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MechaPip Glicko-2 Model Update
Version 2026-08-23 - August 23, 2026
MechaPip Glicko-2 ratings updated to version 2026-08-23 on August 23, 2026 across WNBA and MLB. Each table lists the largest rating movers, with rating deviation (RD) as the uncertainty measure.
WNBA (10 movers)
| Team | Rating | Change | Volatility |
|---|---|---|---|
| Toronto Tempo | 1352.0 | +12.3 | 59.0 |
| Portland Fire | 1417.5 | -11.6 | 58.1 |
| Golden State Valkyries | 1570.2 | -6.5 | 41.4 |
| Chicago Sky | 1463.4 | +3.0 | 28.1 |
| Los Angeles Sparks | 1468.1 | +2.3 | 28.9 |
| Indiana Fever | 1523.5 | -2.2 | 27.8 |
| New York Liberty | 1525.0 | +2.2 | 27.4 |
| Connecticut Sun | 1450.4 | -2.1 | 27.7 |
| Atlanta Dream | 1528.3 | +2.0 | 28.2 |
| Washington Mystics | 1502.4 | -1.9 | 28.4 |
MLB (10 movers)
| Team | Rating | Change | Volatility |
|---|---|---|---|
| Cleveland Guardians | 1500.4 | +1.2 | 15.2 |
| Baltimore Orioles | 1497.6 | +1.2 | 14.1 |
| Kansas City Royals | 1488.2 | +1.2 | 14.1 |
| Tampa Bay Rays | 1511.0 | -1.2 | 14.0 |
| Chicago Cubs | 1513.9 | -1.2 | 14.0 |
| Seattle Mariners | 1498.9 | +1.2 | 14.0 |
| Detroit Tigers | 1497.6 | -1.2 | 14.1 |
| Miami Marlins | 1497.6 | +1.1 | 14.1 |
| Washington Nationals | 1490.8 | -1.1 | 14.1 |
| Minnesota Twins | 1495.5 | -1.1 | 14.1 |
FAQ
- What is rating deviation?
- Glicko-2 adds a rating deviation (RD) that measures uncertainty. Teams with fewer recent games have higher RD, while active teams have tighter ratings.
- How are final probabilities built?
- MechaPip blends Glicko-2 with a LightGBM ensemble that includes home advantage, rest, and season stats. Final probabilities pass through calibration before forecasts are published.