geekLections Interactive Tool · Instant-Runoff Preference Allocator 3-Cornered Contest Explorer
Interactive Preference Allocator & Order-of-Exclusion Simulator
Adjust Primary Vote Shares & Preference Transfer Flows
In 3-cornered contests (e.g. ALP vs GRN vs LNP in Macnamara, Brisbane, Griffith, or Richmond), a 1% primary vote shift between 2nd and 3rd place flips the elimination order and changes the final 2CP winner. Drag the primary sliders below to see every count round update live:
1. First-Preference Shares (Auto-Normalized to 100%)
ALP Labor Candidate 31.5%
LNP Coalition Candidate 34.0%
GRN Greens Candidate 24.5%
ONP One Nation Candidate 4.5%
IND Independent Candidate 5.5%
2. Count-by-Count Distribution of Preferences (DOP)
| Count Round | ALP | LNP | GRN | ONP | IND | Action |
|---|---|---|---|---|---|---|
| Count #1 | 31.50% | 34.00% | 24.50% | 4.50% | 5.50% | Eliminate ONP & distribute preferences |
| Count #2 | 32.49% | 36.61% | 24.73% | — | 6.17% | Eliminate IND & distribute preferences |
| Count #3 | 35.64% | 38.84% | 25.51% | — | — | Eliminate GRN & distribute preferences |
| Count #4 | 58.78% | 41.22% | — | — | — | Final 2CP Count |
Final Two-Candidate Preferred (2CP) Result
ALP (58.78%) vs LNP (41.22%)