the calculations or uses a chart.</p><p></p><p><em>Players know their THAC0 but don't know AC, and don't do math</em>. </p><p>Player states the roll and their THAC0 (leaving rare situational modifiers to the DM, or not as the group has decided) DM calculates THAC0 - AC</p><p></p><p><em>Players know their THAC0 but don't know AC, and use chart.</em></p><p><em></em>Player rolls, checks their THAC0 table and reports what AC they hit. DM compares to AC</p><p></p><p><em>Players know their THAC0 but don't know AC, and do math</em>,</p><p>Player rolls, calculates THAC0 - roll, then state the AC they hit. DM compares this to opponents AC </p><p></p><p><em>Players know their THAC0 and know AC.</em></p><p>The player can actually do the calculation any way they want, though I maintain that THAC0 - AC would be easiest (this determines how high the roll needs to be), at which point they tell the DM if they hit.</p><p></p><p><em>If you prefer addition</em></p><p>You can add roll + AC to find if your THAC0 is high enough to hit. (The DM could do that of course, I don't like that approach because then you do the calculation each round).</p><p></p><p></p><p>While any of these approaches could be used with BAB, I think the Attack Bonus system really encourages only one approach.</p><p>Both systems can lead to confusion at the Table. In my experience, because I can pick how THAC0 is used at my table, it has lead to less.</p></blockquote><p></p>
[QUOTE="Thondor, post: 4693348, member: 31955"] Thanks for the moderation Umbran, I think we can all use the reminder to be more curtious and assume other posters intentions were benign. [B]Surprising Variety[/B] One of the possible advantages of THAC0 (and one that this thread has let me discover) is that there is a surprising amount of ways for a group to approach it, to use it in game. It is easy to use (or make) a [I]chart[/I] with THAC0 so if your more comfortable with that you can. (Both a chart for the DM or for the players.) [I]Players don't know anything[/I]. If you want a game were the players don't know their THAC0, or how good a particular magic item is, this is how 1e is designed. Their also less likely to bother figuring out opponents AC. Here THAC0 works well, just note the players THAC0 any of its variations due to modifiers and the DM makes the calculations or uses a chart. [I]Players know their THAC0 but don't know AC, and don't do math[/I]. Player states the roll and their THAC0 (leaving rare situational modifiers to the DM, or not as the group has decided) DM calculates THAC0 - AC [I]Players know their THAC0 but don't know AC, and use chart. [/I]Player rolls, checks their THAC0 table and reports what AC they hit. DM compares to AC [I]Players know their THAC0 but don't know AC, and do math[/I], Player rolls, calculates THAC0 - roll, then state the AC they hit. DM compares this to opponents AC [I]Players know their THAC0 and know AC.[/I] The player can actually do the calculation any way they want, though I maintain that THAC0 - AC would be easiest (this determines how high the roll needs to be), at which point they tell the DM if they hit. [I]If you prefer addition[/I] You can add roll + AC to find if your THAC0 is high enough to hit. (The DM could do that of course, I don't like that approach because then you do the calculation each round). While any of these approaches could be used with BAB, I think the Attack Bonus system really encourages only one approach. Both systems can lead to confusion at the Table. In my experience, because I can pick how THAC0 is used at my table, it has lead to less. [/QUOTE]
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