Авилов Михаил 1882 1954 Поединок на Куликовом поле 1943 холст масло 327х557 см часть 1 - Russian and soviet artists Русские и советские художники

The picture has something of this: cavalry, skirmish, armor, weapon, war, warrior, sword, people, soldier, vintage, smoke, combat, knight, flame, man, helmet.
Perhaps it’s a painting of a man riding on the back of a horse next to another man.