About ChessDoctrine
ChessDoctrine.com is a chess resource created for beginners and club players who want to understand chess at a serious level. We focus on real improvement through structured opening preparation, clear middlegame plans, and essential endgame technique, not just memorizing engine lines you’ll forget after one game.
Our goal is simple: help you build a complete, repeatable understanding of chess so you can implement it on the board.
We publish detailed opening repertoires, practical strategy guides, and endgame fundamentals that you can study and apply immediately in your own games.
ChessDoctrine is an independent project. We are not affiliated with FIDE, Chess.com, Lichess, or any other chess platform.
Our Mission
At ChessDoctrine.com, our mission is to support chess players with clear, structured, reliable knowledge.
We focus on the areas that matter most in real games:
- playable position out of the opening,
- finding plans in the middlegame,
- how to convert an advantage into win.
The Chess Experts Behind ChessDoctrine
Deniz Tasdelen
Deniz Tasdelen is a National Master (NM), active tournament player with 20+ years of practical experience. He has scored wins against titled players, including FIDE Masters, International Masters, and Grandmasters, in over-the-board classical events. He specializes in building practical, easy-to-remember repertoires for adult club players and reviewing ChessDoctrine content before publication.
Emre Sancakli
Emre Sancakli is a competitive online and OTB player with peak ratings above 2400 on Chess.com and Lichess, placing him among the top 0.1% of active players on those platforms. He has coached beginners, juniors, and adult improvers. His focus is helping students avoid early blunders and reach playable middlegames. Emre authors our opening, middlegame and endgame sections.
What You Can Learn on ChessDoctrine.com
Complete Opening Guides and Repertoires
We publish in-depth chess opening guides for White and Black, including popular systems and practical gambits you’ll face between 0 and 2000 Elo. Each guide explains the main ideas, typical piece placement, attacking plans, defensive ideas, and common mistakes to avoid. You also get PGN lines to download and study.
Middlegame Plans
We explain how to actually play the position you reached. That includes:
- typical pawn breaks,
- weak pawns to target,
- developing your worst piece,
- when to launch an attack on the opponent’s king and when to improve your position,
- handling pressure instead of panicking and blundering.
Instead of simply stating “+0.7 for White,” we tell you the plan, which you can use in your bullet, blitz, and classical games.
Essential Endgames
We teach core endgame ideas that decide games at the club level:
- pawn fighting for promotion,
- rook endings,
- two bishop checkmate,
- triangulation,
- fixing a backward pawn,
- using a passed pawn properly.
Interactive Revision and PGN Support
We reinforce theory with:
- diagrams,
- “find the best move” checkpoints in our opening guides,
- PGN downloads you can load into your chess software.
This makes it easier to review, while preparing for a tournament round or rapid/blitz game.
Why ChessDoctrine Is Free
We believe that serious, structured chess education should not be locked behind a paywall. The core instructional content on ChessDoctrine.com: opening repertoires, middlegame plans, endgame basics, and essential chess terms, is free for personal study and tournament preparation.
All content on ChessDoctrine is free to study and use in your own games. You are not allowed to copy, republish, resell, or package our work in any commercial product without approval. For licensing and commercial use, contact chessdoctrineinquiries@gmail.com.
ChessDoctrine is maintained by a small independent team of competitive players and writers. If you notice a theoretical update (for example, a forced refutation to a line we recommend), or if you think something is unclear for club level, email chessdoctrineinquiries@gmail.com.
What Makes ChessDoctrine Different
- We tell you what to aim for in the position.
- We only recommend openings and plans that we have tested in actual games under classical, rapid, or blitz conditions. If a line only survives with engine-perfect play, we don’t tell beginners to rely on it.
- We respect endgames. You shouldn’t lose a winning rook ending because “no one ever taught you how to activate the king.” We teach that.
- We never promise instant rating jumps or shortcuts. Improvement in chess takes structure, review, and repetition. Our job is to give you that structure.
Editorial policy: ChessDoctrine content is educational. We do not claim to replace a personal coach or guarantee performance in rated competition. Our goal is to give you structured understanding so you can make better decisions over the board.
