Play Up

Imagine you step onto a tennis court, facing a partner that’s at least 50% better than you. As you volley back-and-forth, you notice the precision of your shots, the power of your serve, and the intensity of your game. Your stronger opponent has raised your level of play, helping you push to new heights of performance.

Now imagine the same scenario against a player 50% worse than you. You know you can win the match handily, so you take it easy. Your play is a bit sloppy and while you win the...