Kyu Dan System

A practical system for players who want to improve fast and win more.

Try for Free

Introducing—

Kyu Dan System

Tired of guessing what to study next? We make your path clear.

At Simple Baduk, we start by reviewing your games, then build a personalized learning plan just for you, based on your style, strengths, and areas to improve.

You get over 100 structured lessons, plus 4 new ones every month, all guided by real insights from your play.

This isn’t just content. It’s coaching that grows with you.

What’s in Kyu Dan System so far…

What’s included?

Your membership includes full access to all core courses: Essential Josekis, Estimation, Thickness, and Cosmic Masterclass, etc.

You’ll also get 4 monthly lessons that combine AI concepts with human psychology to dominate real opponents. Half of them are on core principles of Go, and half of them focus on TRAP openers.

    • Personalized report & learning structure

    • Full access to all current and future courses

    • Weekly lecture that build on each other

    • A structured system designed to guide you from kyu to dan

    • Learn at your own pace with simplified, high-impact lessons

    • Tactics and systems designed specifically to beat real human opponents, not just AI

    • A focused lesson every week for consistent, structured improvement

    • Clear, actionable strategies with real-game examples and problem sets

    • Private Discord channel exclusively for members

    • Ask questions anytime and get direct guidance on lecture content

    • Match up with fellow members to practice and apply what you’ve learned

    • Share progress, discuss games, and improve faster together in a supportive environment

  • I’ve tried using AI to study, read books, watch YouTube... nothing helped me improve like Simple Baduk. It’s simple, direct, and it works.

    Leo B., 1d

  • I used to feel completely lost in the middle game. Now I know exactly what I’m trying to do. And I got from DDK to SDK really fast!

    Jamie S., 6k

  • This is the first time I’ve felt like I actually have a plan when I play.

    Eric T., 4k

  • It’s the first Go course that didn’t make me feel overwhelmed. I actually want to study now.

    Jason B., 8k

Ready to Level Up?

The Kyu Dan System gives you everything you need to stop guessing and start improving, regardless of your rank or experience.

With structured lessons, practical tactics, weekly guidance, and a supportive community, you’ll finally have a clear path from kyu to dan.

If you’re ready to take Go seriously, this is your next move.

The First month is on us: the discount will be automatically applied upon checkout.

Try Kyu Dan System for free, now!

Kyu Dan System
$18.00
Every month
$168.00
Every year
✓ Learn 48 core principles of Go
✓ Explore weaknesses with TRAP Opener
✓ Learn Essential Josekis & Essential Invasions
✓ Lessons on Estimation & Thickness & how to properly attack

This is the first lesson on the middle game principles from the Kyu Dan System.


This lesson will show you how we teach, how we think, and how our system helps Kyu players build a real understanding of the game. If you like what you see, you’ll love what’s inside.

A Sample Lesson

FAQs

  • This membership is designed for both DDK and SDK players. The foundational courses—like Josekis, Estimation, Thickness, and Opening Strategy—will help DDK players reach solid SDK level. The Siren Style is built specifically for SDK players aiming to reach dan level as efficiently as possible.

  • If you don’t know the principles, you’ll often find yourself not knowing what to do during a game. And when you’re unsure, you’re far more likely to make a bad move that throws away your lead—or the entire game. Learning principles gives you direction. You’ll know what matters, what to ignore, and how to stay in control, even when the position gets complicated. It’s the difference between playing reactively and playing with purpose.

  • A TRAP opener is a structured opening system designed to create difficult decisions for your opponent early in the game. It’s not a trick play or cheap tactic—instead, it sets up positions where your opponent either falls into a losing sequence or is forced to navigate a much harder game. Even if the trap doesn’t trigger, you’re left with a strong, stable position that follows solid principles. It’s a low-risk, high-reward way to take control from move one.

  • Not at all. The content is structured so you can go step by step. Just follow the weekly lectures and build your foundation with the included courses—no need to rush or memorize everything.

  • Not necessarily. Even if you’re SDK, revisiting the seemingly basic contents can help patch gaps and give you a stronger base before diving deep into Siren Style tactics.

  • Yes. As a member, you’ll have access to our private Discord community where you can ask questions at any time, get personal guidance, and connect with others learning the same system.

    Join Us at: https://discord.gg/KsusBK4ust