In kendo, we have a saying; There are mysterious victories but there are no mysterious losses. There are reasons why we lose in shiai. And we really have to learn from them. I would like to share what I have learned from my losses in my recent shiai experience.
If you want to learn about seme in detail, I recommend “Interview with Alex Bennett“. This video helps you to understand what really seme is. This is something you really have to understand if you are going for 4-dan and up.