PPQTY covers everything to do with chess and chess strategy.
We’re a community built by chess masters, enthusiasts, and educators who share a deep passion for the chessboard and its 64 squares of endless possibilities.
Our Mission
Our mission to enhance your chess skills, expand your understanding of the game, and fuel your passion for this fascinating game, irrespective of your skill level.
Whether you’re a complete beginner seeking to understand how the pieces move, an intermediate player aiming to sharpen your tactics, or an advanced player looking to delve into the complex world of chess openings, middle-game strategies, and endgame techniques, PPQTY.com has you covered.
Our content spans all aspects of chess strategy, from fundamentals, tactics, opening moves, opening theory, and defenses to more intricate concepts like positional play, pawn structures, and grandmaster games analysis.
At PPQTY.com, we believe that chess is not just a game, but a lifestyle, a workout for the brain, and a beautiful metaphor for life itself.
Learning chess is a journey of discovery, resilience, and continuous improvement, and we’re excited to be part of your journey.
Team
Joe Buckley

Joe Buckley is a seasoned chess player with an unwavering passion for the royal game. As the head of PPQTY, Joe is devoted to promoting, understanding, and demystifying the world of chess.
His fascination with the game’s intricate strategies, historical context, and its ability to blend art, science, and sport inspired him to create PPQTY.
While the ancient game is more popular than it’s ever been, there is still often a lack of comprehensive content online on chess theory, chess openings, defenses, and more.
His mission is to make chess accessible to everyone, and he firmly believes that the game is a powerful tool for cognitive development and critical thinking.
If we can help you in any way, please send an email to our support staff at our sister site:
Contact email: support@tme.net
LinkedIn
Posts
Blog
- ‘Kasparov’s Insane Calculations’ Game (Full Move Order of Game 20 – 1990 WCC)
- ‘Playing Chess, Not Checkers’ (Meaning)
- ‘I Hate Chess’ Origin (Bobby Fischer)
- 107+ Chess Team Names & Usernames (Cool, Unique, Creative)
- 11+ Best Female Chess Player of All Time
- 11+ Best Life Lessons from Chess
- 15-10 Meaning in Chess (Explained)
- 15+ Best Chess Openings for Advanced Players (Overview)
- 19+ Best Chess Apps: Your Ultimate Guide to Digital Chess
- 2010 Cone Study
- 207+ Chess Jokes & Puns (Funny, Dad Jokes, One-Liners)
- 3D & 4D Chess Meaning (Explained)
- 41+ The Most Popular Chess Trivia Questions (Answered)
- 5+ Best Chess Openings for Beginners (Overview)
- 5+ Highest-Rated Black Chess Player (Best Black Chess Players)
- 5+ Special Chess Moves (List)
- 6 Best & Most Powerful Chess Engines [Ranked]
- 67+ Chess Variants [In-Depth List]
- 7+ Aggressive Chess Openings (Explained)
- 7+ Benefits of Playing Chess (List)
- 7+ Best Chess Openings for Intermediate Players
- 9+ Best Chess Books (Beginner, Intermediate, Advanced)
- Antichess (Losing Chess) – A Unique Twist on the Classic Game
- Atomic Chess: Exploring the Explosive Twist in the Classic Game
- Atomic Horde Chess (Chess Variant)
- Average Chess Rating (ELO) – What’s Considered Average?
- Bare Kings in Chess (Endgame Scenario)
- Best Chess Player in the World
- Bird’s Chess (Chess Variant)
- Brilliant Move in Chess (Meaning)
- Bughouse Chess (Chess Variant)
- Can a Chess Game Go on Forever? (Maximum Number of Moves)
- Can a Queen Capture a Queen in Chess? (Explained)
- Can the King Capture the Queen in Chess?
- Can the Knight Move Backward in Chess? (Explained)
- Can You Have More Than One Queen in Chess? (Explained)
- Can You Pass in Chess? (Skip Turn)
- Capablanca Chess (Chess Variant)
- Capture Anything Chess [Self-Capture Chess Variant]
- Chaturanga – The Ancient Game that Birthed Chess
- Checkless Chess (Prohibition Chess) (Chess Variant)
- Chess Flagging (Explained)
- Chess Hustler – Who Are They? (Explained)
- Chess Pattern Recognition (Complete Guide)
- Chess Piece Values: An Essential Guide (1-9)
- Chess Skill & IQ (Intelligence) – Is There a Connection?
- Chess Time Controls (Explained)
- Chess Titles in Order (GM, IM, NM, FM)
- Chess vs. Checkers – The Differences (Which Is Harder?)
- Chess vs. Checkers vs. Backgammon (Similarities & Differences)
- Chess960 (Fischer Random Chess)
- Chessgi: Chess + Shogi [Everything to Know]
- Classical vs. Rapid vs. Blitz vs. Bullet Chess – How Do Tactics & Strategy Differ?
