Game guide · SYNTAXCODER
Follow the steps for Gin Score Calculator
Begin with the objective. Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Check the relevant controls before continuing. For a calm first round, focus on one decision. Enter the knocker’s deadwood from 0 to 10. Zero means Gin. Use another round to revisit a decision.
Fixed house bonuses of 25. It does not include line bonuses or a match-end bonus.
Build familiarity through play
Look at the complete hand before deciding. Enter the defender’s deadwood after any legal layoffs; against Gin no layoff is allowed. Check the relevant controls before continuing.
What the game asks you to do
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. For a calm first round, focus on one decision.
The steps to 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.
The controls to know
Use the two numeric fields, then Calculate score. This tool uses whole numbers. Check the relevant controls before continuing. Treat this as a chance to practise one rule.
See the idea in action
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.
Notice this detail
Keep the active rule in mind. Enter post-layoff values. This arithmetic tool does not choose card groupings from card images. Use another round to revisit a decision.
Questions about this game
What is the aim?
Calculate a Gin hand score from the knocker’s and defender’s final deadwood totals. Treat this as a chance to practise one rule. Use another round to revisit a decision.
How do I use the controls?
Use the two numeric fields, then Calculate score. This tool uses whole numbers. A clear plan starts with the current position. Use another round to revisit a decision.
Which format is available?
Fixed house bonuses of 25. It does not include line bonuses or a match-end bonus. Work at your own pace. Return to the explanation when a decision is unclear.
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. 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. Keep the active rule in mind. Use another round to revisit a decision.
How is a tie scored?
A non-Gin deadwood tie is an undercut, so the defender receives 25 points. Keep the active rule in mind. 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. 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. Before making a move, check the cards in view. Return to the explanation when a decision is unclear.
Do I need an account or an app?
No. Open the page in a JavaScript-enabled browser. No player account or APK is needed. Before making a move, check the cards in view. The same rule applies on a phone and on a computer.
Are these scores cash or prizes?
No. Points are used only for free play and practice. There are no deposits, cash stakes or withdrawals. Treat this as a chance to practise one rule. Return to the explanation when a decision is unclear.