BOT

Chess Bot

CM

Candidate Master

CTD

Clock Time Delay

ELO

ELO rating system

FIDE

Fédération Internationale des Échecs

FM

FIDE Master

GM

GM

Grandmaster

IM

International Master

IMSA

International Mind Sports Association

MSO

Mind Sports Organisation

PGN

Portable Game Notation

TCEC

Top Chess Engine Championship