Game guide · YCKJ360
Learn the rules of Gin Score Calculator
Before making a move, check the cards in view. Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. The same rule applies on a phone and on a computer. Look at the complete hand before deciding. 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.
Give this approach a try
Before making a move, check the cards in view. 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.
The challenge in front of you
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Use another round to revisit a decision. Before making a move, check the cards in view.
Making your moves
- 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.
How your actions work
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Return to the explanation when a decision is unclear. Look at the complete hand before deciding.
A useful example
A knock of 8 against 5 is an undercut: the defender receives 28. Gin against 18 earns the knocker 43. Check the relevant controls before continuing.
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.
Helpful answers for players
What is the aim?
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. For a calm first round, focus on one decision. 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. Work at your own pace. 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. For a calm first round, focus on one decision. 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. Use the rule sheet as a reference. Return to the explanation when a decision is unclear.
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. Use the rule sheet as a reference. Check the relevant controls before continuing.
How is a tie scored?
A non-Gin deadwood tie is an undercut, so the defender receives 25 points. Use the rule sheet as a reference. The same rule applies on a phone and on a computer.
Can I use other Gin bonus values?
This calculator uses the same 25/25 values as this site’s Gin table. A clear plan starts with the current position. 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. Keep the active rule in mind. Check the relevant controls before continuing.
Do I need an account or an app?
No. Open the page in a JavaScript-enabled browser. No player account or APK is needed. Look at the complete hand before deciding. Take the next action only when the current step is clear.
Are these scores cash or prizes?
No. Points are used only for free play and practice. There are no deposits, cash stakes or withdrawals. Use the rule sheet as a reference. Take the next action only when the current step is clear.
