Game guide · MAUFITZ
An introduction to playing Gin Score Calculator
Treat this as a chance to practise one rule. Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Take the next action only when the current step is clear. Take a moment to read the table. Enter the knocker’s deadwood from 0 to 10. Zero means Gin. Return to the explanation when a decision is unclear.
Fixed house bonuses of 25. It does not include line bonuses or a match-end bonus.
One thing to notice as you play
Keep the active rule in mind. Enter the defender’s deadwood after any legal layoffs; against Gin no layoff is allowed. Check the relevant controls before continuing.
What you are aiming for
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Take the next action only when the current step is clear. A clear plan starts with the current position.
The order of play
- Enter the knocker’s deadwood from 0 to 10. Zero means Gin.
- Enter the defender’s deadwood after any legal layoffs; against Gin no layoff is allowed.
- Calculate the result. Gin scores 25 plus defender deadwood; an undercut scores 25 plus the difference.
- For an ordinary successful knock, the knocker scores only the positive difference.
Choosing and moving on screen
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Take the next action only when the current step is clear. Work at your own pace.
An example before you play
A knock of 8 against 5 is an undercut: the defender receives 28. Gin against 18 earns the knocker 43. Take the next action only when the current step is clear.
An important reminder
Keep the active rule in mind. Enter post-layoff values. This arithmetic tool does not choose card groupings from card images. Check the relevant controls before continuing.
Further help with the game
What is the aim?
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Begin with the objective. Check the relevant controls before continuing.
How do I use the controls?
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Use the rule sheet as a reference. The same rule applies on a phone and on a computer.
Which format is available?
Fixed house bonuses of 25. It does not include line bonuses or a match-end bonus. Look at the complete hand before deciding. Check the relevant controls before continuing.
What should I check before a move?
Enter post-layoff values. This arithmetic tool does not choose card groupings from card images. Before making a move, check the cards in view. The same rule applies on a phone and on a computer.
Can you give an example?
A knock of 8 against 5 is an undercut: the defender receives 28. Gin against 18 earns the knocker 43. Look at the complete hand before deciding. The same rule applies on a phone and on a computer.
How is a tie scored?
A non-Gin deadwood tie is an undercut, so the defender receives 25 points. Begin with the objective. Take the next action only when the current step is clear.
Can I use other Gin bonus values?
This calculator uses the same 25/25 values as this site’s Gin table. Look at the complete hand before deciding. Check the relevant controls before continuing.
Does it automatically lay off cards?
No. Enter the defender’s final value after layoffs. The playable Gin table performs card-based layoff analysis. A clear plan starts with the current position. The same rule applies on a phone and on a computer.
Do I need an account or an app?
No. Open the page in a JavaScript-enabled browser. No player account or APK is needed. A clear plan starts with the current position. Check the relevant controls before continuing.
Are these scores cash or prizes?
No. Points are used only for free play and practice. There are no deposits, cash stakes or withdrawals. A clear plan starts with the current position. The same rule applies on a phone and on a computer.