Pro Roster

The delta is universal. The rule that binds is not.

The Team KR delta computed the same everywhere, then wrapped in each league's rulebook.

Case 01 · the delta is universal

One engine values the move, in any league.

Before any rulebook enters, the question is: what does this move do to the team. Team KR re-runs, and a plus-three is a plus-three in Los Angeles, Barcelona, or Shanghai. Composite move.

+3.2
Add a two-way wing, Team KR +3.2. Same computation everywhere: re-run the roster, read the delta. The value of the move is settled before the league is even named.
League-agnostic

This is the constant. Whatever the money rules, the on-court value of a player to a roster is one universal number, so any league speaks the same currency. The delta is the part that travels. Everything else is local law.

Illustrative read on the real universal Team KR delta (the same computation across leagues). Composite move, demonstration figures.

Case 02 · the rule that binds is not

Same move. Three leagues. Three different questions.

Once the delta is known, the league decides whether you can act on it. Wrap the correct rulebook around the same plus-three move, and one clean decision becomes three unrelated ones.

NBA
A cap problem
hard cap, aprons decide the tools
The move is worth +3.2, but whether you can make it depends on your apron tier, which exception you hold, and salary matching.
Bound by: the cap and the apron
EuroLeague
An owner problem
no league cap, budget is the ceiling
There is no league cap at all. The only ceiling is what the owner will spend, so the roster question runs straight into the ownership rating.
Bound by: the owner's budget
China
A quota problem
money abundant, imports limited
The money is not the constraint, the quota is: two imports, one on the floor. The whole build is which two foreigners carry the team.
Bound by: the import quota

The player is worth the same plus-three in all three, and the decision is unrecognizable across them: a cap-and-apron puzzle, a conversation with the owner's wallet, a two-slot quota bet. The rulebook swaps and the delta holds. The value is global. The constraint is local, and it changes everything downstream of the number.

Illustrative read on the real per-league constraint structure (NBA cap and apron, EuroLeague owner budget, China import quota). Generic leagues, demonstration figures.

Case 03 · the build wraps the right rulebook

Value in, correct constraint around it, pieces that feed the ceiling.

A real build is the universal delta wrapped in the league's actual law, plus the pieces that set the ceiling and fill the bench, assembled under one rulebook at a time. A composite EuroLeague build.

ΔThe universal delta. Every candidate move priced by what it does to Team KR, the same as anywhere.
CThe ceiling is the owner. With no league cap, the budget is whatever ownership commits, so the roster question runs directly into the ownership rating: a bigger bench above the bench.
$The cross-league money market. A buyout or transfer fee from another league lands here as a Team KR delta, priced against this league's rulebook, so an incoming EuroLeague-to-NBA or China-to-Europe move is valued in the same currency.
OThe operator who works the bench. The person making these moves is rated on the transaction record he builds, one move at a time, the same portable-actor logic as the general manager.

In a hard-cap league the ceiling row would be the apron, and the money market would run through matching salaries instead of a fee. Same four pieces, different law in the middle, always the rulebook the team actually plays under. Universal value, local constraint, assembled correctly.

Illustrative read on the real wrapped-build structure (universal delta, league ceiling, cross-league money market, the operator). Composite build, generic league, demonstration figures.

The law underneath
The delta is universal. The rule that binds is not.

The value is the constant and the constraint is the variable, and confusing the two builds a roster brilliant on paper and illegal in practice.