Principles of Fuseki

🎓

Kyu Dan System

Video membership

$18 Every month

Learn 48 core principles of Go
Explore weaknesses with TRAP Opener
Learn Essential Josekis & Essential Invasions
Lessons on Estimation & Thickness & how to properly attack

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👨‍🏫

Private Lesson

Personal coaching

4 lessons per month · Weekly 1:1 coaching

For players who want consistent guidance, weekly feedback, and a tight study loop.

$25

per month

$45

per month

$150

per month

4 private lessons per month (about 1-2 hours each)
Live review of one or more of your games every session
Teaching game plus post-game review each week
Custom study plan and daily tsumego guidance
Full access to the Kyu Dan System (included, $18/month value)
Ask Zee questions between lessons about positions or full games

🎓

Private Lesson

Your Personal Baduk Teacher

Everything you need to get stronger made simple.

Fuseki

Joseki

Tesuji

Private Lessons with Zee

Structured Go lessons built around your own games, teaching games, and a clear study plan – with options for full coaching, a lite plan, or game reviews only.

Focus on your real games, not generic examples
Clear direction on what to study between sessions
Three options: Full, Lite, or Game Review only

What you get as a private student

Lesson structure

Every lesson is a mix of game review, targeted teaching games, and a short review of those teaching games.

Study plan & homework

You'll get a custom study plan with text, video, and/or direct to specific joseki, openings, or concepts you need to work on.

Kyu Dan System Included

Full access to the Kyu Dan System ($18/month value) with 100+ lesson series, premium, monthly content, and a study-focused study group.

Support between sessions

For Full and Lite students, you can send positions or game screenshots and Zee will work to find a sequence or variation instead of needing to wait for the next lesson.

How a typical lesson works

1. Review your games

You send Zee a game or two you've played since the last lesson. He'll review them, checking and explaining your biggest game-changing mistakes.

2. Play a teaching game

We play a short teaching game (or might continue a game from last time). Zee will explain his moves as you go. You'll get to focus on what's in the position, not look up what AI says.

3. Analyze & assign homework

We review the teaching game together. Zee will study plan and teaching concepts for the week ahead.

Lessons are usually 1-2 hours depending on pace, questions, and how many games we review.

Choose the option that fits you

FULL OPTION

Full Private Lessons

4 lessons per month · $150/month (1:1 coaching)

Weekly private lessons (about 60-120 minutes each, typically ~90+ min) with Zee's full focus
Game review every week (about 1-3 hours each)
Teaching game plus post-game review each week
Custom study plan and daily tsumego guidance
Full access to the Kyu Dan System (included, $18/month value)
Ask Zee questions between lessons about positions or full games

LITE OPTION

Private Lesson Lite

1 lesson per month · $45/month (part-time coaching)

One 60-120 minute private lesson each month with Zee (typically ~90+ min) with lighter schedule
Live review of 1 or 2 more of your games (a teaching game and review)
Monthly study plan with videos, variations, and tsumego goals
Full access to the Kyu Dan System (included, $18/month value)
Ask Zee questions between lessons about positions or full games (Lite only: text)

GAME REVIEW ONLY

Recorded Game Review

1 review per month · $25/month

The Game Review option is for players who need clear, detailed feedback without scheduling a live lesson. You send Zee your own recent games, and he records a full review (usually 30-60 minutes) - showing where you went wrong, where you missed opportunities, and what you should study next.

Submit one recent game and get a recorded review you can rewatch anytime
Clear explanation of key mistakes without overwhelming you with variations
A targeted study plan with specific videos, themes, and tsumego to focus on
Full access to the Kyu Dan System (included, $18/month value)

The Kyu Dan System

The Kyu Dan System is the video framework behind your coaching. It's included with all lesson plans and game reviews.

More than 100 lessons on openings, strategic principles, proper game sense, invasions, and endgame
Structured study paths organized for beginner and level
A daily-updating weekly study group where members play games, watch lectures, and post self-game homework
An active community of players focused on deep, long-term improvement

All private lesson students get full access to the Kyu Dan System at no extra cost. It's the foundation that connects to your own results.

About Zee & availability

Zee began his Go journey in Illinois less than a decade ago. When he was 16, Guo Juan once remarked and predicted his teaching career for adult students. The lessons at SimpleBaduk are rooted on that real teaching experience - what actually worked for him and his students over the years. His teaching isn't flashy, but it works if you stick with it and put in the work.

