Dice Expressions: Difference between revisions

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| XdYsS || success || Roll ''X'' dice with ''Y'' sides each, and count any rolls that meet or exceed ''S'' || ''/roll 4d6s4'' rolls four six-sided dice, and counts any individual roll that exceeds four, presenting the number of "successes" in chat
| XdYsS || success || Roll ''X'' dice with ''Y'' sides each, and count any rolls that meet or exceed ''S'' || ''/roll 4d6s4'' rolls four six-sided dice, and counts any individual roll that exceeds four, presenting the number of "successes" in chat
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| XdYe || explode || Roll ''X'' dice with ''Y'' sides each, and reroll any dice that roll their maximum value and add the new roll to the total || ''/roll 2d6e'' rolls two six-sided dice, and if either rolls a 6, it is rerolled and added to the total (this continues until neither die rolls a 6)
| XdYe || explode || Roll ''X'' dice with ''Y'' sides each, and reroll any dice that roll ''Y'', add the new roll to the total || ''/roll 2d6e'' rolls two six-sided dice, and if either rolls a 6, it is rerolled and added to the total (this continues until neither die rolls a 6).
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| XdYesS || exploding success || As success rolls, above, but the individual dice can "explode" (''i.e.'', they are rerolled if they roll their maximum value) || ''/roll 4d6es8'' will roll 4 six-sided dice, explode any that roll their maximum, and then total the rolls that exceed 8
| XdYo || open || Roll ''X'' dice with ''Y'' sides each, and explode any dice that roll ''Y'', then return the value of all rolls, as well as the highest roll || ''/roll 5d6o'' rolls 5 six-sided dice, and explodes any that roll 6
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Revision as of 14:03, 3 February 2009

MapTool's chat window and macro system supports several of the most common dice expressions based on the formats XdY and dY.

Dice Expressions

In the table below, the variable Y is described as the "number of sides" on the dice being rolled; in reality the dice roller is picking a random number between 1 and Y. The end result is the same.

Expression Function Description Example
XdY Roll X dice with Y sides each. If X is not included, roll 1 die with Y sides. /roll 1d20 rolls one twenty-sided die and presents the result in chat
XdYdN drop Roll X dice with Y sides each, and drop the lowest N dice afterwards /roll 4d6d1 rolls four six-sided dice, drops the lowest roll, and presents the total in the chat window
XdYkN keep Roll X dice with Y sides each, and keep the highest N dice afterwards /roll 4d6k3 rolls four six-sided dice, keeps the highest 3 rolls, and presents the total in the chat window
XdYrL reroll Roll X dice with Y sides each, rerolling any results lower than L /roll 3d8r2 rolls three eight-sided dice, rerolls any dice that are lower than 3, and then sums and presents the total in chat
XdYsS success Roll X dice with Y sides each, and count any rolls that meet or exceed S /roll 4d6s4 rolls four six-sided dice, and counts any individual roll that exceeds four, presenting the number of "successes" in chat
XdYe explode Roll X dice with Y sides each, and reroll any dice that roll Y, add the new roll to the total /roll 2d6e rolls two six-sided dice, and if either rolls a 6, it is rerolled and added to the total (this continues until neither die rolls a 6).
XdYesS exploding success As success rolls, above, but the individual dice can "explode" (i.e., they are rerolled if they roll their maximum value) /roll 4d6es8 will roll 4 six-sided dice, explode any that roll their maximum, and then total the rolls that exceed 8 XdYo open Roll X dice with Y sides each, and explode any dice that roll Y, then return the value of all rolls, as well as the highest roll /roll 5d6o rolls 5 six-sided dice, and explodes any that roll 6