“[…] Yes, yes, I've heard every variation from you until I'm sick to my stomach!”
“Nausea is to be expected.”
—Ormulogun and Gumble meeting Itkovian (Memories of Ice)

What is Ormulogun?

Ormulogun is a tactics trainer for chess. It is completely free and libre. Main features include:

• Puzzle filtering based on tags and depth
• Spaced repetition with progress monitoring
• Endgame trainer for fundamental checkmates
• Analysis board with integrated engine and opening book
• Responsive layout (mobile-friendly)
• Progress is saved locally into the browser

Ormulogun is still under heavy developement. Some features are incomplete, or not implemented at all. Please report issues or give feedback.

Start training or Check out the source code

Choose a puzzle set

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Endgame training

Fundamental checkmates

Pawnless endgames

This feature is still considered experimental. Generated positions might not always lead to forced checkmate on rare occasions.

Generate a custom endgame

Activity journal

Preferences