He lost his life in a gunfight.

He performs at his best in regular games.

He engaged in psychological warfare in the chess match.

The contest for this trophy is very intense.

He got an ancient battleaxe.

He lost the match, but through that experience, he won the game of self-growth.

He became the champion of the mixed martial arts competition.

He is good at devising strategies for siege warfare.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.