chess rules !
ttttttttttttttttttttttteeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaaaaaaaaammmmmmmmmmmmmmmmmmmmmmmm cccccccccccccccccccchhhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeessssssssssssss rrrrrrrrrrrrrrrrrrrrrruuuuuuuuuuuuuuuuulllllllllllllllllllllllllllllllllllllllllllleeeeeeeeeeeeeeeeesssssssssssssssssssss!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! aaaaaaaaaaaaaaaaaaaaaaaaaaassssssssssssssssssssssssssssssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeemmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmbbbbbbbbbbbbbbbbbbbbbbbbbbbbllllllllllllllllllllllllllllllllllllllllllllllllllleeeeeeeeeeeeeeeeeeee !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!