WI: Persian victory in the Battle of Chaldiran

What happens if the Persians defeat the Ottomans in the Battle of Chaldiran on 23 August 1515?

How are the Safavids supposed to win? It's my understanding that the Ottoman use of gunpowder weaPons while the Safavids still looked unfavorably on gunpowder weapons, and this was key to their defeat.
 
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