Proofset AcademyModule 4 · Bankroll managementLesson 4.5Free · 25 min

Keeping a betting log

Memory mainly retains the wins (lesson 3.2). A log retains everything. It is the only way to know how you really bet: how many bets, how many won, at what odds. This lesson gives a log template, and how to read it every 50 bets.

Part 1

Why keep a log

Memory sorts

You remember the big wins and the infuriating defeats, not the dozens of ordinary bets. Memory gives a false picture.

The log counts

Every bet has its line, whether won or lost. Nothing is forgotten, nothing is embellished.

The log protects

It shows straight away if the stake has drifted, if you are betting more often, or if you are stepping outside your method.

Part 2

The columns of a useful log

One line per bet, recorded as soon as it is settled.

Date and match

When, and which match.

Bet and odds taken

On whom, and at exactly what odds.

Minimum odds

The odds shown on the Proofset card, to know whether the odds taken were above them (module 5).

Stake and result

The stake in units (lesson 4.1), and the result: won or lost.

Part 3 · Your turn

The practice log

Here is a practice log, with fictitious matches and players. Add your own lines to practise: they stay on your screen and disappear when you close the page.

DateMatchBetOdds takenMinimum oddsStake (units)Result

Part 4 · The review

What to look at every 50 bets

The review updates with each line added.

Bets
Success rate
Average probability of the odds taken
Bets above the minimum odds

The success rate

Bets won ÷ bets placed. On its own, it says little: winning 70 % of bets at very low odds is nothing exceptional.

The average probability of the odds

The average of 1 ÷ odds over the bets placed: what the market gave, margin included. The success rate must exceed it, over time (lesson 2.5).

The minimum odds

The share of bets taken at odds at least equal to the Proofset minimum odds: it tells you whether you are following your method.

Part 5

Making it a habit

Straight away

Record each bet as soon as it is settled, won or lost, even the one you would rather forget.

One single place

A notebook, a spreadsheet, a note: it does not matter, as long as all bets, on all sites, are in the same place.

Without jumping to conclusions

A method cannot be judged on fewer than a few hundred bets (lesson 4.3). A review over 12 bets says nothing.

A warning sign

If you no longer feel like keeping your log, or if you leave out the losses, that is a sign to take seriously (lesson 3.1).

Key points

  • The log replaces memory, which mainly retains the wins.
  • Every 50 bets: the success rate, the average probability of the odds taken, the share above the minimum odds.
  • Nothing can be concluded from a few dozen bets. The log is first and foremost a way to stay within your rules.
Part 6

Test yourself

6 questions. You need 5 correct answers to pass the lesson. This is the last lesson of module 4.

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