Intermediate
Intermediate Chess
The improver's path: how to build an opening repertoire, gambits, the endgames that decide games, sharper tactics, and the strategic ideas behind strong play.
9. Building an Opening Repertoire
At this level, openings are about understanding plans and structures — not memorizing twenty moves. How to choose, learn, and handle surprises.
- What you'll learnOpenings the smart way.Learn
- Openings: understand, don't memorizeWhy plans beat move lists.Learn
- How to actually learn an openingMemorization vs. understanding.Quiz
- What's a repertoire?Your set of go-to openings.Quiz
- A model opening: the Closed Ruy LopezPrincipled development into a real middlegame.Replay
- Move order & transpositionDifferent paths, same position.Quiz
- When they leave theoryFacing an unfamiliar move.Quiz
- Your turn: play a systemPredict the London setup — the same plan every game.Guess
- Now go build your repertoireWhere to actually choose and drill your openings.Learn
10. Gambits
A gambit gives up a pawn (or more) to gain rapid development, open lines, and the initiative. Three classics — two for White, one for Black — and when the trade is worth it.
- What you'll learnPawns for initiative.Learn
- What a gambit buysTrade a pawn for time.Learn
- What you're buyingWhy give away a pawn?Quiz
- The Evans Gambit (White)Sacrifice a pawn to build a big center.Replay
- The King's Gambit (White)Romantic, sharp, and instructive.Replay
- The Budapest Gambit (Black)A surprise weapon against 1.d4.Replay
- Facing a gambitShould you grab the pawn?Quiz
- Your turn: play the gambitPredict the Evans Gambit's pawn sac and the burst that follows.Guess
- Recap: initiative over materialTime can be worth a pawn.Learn
11. Endgames That Decide Games
King-and-pawn technique and rook-endgame principles win and save more games than any opening. Master the opposition, the square, and where the rook belongs.
- What you'll learnThe endings that decide games.Learn
- Endgame technique wins gamesThe few ideas that decide close games.Learn
- The oppositionKings facing off.Quiz
- Winning with king and pawnThe king leads, the pawn follows.Replay
- The square of the pawnCan the king catch it?Quiz
- Rooks behind passed pawnsTarrasch's rule, on the board.Learn
- Rooks and passed pawnsA famous rule of thumb.Quiz
- Lucena vs. PhilidorThe two endgames you must know.Quiz
- Drill: convert the king and pawnNow play the technique yourself.Drill
- Drill: win the Lucena (rook and pawn)Escort the pawn past the checks.Drill
- Now drill itConvert real endings against the engine.Learn
★ Checkpoint: Openings, Gambits & Endgames
A quick retrieval check on the first half of the module — how to study openings, what a gambit buys, and the endgame rules that decide games.
12. Sharper Tactics
Calculate forcing moves first, then learn the recurring weapons: the discovered attack, removing the defender, deflection — and the prettiest mate of all.
- What you'll learnFind tactics on purpose.Learn
- How to find tacticsForcing moves, then patterns.Learn
- Calculate forcing moves firstWhere to point your attention.Quiz
- Smothered mateThe king, trapped by its own army.Puzzle
- Fork into the positionA capture that forks two pieces.Puzzle
- The discovered attackMove one piece, unleash another.Learn
- Discovered attackTwo threats from one move.Quiz
- Try it: the discovered attackUnleash the bishop with check.Puzzle
- See it: removing the defenderKnock out the guard, take the prize.Replay
- Removing the defenderKnock out the guard.Quiz
- Try it: removing the defenderKnock out the guard, take the prize.Puzzle
- Deflection & overloadingToo many jobs for one piece.Quiz
- Try it: deflectionPull the guard off its job.Puzzle
- Now train the patternReps turn motifs into instinct.Learn
13. Positional Strategy
When there's no tactic, strategy decides: where pieces belong, which files and squares matter, and how to turn small edges into wins.
- What you'll learnChoosing moves with no tactic.Learn
- When there's no tactic, strategy decidesPlay for small, lasting edges.Learn
- Knight outpostsA knight's dream home.Quiz
- Rooks and open filesWhere rooks come alive.Quiz
- The bishop pairTwo bishops working together.Quiz
- The isolated queen's pawnStrength and weakness at once.Quiz
- Good trades, bad tradesEvery exchange has a purpose.Quiz
- Always have a planThe thread that ties it together.Quiz
- Apply it: seize the file, then convertQuiet position — pick the plan, then execute it.Plan
- Apply it: your worst pieceImprove the weakest link.Sort
- Recap: play with a planSmall edges, chosen on purpose.Learn
14. Pawn Structures
Pawns can't move backward, so the pawn skeleton is the most permanent feature of a position — and it tells you where to play. Learn to read isolated, doubled, passed, and backward pawns and the plans each one sets.
- What you'll learnRead the pawns, find the plan.Learn
- Pawns are the soul of chessThe skeleton sets the plan.Learn
- The isolated pawnActive, but a target.Quiz
- Doubled pawnsClumsy — but they open a file.Quiz
- The passed pawnIt must be pushed!Quiz
- Pawn chainsHit the base.Quiz
- The backward pawnStuck on a half-open file.Quiz
- Apply it: spot the targetWhich pawn is weak?Sort
- Apply it: play against the IQP, then convertRead the structure, pick the plan, execute it.Plan
- Recap: play where the pawns pointThe skeleton is your map.Learn
★ Checkpoint: Tactics, Strategy & Structures
A final retrieval check — how to hunt tactics, the strategic building blocks, and reading the pawn structure.