Some statistics data and graphs on the roll and keep system used in the Legends of Five Rings RPG.
| TN to be hit | 1k1 | 2k1 | 2k2 | 3k1 | 3k2 | 3k3 | 4k1 | 4k2 | 4k3 | 4k4 | 5k1 | 5k2 | 5k3 | 5k4 | 5k5 | 6k1 | 6k2 | 6k3 | 6k4 | 6k5 | 6k6 | 7k1 | 7k2 | 7k3 | 7k4 | 7k5 | 7k6 | 7k7 | 8k1 | 8k2 | 8k3 | 8k4 | 8k5 | 8k6 | 8k7 | 8k8 | 9k1 | 9k2 | 9k3 | 9k4 | 9k5 | 9k6 | 9k7 | 9k8 | 9k9 | 10k1 | 10k2 | 10k3 | 10k4 | 10k5 | 10k6 | 10k7 | 10k8 | 10k9 | 10k10 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 5 | 49.94 | 49.99 | 90.01 | 49.96 | 90.05 | 99.00 | 50.05 | 90.01 | 98.99 | 99.95 | 49.95 | 90.03 | 99.00 | 99.95 | 100.00 | 50.00 | 90.01 | 99.00 | 99.95 | 100.00 | 100.00 | 50.05 | 90.04 | 99.00 | 99.95 | 100.00 | 100.00 | 100.00 | 50.00 | 90.01 | 99.00 | 99.95 | 100.00 | 100.00 | 100.00 | 100.00 | 49.99 | 90.00 | 98.99 | 99.95 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 50.09 | 89.99 | 99.00 | 99.95 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| 1 | 10 | 10.03 | 9.99 | 55.01 | 10.00 | 55.06 | 88.00 | 10.00 | 55.05 | 87.97 | 97.92 | 9.96 | 55.00 | 88.01 | 97.89 | 99.75 | 10.02 | 55.16 | 88.00 | 97.89 | 99.74 | 99.98 | 10.06 | 55.06 | 88.03 | 97.93 | 99.75 | 99.98 | 100.00 | 10.03 | 55.06 | 88.02 | 97.91 | 99.74 | 99.98 | 100.00 | 100.00 | 10.00 | 55.03 | 87.96 | 97.91 | 99.75 | 99.98 | 100.00 | 100.00 | 100.00 | 10.03 | 55.03 | 88.03 | 97.90 | 99.75 | 99.98 | 100.00 | 100.00 | 100.00 | 100.00 |
| 2 | 15 | 5.04 | 4.99 | 22.98 | 5.02 | 23.07 | 60.19 | 5.02 | 23.01 | 60.13 | 86.91 | 5.00 | 23.07 | 60.23 | 86.89 | 97.01 | 5.01 | 23.04 | 60.22 | 86.94 | 97.02 | 99.51 | 5.03 | 23.03 | 60.16 | 86.89 | 97.00 | 99.50 | 99.93 | 4.99 | 23.05 | 60.24 | 86.92 | 97.01 | 99.50 | 99.93 | 99.99 | 4.99 | 23.05 | 60.15 | 86.92 | 97.03 | 99.50 | 99.93 | 99.99 | 100.00 | 5.01 | 23.02 | 60.17 | 86.96 | 97.02 | 99.50 | 99.93 | 99.99 | 100.00 | 100.00 |
| 3 | 20 | 1.01 | 1.00 | 10.01 | 1.01 | 10.02 | 31.89 | 1.01 | 10.00 | 31.92 | 63.94 | 0.99 | 10.02 | 31.97 | 63.84 | 86.69 | 1.01 | 10.07 | 31.92 | 63.99 | 86.65 | 96.40 | 1.01 | 10.04 | 31.90 | 63.90 | 86.66 | 96.39 | 99.23 | 1.00 | 10.01 | 31.94 | 63.89 | 86.67 | 96.41 | 99.24 | 99.87 | 1.00 | 10.02 | 31.88 | 63.92 | 86.64 | 96.42 | 99.23 | 99.87 | 99.99 | 1.02 | 10.02 | 31.85 | 63.96 | 86.69 | 96.36 | 99.24 | 99.87 | 99.98 | 100.00 |
