Choose the correct variant. My friend ... chess with my grandpa the day before yesterday.

The correct answer is 'played'. Translation: Выберите правильный вариант. Мой друг ... в шахматы с моим дедушкой позавчера. Explanation: The phrase 'the day before yesterday' indicates that the action took place in the past. Therefore, the correct form of the verb 'play' is the past simple tense, which is 'played'. Ответ: **played**