Between 8:00 AM GMT and 15:59 GMT it opens a GBPJPY (ver. 2) trade in the direction of the previous hourly bar for either a 31 pips gain or a 30 pips loss. E.g. If the previous hourly bar close is lower than the open price, it shorts an initial 0.4 lots GBPJPY. It the trade results in a loss, it doubles the trade amount. When it finally closes in profit, it resets the trading amount to 0.4 lots.