Author and ChessMotive founder

Sebastian Kostolansky

International Master

International Master and ChessMotive founder focused on practical decision making, candidate moves, calculation, and evaluation.

FIDE ID 14950596

Published guides

Chess improvement by Sebastian

Thinking Process·16 min read

A practical system for finding the cause of your mistakes and training the skill that actually failed.

Training Plans·18 min read

Practical 30 minute, 60 minute, and five hour weekly plans, plus a method for adapting them to your weaknesses.