Washington Nationals @ Philadelphia Phillies
WNAwayWashington Nationals46%
@PPHomePhiladelphia Phillies54%
Model PickPhiladelphia Phillies 54%Market edge — disclosed after closing odds are collectedEvidence 12 structured
The model favors Philadelphia Phillies at 54% — a slight edge. The main drivers are Team ERA, Last 10 Games Form, offset by Starting Pitcher Matchup.
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 54% home win was derived
Home Advantage+2.5
Pythagorean Expectation-0.1
Season Win%+1
Last 10 Games Form+3.7
Home/Away Split-0.3
Team OBP-3.1
Team SLG-2.8
Team ERA+5.3
Team WHIP+2.4
Starting Pitcher Matchup-4.3
Baseline 50% → final home win54.3%
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 50.4% (501 RS/497 RA) vs Away 50.6% (610/602) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 61-53 (.535) vs Away 55-60 (.478) | MLB StatsAPI |
| Last 10 Games Form | Home 5-5 vs Away 2-8 · Home W4 | MLB StatsAPI |
| Home/Away Split | Home team home 30-27 · away team away 32-26 | MLB StatsAPI |
| Team OBP | Home .305 vs Away .326 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .401 vs Away .439 (OPS .706/.765) | MLB StatsAPI |
| Team ERA | Home 4.17 vs Away 4.78 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.30 vs Away 1.40 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Andrew Painter (ERA 6.72) vs Away Jake Irvin (ERA 5.56) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .281 · K 994 · BB 338 / Away BABIP .288 · K 949 · BB 405 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 3.30 · HR9 1.23 / Away K/BB 2.16 · HR9 1.41 | 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 - 08/03/2026
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/04/2026
- Washington Nationals vs. Philadelphia Phillies: Game Highlights
- Washington Nationals at Philadelphia Phillies Preview - 08/04/2026
- Washington Nationals at Philadelphia Phillies Game Story, Scores/Highlights - 08/03/2026
- 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 54% chance to win (Home 54% · Away 46%). MLB · 2026-08-06 07:40 KST.
How was the 54.3% 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 54.3%. 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.