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[BerkaZerka]

The following is a look at the way Probability factors into the various dice rolls used in the i20 system and is provided here simply as a topic of interest to the author 

BZ

[BerkaZerka]

Strait Roll      

TN		%
1		5%
2		10%
3		15%
4		20%
5		25%
6		30%
7		35%
8		40%
9		45%
10		50%
11		55%
12		60%
13		65%
14		70%
15		75%
16		80%
17		85%
18		90%
19		95%

[BerkaZerka]

Opposed Roll               

Spread		Win		Tie		Lose
0		47.50%		5.00%		47.50%
1		52.50%		4.75%		42.75%
2		57.25%		4.50%		38.25%
3		61.75%		4.25%		34.00%
4		66.00%		4.00%		30.00%
5		70.00%		3.75%		26.25%
6		73.75%		3.50%		22.75%
7		77.25%		3.25%		19.50%
8		80.50%		3.00%		16.50%
9		83.50%		2.75%		13.75%
10		86.25%		2.50%		11.25%
11		88.75%		2.25%		9.00%
12		91.00%		2.00%		7.00%
13		93.00%		1.75%		5.25%
14		94.75%		1.50%		3.75%
15		96.25%		1.25%		2.50%
16		97.50%		1.00%		1.50%
17		98.50%		0.75%		0.75%
18		99.25%		0.50%		0.25%

   

[BerkaZerka]

Oppossed Straight Roll

TN	vs. 1	vs. 2	vs. 3	vs. 4	vs. 5	vs. 6	vs. 7	vs. 8	vs. 9	vs. 10	vs. 11	vs. 12	vs. 13	vs. 14	vs. 15	vs. 16	vs. 17	vs. 18	vs. 19
1	4.75%	4.50%	4.25%	4.00%	3.75%	3.50%	3.25%	3.00%	2.75%	2.50%	2.25%	2.00%	1.75%	1.50%	1.25%	1.00%	0.75%	0.50%	0.25%
2	9.75%	9.25%	8.75%	8.25%	7.75%	7.25%	6.75%	6.25%	5.75%	5.25%	4.75%	4.25%	3.75%	3.25%	2.75%	2.25%	1.75%	1.25%	0.75%
3	14.75%	14.25%	13.50%	12.75%	12.00%	11.25%	10.50%	9.75%	9.00%	8.25%	7.50%	6.75%	6.00%	5.25%	4.50%	3.75%	3.00%	2.25%	1.50%
4	19.75%	19.25%	18.50%	17.50%	16.50%	15.50%	14.50%	13.50%	12.50%	11.50%	10.50%	9.50%	8.50%	7.50%	6.50%	5.50%	4.50%	3.50%	2.50%
5	24.75%	24.25%	23.50%	22.50%	21.25%	20.00%	18.75%	17.50%	16.25%	15.00%	13.75%	12.50%	11.25%	10.00%	8.75%	7.50%	6.25%	5.00%	3.75%
6	29.75%	29.25%	28.50%	27.50%	26.25%	24.75%	23.25%	21.75%	20.25%	18.75%	17.25%	15.75%	14.25%	12.75%	11.25%	9.75%	8.25%	6.75%	5.25%
7	34.75%	34.25%	33.50%	32.50%	31.25%	29.75%	28.00%	26.25%	24.50%	22.75%	21.00%	19.25%	17.50%	15.75%	14.00%	12.25%	10.50%	8.75%	7.00%
8	39.75%	39.25%	38.50%	37.50%	36.25%	34.75%	33.00%	31.00%	29.00%	27.00%	25.00%	23.00%	21.00%	19.00%	17.00%	15.00%	13.00%	11.00%	9.00%
9	44.75%	44.25%	43.50%	42.50%	41.25%	39.75%	38.00%	36.00%	33.75%	31.50%	29.25%	27.00%	24.75%	22.50%	20.25%	18.00%	15.75%	13.50%	11.25%
10	49.75%	49.25%	48.50%	47.50%	46.25%	44.75%	43.00%	41.00%	38.75%	36.25%	33.75%	31.25%	28.75%	26.25%	23.75%	21.25%	18.75%	16.25%	13.75%
11	54.75%	54.25%	53.50%	52.50%	51.25%	49.75%	48.00%	46.00%	43.75%	41.25%	38.50%	35.75%	33.00%	30.25%	27.50%	24.75%	22.00%	19.25%	16.50%
12	59.75%	59.25%	58.50%	57.50%	56.25%	54.75%	53.00%	51.00%	48.75%	46.25%	43.50%	40.50%	37.50%	34.50%	31.50%	28.50%	25.50%	22.50%	19.50%
13	64.75%	64.25%	63.50%	62.50%	61.25%	59.75%	58.00%	56.00%	53.75%	51.25%	48.50%	45.50%	42.25%	39.00%	35.75%	32.50%	29.25%	26.00%	22.75%
14	69.75%	69.25%	68.50%	67.50%	66.25%	64.75%	63.00%	61.00%	58.75%	56.25%	53.50%	50.50%	47.25%	43.75%	40.25%	36.75%	33.25%	29.75%	26.25%
15	74.75%	74.25%	73.50%	72.50%	71.25%	69.75%	68.00%	66.00%	63.75%	61.25%	58.50%	55.50%	52.25%	48.75%	45.00%	41.25%	37.50%	33.75%	30.00%
16	79.75%	79.25%	78.50%	77.50%	76.13%	74.75%	73.00%	71.00%	68.75%	66.25%	63.50%	60.50%	57.25%	53.75%	50.00%	46.00%	42.00%	38.00%	34.00%
17	84.75%	84.25%	83.50%	82.50%	81.25%	79.75%	78.00%	76.00%	73.75%	71.25%	68.50%	65.50%	62.25%	58.75%	55.00%	51.00%	46.75%	42.50%	38.25%
18	89.75%	89.25%	88.50%	87.50%	86.25%	84.75%	83.00%	81.00%	78.75%	76.25%	73.50%	70.50%	67.25%	63.75%	60.00%	56.00%	51.75%	47.25%	42.75%
19	94.75%	94.25%	93.50%	92.50%	91.25%	89.75%	88.00%	86.00%	83.75%	81.25%	78.50%	75.50%	72.25%	68.75%	65.00%	61.00%	56.75%	52.25%	47.50%

