Pre-Algebra, Algebra, Geometry, Trigonometry, Pre-Calculus, Calculus


Biology, Microbiology, Physics, Chemistry, Organic Chemistry, Meteorology


Reading, Writing, Grammar

Qualifications & Lesson Details

B.Sc. Biology
University of California, Santa Barbara

Computer Science
Full-stack web developer, Wikipedia Autopatroller

Rated 1900-2100+ (Lightning)

Web Design

Build a website instantly with HTML, CSS/Sass/Less, JavaScript, and PHP.
Harness the potential of content management systems like WordPress, Drupal, and Magento.
CSS Frameworks
Harness the potential of CSS-based frameworks like Bootstrap.
Make your site search engine friendly.
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Guarantee: if you can understand a computer folder directory, you can design and manage your own website!


Learn how to read and write with the Korean phonetic and featural alphabet in less than one hour. Color-coded and sound/shape-similarity letter diagrams are used to intuitively understand the alphabet and facilitate memorization.
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Approved by the Hunminjeongeum Society


Learn opening, middlegame, and endgame, theory.
General Theory: numerical piece valuation, numerical position valuation, multiplicative effect of piece teamwork, significance of the center, exchanges, gambits, en passant, fianchettos, Zwischenzug, timed matches, Elo rating system.
Opening: development, initiative, tempo, castling, "knights before bishops".
Endgame: opposition, zugzwang, triangulation, stalemate patterns, checkmate patterns.
Attack Tactics: forks, pins, skewers, overloading, x-rays, trapping pieces, discovered attacks.
Pawn Theory: pawn chains, passed pawns, hanging pawns, backward pawns, isolated pawns, pawn islands, pawn majorities.
Bishop Theory: bad vs. good bishops, corralling knights.
Rook Theory: seeking open files, importance of the 7th rank, backing passed pawns.
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Elementary - High School

Chess Theory, Hangul

Full-stack Web Design, Programming Languages, Frameworks, CMS, SEO

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