Game guide · BDPSFJS
A practical guide to Gin Score Calculator
Take a moment to read the table. 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. Check the relevant controls before continuing.
Fixed house bonuses of 25. It does not include line bonuses or a match-end bonus.
One thing to notice as you play
Take a moment to read the table. Enter the defender’s deadwood after any legal layoffs; against Gin no layoff is allowed. The same rule applies on a phone and on a computer.
What the game asks you to do
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. For a calm first round, focus on one decision.
From the start of a round
- 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.
Input guidance
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Return to the explanation when a decision is unclear. Begin with the objective.
Put the rules into context
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
Work at your own pace. Enter post-layoff values. This arithmetic tool does not choose card groupings from card images. Return to the explanation when a decision is unclear.
Clarifying the way this game works
What is the aim?
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Work at your own pace. Take the next action only when the current step is clear.
How do I use the controls?
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Keep the active rule in mind. 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. Begin with the objective. Take the next action only when the current step is clear.
What should I check before a move?
Enter post-layoff values. This arithmetic tool does not choose card groupings from card images. Keep the active rule in mind. Take the next action only when the current step is clear.
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. A clear plan starts with the current position. 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. For a calm first round, focus on one decision. Use another round to revisit a decision.
Can I use other Gin bonus values?
This calculator uses the same 25/25 values as this site’s Gin table. Keep the active rule in mind. Return to the explanation when a decision is unclear.
Does it automatically lay off cards?
No. Enter the defender’s final value after layoffs. The playable Gin table performs card-based layoff analysis. Look at the complete hand before deciding. Take the next action only when the current step is clear.
Do I need an account or an app?
No. Open the page in a JavaScript-enabled browser. No player account or APK is needed. Keep the active rule in mind. Use another round to revisit a decision.
Are these scores cash or prizes?
No. Points are used only for free play and practice. There are no deposits, cash stakes or withdrawals. Take a moment to read the table. Take the next action only when the current step is clear.