- Crazyhouse Chess – A Unique Twist on the Classic Game
- Cross Chess (Chess Variant)
- Cylinder Chess (Chess Variant)
- Cylinder Chess 360 (Chess Variant)
- Dice Chess (Chess Variant)
- Do You Have to Say Check or Checkmate Out Loud? (Overview)
- Elon Musk & Chess – Is He Any Good?
- Embassy Chess (Chess Variant)
- Extinction Chess – A Unique Challenge for Chess Enthusiasts
- Famous Chess Games (Summary, Significance, Move Order)
- Fischer Defense (King’s Gambit)
- Fischer’s Golden Rule in Chess
- Fog of War Chess (Chess Variant)
- Gothic Chess (Chess Variant)
- Grand Chess (Chess Variant)
- Grasshopper Chess (Chess Variant)
- Hidden Identity Chess (Chess Variant)
- Horde Chess – A Chaotic Twist on the Traditional Game
- How Accurate Are Chess.com Ratings? (Overview)
- How Chess Players Burn 6,000 Calories Per Day
- How Do You Checkmate in Chess? (Tips)
- How Does the ELO System Work in Chess? (Complete Guide)
- How Many Chess Grandmasters Are There? (Living & All Time)
- How Many Games of Chess Has Magnus Carlsen Played? (Estimated)
- How Many Moves Ahead Can a Chess Grandmaster Calculate?
- How Many Moves in Chess When Only a King Is Left?
- How Many Moves When Only a King Is Left? (Chess)
- How Many People Know How to Play Chess? (Percentage)
- How Many Possible Chess Games Are There? (Answered)
- How Much Do Pro Chess Players Make? (Grandmaster Salaries)
- How Much is Chess.com Worth? (Estimate)
- How to Become a Chess Grandmaster
- How to Checkmate with Knight & Bishop (Guide)
- How to Draw in Chess (Explained)
- How to Find the Best Chess Move (Complete Guide)
- How to Get Better at Chess (Tips)
- How to Play Chess by Yourself (Methods)
- How to Recognize Chess Cheaters (List)
- How to Win a Chess Game (Tips)
- Hybrid Chess – What Is It & How Does It Work?
- Ice Age Chess – A Frosty Twist to Traditional Gameplay
- Introduction to Active Chess (Chess Variant)
- Introduction to Alapo (Boring) Chess (Chess Variant)
- Introduction to Ambiguous Chess (Chess Variant)
- Introduction to Archchess (Chess Variant)
- Introduction to Atomic Bughouse Chess (Chess Variant)
- Introduction to Balbo’s Game (Chess Variant)
- Introduction to Chaturaji (Chess Variant)
- Introduction to Checkers Chess (Chess Variant)
- Introduction to Circular Chess (Chess Variant)
- Introduction to Cubic Chess (Chess Variant)
- Introduction to Double Chess (Chess Variant)
- Introduction to Double-Take Chess (Chess Variant)
- Introduction to Eurasian Chess (Chess Variant)
- Introduction to Fairy Chess (Chess Variants)
- Introduction to Four-Player Chess (Chess Variant)
- Introduction to Gliński’s Hexagonal Chess (Chess Variant)
- Introduction to Grid Chess (Chess Variant)
- Introduction to Hostage Chess (Chess Variant)
- Introduction to Identity Theft Chess (Mind Control Chess or Traitors Chess)
- Introduction to Infinite Chess (Chess Variant)
- Introduction to Koopa Chess
- Introduction to Monster Chess (Super King Chess)
- Introduction to Progressive Chess (Chess Variant)
- Introduction to Three-Player Chess (Chess Variants)
- Introduction to Ultima (Baroque Chess)
- Introduction to Wizard’s Chess (Chess Variant)
- Is “Go” Harder Than Chess? (Overview)
- Is 1. e4 Better Than 1. d4? [e4 vs. d4]
- Is Chess Better than Checkers? (Overview)
- Is Chess Good for the Brain? [Teaching Chess to Children]
- Is Playing Chess a Waste of Time? (Inside Look)
- Janus Chess (Two-King Chess Variant)
- King of the Hill (Chess Variant)
- King to the Other Side in Chess (Meaning)
- Knight Chess Piece Tattoo Meaning (Overview)
- Knight Relay Chess (Chess Variant)
- Knight vs. Bishop – Are Bishops More Valuable?
- Knightmare Chess (Chess Variant)
- List of Chess Movies (17+ Best)
- Los Alamos Chess (Chess Variant)
- Lowest Chess Rating (Explained)
- Maharaja Chess (Chess Variant)
- Maharajah and the Sepoys – A Variant for Asymmetric Chess
- Minishogi (Chess Variant)
- No-Castle Chess (Chess Variant)
- Omega Chess (Chess Variant)
- Online Chess vs. Over-the-Board (OTB) Chess (Overview)
- Open Game in Chess (Principles)
- Open vs. Semi-Open vs. Closed Games in Chess
- Peak Age for Chess Players [Empirical Results]
- Play Magnus – ELO Estimates by Age (Complete List)
- Playing Checkers, Not Chess (Meaning)
- Poker vs. Chess – Exploring the Differences
- Racing Kings (Chess Variant)
- Regulation Size Chess Board (Dimensions)
- Rook and King vs. King Checkmate (How to Do It)
- Shatranj – The Historical Precursor to Modern Chess
- Shogi vs. Chess – Is Shogi Harder Than Chess?
