Washington Nationals @ Philadelphia Phillies
WNAwayWashington Nationals32%
@PPHomePhiladelphia Phillies68%
Model PickPhiladelphia Phillies 68%Market edge — disclosed after closing odds are collectedEvidence 12 structured
The model favors Philadelphia Phillies at 68% — a clear favorite. The main drivers are Starting Pitcher Matchup, Team ERA, offset by Team OBP.
Logistic-regression statistical model — predicts Washington Nationals vs Philadelphia Phillies by accumulating the log-odds contributions of 12 proven structured metrics. Only structured metrics enter the probability; qualitative and folklore factors get a label only. Predictions are sealed with SHA-256 before the game.
Model factor contribution How the 68% home win was derived
Home Advantage+2.5
Pythagorean Expectation-0.5
Season Win%+0.8
Last 10 Games Form+3.7
Home/Away Split-0.5
Team OBP-3.3
Team SLG-3
Team ERA+4.8
Team WHIP+2.2
Starting Pitcher Matchup+10.7
Baseline 50% → final home win67.5%
Each factor's log-odds contribution accumulated · only structured metrics reflected (qualitative/folklore excluded) · each %p converts log-odds to probability, so it's non-linear — a simple sum may not exactly equal (final − baseline)
Structured metric analysis 12 metrics · fully disclosed
| Metric | Analysis (home vs away) | Source |
|---|---|---|
| Home Advantage | Philadelphia Phillies at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 49.8% (505 RS/507 RA) vs Away 51.0% (620/606) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 61-54 (.530) vs Away 56-60 (.483) | MLB StatsAPI |
| Last 10 Games Form | Home 5-5 vs Away 2-8 · Home L1 | MLB StatsAPI |
| Home/Away Split | Home team home 30-28 · away team away 33-26 | MLB StatsAPI |
| Team OBP | Home .305 vs Away .327 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .399 vs Away .439 (OPS .704/.766) | MLB StatsAPI |
| Team ERA | Home 4.20 vs Away 4.75 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.31 vs Away 1.40 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Cristopher Sánchez (ERA 2.61) vs Away Miles Mikolas (ERA 5.67) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .279 · K 999 · BB 344 / Away BABIP .288 · K 960 · BB 413 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 3.26 · HR9 1.22 / Away K/BB 2.14 · HR9 1.40 | MLB StatsAPI |
Qualitative & folklore factors None
This game has no extracted qualitative factors — we don't invent factors without a basis.
12 source headlines (auto-collected · basis disclosed)
- Washington Nationals at Philadelphia Phillies Preview - 08/03/2026
- Phillies 6-3 Nationals (Aug 3, 2026) Game Recap
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/04/2026
- Washington Nationals vs. Philadelphia Phillies: Game Highlights
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/03/2026
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/05/2026
- Washington Nationals at Philadelphia Phillies Preview - 08/04/2026
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/04/2026
Frequently asked questions This game's prediction summary
Washington Nationals vs Philadelphia Phillies — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Philadelphia Phillies a 68% chance to win (Home 68% · Away 32%). MLB · 2026-08-07 07:05 KST.
How was the 67.5% home-win probability calculated?
Starting from a 50% baseline, we additively accumulate the log-odds contributions of 12 proven structured statistical metrics to reach the final 67.5%. Each factor's %p contribution is fully disclosed on the page; qualitative and folklore factors are not reflected in the probability.
Can this prediction be altered later?
No. Every prediction is sealed with a SHA-256 hash before the game starts and permanently recorded in the track record, making after-the-fact changes impossible. SealedSlate runs a transparent ledger that never inflates the hit rate and leaves missed predictions exactly as they were.
We don't compete on hit rate — every factor is fully disclosed and labeled. Only 📊 structured stats feed the probability (each factor's contribution shown in %p); ⚔️🔮 are context to weigh. Predictions are locked and sealed before the game — verify the hits directly on the track record.