Team Scenario:
Drag offensive players on floor to test spacing & shooting gravity
24.0s SHOT CLK
Expected OffRtg
118.4
Base lineup
Expected DefRtg
109.1
Base lineup
Net Rating Swing
+9.3
Healthy unit
Spacing Index
88 / 100
Elite 5-out

The Geometry of Sudden NBA Rotation Dislocations

When an indispensable engine or second star goes down—such as Jalen Williams suffering a sudden lower-leg trauma alongside Shai Gilgeous-Alexander—the consequence is never a simple point subtraction. In modern high-pace basketball, an injury ruptures three intertwined systems: usage vacuum absorption, drive-and-kick floor spacing, and defensive switchability.

Usage Vacuum Math

A 24% usage playmaker cannot be replaced by a single bench wing. Inevitably, the primary creator's usage spikes toward 35-38%, degrading shot-quality efficiency as opponent defenses collapse into nail-help and early trapping corridors.

Floor Spacing Gravity

Subbing in a non-shooter or defensive specialist condenses the floor by an average of 4.2 feet per possession. Rim finishes decrease by 11.4% when two weak-side defenders can abandon their assignments to dig in the paint.

Switchability & DefRtg Drop

Secondary perimeter stoppers prevent mismatch hunting. Removing versatile length forces schematic compromises: drop coverage against pull-up creators or soft zones that concede above-the-break corner threes.

Frequently Asked Strategic Questions

How does this lab model usage redistribution after a star injury?
The engine takes the vacated usage rate (USG%) and true shooting baseline of sidelined players and disperses it according to creator hierarchy. Remaining primary initiators absorb high-leverage late-clock possessions, while secondary spot-up wings see an increase in contested catch-and-shoot looks.
Can you drag players to different tactical floor positions?
Yes. On the half-court canvas above, click and drag any player node into corner spots, top of the key, or dunker spot. The Spacing Index and Offensive Rating recalculate in real-time based on perimeter spread and paint clearance.
How are Net Ratings calculated?
Expected points per 100 possessions are modeled using five-man weighted offensive ratings minus defensive ratings, calibrated with on/off net rating samples, spacing penalties, and lineup defensive rim protection coefficients.
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