[BerkaZerka]

				MTN 5						MTN 10						MTN 15
	MTN 5			or Crit			MTN 10			or Crit			MTN 15			or Crit
TN	%	|	TN	%	|	TN	%	|	TN	%	|	TN	%	|	TN	%
1	0%	|	1	5%	|	1	0%	|	1	5%	|	1	0%	|	1	5%
2	0%	|	2	5%	|	2	0%	|	2	5%	|	2	0%	|	2	5%
3	0%	|	3	5%	|	3	0%	|	3	5%	|	3	0%	|	3	5%
4	0%	|	4	5%	|	4	0%	|	4	5%	|	4	0%	|	4	5%
5	5%	|	5	5%	|	5	0%	|	5	5%	|	5	0%	|	5	5%
6	10%	|	6	10%	|	6	0%	|	6	5%	|	6	0%	|	6	5%
7	15%	|	7	15%	|	7	0%	|	7	5%	|	7	0%	|	7	5%
8	20%	|	8	20%	|	8	0%	|	8	5%	|	8	0%	|	8	5%
9	25%	|	9	25%	|	9	0%	|	9	5%	|	9	0%	|	9	5%
10	30%	|	10	30%	|	10	5%	|	10	5%	|	10	0%	|	10	5%
11	35%	|	11	35%	|	11	10%	|	11	10%	|	11	0%	|	11	5%
12	40%	|	12	40%	|	12	15%	|	12	15%	|	12	0%	|	12	5%
13	45%	|	13	45%	|	13	20%	|	13	20%	|	13	0%	|	13	5%
14	50%	|	14	50%	|	14	25%	|	14	25%	|	14	0%	|	14	5%
15	55%	|	15	55%	|	15	30%	|	15	30%	|	15	5%	|	15	5%
16	60%	|	16	60%	|	16	35%	|	16	35%	|	16	10%	|	16	10%
17	65%	|	17	65%	|	17	40%	|	17	40%	|	17	15%	|	17	15%
18	70%	|	18	70%	|	18	45%	|	18	45%	|	18	20%	|	18	20%
19	75%	|	19	75%	|	19	50%	|	19	50%	|	19	25%	|	19	25%

[BerkaZerka]

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