Hi
Dacoffey I think you have overlooked an important issue. Moves are of diffrent magnitude (in pips) on diffrent ps becasue the absolute levels of exchange rates are diffrent (EURUSD is 1.2 GBPUSD is 1.8). If you measure TP SL in pips you have to have specific rules for each p.
I have a simple 4h/1h support/ressistance system that I tested live (one eurusd usdchf) for some time with diffrent TP SL levels the best results where on the
EURUSD: tp 50 sl 35 (coincidence?

USDCHF: to 100 sl 50
Sometimes my system makes me leave 100 pips on the table but overal the gratest profitability is when tp is 50
cheers good luck