MLB Grade — 2026-08-13

How the 2026-08-13 predictions scored against actual results

3/9 correct (33%) · log-loss 0.752 · Brier 0.279 · avg margin error 5.2 · avg total-runs error 3.7

Running record: 51/94 (54.3%) · cumulative log-loss 0.687 · cumulative Brier 0.247

GamePickPredictedActual
❌Reds @ White SoxWhite Sox (56%)4.6–4.28–9 (home first)
✅Guardians @ TigersTigers (58%)4.7–4.13–0 (home first)
❌Rangers @ AngelsRangers (53%)4.6–3.97–0 (home first)
❌Brewers @ DodgersDodgers (53%)4.5–4.44–5 (home first)
❌Pirates @ MarlinsMarlins (55%)4.6–4.31–13 (home first)
✅Phillies @ TwinsPhillies (51%)4.7–4.31–7 (home first)
❌Mariners @ YankeesYankees (60%)4.6–3.70–1 (home first)
✅Red Sox @ Blue JaysRed Sox (53%)4.6–40–7 (home first)
❌Cubs @ NationalsCubs (57%)5.4–4.37–0 (home first)

Log-loss baseline: 0.693 is a coin flip, ~0.691 is always-pick-home; the model's 2009–2025 backtest ran 0.680.

Betting-blind Elo model (K=3, +24 home, MOV-weighted, 60% season carryover) · Can Tre Beat Vegas · whosyurgoat.app/vegas/mlb