I like your method, I'm looking at forex strategies in the direction of the day's open and they are all looking like what you mentioned in terms of hit rate and R:R. For more inspiration, you can take a look at Pipeasy and Peter Crown's threads on ...

Open Range Break - 100% Mechanical

The most important thing I learned in trading is that it is not an in-out and make money each time game. It's about finding a position, catching a trend, and scaling out to lock in profits. That was the only way trading worked for me.

Food for Trading Thought