The following is my understanding of the rules. The additional bet is a fee and does not increase any win amounts, except it adds a five of a kind to the pay table. To enable the Split Card feature, the player must double his bet.
Split Cards are always suited and contain either the same rank or consecutive ranks. When this happens, it is much easier to form high-paying hands. Split Card Poker is a video poker variant by IGT where two cards can occupy one position. On This Page Split Card Poker Introduction Pros and Cons of Using Double up Option in Playing Video Poker Online.Ultimate X Poker Bonus Streak - Example.
My Methodology for Video Poker Analysis.