You only need one experienced telepathic person who is able to read the minds of the opposite party.
see: http://vixra.org/pdf/1612.0026v1.pdf
Democratic Free Will and Telepathy in the Instant Entangled Multiverse.
Super-you: We’re all reading each other’s minds, all the time.
see also: https://arxiv.org/pdf/1512.00554v2.pdf
https://www.youtube.com/watch?list=PLcJEePy6IR3V9GYnE5Mz40CUd_TLvWUlG&v=FlUiFO5cZZA