To keep quality high, Zee works with a maximum number of private students at a time.

If all slots are booked, please e-mail is available or not on the email listed. If the button says disabled or hidden, all please are currently full. In that case, you can email Zee to be added to the waiting list: zeewally@gmail.com

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Go Equipment Collection

Popular

Yunzi Double-Convex Go Stone Set

These classic Yunzi stones are made from a lead-free mineral blend based on the traditional Yunnan formula. Known for their solid weight, matte texture, and satisfying feel, they offer a reliable, tournament-level playing experience. Black stones reveal a subtle dark green translucence under strong light, a signature trait of traditional Yunzi.

Popular

"New Yunzi" Double-Convex Go Stone Set

The biggest upgrade from traditional Yunzi: "New Yunzi" stones are virtually free of air bubbles, giving them a flawless, smooth finish that looks clean and feels premium. Although it is "New Yunzi", it has nothing to do with Yunzi. It is a brand new kind of stone set that is made from a mixture of minerals and gems to recreate the texture of jade.

Boards

Reversible 1.57 inch Shin Kaya Go Board

This 1.57-inch (4cm) Shin Kaya Go board is a budget-friendly, portable option for everyday study and casual play. It's lightweight, easy to carry, and built to last.

Boards

2.4 inch Shin Kaya Go Board

This 2.4-inch (6cm) thick Shin Kaya Go board is a solid choice for players who want a traditional, high-quality feel without the high price of premium solid-wood boards. Whether you're studying kifu alone or playing with a friend, this board gives you a more immersive and authentic experience.

Boards

Single-Piece 2.4" Shin Kaya Go Board

This is a true single-piece Go board, carved from one solid slab of Shin Kaya wood. Unlike jointed boards, it offers consistent color and grain across the entire surface—clean, seamless, and naturally elegant.

Bundles

Refined Set – "New Yunzi" + Cedar Bowls + 1.57" Reversible Board

The Refined Set is built for players who want upgraded stones and a clean, modern playing experience. It features our improved New Yunzi stones, a 1.57-inch reversible board, and a pair of classic cedar bowls—ideal for study, daily games, or introducing others to Go.

Bundles

Refined Pro Set – "New Yunzi" + Cedar Bowls + 2.4" Single-Sided Board

The Refined Pro Set is our most premium option—built for Go players who want flawless stones, upgraded handling, and the presence of a tournament-style board. It features our New Yunzi stones, a thick 2.4-inch single-sided board, and a pair of cedar wood bowls to complete the full experience.

Bundles

Classic Set – Yunzi Set + Cedar Bowls + 1.57" Reversible Board

The Classic Set is a complete, well-balanced Go setup perfect for study, casual play, or travel. It features the timeless appeal of traditional Yunzi stones, paired with cedar wood bowls and a 1.57-inch reversible board for a functional and authentic playing experience.

Bundles

Classic Pro Set – Yunzi + Cedar Bowls + 2.4" Single-Sided Board

The Classic Pro Set is built for players who want a more immersive, tournament-style Go experience. It features the trusted quality of traditional Yunzi stones, a pair of elegant cedar wood bowls, and a 2.4-inch thick single-sided board that brings weight and presence to every game.

Popular

Yunzi Double-Convex Go Stone Set

Popular

"New Yunzi" Double-Convex Go Stone Set

Premium

Reversible 1.57 inch Shin Kaya Go Board

This 1.57-inch (4cm) Shin Kaya Go board is a budget-friendly, portable option for everyday study and casual play. It's lightweight, easy to carry, and built to last.

Best Value

2.4 inch Shin Kaya Go Board

Essential

Single-Piece 2.4" Shin Kaya Go Board

Ultimate

Refined Set – "New Yunzi" + Cedar Bowls + 1.57" Reversible Board

Ultimate

Refined Pro Set – "New Yunzi" + Cedar Bowls + 2.4" Single-Sided Board

Ultimate

Classic Set – Yunzi Set + Cedar Bowls + 1.57" Reversible Board

Ultimate

Classic Pro Set – Yunzi + Cedar Bowls + 2.4" Single-Sided Board

Student Reviews

Stephen C

· 4 weeks ago

★ ★ ★ ★ ★

"I only have a few hours a week to study, so I needed something efficient. The lessons on principles and tactics helped me improve without getting lost in endless joseki charts."

Julia T

· 2 weeks ago

★ ★ ★ ★ ★

"What surprised me most wasn't just the lessons, but the people. The study group sessions are like a mini club where I can test ideas, ask questions, and find matches on my level."

