Invest in a loss to win subsequently

Minimize repeating mistakes as much as possible.
Pay attention to psychological and technical errors that have caused you to lose more than twice.

Train with people far more advanced than you.
You will make rapid progress if you train with far more advanced people than you are.

Spend time studying alone.
Finding a quiet time to study by yourself will help you improve in your niche.

Learn diverse techniques of doing something
This will always give you an edge over your competitors who know only one or two techniques.

Meditate.
Meditation will relieve you from anxiety and stress, keeping you in the right state of mind to continue pursuing what you want.

Learn your lessons.
Did you fail because you were tired? Did you lose concentration? Were you afraid to make a game-changing move? Just identify your problem and work on being better next time.