- Shogi: A Traditional Japanese Game of Strategy (Chess Variant)
- Solved Chess – Finding the Perfect Algorithm to Play Chess
- Soviet School of Chess (Principles, History, Figures)
- Stockfish vs. Leela – Differences (Which is Better?)
- Suicide Chess (Losing or Giveaway Chess) – Everything to Know
- Tactical vs. Positional Chess: An In-Depth Comparison
- Three-Check Chess – Adding a Twist to the Classic Game
- Top 10 Chess Players of All Time [Detailed Look]
- Turkish Chess (Chess Variant)
- Two Knights & King vs. King – Draw or Checkmate? (Two Knights Endgame)
- Value of a Non-Royal King (Answered)
- Ways to Win at Chess (Explained)
- What Cognitive Skills Are Needed to Excel at Chess? [Top 9]
- What Does a Second Do in Chess? (Complete Guide)
- What Happens If You Take Your Hand Off a Chess Piece? (Explained)
- What Is a Chess FIDE Master? (FM)
- What Is a Chess Grandmaster (GM)? (Super GM)
- What Is a Chess International Master? (IM)
- What Is a Chess National Master? (NM)
- What Is a Draw in Chess? (Explained)
- What Is a Sharp Line in Chess? (Guide)
- What Is Compensation in Chess? (Guide)
- What Is Creativity in Chess & How to Use It
- What Is the Goal of Chess? (Insights)
- What Is the Weakest Chess Piece? (Ranked)
- When Was Chess Invented? (Year)
- Who Has Won the Most World Chess Championships? (Overview)
- Why Am I So Bad at Chess? (Overview)
- Why Are Chess Grandmasters So Young?
- Why Are There So Few Women in Chess?
- Why Do Chess Players Write Down Their Moves? (Explained)
- Why Does White Go First in Chess? (Explained)
- Why Is Blitz Harder Than Classical Chess? (Overview)
- Why Is Chess Separated by Gender? (Women’s Chess)
- Why Is the US Bad at Chess? (Explained)
- Why Is There a Cross on a King in Chess? (Explained)
- Why Magnus Carlsen Stopped Playing the World Championship
- Wild, Amazing Chess Games (List)
- Win in Chess with Only a King? (Overview)
- Women Chess Ratings & Titles (WGM, WIM, WFM, WCM)
- Wooden Shield (Chess)
- Wurzburger Trap (Vienna Game) – Strategy, Theory, Variations, Lines
Defenses
- 13+ Indian Defenses in Chess (Explained)
- 49+ Chess Defenses & Descriptions (List)
- Abbazia Defense (King’s Gambit)
- Adams Defense (Wild Bull Defense)
- Alekhine’s Defense – 1. e5 Nf6 (Theory, Variations & Strategy)
- Averbakh System (Modern Defense Theory)
- Balogh Defense (Strategy & Theory)
- Baltic Defense (Queen’s Gambit Theory)
- Barnes Defense – 1. e4 f6 (Theory, Strategy)
- Becker Defense (King’s Gambit)
- Benko Gambit – 1.d4 Nf6 2.c4 c5 3.d5 b5 (Theory)
- Benoni Defense – 1.d4 Nf6 2.c4 c5 3.d5
- Berlin Defense (Ruy Lopez Theory) – Variations, Lines
- Black Knights’ Tango (Mexican Defense)
- Bogo-Indian Defense (Strategy & Theory)
- Bonch-Osmolovsky Defense (King’s Gambit)
- Borg Defense – 1. e4 g5 (Theory, Strategy)
- Budapest Gambit – 1.d4 Nf6 2.c4 e5 (Theory)
- Cambridge Springs Defense (Theory, Strategy, Move Order)
- Caro-Kann Defense – 1. e4 c6 (Theory, Strategy, Variations)
- Carr Defense – 1. e4 h6 (Theory, Strategy)
- Chigorin Defense (Queen’s Gambit Theory)
- Corn Stalk Defense – 1. e4 a5
- Damiano Defense (Theory, Variations, Lines)
- Dutch Defense – 1.d4 f5 (Strategy & Theory)
- East Indian Defense – 1.d4 Nf6 2.Nf3 g6 (Theory)
- Elephant Gambit (Variations, Move Orders, Purpose & Strategy)
- English Defense – 1.d4 e6 2.c4 b6 (Strategy & Theory)
- French Defense – 1. e4 e6 (Tarrasch, Winawer, Exchange, Advance, Classical)
- Goldsmith Defense (Pickering Defense) – Theory, Variations
- Greco Defense (McConnell Defense) – Theory, Variations, Lines
