RefVantageResearch prototype

Game insights · Home vs Away

Every whistle, every angle

A full 48-minute game: 45 possessions, 39 whistles. For each one, the engine checks what every official could geometrically see of the contact at that instant, and where the nearest clear spot was.

Mock game. Plays, positions and calls are generated to show how the data works at scale — not a real NBA game. Results are geometry counts, never call-correctness or percentages of what anyone saw.

Official

Official 12 blew 13 whistles. At 4 the modeled view was clear; at 9 it was partly or fully blocked — the nearest clear spot was typically 2.5 m away.

Whistles

13

Clear at whistle

4 of 13

Obstructed at whistle

9

review reel below

Typical move to clear

2.5 m

median, within 4 m

By position worked

RolePlaysWhistlesCaller clearCaller obstructedNo official clear
Lead55143
Trail44131
Slot44221

Rotations: this official worked Lead 15× · Trail 15× · Slot 15× across the game.

Review reel · whistles from a blocked view

  • Q1 11:46 · Drive · Offensive foul (charge)

    As Lead, blocked by B1. Nearest clear spot: 2.8 m up court, 1.1 m toward the middle.

    Open
  • Q1 9:45 · Post-up · Shooting foul

    As Lead, blocked by B5. Nearest clear spot: 0.7 m up court, 0.7 m toward the sideline.

    Open
  • Q1 4:30 · Drive · Offensive foul (charge)

    As Slot, blocked by B1. Nearest clear spot: 1.8 m toward the baseline, 1.8 m toward the middle.

    Open
  • Q1 1:21 · Drive · Shooting foul

    As Trail, blocked by A1. No clear spot within 4 m.

    Open
  • Q2 9:37 · Transition · Blocking foul

    As Slot, blocked by A2. Nearest clear spot: 3.5 m toward the baseline.

    Open
  • Q3 4:22 · Corner three · Shooting foul (3PT)

    As Trail, blocked by A4. No clear spot within 4 m.

    Open
  • Q3 2:24 · Drive · Offensive foul (charge)

    As Lead, blocked by B1. Nearest clear spot: 1.8 m up court, 0.8 m toward the sideline.

    Open
  • Q4 2:56 · Drive · Blocking foul

    As Trail, blocked by A1. Nearest clear spot: 2.5 m toward the baseline.

    Open
  • Q4 2:06 · Drive · Offensive foul (charge)

    As Lead, blocked by A1. Nearest clear spot: 1.8 m up court, 1.8 m toward the sideline.

