Combine the soy sauce, water, ginger and garlic in a medium saucepan and bring to a boil. Turn off heat and let cool. Place ribs in a large roasting dish. Cover with the marinade and let marinate in refrigerator for 24 hours.
PEANUT-CHIPOTLE SAUCE:
In a large saucepan, over medium high heat, heat the butter and sweat the onion and garlic until translucent. Add the tomatoes and simmer for 15 minutes. Add the next 8 ingredients and continue cooking for 20 minutes. Puree the mixture in a food processor, pour into a bowl and whisk in the peanut butter, soy sauce, vinegar and chipotle. Preheat grill.
Remove ribs from marinade. Grill the ribs turning and brushing with the sauce until cooked through.