Predict
Choose the route you expect before you run the shot.
Interactive Simulator · 21 Shots · 1-Rail through 5-Rail
The full training system.
21 bank shots with real physics — vector math, proper rail reflection with spin and english, speed decay, scratch detection. Diamond system reference. All five rail categories.
OutcomeAwaiting shot
Estimated cue-ball travel—
Position grade—
03 · Use the Replay
Change one variable at a time.
Run the same scenario repeatedly. Adjust only contact point, speed, or aim. Compare the cue-ball route and position grade. That is how invisible cause and effect become visible.
Observe
Watch how spin, speed, and rail contact change the result.
Repeat
Replay the shot, make one adjustment, and build a reliable reference.