Few, however the patches were different depending on the.

2 Bishop -> 2 Bishop -> 2 Knight -> 2 Knight -> 2 Bishop -> 2 Bishop -> 2 Knight -> 2 Knight -> 2 Knight -> 2 Pawn -> 1 Passive 1 -> P1 Each slot replaces a normal chess piece, and additional "passive" slots can be added to our ship. Looking at the Slug, ready to collect the crockery as I've finished.