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There are at least two categories of chili according to the International Chili Society:

Traditional Red Chili is any kind of meat, or combination of meats, cooked with red chili peppers, various spices and other ingredients. Beans and non-vegetable fillers such as rice and pasta are not allowed. Preference is not given to either cut meat, ground meat, shredded meat or cubed meat.

Homestyle Chili is any kind of meat, or combination of meats, and/or vegetables cooked with beans, chili peppers, various spices and other ingredients. Homestyle chili may be any color. Beans are required. Preference is not given to either cut meat, ground meat, shredded meat or cubed meat. Seafood is allowed.

International Chili Society Contestant rules, page 1, section 3. The rules can be found at https://chilicookoff.com/