    Open

Play-by-play

Find any play

45 of 45 plays
TimePlayMock callCallerLeadTrailSlot
Q1 11:46DriveHome ballOffensive foul (charge)Official 12 (Lead)● Blockedby B1◐ Partly blockedby A1◐ Partly blockedby A3Open →
Q1 10:38TransitionAway ballShooting foulOfficial 34 (Lead)○ Clear● Blockedby B3◐ Partly blockedby B1Open →
Q1 9:45Post-upHome ballShooting foulOfficial 12 (Lead)◐ Partly blockedby B5◐ Partly blockedby A5○ ClearOpen →
Q1 8:29TransitionAway ballBlocking foulOfficial 34 (Lead)◐ Partly blockedby A1○ Clear◐ Partly blockedby B1Open →
Q1 7:23TransitionHome ballClear-path foulOfficial 57 (Slot)○ Clear◐ Partly blockedby A1● Blockedby B3Open →
Q1 6:05ReboundAway ballLoose-ball foulOfficial 12 (Slot)◐ Partly blockedby A5● Blockedby B5○ ClearOpen →
Q1 5:15TransitionHome ballBlocking foulOfficial 57 (Lead)○ Clear◐ Partly blockedby A1● Blockedby B3Open →
Q1 4:30DriveAway ballOffensive foul (charge)Official 12 (Slot)◐ Partly blockedby A1◐ Partly blockedby B1◐ Partly blockedby B1Open →
Q1 3:25Corner threeHome ballShooting foul (3PT)Official 57 (Lead)◐ Partly blockedby A4○ Clear◐ Partly blockedby B4Open →
Q1 2:08Post-upAway ballOffensive foulOfficial 34 (Lead)◐ Partly blockedby A5○ Clear● Blockedby A2, B5Open →
Q1 1:21DriveHome ballShooting foulOfficial 12 (Trail)● Blockedby B1◐ Partly blockedby A1○ ClearOpen →
Q1 0:20TransitionAway ballClear-path foulOfficial 12 (Lead)○ Clear◐ Partly blockedby B1○ ClearOpen →
Q2 11:36Corner threeHome ballShooting foul (3PT)Official 34 (Lead)◐ Partly blockedby A4◐ Partly blockedby B4● Blockedby B3Open →
Q2 10:29TransitionAway ballNo call—◐ Partly blockedby A1○ Clear◐ Partly blockedby B1Open →
Q2 9:37TransitionHome ballBlocking foulOfficial 12 (Slot)○ Clear● Blockedby O2● Blockedby A2Open →
Q2 8:32ReboundAway ballLoose-ball foulOfficial 57 (Lead)◐ Partly blockedby A5● Blockedby B5○ ClearOpen →
Q2 7:17Pick and rollHome ballShooting foulOfficial 34 (Slot)● Blockedby B1○ Clear○ ClearOpen →
Q2 6:12Corner threeAway ballNo call—◐ Partly blockedby B4◐ Partly blockedby A4● Blockedby B3Open →
Q2 5:03DriveHome ballOffensive foul (charge)Official 34 (Lead)● Blockedby B1◐ Partly blockedby A1○ ClearOpen →
Q2 3:54TransitionAway ballShooting foulOfficial 57 (Lead)◐ Partly blockedby A1◐ Partly blockedby B1○ ClearOpen →
Q2 2:55DriveAway ballOffensive foul (charge)Official 57 (Lead)◐ Partly blockedby A1○ Clear○ ClearOpen →
Q2 1:41ReboundHome ballLoose-ball foulOfficial 57 (Slot)○ Clear◐ Partly blockedby A5◐ Partly blockedby A3Open →
Q2 0:42TransitionAway ballClear-path foulOfficial 34 (Lead)○ Clear◐ Partly blockedby B1○ ClearOpen →
Q3 11:31Pick and rollHome ballNo call—● Blockedby B1○ Clear○ ClearOpen →
Q3 10:40DriveAway ballOffensive foul (charge)Official 34 (Lead)◐ Partly blockedby A1◐ Partly blockedby B1○ ClearOpen →
Q3 9:46TransitionHome ballShooting foulOfficial 34 (Trail)○ Clear◐ Partly blockedby A1○ ClearOpen →
Q3 8:33DriveAway ballBlocking foulOfficial 34 (Lead)◐ Partly blockedby A1◐ Partly blockedby B1◐ Partly blockedby B3, A3Open →
Q3 7:32DriveHome ballBlocking foulOfficial 57 (Lead)◐ Partly blockedby B1○ Clear○ ClearOpen →
Q3 6:21ReboundAway ballLoose-ball foulOfficial 12 (Slot)◐ Partly blockedby A5● Blockedby B5○ ClearOpen →
Q3 5:20Corner threeHome ballShooting foul (3PT)Official 57 (Lead)◐ Partly blockedby A4◐ Partly blockedby B1◐ Partly blockedby B4Open →
Q3 4:22Corner threeAway ballShooting foul (3PT)Official 12 (Trail)○ Clear◐ Partly blockedby A4○ ClearOpen →
Q3 3:09Pick and rollHome ballShooting foulOfficial 57 (Slot)● Blockedby B1○ Clear◐ Partly blockedby A1Open →
Q3 2:24DriveHome ballOffensive foul (charge)Official 12 (Lead)◐ Partly blockedby B1◐ Partly blockedby A1◐ Partly blockedby A1Open →
Q3 1:09DriveAway ballOffensive foul (charge)Official 34 (Lead)◐ Partly blockedby A1◐ Partly blockedby B1○ ClearOpen →
Q4 11:36TransitionHome ballNo call—○ Clear● Blockedby A2● Blockedby B3Open →
Q4 10:46Pick and rollAway ballShooting foulOfficial 34 (Trail)● Blockedby B5○ Clear○ ClearOpen →
Q4 9:29ReboundHome ballNo call—○ Clear● Blockedby A5○ ClearOpen →
Q4 8:10Pick and rollAway ballShooting foulOfficial 34 (Trail)◐ Partly blockedby A1○ Clear○ ClearOpen →
Q4 7:03Post-upAway ballNo call—● Blockedby A5● Blockedby B2○ ClearOpen →
Q4 5:55Corner threeHome ballShooting foul (3PT)Official 34 (Lead)◐ Partly blockedby A4◐ Partly blockedby B4◐ Partly blockedby B3Open →
Q4 5:09Post-upAway ballShooting foulOfficial 57 (Slot)● Blockedby A5○ Clear● Blockedby B2, B5Open →
Q4 4:05Pick and rollHome ballIllegal screenOfficial 12 (Trail)● Blockedby B1○ Clear○ ClearOpen →
Q4 2:56DriveHome ballBlocking foulOfficial 12 (Trail)◐ Partly blockedby B1◐ Partly blockedby A1◐ Partly blockedby A1Open →
Q4 2:06DriveAway ballOffensive foul (charge)Official 12 (Lead)◐ Partly blockedby A1◐ Partly blockedby B1◐ Partly blockedby B3Open →
Q4 0:55Corner threeHome ballShooting foul (3PT)Official 57 (Lead)○ Clear● Blockedby B2○ ClearOpen →