363 chess lessons across two courses

Choose and explain legal rook, bishop and queen moves in mixed positions, accounting for blockers.

60 min · 8 puzzle exercises · Start here

Choose legal king, knight and pawn moves in mixed positions, including safe king captures and promotion.

60 min · 8 puzzle exercises · Before this: C001

Answer check legally and prove a simple checkmate by testing the opponent’s legal escapes.

60 min · 8 puzzle exercises · Before this: C001, C002

Play a guided legal game while applying castling conditions and distinguishing checkmate from stalemate.

60 min · 8 puzzle exercises · Before this: C001, C002, C003

Before moving, identify the opponent’s immediate threats and choose a safe response or capture.

60 min · 6 puzzle exercises · Before this: C004

Compare the material balance of a capture sequence and choose a trade that does not lose material.

60 min · 8 puzzle exercises · Before this: C005

Choose an opening move that controls central squares or develops an undeveloped piece with a clear purpose.

60 min · 6 puzzle exercises · Before this: C006

Choose a safe opening continuation and explain a tempting mistake in a guided game.

60 min · 6 puzzle exercises · Before this: C007

Convert a king-and-queen versus king position using a shrinking box and a supported mating finish.

60 min · 6 puzzle exercises · Before this: C008

Choose and execute the appropriate rook mating technique while recognising the defender’s escape squares.

60 min · 6 puzzle exercises · Before this: C009

Find a safe double attack and show how it wins material after the opponent’s best reply.

60 min · 6 puzzle exercises · Before this: C010

Find a safe fork with a queen, rook, bishop or pawn and identify the more valuable follow-up target.

60 min · 6 puzzle exercises · Before this: C011

Distinguish pins from skewers and exploit the line without overlooking a legal defensive reply.

60 min · 6 puzzle exercises · Before this: C012

Use a checks-captures-threats scan to generate candidates and verify one against the opponent’s reply.

60 min · 6 puzzle exercises · Before this: C013

Identify one important error in a played game, explain a better decision and apply the correction in another position.

60 min · 6 puzzle exercises · Before this: C014

Demonstrate legal play, safe decisions, basic tactics and mating technique on unseen positions and in a practical game.

60 min · 0 puzzle exercises · Before this: C015

Choose a safe forking square and calculate the best defence before claiming a gain.

60 min · 6 puzzle exercises · Before this: C016

Exploit a pin by adding pressure while accounting for legal unpinning resources.

60 min · 6 puzzle exercises · Before this: C017

Distinguish fork, pin and skewer in an unlabelled position and verify the continuation.

60 min · 6 puzzle exercises · Before this: C018

Move the front piece with purpose and calculate the revealed attack.

60 min · 5 puzzle exercises · Before this: C019

Explain the checking sources and calculate a legal continuation against the king’s replies.

60 min · 6 puzzle exercises · Before this: C020

Connect two tactical ideas and identify the defender whose removal makes the second work.

60 min · 6 puzzle exercises · Before this: C021

Recognise a tactical opportunity without a motif label and verify it through a defensive reply.

60 min · 6 puzzle exercises · Before this: C022

Calculate a mating threat and choose a development or defensive move that answers it.

60 min · 6 puzzle exercises · Before this: C023

Recognise a trapped king and verify a knight-mate sequence against all relevant replies.

60 min · 6 puzzle exercises · Before this: C024

Explain how rook and knight divide checking and escape-control duties.

60 min · 6 puzzle exercises · Before this: C025

Find a first move that leads to mate against every legal defensive reply.

60 min · 6 puzzle exercises · Before this: C026

Demonstrate independent tactical recognition, defensive checking and short mating calculation.

60 min · 0 puzzle exercises · Before this: C027

Distinguish forcing a defender away from attracting a target onto a vulnerable square.

60 min · 6 puzzle exercises · Before this: C028

Exploit a defender’s duties while calculating the strongest alternative defence.

60 min · 6 puzzle exercises · Before this: C029

Compare the expected recapture with a forcing intermediate move and justify the order.

60 min · 6 puzzle exercises · Before this: C030

Calculate an unlabelled tactical position and explain the complete material or mating result.

60 min · 6 puzzle exercises · Before this: C031

Restrict the lone king and finish with a supported rook mate without losing the rook.

60 min · 6 puzzle exercises · Before this: C032

Choose a king route by calculating opposition and the pawn’s key squares.

60 min · 6 puzzle exercises · Before this: C033

Create or advance a passed pawn while calculating the defender’s capture options.

60 min · 5 puzzle exercises · Before this: C034

Calculate both promotion routes including checks and captures after queening.

60 min · 6 puzzle exercises · Before this: C035

Convert a basic winning ending or defend a drawn one against active resistance.

60 min · 6 puzzle exercises · Before this: C036

Apply development and king-safety principles when a concrete threat interrupts the normal plan.

60 min · 6 puzzle exercises · Before this: C037

Explain how development and open lines create tactical opportunities in the Opera Game.

60 min · 6 puzzle exercises · Before this: C038

Answer an early attacking threat and continue developing without unnecessary queen chasing.

60 min · 6 puzzle exercises · Before this: C039

Choose between attack, defence and conversion on unlabelled Knight-stage positions.

