What is the difference between IM and a GM?

How much Elo does it take to become an IM?

The first IM titles were awarded in 1950 and the requirements to achieve this distinction have undergone a number of changes since then. Currently, FIDE awards the title of International Master to a player who reaches 2400 Elo points in classical chess and achieves 1 IM norm.

How does one achieve the title of GM?

Throughout history there have only been 1,928 grandmasters worldwide. Currently FIDE awards the title of Grandmaster to a player who reaches 2500 Elo points in classical chess and achieves 3 GM norms.

Who has the highest ELO?

The current world champion Magnus Carlsen has the highest ELO ever achieved by a human 2881 points. Computers have taken chess to another level, Alpha Zero has reached 3400 ELO points.

Who is the best player in history?

Among the position of the "best chess player" there are several, but the best in history is Garry Kasparov, although there are many who are close, the 10 best in history are.
1- Garry Kasparov
2- Magnus Carlsen
3- José Raúl Capablanca
4- Bobby Fischer
5- Anatoly Karpov
6- Emanuel Lasker
7- Vladimir Kramnik
8- Wiswanathan Anand
9- Mikhail Botvinnik
10- Tigran Petrosian

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