I like the idea, but I feel the way it's implemented atm doesn't fit the game you're trying to make. In your game you get chased and there is almost no time to second guess the directions you've chosen, so when you have to quickly jump somewhere, you're either lucky or you have to roll the dice, at which point the enemy has caught up and you die soon after. I would either speed up the rolls to the point it's about hitting space exacly at the right time to get the right amount of height, or slow down the level and make a puzzle mechanic out of it. I really love games like Super Meat Boy, so I know what I would do ;)