- Grunfeld Defense (Variations, Move Order, Purpose & Strategy)
- Gunderam Defense (Brazilian Defense) – Theory, Variations
- Hedgehog Defense (Chess) – Strategy & Theory
- Hippopotamus Defense (Strategy & Theory)
- Indian Defense (Indian Game) – 1.d4 Nf6 (Theory)
- Keres Defense – 1.d4 e6 2.c4 Bb4+ (Strategy & Theory)
- King’s Indian Defense – 1.d4 Nf6 2.c4 g6 (Theory)
- Lemming Defense – 1. e4 Na6 (Theory, Strategy)
- MacLeod Defense (King’s Gambit)
- Magnus Smith Trap (Sicilian Defense Theory)
- Marshall Defense (Queen’s Gambit Theory)
- Marshall Trap (Petrov’s Defense)
- Matinovsky Gambit (Strategy & Theory)
- Modern Defense (Robatsch Defence) – 1…g6 (Theory)
- Monkey’s Bum – Twist on the Modern Defense in Chess
- Monticelli Trap (Strategy & Theory)
- Neo-Indian Attack – 1.d4 Nf6 2.c4 e6 3.Bg5 (Theory)
- Nimzo-Indian Defense (Strategy & Theory)
- Nimzowitsch Defense – 1.e4 Nc6 (Strategy & Theory)
- Old Indian Defense – 1.d4 Nf6 2.c4 d6 (Theory)
- Owen’s Defense (Greek Defense) – 1.e4 b6
- Petrov Defense (Theory, Variations, Lines)
- Philidor Defense (Theory, Strategy, Variations)
- Pirc Defense – 1.e4 d6 (Strategy & Theory)
- Polish Defense – 1. d4 b5
- Queen’s Indian Defense – 1.d4 Nf6 2.c4 e6 3.Nf3 b6 (Theory)
- Queen’s Knight Defense – 1. d4 Nc6 (Bogoljubov–Mikenas, Nimzowitsch Queen Pawn or Lundin Defense)
- Samisch Variation of the King’s Indian Defense (Theory)
- Scandinavian Defense (Center Counter Defense) – Theory
- Schallopp Defense (King’s Gambit)
- Semi-Slav Defense (Theory, Variations, Lines)
- Semi-Tarrasch Defense (Theory, Variations, Lines)
- Sicilian Defence, Chekhover Variation (Szily Variation or Hungarian Variation)
- Sicilian Defence, Katalymov Variation (Theory, Strategy & Lines)
- Sicilian Defense – 1.e4 c5 (Variations, Move Orders, Purpose)
- Sicilian Defense, Accelerated Dragon (Theory, Strategy & Lines)
- Sicilian Defense, Alapin Variation (Strategy, Theory & Lines)
- Sicilian Defense, Classical Variation (Theory, Strategy & Lines)
- Sicilian Defense, Dragon Variation (Strategy, Theory & Lines)
- Sicilian Defense, Kalashnikov Variation (Strategy, Theory, Lines)
- Sicilian Defense, Najdorf Variation (Theory, Strategy, Lines)
- Sicilian Defense, Richter-Rauzer Variation (Strategy, Theory, Lines)
- Sicilian Defense, Scheveningen Variation (Strategy, Theory & Lines)
- Sicilian Defense, Sozin Variation (Strategy, Theory, Lines)
- Sicilian Defense, Sveshnikov Variation (Theory, Strategy & Lines)
- Slav Defense (Theory, Variations, Lines)
- Smith-Morra Gambit – 1.e4 c5 2.d4 (Variations, Purpose, Theory)
- St. George Defense – 1. e4 a6 (Theory, Strategy)
- Staunton Gambit – 1.d4 f5 2.e4 (Strategy & Theory)
- Symmetrical Defense (Queen’s Gambit Theory)
- Tarrasch Defense (Theory, Variations, Lines)
- Ukrainian Variation of the Old Indian Defense (Theory)
- Wade Defense – 1.d4 d6 2.Nf3 Bg4 (Strategy & Theory)
- Wagenbach Defense (King’s Gambit)
- Yugoslav Attack, Dragon Variation – 9.Bc4 (Sicilian Defense Theory)
Irregular Openings
- Alapin’s Opening – 1.e4 e5 2.Ne2 (Theory, Strategy, Lines)
- Amar Opening (Ammonia Attack) – 1.Nh3
- Anderssen’s Opening (Variations, Move Order, Purpose & Strategy)
- Barnes Opening – 1.f3 (Strategy & Theory)
- Bird’s Opening – 1.f4 (Strategy & Theory)
- Bishop’s Gambit (King’s Gambit) – Theory, Variations, Lines
- Bishop’s Opening – 1. e4 e5 2. Bc4 (Theory, Strategy, Variations)
- Blackmar-Diemer Gambit (BDG) (Theory, Strategy, Lines)
- Bongcloud Opening in Chess (Meme Opening, Troll Opening)
- Center Game – 1. e4 e5 2. d4 exd4 (Theory, Strategy, Variations)
