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Welcome to Kyu Dan System
Update Schedule:
Kobayashi TRAP opener lessons on every Wednesday
Guideline for New Members
At Kyu level, most mistakes come from basic misunderstandings, especially in the opening and middle game. This isn't about talent or instinct; it's about learning the right ideas, building a proper foundation, and avoiding common traps.
Follow these steps, and you’ll reach 1-dan in less time than you think.
Welcome! Click the button below to access the course.
Principles of the Middle Game is updated every Friday, and the Kobayashi Trap Opener series is updated every Wednesday. Check back regularly for new lessons and insights!
Essential go Knowledge
This membership gives you full access to a structured library designed to take Kyu players to the next level.
You’ll learn how to use josekis with purpose, estimate positions accurately, apply thickness to attack or defend, and build big-picture awareness through the San Ren Sei.
Each course breaks down complex ideas into simple, practical lessons you can use right away.
Everything is connected—giving you a clear, step-by-step system for real improvement.
8 fresh lessons every month
Our weekly lesson system is built around one goal: helping you go from kyu to dan by mastering the early and middle game.
Each week, you’ll get one core principle that sharpens your fundamentals, plus one TRAP opener—a powerful system designed to apply pressure on opponents right from the fuseki.
You’ll learn practical, repeatable strategies that give you clarity and control—without needing to memorize or grind. It’s not about studying harder—it’s about finally understanding what works.
Private discord community
As a member, you’ll get access to our private Discord community—your space to ask questions, share progress, and connect with others on the same path.
Whether you’re stuck on a lecture or want feedback on your games, you can reach out anytime and get direct support.
You’ll also be able to match up with fellow members to practice concepts like The Siren Style and accelerate your improvement. It’s more than a study group—it’s your support system for getting stronger, together.
What’s included?
Your membership includes full access to all core courses: Essential Josekis, Estimation, Thickness, and San Ren Sei. You’ll also get weekly lectures on The Siren Style—a tactical system that combines AI concepts with human psychology to dominate real opponents. Every lesson is designed to be practical, connected, and easy to apply. No fluff—just a clear path from kyu to dan, all in one place.
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Full access to all current and future courses
2 Weekly lectures that build on each other
A structured system designed to guide you from kyu to dan
No hidden content, no upsells—everything is included in your membership
Learn at your own pace with simplified, high-impact lessons
Tactics and systems designed specifically to beat real human opponents, not just AI
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Two focused lessons every week for consistent, structured improvement
One core principle to strengthen your early and middle game
One TRAP opener to gain an advantage right from the fuseki
Clear, actionable strategies with real-game examples and problem sets
Built for steady progress, even if you only study a few hours per week
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Private Discord channel exclusively for members
Ask questions anytime and get direct guidance on lecture content
Get clarification on concepts from The Siren Style and other courses
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
FAQs
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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.
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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.
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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.
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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.
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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.
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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