| 4 | 25 | 0.51 | 0.51 | 3.70 | 0.51 | 3.71 | 15.61 | 0.50 | 3.67 | 15.63 | 38.90 | 0.50 | 3.73 | 15.59 | 38.89 | 67.05 | 0.51 | 3.69 | 15.60 | 38.99 | 67.00 | 86.81 | 0.50 | 3.71 | 15.60 | 39.05 | 67.02 | 86.78 | 95.95 | 0.51 | 3.70 | 15.61 | 38.99 | 67.00 | 86.84 | 95.94 | 99.01 | 0.51 | 3.71 | 15.53 | 39.00 | 66.96 | 86.82 | 95.93 | 99.02 | 99.81 | 0.51 | 3.68 | 15.54 | 39.02 | 66.98 | 86.71 | 95.92 | 99.00 | 99.81 | 99.97 |
| 5 | 30 | 0.10 | 0.10 | 1.47 | 0.10 | 1.44 | 7.02 | 0.10 | 1.44 | 7.07 | 21.35 | 0.10 | 1.46 | 7.04 | 21.25 | 44.72 | 0.10 | 1.45 | 7.03 | 21.35 | 44.66 | 69.66 | 0.10 | 1.44 | 7.05 | 21.41 | 44.65 | 69.60 | 87.13 | 0.10 | 1.45 | 7.04 | 21.34 | 44.70 | 69.64 | 87.14 | 95.64 | 0.10 | 1.44 | 7.03 | 21.40 | 44.59 | 69.63 | 87.08 | 95.65 | 98.82 | 0.10 | 1.44 | 7.03 | 21.34 | 44.66 | 69.56 | 87.08 | 95.64 | 98.83 | 99.74 |
| 6 | 35 | 0.05 | 0.05 | 0.52 | 0.05 | 0.51 | 2.97 | 0.05 | 0.51 | 2.99 | 10.79 | 0.05 | 0.52 | 2.98 | 10.72 | 26.81 | 0.05 | 0.52 | 2.97 | 10.74 | 26.74 | 49.51 | 0.05 | 0.51 | 2.96 | 10.78 | 26.79 | 49.43 | 71.97 | 0.05 | 0.51 | 2.97 | 10.79 | 26.77 | 49.54 | 71.97 | 87.50 | 0.05 | 0.51 | 2.97 | 10.81 | 26.74 | 49.46 | 71.85 | 87.52 | 95.49 | 0.05 | 0.50 | 2.97 | 10.78 | 26.72 | 49.42 | 71.91 | 87.48 | 95.50 | 98.67 |
| 7 | 40 | 0.01 | 0.01 | 0.19 | 0.01 | 0.19 | 1.24 | 0.01 | 0.19 | 1.24 | 5.09 | 0.01 | 0.19 | 1.24 | 5.06 | 14.77 | 0.01 | 0.19 | 1.25 | 5.09 | 14.72 | 31.75 | 0.01 | 0.19 | 1.25 | 5.10 | 14.78 | 31.71 | 53.66 | 0.01 | 0.20 | 1.22 | 5.09 | 14.74 | 31.78 | 53.61 | 73.93 | 0.01 | 0.19 | 1.25 | 5.11 | 14.77 | 31.70 | 53.48 | 73.88 | 87.91 | 0.01 | 0.18 | 1.25 | 5.11 | 14.74 | 31.66 | 53.57 | 73.82 | 87.99 | 95.42 |
| 8 | 45 | 0.01 | 0.01 | 0.07 | 0.00 | 0.06 | 0.49 | 0.01 | 0.06 | 0.48 | 2.32 | 0.00 | 0.06 | 0.48 | 2.28 | 7.61 | 0.01 | 0.06 | 0.48 | 2.30 | 7.57 | 18.79 | 0.01 | 0.06 | 0.48 | 2.31 | 7.62 | 18.78 | 36.38 | 0.01 | 0.07 | 0.48 | 2.31 | 7.61 | 18.78 | 36.42 | 57.14 | 0.01 | 0.06 | 0.48 | 2.31 | 7.59 | 18.77 | 36.33 | 57.07 | 75.63 | 0.01 | 0.06 | 0.48 | 2.32 | 7.60 | 18.73 | 36.37 | 57.04 | 75.71 | 88.43 |
| 9 | 50 | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 | 0.20 | 0.00 | 0.02 | 0.20 | 1.02 | 0.00 | 0.02 | 0.19 | 0.98 | 3.73 | 0.00 | 0.02 | 0.18 | 1.00 | 3.70 | 10.38 | 0.00 | 0.02 | 0.19 | 1.00 | 3.73 | 10.42 | 22.85 | 0.00 | 0.02 | 0.19 | 1.01 | 3.71 | 10.40 | 22.87 | 40.56 | 0.00 | 0.02 | 0.19 | 0.99 | 3.73 | 10.39 | 22.84 | 40.54 | 60.16 | 0.00 | 0.02 | 0.19 | 1.01 | 3.75 | 10.35 | 22.87 | 40.55 | 60.27 | 77.22 |