- Center Pawn Opening (MacLeod Attack) – 1.e4 e5 2.c3 (Theory)
- Clemenz Opening – 1.h3 (Strategy & Theory)
- Crab Opening – 1. a4 e5 2. h4 (Theory, Strategy)
- Danish Gambit (Theory, Strategy, Variations)
- Danvers Opening – 1. e4 e5 2. Qh5 (Theory)
- Duras Gambit – 1. e4 f5 (Theory, Strategy)
- Falkbeer Countergambit (King’s Gambit)
- Grob Opening – 1.g4 (Strategy & Theory)
- Gunderam Gambit – 1. e4 e5 2. Nf3 c6 (Theory, Variation, Lines)
- Halloween Gambit (Theory, Strategy, Variations)
- Halosar Trap (Theory, Strategy, Lines)
- Hippopotamus Defense (Strategy & Theory)
- Inverted Hungarian Opening (Theory, Variations, Lines)
- Irish Gambit (Theory, Strategy, Lines)
- Kádas Opening – 1.h4 (Strategy & Theory)
- King’s Fianchetto Opening – 1.g3 (Strategy & Theory)
- King’s Gambit (Theory, Strategy, Variations, Lines)
- Konstantinopolsky Opening (Theory, Variations, Strategy)
- Larsen’s Opening – 1.b3 (Strategy & Theory)
- Latvian Gambit (Theory, Variations, Lines)
- Leonardis Variation of the King’s Pawn Opening (Theory, Variations)
- Mieses Opening – 1.d3 (Strategy & Theory)
- Napoleon Opening – 1.e4 e5 2.Qf3 (Theory, Strategy)
- Polish Opening 1.b4 (Sokolsky Opening; Orangutan)
- Ponziani Opening (Theory, Variations, Lines)
- Portuguese Opening – 1. e4 e5 2. Bb5 (Theory)
- Pyramid Opening (Strategy, Move Order)
- Richter-Veresov Attack (Theory, Variations, Strategy)
- Saragossa Opening – 1.c3 (Strategy, Purpose, Theory)
- Sodium Attack: 1.Na3 (Variations, Move Order, Purpose & Strategy)
- Tennison’s Gambit (Chess Theory)
- Van Geet Opening – 1.Nc3 (Strategy & Theory)
- Van’t Kruijs Opening – 1.e3 (Strategy & Theory)
- Ware Opening – 1.a4 (Variations, Move Order, Purpose & Strategy)
Italian Game
- Blackburne Shilling Gambit (Theory, Variations, Lines)
- Evans Gambit (Theory, Variations, Lines)
- Fried Liver Attack (Theory, Strategy, Variations, Lines)
- Giuoco Pianissimo (Theory, Variations, Lines)
- Giuoco Piano (Theory, Variations, Lines)
- Hungarian Defense (Theory, Variations, Lines)
- Italian Gambit (Theory, Variations, Lines)
- Italian Game (Theory, Variations, Lines)
- Koltanowski Gambit Theory (Italian-Koltanowski / Deutz Gambit)
- Légal Trap (Blackburne Trap) – Queen Sacrifice Checkmate
- Max Lange Attack (Theory, Variations, Lines)
- Rousseau Gambit (Theory, Variations, Lines)
- Semi-Italian Opening (Theory, Variations, Lines)
- Two Knights Defense (Theory, Variations, Lines)
Openings
- 123+ Chess Openings Named After People (List)
- 127+ Chess Openings Named After Places (List)
- 25+ Chess Openings for White (List)
- Abbazia Defense (King’s Gambit)
- Alapin’s Opening – 1.e4 e5 2.Ne2 (Theory, Strategy, Lines)
- Albin Countergambit (Theory, Strategy, Lines)
- Allgaier Gambit (King’s Gambit)
- Amar Opening (Ammonia Attack) – 1.Nh3
- Anderssen Variation (Ruy Lopez Theory)
- Anderssen’s Opening (Variations, Move Order, Purpose & Strategy)
- Arkhangelsk Defense (Ruy Lopez Theory)
- Averbakh Variation (Ruy Lopez Theory)
- Balogh Defense (Strategy & Theory)
- Barcza System – 1. Nf3 d5 2. g3 (Strategy & Theory)
- Barnes Opening – 1.f3 (Strategy & Theory)
- Becker Defense (King’s Gambit)
- Berlin Defense (Ruy Lopez Theory) – Variations, Lines
- Bird’s Opening – 1.f4 (Strategy & Theory)
- Bishop’s Gambit (King’s Gambit) – Theory, Variations, Lines
- Bishop’s Opening – 1. e4 e5 2. Bc4 (Theory, Strategy, Variations)
- Black Knights’ Tango (Mexican Defense)
- Blackburne Shilling Gambit (Theory, Variations, Lines)
- Blackmar-Diemer Gambit (BDG) (Theory, Strategy, Lines)
- Bogo-Indian Defense (Strategy & Theory)
