How many years of professional chess coaching is required for a person who is at a level of Elo 1400 to reach a level of Elo 2200? - Quora
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How to Reach 2200 ELO - According to GM Tkachiev - TheChessWorld

Is 1200 Elo ok?
How much time does it take for a chess beginner (ELO 800) to get to 1800 rating in chess.com? - Quora
What percentage of chess players have an Elo rating above 1800 and 2000, respectively? - Quora
Sonas Proposal - Repairing The FIDE Standard Elo Rating System, PDF, Abstract Strategy Games

Training Program for Chess Players: 2nd Category (elo 1400-1800)

BUILDING HABITS to improve your chess

Find your REAL ELO rating: ELOMETER.NET then post here the results - Chess Forums - Page 9
Being a 1200 ELO rated player at the age of 30, can I become a GM in the next 5 years? - Quora

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A Chess Improvement Guide Based On Your Rating (Under 2000 ELO)
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