Analysis of Relations between Islamic Republic of Iran (IRI) and Saudi Arabia in Iraq Based on the Moves Theory

New Iraq’s political- security developments and its geopolitical changes, from 2003 onwards, resulted to the elevation of position of the Islamic Republic of Iran (IRI) in political - security areas of the Middle East, including Iraq itself, which was traditionally in America, Saudi Arabia and Israel sphere of influence. IRI has also used this opportunity to introduce its capacities, capabilities and values and has infiltrated so much in the Middle East. This is analysed to be to the disadvantage of Saudi Arabia. Riyadh in this game, is looking for ways to block Tehran's spiritual and political influence in the region. And acts on a series of measures to neutralize the regional power of IRI. In this field, Iraq is the first main battleground for competitive policies of Tehran and Riyadh. IRI and Saudi confrontation is such that their competitions in Iraq matched a algebraic outcome of zero principle. Saudi is Minimizing Player and IRI is the Maximizing Player in this battleground. The foreign policy of Saudi Arabia in the Middle East is based on preventing the influence of IRI. This article studies the relations between Iran and Saudi Arabia in Iraq according to the Moves theory in game theory.