- Bonch-Osmolovsky Defense (King’s Gambit)
- Bongcloud Opening in Chess (Meme Opening, Troll Opening)
- Breyer Variation (Ruy Lopez Theory)
- Budapest Gambit – 1.d4 Nf6 2.c4 e5 (Theory)
- Cambridge Springs Defense (Theory, Strategy, Move Order)
- Caro Variation of the Ruy Lopez (Theory)
- Catalan Opening (Strategy & Theory)
- Center Attack (Ruy Lopez Theory)
- Center Game – 1. e4 e5 2. d4 exd4 (Theory, Strategy, Variations)
- Center Pawn Opening (MacLeod Attack) – 1.e4 e5 2.c3 (Theory)
- Chess Opening Principles (List)
- Chigorin Variation (Ruy Lopez Theory)
- Classical Defense Deferred of the Ruy Lopez (Theory)
- Classical or Cordel Defense (Ruy Lopez Theory)
- Clemenz Opening – 1.h3 (Strategy & Theory)
- Colle System (Theory, Variations, Lines)
- Cozio Defense (Ruy Lopez Theory)
- Cozio Defense Deferred (Ruy Lopez Theory)
- Crab Opening – 1. a4 e5 2. h4 (Theory, Strategy)
- Cunningham Defense (King’s Gambit)
- Danish Gambit (Theory, Strategy, Variations)
- Danvers Opening – 1. e4 e5 2. Qh5 (Theory)
- Delayed Exchange Variation Deferred (Ruy Lopez Theory)
- Double Ruy Lopez (Theory, Variations, Strategy)
- Duras Gambit – 1. e4 f5 (Theory, Strategy)
- Dutch Defense – 1.d4 f5 (Strategy & Theory)
- Elephant Trap (Move Order, Strategy)
- English Opening – 1.c4 (Strategy & Theory)
- Englund Gambit (Variations, Move Order, Purpose & Strategy)
- Evans Gambit (Theory, Variations, Lines)
- Exchange Variation of the Ruy López: 4.Bxc6 (Theory, Variations, Lines)
- Falkbeer Countergambit (King’s Gambit)
- Fianchetto Defense (Ruy Lopez Theory)
- Fianchetto Defense Deferred (Ruy Lopez Theory)
- Four Knights Game (Theory, Variations, Lines)
- Fried Liver Attack (Theory, Strategy, Variations, Lines)
- Ghulam Kassim Gambit (King’s Gambit)
- Giuoco Pianissimo (Theory, Variations, Lines)
- Giuoco Piano (Theory, Variations, Lines)
- Graz Defense (Theory, Variations, Lines)
- Grob Opening – 1.g4 (Strategy & Theory)
- Gunderam Gambit – 1. e4 e5 2. Nf3 c6 (Theory, Variation, Lines)
- Halloween Gambit (Theory, Strategy, Variations)
- Halosar Trap (Theory, Strategy, Lines)
- Hanstein Gambit (King’s Gambit)
- Hippopotamus Defense (Strategy & Theory)
- Hungarian Defense (Theory, Variations, Lines)
- Inverted Hungarian Opening (Theory, Variations, Lines)
- Irish Gambit (Theory, Strategy, Lines)
- Italian Gambit (Theory, Variations, Lines)
- Italian Game (Theory, Variations, Lines)
- Kádas Opening – 1.h4 (Strategy & Theory)
- Karpov Variation (Ruy Lopez Theory)
- Keres Variation (Ruy Lopez Theory)
- Kholmov Variation (Ruy Lopez Theory)
- Kieseritzky Gambit (King’s Gambit)
- King’s Fianchetto Opening – 1.g3 (Strategy & Theory)
- King’s Gambit (Theory, Strategy, Variations, Lines)
- King’s Pawn Opening – 1.e4 (King’s Pawn Game)
- Koltanowski Gambit Theory (Italian-Koltanowski / Deutz Gambit)
- Konstantinopolsky Opening (Theory, Variations, Strategy)
- Larsen’s Opening – 1.b3 (Strategy & Theory)
- Lasker Trap (Theory, Strategy)
- Latvian Gambit (Theory, Variations, Lines)
- Légal Trap (Blackburne Trap) – Queen Sacrifice Checkmate
- Leonardis Variation of the King’s Pawn Opening (Theory, Variations)
- Lolli Gambit (King’s Gambit)
- London System (Theory, Strategy, Lines)
- Lutikov Variation (Ruy Lopez Theory)
- Mackenzie Variation (Ruy Lopez Theory)
- MacLeod Defense (King’s Gambit)
- Marshall Attack (Ruy Lopez Theory)
- Matinovsky Gambit (Strategy & Theory)
- Max Lange Attack (Theory, Variations, Lines)
- McDonnell Gambit (King’s Gambit)
- Mieses Opening – 1.d3 (Strategy & Theory)
- Modern Arkhangelsk Defense (Ruy Lopez Theory)
