Hungary built up an expensive but obsolete army, structured similarly to that of King Francis I at the Battle of Pavia and mostly reliant on old fashioned heavily armoured knights on armoured horses (gendarme knights).
Suleiman could not believe that this small, "suicidal" army was all that once powerful country could muster against him, so he waited at Mohacs for a few days before moving cautiously against Buda [REF].