Hi dtjcsky,
It is number of losing markets which loss is being recovered at same time.
Example:
Market 1 loses 10gbp
Market 2 loses 20gbp
So if number of losses in loss pot is 1 then first 10gbp will be recovered for first market and after that 20gbp will be recovered for second market.
If number of losses in loss pot is 2 then both losses would be recovered at same time, that is 30gbp would be recovered with next market bets.
Regards,
Rade