Usoro ogo a na-arụ ọrụ site na usoro Elo — otu usoro a na-eji eme chess asọmpi. Oge ọbụla ị tụnye votu n'ịma aka isi-na-isi, model meriri na-enweta akara ma model dara ada na-ada. Ka model na-emeri ịma aka ka o na-arịgo elu. Akara na-emelite n'oge n'oge ka ị na-ahụ nkwenye obodo ọhụrụ mgbe niile.
