The patch also removes the "Chemistry" system used in FUT. Instead, team chemistry is based on historical accuracy—if you play the 1986 Maradona Napoli squad, the team plays as a cohesive unit automatically.
: It features hundreds of classic kits (sponsored and unsponsored) and accurately modeled historical stadiums that are no longer available in modern titles. Database Overhaul Fifa 15 Classic Patch
As an older title, it runs smoothly on modern hardware, allowing for 4K resolutions and high-fidelity texture mods that weren't possible at launch. 4. Impact on the Community The patch also removes the "Chemistry" system used in FUT