Also glad to know you've tested not only with EURYSD, but also with many multicurency pairs and found out to be gained poor results from them.
BTW, could you please list the brokers you've tested with?
I agree with you that tight spread is necessary condition in using this ea, along with small slippage, no re-quotes, and excellent execution speed to make profitable trades.
If the problem of bad results with currencies other than EURUSD is in the matter of the spreads, I think some ECN brokers can make it, as some forex brokers offer as tiny spreads as EURUSD with other major currency pairs, as well.
Well, I also tested with many currency pairs other than EURUSD, but not changing time frame.
As far as my forward test on IrisFX, strategy 2 seems unstable in its function by default setting, especially the trend is not strong or in box range.
(For this reason, strategy 2 works very good with some special occasions, such as the time of announce of the non farm payroll, etc...)