GO FOR IT SIMULATOR

Try game context inputs and get an instant fourth-down conversion probability.

J-for-it Algorithm: This tool uses a context-only fourth-down model trained on nflverse play-by-play data (1999-2025). Because this site is static, the browser loads a large precomputed lookup grid generated from that model, then returns the nearest-bin probability in real time.

Situation input

Quarter

Clock (MM:SS)

Yards to go

Field position (yardline_100)

1 = goal line, 99 = own 1

Offense score

Defense score

Roof

Surface

Weather

Loading model lookup...

Go-for-it success chance

--.-%

success

Fail: --.-%

Score diff: --

Enter a scenario to start.

Tip: This tool is for decision context and entertainment, not an official coaching recommendation.