# WinRacing V51.1 Installation

1. Back up the existing `winRacing` folder.
2. Copy the supplied `winRacing` folder over the existing project and allow file replacement.
3. Do not import or alter any database table.
4. Open the test URLs below with a race date that already has a V50 run.

## Test URLs

- `/winRacing/analysis_chairman_v51_supreme.php?race_date=2026-07-08`
- `/winRacing/wr_chairman_supreme_decision_ai_v51_0.php?race_date=2026-07-08`
- `/winRacing/Chairman/api/api_supreme_v51.php?action=latest&race_date=2026-07-08`

Expected: Engine version `51.1.0`, Source V50 Run present, Supreme Rank 1..N, and exposure units shown.