Analysis on IRI & Saudi Arabia Approach in Syria (Within framework of Game Theory)

Syria is one of the the competitive areas in the Islamic Republic of Iran and Saudi Arabia's foreign policy. This country has important geopolitical and geo-economic appropriate, so it,s of interest to this regional powers. The strategic situation of Syria is crucially important for I.R.Iran and Saudi Arabia in terms of prestige in resistance movement, national security issues, and Competing together, and expansion of influence in the Middle East. So that Syria is a competitive field and their proxy war.Therefore it has been tried studied Iranian and Saudi Arabia diplomatic approach in Syria by means of descriptive and analytical method within framework of Game Theory. The question is that What is the significance of Syria for These two countries, and What is the policy of These in Syria after Bashar al-Assad, to be able to maintain thes position in the region? It is believed that Iran intends to exit from the existing geopolitical constraints and to expand influence in the Middle East and continuity of its strategic depth using strategic opportunities in Syria and Saudi Araba Following the aim of the policy; up for shortcomings in other regions.