Practice your chess skills or learn how to play with this Chess game.
Free chess training tool for Windows.
Allows you to understand the tactical and strategic themes more deeply.
My estimate of levels (human ELO rating):
Beginner 650
Very Easy 800
Easy 1000
Normal 1250 Maia
Advanced 1500 Maia
Hard 1700
Very Hard 1900 Maia
Master 2100
Grandmaster 2400
Impossible 2750