Initial results for combos with 75+ samples

2v1 119/146 81.51%
2v2 37/83 44.58%
3v1 110/112 98.21%
3v2 121/159 76.10%
4v1 75/75 100%
4v2 89/96 92.71%
4v3 69/103 66.993%
8v8 100/248 40.32%

Even with this initial small sample base it's looking like kdice probabilities are largely in line with expected ones based on theoretical probabilities.

It's painful to see that 4v2 defend is just a bitter myth.