98 points is a lot so here's the answer
The principal character is Waverly Jong her motivation is to motivate the invisible strength in life and in chess. All this because of her mother from whom she learned that mastering the invisible strength will give you a lot of benefits and I'll make you a winner along your way.There are two important quotations about this:* I was six when my mother taught me the art of invisible strength. It was a strategy for winning arguments, respect from others, and eventually, though neither of us knew it at the time, chess games.* I discovered that for the whole game one must gather invisible strengths and see the endgame before the game begins.