Barbecue Ribs

• 4 spareribs to serve (cut)
• 4 above coals (inches)
• 2 garlic (cloves)
• 220 gr brown sugar
• 120 ml chili sauce
• 60 ml catsup
• 60 gr dark rum
• 60 ml worcestershire sauce
• 60 ml soy sauce
• 5 ml dry mustard