DATA · SCIENCE · NEWS

Behind the Swing

The golf knowledge magazine by golftoolbox: physics, test data, rules and the latest gear – all about your swing.

Bunkerschlag aus nassem Sand: Technik und Regeln

Bunker mit nassem, hartem Sand: Fuß-Test, Wedge-Wahl, Eintrittspunkt, Drills und die Bunker-Regeln im Winter. Mit Sand-Check.

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Course rating and slope explained: how tough is your golf course really?

What course rating, bogey rating and slope mean, how a golf course is rated and why a high slope gives you more shots – with a course check and a personal handicap table.

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Handicap calculator: how to work out your Handicap Index and playing handicap (WHS)

Work out your Handicap Index, score differential and playing handicap yourself: the free WHS calculator with all the formulas, the table for fewer than 20 rounds and the rules on soft and hard cap.

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What does golf cost? Membership, remote membership or green fees (with cost calculator)

Golf cost calculator: what does golf cost you per year and per round – and from how many rounds does full membership pay off compared with remote membership and green fees? With typical prices in Germany and your own club prices.

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Calculating your handicap: how your Handicap Index works (with calculator)

Best 8 of 20, slope, course rating and course handicap: how your Handicap Index is calculated, why it can go up after a good round and what changed for 9-hole rounds in 2024. With a calculator for your course handicap and your index.

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Green card 2026: process, costs and exam – with cost calculator and checklist

What does the green card (Platzreife) cost, how does the exam work and what comes next? Everything beginners in Germany and Switzerland need to know – with a cost calculator for your first golf year and a checklist to tick off.

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Golf rules in autumn & winter – leaves, frost, snow and preferred lies: what really applies

You can move leaves, but not frost. Snow is your choice. And preferred lies only apply if your club allows them. The key rules for autumn and winter at a glance.

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Warm golf balls in autumn – more distance or myth? What tests and the rules say

Does a warm golf ball fly further? Lab and on-course tests show up to 8 m difference. Plus: what the Rules of Golf say about warming balls, leaves and dew.

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Golf beginner's guide 2026 – everything you need to know

Green card, handicap, costs, equipment – the most searched golf questions in Germany. Answered clearly, no jargon. Your start in golf begins here.

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