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The Engine Room

A predictions engine with nothing to hide.

Tipsters show you their winners. We publish everything: every prediction the engine has made, settled and graded — including the losing runs. This page explains how it works, in plain English, and links straight to the live evidence.

Open the live audited record →

76K+ predictions analysed to date

How the engine works

Dozens of live signals in. One suggestion out. You decide.

What it reads

Team and player form, head-to-head history, standings, expected goals, market prices and their movement across bookmakers, rest days, and dozens of derived signals — refreshed continuously through the day.

What it produces

Signals: suggestions with a probability, an edge estimate and the reasoning attached. Every signal carries its provenance — which engine version produced it and from how many inputs.

What it never does

It never places a bet, never hides a result, and never tells you what to do. Signals are suggestions, not instructions. The power is in your hands — and your own record grades your calls.

The audit discipline

What makes this record different from a tipster's.

Every prediction is settled

Predictions enter an append-only ledger the moment they are made, then settle automatically against official results. There is no way to quietly delete a bad month.

Graded against closing odds

Beating the closing line is the standard professional test of real edge. The engine grades itself against it — and grades your bets the same way.

Quarantine, not massage

When our own audits find suspicious data — impossible prices, mis-parsed markets — those rows are publicly quarantined out of the evidence rather than silently fixed. The exclusions are visible on the proof page.

Losing runs stay published

Our July 2026 internal audit found and published honest negative stretches in the record. That transparency is the product: an engine that hides losses cannot be trusted to find edges.

The live record — sample sizes, time windows, Brier scores, calibration and health checks — is generated from the same ledgers the product runs on, and it is there so claims can be inspected, not so losses can be hidden.

Inspect the live evidence →

Now build a record of your own.

The same grading the engine gets — closing-line value, settlement, honest P/L — applied to your bets. Free Betting Audit, no card. 18+.

Get your free Betting Audit
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Become your own tipster — with the record to prove it.

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18+. Ball Sentry is an analytics and tracking tool, not a bookmaker and not financial advice. Set limits. If betting stops being fun: BeGambleAware.org / GAMSTOP.