While scanning the MLQ4 Codebase via the MT4 trading platform, I stumbled upon this mechanical trading system which the author claims to work well on EUR/USD, GBP/USD, USD/CHF, and AUD/NZD with profits and minimal losses. See for yourself with these backtest results:
Number of trades 22
Profit/Loss in % 1.93%
Win ratio 90.91%
Largest profit 0.65%
Average profit 0.13%
Average loss 0.39%
Maximum drawdown 0.78%