Negotiation or chess?
Its combinations are limitless. Its process effective only if combined with a great deal of imagination and intelligence.
Its protagonists are uncertain about the future. The psychology of the other side is important and nothing is assured till the end.
Although in chess everything starts from equal positions, this is a rare beginning in the real world of negotiation.
Finally, by employing patience, a sudden vision, and technique, the skilful negotiator or player makes the difference and fulfils his goal.