100644 blob deb66da217944cfc145f5c10cad2f612f720ebd3	BoardImpl.java
100644 blob a120344189d959a08430c6290035527d6b0f38be	ChessFactoryImpl.java
100644 blob 6d3affe520193a0aa932cda69ba6b3137d10c168	ChessPackageImpl.java
100644 blob 9503648fbfcd54586aeaa14c7c435984506ea6d4	PieceImpl.java
100644 blob a6ed2bf11275a3853fa46678c441bb12a0982561	SquareImpl.java