Combine the chile, bell pepper, thyme, and Worcestershire sauce and mix will.
Saute the garlic and shallots in the butter until lightly browned. Stir in the tomato paste, wine, and vinegar. Add the chile mixture, bring to a boil, reduce the heat, and simmer for 5 minutes. Allow to cool.
Marinate the chicken in the sauce for 3 to 4 hours in the refrigerator.
Preheat the barbecue. Arrange the chicken on the hot grill and cook, turning pieces often and basting with sauce.