- Modern Line (Ruy Lopez Theory)
- Modern Steinitz Defense (Ruy Lopez Theory)
- Møller Defense (Ruy Lopez Theory)
- Morphy Attack (Ruy Lopez Theory)
- Muzio Gambit (King’s Gambit)
- Napoleon Opening – 1.e4 e5 2.Qf3 (Theory, Strategy)
- Nimzo-Indian Defense (Strategy & Theory)
- Nimzowitsch Defense – 1.e4 Nc6 (Strategy & Theory)
- Norwegian Defense (Theory, Variations, Lines)
- Old Indian Defense – 1.d4 Nf6 2.c4 d6 (Theory)
- Open Defense (Ruy Lopez Theory)
- Owen’s Defense (Greek Defense) – 1.e4 b6
- Philidor Gambit (King’s Gambit)
- Pilnik Variation (Ruy Lopez Theory)
- Pirc Defense – 1.e4 d6 (Strategy & Theory)
- Polish Opening 1.b4 (Sokolsky Opening; Orangutan)
- Ponziani Opening (Theory, Variations, Lines)
- Portuguese Opening – 1. e4 e5 2. Bb5 (Theory)
- Pyramid Opening (Strategy, Move Order)
- Quaade Gambit (King’s Gambit)
- Queen’s Gambit Opening (Variations, Move Orders, Purpose & Strategy)
- Queen’s Pawn Game – 1.d4 (Strategy & Theory)
- Ranking Opening Moves in Chess [All 20]
- Réti Opening – 1.Nf3 (Zukertort Opening)
- Rice Gambit (King’s Gambit)
- Richter-Veresov Attack (Theory, Variations, Strategy)
- Rosentreter Gambit (King’s Gambit)
- Rousseau Gambit (Theory, Variations, Lines)
- Rubinstein Trap (Theory, Strategy)
- Ruy Lopez – Spanish Opening (Theory, Variations, Lines, Strategy)
- Ruy López Creative Alternatives (What to Play Instead)
- Ruy Lopez Four Knights Variation (Theory)
- Ruy Lopez, Bird’s Defense (Theory, Variations, Lines)
- Salvio Gambit (King’s Gambit)
- Samisch Variation of the King’s Indian Defense (Theory)
- Saragossa Opening – 1.c3 (Strategy, Purpose, Theory)
- Schallopp Defense (King’s Gambit)
- Schliemann Defense (Ruy Lopez Theory)
- Schliemann Defense Deferred (Ruy Lopez Theory)
- Scotch Game (Theory, Variations, Lines)
- Semi-Italian Opening (Theory, Variations, Lines)
- Smith-Morra Gambit – 1.e4 c5 2.d4 (Variations, Purpose, Theory)
- Smyslov Variation (Ruy Lopez Theory)
- Sodium Attack: 1.Na3 (Variations, Move Order, Purpose & Strategy)
- Staunton Gambit – 1.d4 f5 2.e4 (Strategy & Theory)
- Steinitz Defense (Ruy Lopez Theory)
- Steinitz Defense Deferred (Russian Defense – Ruy Lopez Theory)
- Suetin Variation (Ruy Lopez Theory)
- Tennison’s Gambit (Chess Theory)
- Three Knights Game (Theory, Variations, Lines)
- Torre Attack – 1.d4 Nf6 2.Nf3 … 3.Bg5
- Trajković Variation (Ruy Lopez Theory)
- Trompowsky Attack – 1.d4 Nf6 2.Bg5 (Opočenský Opening, Ruth Opening, the Zot)
- Two Knights Defense (Theory, Variations, Lines)
- Ukrainian Variation of the Old Indian Defense (Theory)
- Van Geet Opening – 1.Nc3 (Strategy & Theory)
- Van’t Kruijs Opening – 1.e3 (Strategy & Theory)
- Vienna Game – 1. e4 e5 2. Nc3 (Theory, Strategy, Variations)
- Wagenbach Defense (King’s Gambit)
- Ware Opening – 1.a4 (Variations, Move Order, Purpose & Strategy)
- Wormald Variation (Ruy Lopez Theory)
- Worrall Attack (Ruy Lopez Theory)
- Yates Variation (Ruy Lopez Theory)
- Zaitsev Variation (Ruy Lopez Theory)
Ruy Lopez
- Anderssen Variation (Ruy Lopez Theory)
- Arkhangelsk Defense (Ruy Lopez Theory)
- Averbakh Variation (Ruy Lopez Theory)
- Berlin Defense (Ruy Lopez Theory) – Variations, Lines
- Breyer Variation (Ruy Lopez Theory)
- Caro Variation of the Ruy Lopez (Theory)
- Center Attack (Ruy Lopez Theory)
- Chigorin Variation (Ruy Lopez Theory)
- Classical Defense Deferred of the Ruy Lopez (Theory)
- Classical or Cordel Defense (Ruy Lopez Theory)
- Cozio Defense (Ruy Lopez Theory)
- Cozio Defense Deferred (Ruy Lopez Theory)
- Delayed Exchange Variation Deferred (Ruy Lopez Theory)
