initial
add manager bonus for one level of employees
method to get all sub employees and calculate manager bonus
initial chess layout.
modeling pieces
modeled queen and king moves.
refactor moves.
extract possible_moves methods from piece to individual piece classes.
extract classes to separate files.
Functional Board display, Can move pieces
Board interacts with class Piece
olena is a genius that dazzles her subjects.
modified Player::ask_move method
Updated BOARD display
small tweak to towers of hanoi
Add 'w2d2/chess/' from commit 'e917aeaad0d406fffee7f9c8e6ca864ca2bd6391'

git-subtree-dir: w2d2/chess
git-subtree-mainline: a2b5bedb835b60b0d28fc59e3442a6aca19ae546
git-subtree-split: e917aeaad0d406fffee7f9c8e6ca864ca2bd6391
imported chess from remote repo