I have a problem with auto surrender in
Game number 2434, move 53. Situation = Ville de Paris is the only enemy ship on the map.
Turn: 51
Ville de Paris without rigging, will surrender if raked.
Victory shot at Ville de Paris's Rigging. Hdt:3,Dice:2 (Guns:-2,Crew:2,Rake:3) Damage: 2 Rigging
Turn: 52
Victory shot at Ville de Paris's Rigging. Hdt:3,Dice:1 (Guns:-2,Crew:2,Rake:3) Damage: 1 Hull 1 Rigging
***No Surrender?*** 
Victory is not raking Ville. Check the definition of rake. Also, you must be targeting the hull and you can't beyond 5 hexes.