Common variation
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Practice the authentic legal move sequence for this named variation.
✦ Knowledge is the first move ✦
Master the opening.
Command the realm.
Enter the great library of chess. Study time-honored openings, uncover their hidden ideas, and forge a repertoire worthy of a crown.
- 10
- Essential openings
- 280
- Lines to explore
- 10
- Rated opponents
From the royal archives
Choose your campaign
Every opening tells a story. Choose a path, learn its principles, and prepare for the battles ahead.
Twenty roads through the battle
Ruy López variations
Select any opening above to inspect its main lines and most common branches.
Explore optional uncommon lines 8 additional studies
The grandmaster’s chamber
Follow the main line
Move through each lesson to reveal the purpose behind every piece.
A B C D E F G H
A B C D E F G H
Drag any piece to a square, or tap a piece and then its destination.
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Lesson I · Move 1
Claim the center
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Key principle
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The challenge hall
Test your command
Choose your colors and face an opponent who plays with human strengths—and human flaws.
A B C D E F G H
Promote your pawn
A B C D E F G H
Drag a piece or tap it, then choose a highlighted legal square.
The royal ledger
Your chess record
Your name, results, conquered opponents, and complete PGN scores are saved on this device.
The tactician’s table
Free movement board
This board intentionally ignores chess rules. Drag or tap any piece and place it on any square to build positions and ideas.
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No rules. Every square is open.
Pieces may jump, replace one another, move backward, or ignore check. All other boards on 2 Rooks continue to enforce legal chess.
Wisdom before warfare
A map for every battle
2 Rooks turns centuries of opening knowledge into memorable, move-by-move lessons. No rote memorization—only ideas you can carry into every game.