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Mainline
Your mission: Grandmaster
Two-minute lessons. Real openings, real tactics. Mainline is free.
KNIGHT
No. 01
Master Course
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Pick where to start. Your first square needs no account.
Master Course
One path. 1,781 squares.
From your first opening to real wins, square by square.
Absolute Pin
Drill
Vienna Setup
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Idea 2 of 3
The absolute pin
The knight can't move. The king stands behind it.
Two minutes. One idea.
Brain games you won't find anywhere else.
Sixty seconds, one skill: Coverage trains attacked-square vision, Knight Taxi trains knight routes, Hanging? trains instant piece-safety checks, and more. No other chess platform has them.
582 lessons. Mainline is free.
Accept the mission — free