| 10 | 55 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.07 | 0.00 | 0.01 | 0.08 | 0.43 | 0.00 | 0.01 | 0.07 | 0.42 | 1.75 | 0.00 | 0.01 | 0.07 | 0.42 | 1.73 | 5.45 | 0.00 | 0.01 | 0.08 | 0.42 | 1.73 | 5.47 | 13.42 | 0.00 | 0.01 | 0.07 | 0.42 | 1.73 | 5.44 | 13.44 | 26.76 | 0.00 | 0.01 | 0.07 | 0.42 | 1.76 | 5.46 | 13.40 | 26.77 | 44.34 | 0.00 | 0.01 | 0.07 | 0.42 | 1.77 | 5.44 | 13.44 | 26.73 | 44.41 | 63.03 |
| 11 | 60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.03 | 0.17 | 0.00 | 0.00 | 0.03 | 0.16 | 0.78 | 0.00 | 0.00 | 0.02 | 0.17 | 0.80 | 2.70 | 0.00 | 0.00 | 0.03 | 0.18 | 0.79 | 2.74 | 7.47 | 0.00 | 0.00 | 0.03 | 0.18 | 0.78 | 2.73 | 7.48 | 16.52 | 0.00 | 0.00 | 0.03 | 0.17 | 0.79 | 2.75 | 7.41 | 16.55 | 30.49 | 0.00 | 0.00 | 0.03 | 0.17 | 0.81 | 2.73 | 7.48 | 16.56 | 30.55 | 47.99 |
| 12 | 65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.01 | 0.07 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 1.30 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 1.32 | 3.97 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 1.31 | 3.97 | 9.67 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 1.32 | 3.95 | 9.69 | 19.67 | 0.00 | 0.00 | 0.01 | 0.07 | 0.35 | 1.31 | 3.95 | 9.66 | 19.77 | 34.18 |
| 13 | 70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.60 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.61 | 2.03 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.61 | 2.00 | 5.38 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.62 | 2.01 | 5.42 | 12.03 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 0.62 | 2.02 | 5.38 | 12.09 | 23.01 |
| 14 | 75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.27 | 0.00 | 0.00 | 0.00 | 0.01 | 0.07 | 0.28 | 1.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.27 | 1.00 | 2.87 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.28 | 0.99 | 2.89 | 7.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.28 | 0.98 | 2.88 | 7.07 | 14.63 |
| 15 | 80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.12 | 0.48 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.12 | 0.48 | 1.49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.13 | 0.47 | 1.48 | 3.93 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.13 | 0.47 | 1.50 | 3.94 | 8.92 |
| 16 | 85 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.05 | 0.22 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.05 | 0.22 | 0.74 | 2.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.22 | 0.76 | 2.13 | 5.21 |
