Ruby version and gemset
Gemfile
Using Rubinius for the fun of it
Ignoring .rbx folder
Fail: the game starts with an empty board
Pass
Refactor: extract SUT to let block
Fail: the first turn is for player1
Pass
Fail: making a move passes turn to the next player
Pass
Refactor: remove mutability
Fail: board is no longer empty after making a move
Pass
Fail: knowing who the winner is
Pass
Fail: knowing when player2 wins
Pass
Refactor: (big one) extract board class
Refactor: reverse parameter order in game