Qinghua L

· 1 month ago

★ ★ ★ ★ ★

"I was stuck at the 2k for almost a year. After two months here, I finally pushed through. Understanding why moves work instead of memorizing patterns made all the difference."

Rubi R

· 3 days ago

★ ★ ★ ★ ★

"I've tried books, apps, and random YouTube videos. This is the first program that actually adapts to me. The feedback on my games was eye-opening. I realized I had habits holding me back for years."

Bob C

· 2 months ago

★ ★ ★ ★ ★

"Between work and family, I can't grind out hours of study. The Kyu Dan System fits into my schedule and still gives me a sense of steady progress."

David T

· 1 week ago

★ ★ ★ ★ ★

"What I love is how sustainable this feels. With new lessons every week and regular feedback, I'm never out of material. It feels like a system I can grow with for years."

Frequently Asked Questions

Can't find what you're looking for? Check out our full documentation.

🔍

😊

Who is this for?

The Kyu Dan System is ideal for players from complete beginners to intermediate players. If you're ready to take your study seriously, we're here to guide you.

📋

How does the personalized plan work?

We begin by reviewing several of your games to identify patterns and areas to improve. Based on that, we craft a roadmap that connects directly to specific lessons.

💳

How often is content updated?

We add 4 new lessons every month, ensuring the curriculum stays fresh and aligned with your progress.

👤

Is this just video content?

No, it's a structured learning experience. Lessons include reviews, assignments, and feedback loops so you can actively learn and apply concepts.

💰

What is TRAP Opener?

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, 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.

📧

What if I have questions while learning?

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.

👨‍🏫

Private Lesson

Personal coaching

$25

Every month

$45

Every month

$150

Every month

4 private lessons per month (about 1-2 hours each)
Live review of one or more of your games every session
Teaching game plus post-game review each week
Custom study plan and daily tsumego guidance
Full access to the Kyu Dan System (included, $18/month value)
Ask Zee questions between lessons about positions or full games

🎥

Kyu Dan System

Video membership

$18

Every month

$168

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

🎯

Who are the instructors?

A Go learning platform built for adults. Most Go content online is too theoretical, too technical, or too vague to apply in real games. Many platforms feature strong players, but playing well is not the same as teaching well. Here's what makes Simple Baduk special.

📧

How can I reach customer support?

You can email us anytime at help@zeejyan.com. We'll get back to you as quickly as possible.

💬

How do I provide feedback on the content?

We'd love to hear from you. Share your thoughts by emailing us at help@zeejyan.com or posting in our Discord channel, where our team and community can see your suggestions.

🎥

Can I request specific topics for future videos?

Absolutely. You can send your requests to help@zeejyan.com or drop them in our Discord channel. We're always open to ideas that help us create content you'll enjoy.

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Overview

Last updated: October 8, 2025. Welcome to Simple Baduk (https://simplebaduk.com). We respect your privacy and are committed to protecting any personal information you choose to share with us. By using our website, you agree to the collection and use of information in accordance with this policy.

�

Information We Collect

Personal Identification Information: We only collect personal information that you voluntarily provide, such as your name and email address, when signing up for our email list, creating an account, or placing an order. We do not collect data through tracking tools, cookies, or third-party analytics like Facebook Pixel.

�

How We Use Your Information

We use the information you provide solely for: Sending product updates, discounts, and membership-related content. Providing access to your purchased or subscribed content. Customer support and order-related communication. We do not share, sell, or rent your personal data to anyone.

🛡️

Data Security

We use standard industry practices to store and protect your information. While no system is perfectly secure, we take all reasonable precautions to prevent unauthorized access or misuse.

⚖️

Your Rights

You may request to view, update, or delete your data at any time. Simply email us, and we'll process your request as quickly as possible.

🌐

Third Party Websites

Users may find advertising or other content on our website that link to the sites and services of our partners, suppliers, advertisers, sponsors, licensors and other third parties. We do not control the content or links that appear on these sites and are not responsible for the practices employed by websites linked to or from our website.

🔄

Changes to This Policy

If we make significant changes to our Privacy Policy, we'll post the updated version here with a new "Effective Date."

📦

Digital Products & Memberships

We offer a 30-day money-back guarantee on all digital products and memberships. If you're not satisfied for any reason, email us at help@zeejyan.com within 30 days of your purchase, and we'll process your full refund—no questions asked. Note: Some products may include a lifetime refund guarantee, which will be explicitly stated at the time of purchase. If your product includes this guarantee, you're covered beyond the standard 30-day window.

