Review queue

Spaced repetition: each system comes back just before you would forget it. Fast, correct answers stretch the interval; a miss brings it back the same day.

Free practice: System 1.5 (short–long–short, start from the short cushion)Score 0/0
432164204.531.5021
On the table, the ringed ball is your ball (1).
System 1.5 (short–long–short, start from the short cushion)
Aim = Start + Spin − Arrival
Your ball:White(cue ball · 1)
Other balls:YellowRed
Expected shot:System 1.5 (short–long–short, start from the short cushion)Bricole (cushion first)Cushion orderShort → Long → Short

The cue ball goes to the cushions before touching any ball; after the cushions in order it hits the balls.

Given:
Spin (running)0Arrival2Start4
In this position, what is Aim?

Task: put the given values into the system's formula and calculate Aim. Enter the answer as the number read on the table's Aim scale.