- Exchange Variation of the Ruy López: 4.Bxc6 (Theory, Variations, Lines)
- Fianchetto Defense (Ruy Lopez Theory)
- Fianchetto Defense Deferred (Ruy Lopez Theory)
- Graz Defense (Theory, Variations, Lines)
- Karpov Variation (Ruy Lopez Theory)
- Keres Variation (Ruy Lopez Theory)
- Kholmov Variation (Ruy Lopez Theory)
- Lutikov Variation (Ruy Lopez Theory)
- Mackenzie Variation (Ruy Lopez Theory)
- Marshall Attack (Ruy Lopez Theory)
- Modern Arkhangelsk Defense (Ruy Lopez Theory)
- Modern Line (Ruy Lopez Theory)
- Modern Steinitz Defense (Ruy Lopez Theory)
- Møller Defense (Ruy Lopez Theory)
- Morphy Attack (Ruy Lopez Theory)
- Norwegian Defense (Theory, Variations, Lines)
- Open Defense (Ruy Lopez Theory)
- Pilnik Variation (Ruy Lopez Theory)
- Ruy Lopez – Spanish Opening (Theory, Variations, Lines, Strategy)
- Ruy López Creative Alternatives (What to Play Instead)
- Ruy Lopez Four Knights Variation (Theory)
- Ruy Lopez, Bird’s Defense (Theory, Variations, Lines)
- Schliemann Defense (Ruy Lopez Theory)
- Schliemann Defense Deferred (Ruy Lopez Theory)
- Smyslov Variation (Ruy Lopez Theory)
- Steinitz Defense (Ruy Lopez Theory)
- Steinitz Defense Deferred (Russian Defense – Ruy Lopez Theory)
- Suetin Variation (Ruy Lopez Theory)
- Trajković Variation (Ruy Lopez Theory)
- Wormald Variation (Ruy Lopez Theory)
- Worrall Attack (Ruy Lopez Theory)
- Yates Variation (Ruy Lopez Theory)
- Zaitsev Variation (Ruy Lopez Theory)
Sicilian
- Magnus Smith Trap (Sicilian Defense Theory)
- Sicilian Defence, Chekhover Variation (Szily Variation or Hungarian Variation)
- Sicilian Defence, Katalymov Variation (Theory, Strategy & Lines)
- Sicilian Defense – 1.e4 c5 (Variations, Move Orders, Purpose)
- Sicilian Defense, Accelerated Dragon (Theory, Strategy & Lines)
- Sicilian Defense, Alapin Variation (Strategy, Theory & Lines)
- Sicilian Defense, Classical Variation (Theory, Strategy & Lines)
- Sicilian Defense, Dragon Variation (Strategy, Theory & Lines)
- Sicilian Defense, Kalashnikov Variation (Strategy, Theory, Lines)
- Sicilian Defense, Najdorf Variation (Theory, Strategy, Lines)
- Sicilian Defense, Richter-Rauzer Variation (Strategy, Theory, Lines)
- Sicilian Defense, Scheveningen Variation (Strategy, Theory & Lines)
- Sicilian Defense, Sozin Variation (Strategy, Theory, Lines)
- Sicilian Defense, Sveshnikov Variation (Theory, Strategy & Lines)
- Smith-Morra Gambit – 1.e4 c5 2.d4 (Variations, Purpose, Theory)
- Yugoslav Attack, Dragon Variation – 9.Bc4 (Sicilian Defense Theory)
Unorthodox
- Abbazia Defense (King’s Gambit)
- Adams Defense (Wild Bull Defense)
- Baltic Defense (Queen’s Gambit Theory)
- Barnes Defense – 1. e4 f6 (Theory, Strategy)
- Becker Defense (King’s Gambit)
- Bonch-Osmolovsky Defense (King’s Gambit)
- Borg Defense – 1. e4 g5 (Theory, Strategy)
- Cambridge Springs Defense (Theory, Strategy, Move Order)
- Carr Defense – 1. e4 h6 (Theory, Strategy)
- Chigorin Defense (Queen’s Gambit Theory)
- Corn Stalk Defense – 1. e4 a5
- Damiano Defense (Theory, Variations, Lines)
- Goldsmith Defense (Pickering Defense) – Theory, Variations
- Greco Defense (McConnell Defense) – Theory, Variations, Lines
- Gunderam Defense (Brazilian Defense) – Theory, Variations
- Hippopotamus Defense (Strategy & Theory)
- Lemming Defense – 1. e4 Na6 (Theory, Strategy)
- MacLeod Defense (King’s Gambit)
- Marshall Defense (Queen’s Gambit Theory)
- Matinovsky Gambit (Strategy & Theory)
- Owen’s Defense (Greek Defense) – 1.e4 b6
- St. George Defense – 1. e4 a6 (Theory, Strategy)
- Symmetrical Defense (Queen’s Gambit Theory)
- Wagenbach Defense (King’s Gambit)