15-19 CR 1/8 is a Hard Encounter

11-13x CR 1/4 is a Hard Encounter

6x CR 1/2 is a Medium Encounter

7x CR 1/2 is Hard

8x CR 1/2 is Deadly

3x CR 1 is Medium

4x CR 1 is Hard

5x CR 1 is Deadly

1x CR 1 + 3-5x CR 1/2 is Medium

1x CR 1 + 6 CR 1/2 is Deadly

2x CR 2 is Medium

3x CR 2 is Deadly

1x CR 2 + 2x CR 1 is Hard

1x CR 2 + 3x CR 1 is Deadly

1x CR 2 + 5x CR 1/2 is Hard

1x CR 3 is easy, 2x CR 3 is Deadly

1x CR 3 + 2x CR 1/2 is Hard, +3x CR 1/2 is Deadly

1x CR 3 + 1x CR 2 is Hard

1x CR 3 + 1x CR 1 is Hard, + 2x CR 1 is Deadly

1x CR 4 is a Medium

1x CR 4 + 1x CR 1 is Hard (50 xp from Deadly)

1x CR 5 is Hard

1x CR 6 is Deadly