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Shipping Information

All orders are shipped from China and are typically processed within 3 to 5 business days before dispatch. For flat-rate shipping, tracking is not available during ocean transit. Once your order has been dispatched from China, you will receive a tracking number via FedEx or UPS. The tracking number will become active once the package arrives in the United States, allowing you to follow its progress to your door.

🌍

Shipping Eligibility

We currently only ship to addresses within the United States. If you are located outside the U.S. and would like to place an order, please contact us first at help@zeejyan.com to discuss possible arrangements.

⏱️

Estimated Delivery Time

Please note that delivery time does not include handling and processing. Handling & Processing: 3–5 business days. Shipping to the U.S.: 25–30 days on average. Possible Delays: In rare cases (such as customs processing or shipping congestion), delivery may extend to 35–55 days. There will be no additional import taxes or fees required upon delivery. Please ensure you are comfortable with this estimated timeline before placing your order.

📍

Tracking and Delays

Tracking information will be sent to you via email once your order is shipped. Please note that tracking updates may not appear until the package reaches the U.S. Occasional delays may occur due to customs processing, holidays, weather conditions, or postal service disruptions. We appreciate your patience and understanding.

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Returns and Cancellations

If your order has already shipped and you wish to return it simply because you no longer want it, you must first receive the package before requesting a return. You will then need to ship it back to our New Jersey warehouse with postage paid by you, as we cannot recall packages once they are in transit. If your item is defective, we will cover the return shipping cost.

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Damaged or Defective Items

If your item arrives damaged or defective, please contact us within 7 days of delivery at help@zeejyan.com. Please include your order number and clear photos of the item and packaging in the email. We will either send a replacement or issue a full refund. In these cases, we cover all return shipping costs.

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Natural Material Disclaimer

All of our Go boards are made from natural Shin Kaya wood. Minor cosmetic variations—such as differences in color, grain patterns, joint lines, or small imperfections—are normal and not considered defects.

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Lost Packages

If your order has not arrived after 55 days and shows no movement or delivery confirmation, please contact us at help@zeejyan.com. After reviewing the tracking and confirming the loss, we'll offer you a replacement or a full refund.

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Need Help?

For any questions about your shipment, tracking updates, or return process, please contact us at help@zeejyan.com. We'll get back to you as soon as possible.

Free Videos

New to go

Principles of Fuseki

Kyu Dan System

Private Lesson

Private Lesson

Your Personal Baduk Teacher

Private Lessons with Zee

What you get as a private student

Lesson structure

Study plan & homework

Kyu Dan System Included

Support between sessions

How a typical lesson works

1. Review your games

2. Play a teaching game

3. Analyze & assign homework

Choose the option that fits you

FULL OPTION

Full Private Lessons

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Private Lesson Lite

GAME REVIEW ONLY

Recorded Game Review

The Kyu Dan System

About Zee & availability

Go Equipment Collection

Yunzi Double-Convex Go Stone Set

"New Yunzi" Double-Convex Go Stone Set

Reversible 1.57 inch Shin Kaya Go Board

2.4 inch Shin Kaya Go Board

Single-Piece 2.4" Shin Kaya Go Board

Refined Set – "New Yunzi" + Cedar Bowls + 1.57" Reversible Board

Refined Pro Set – "New Yunzi" + Cedar Bowls + 2.4" Single-Sided Board

Classic Set – Yunzi Set + Cedar Bowls + 1.57" Reversible Board

Classic Pro Set – Yunzi + Cedar Bowls + 2.4" Single-Sided Board

Yunzi Double-Convex Go Stone Set

"New Yunzi" Double-Convex Go Stone Set

Reversible 1.57 inch Shin Kaya Go Board

2.4 inch Shin Kaya Go Board

Single-Piece 2.4" Shin Kaya Go Board

Refined Set – "New Yunzi" + Cedar Bowls + 1.57" Reversible Board

Refined Pro Set – "New Yunzi" + Cedar Bowls + 2.4" Single-Sided Board

Classic Set – Yunzi Set + Cedar Bowls + 1.57" Reversible Board

Classic Pro Set – Yunzi + Cedar Bowls + 2.4" Single-Sided Board

Student Reviews

Frequently Asked Questions

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Private Lesson

Kyu Dan System

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