60 min · 6 puzzle exercises · Before this: C040

Identify a tactical or endgame turning point in a recorded game and test a better continuation.

60 min · 6 puzzle exercises · Before this: C041

Apply endgame technique and material safety without coach prompts in practical play.

60 min · 6 puzzle exercises · Before this: C042

Demonstrate mixed tactical, opening and elementary endgame skills independently.

60 min · 0 puzzle exercises · Before this: C043

Evaluate material, king safety, activity and pawn structure, then justify a candidate plan.

60 min · 6 puzzle exercises · Before this: C044

Compare unequal material using activity, king safety and pawn structure.

60 min · 6 puzzle exercises · Before this: C045

Identify an ineffective piece and choose a safe route to a useful role.

60 min · 6 puzzle exercises · Before this: C046

Compare king exposure with material and verify whether an attack is immediate or preparatory.

60 min · 6 puzzle exercises · Before this: C047

Turn a balanced evaluation into a plan and revise it after the opponent’s reply.

60 min · 6 puzzle exercises · Before this: C048

Choose a plan with or against an isolated pawn and calculate the relevant break or blockade.

60 min · 6 puzzle exercises · Before this: C049

Identify structural weaknesses and explain a feasible attack or freeing plan.

60 min · 6 puzzle exercises · Before this: C050

Use a passer as a strategic asset while calculating blockades and king access.

60 min · 6 puzzle exercises · Before this: C051

Choose a pawn break and describe the files, squares and targets it creates.

60 min · 6 puzzle exercises · Before this: C052

Select a plan from pawn structure and test it against a different opponent response.

60 min · 6 puzzle exercises · Before this: C053

Choose a rook file and invasion square with a concrete target and safe entry.

60 min · 6 puzzle exercises · Before this: C054

Compare a knight outpost with bishop activity and choose an improvement plan.

60 min · 6 puzzle exercises · Before this: C055

Coordinate two bishops and calculate whether opening the position helps them.

60 min · 6 puzzle exercises · Before this: C056

Connect a piece-improvement move to a target without overlooking a tactical reply.

60 min · 6 puzzle exercises · Before this: C057

Evaluate an unseen position and support a safe plan with concrete alternatives.

60 min · 0 puzzle exercises · Before this: C058

State a target, a method and a safe first move that connects them.

60 min · 6 puzzle exercises · Before this: C059

Identify the opponent’s strongest idea and choose a response that preserves useful activity.

60 min · 6 puzzle exercises · Before this: C060

Compare attacking one weakness with creating a second target and calculate counterplay.

60 min · 6 puzzle exercises · Before this: C061

Choose exchanges and king activity that preserve a material or structural advantage.

60 min · 6 puzzle exercises · Before this: C062

Revise a strategic plan after a forcing defence or structural change.

60 min · 6 puzzle exercises · Before this: C063

Calculate a short combination with branches and reconstruct the final position accurately.

60 min · 6 puzzle exercises · Before this: C064

Evaluate a bishop sacrifice by checking king routes, attacking support and defensive alternatives.

60 min · 6 puzzle exercises · Before this: C065

Compare an attacking investment with a concrete defensive resource and calculate the result.

60 min · 6 puzzle exercises · Before this: C066

Find a drawing resource and distinguish a repeatable checking route from a hopeful sequence.

60 min · 6 puzzle exercises · Before this: C067

Explain the attacking coordination in the Immortal Game and test a defensive alternative.

60 min · 6 puzzle exercises · Before this: C068

Choose an attacking, converting or drawing objective on an unlabelled position.

60 min · 6 puzzle exercises · Before this: C069

Use the rook and king to shelter a promoting pawn and demonstrate the bridge technique.

60 min · 6 puzzle exercises · Before this: C070

Demonstrate a rook-endgame defensive setup and change checking method at the right moment.

60 min · 6 puzzle exercises · Before this: C071

Choose active rook placement and evaluate king cut-off or support of a passer.

60 min · 6 puzzle exercises · Before this: C072

Write a small repertoire page with development, central breaks and a response to a deviation.

60 min · 6 puzzle exercises · Before this: C073

Continue an opening into a justified middlegame plan and review the transition.

60 min · 6 puzzle exercises · Before this: C074

Demonstrate evaluation, planning, tactical judgement and rook-endgame technique independently.

60 min · 0 puzzle exercises · Before this: C075

Choose an attacking plan based on access routes, piece coordination and the defender’s resources.

60 min · 6 puzzle exercises · Before this: C076

Calculate a pawn advance that opens attacking lines while checking central counterplay.

60 min · 6 puzzle exercises · Before this: C077

Calculate a line-opening sacrifice and compare it with a preparatory move.

60 min · 6 puzzle exercises · Before this: C078

Evaluate giving a rook for a minor piece using concrete compensation and defensive replies.

60 min · 6 puzzle exercises · Before this: C079

Identify the main attacking threat and choose a defence that survives its strongest follow-up.

60 min · 6 puzzle exercises · Before this: C080

Switch accurately between attack and defence as the position changes.

60 min · 6 puzzle exercises · Before this: C081

Generate a useful candidate set and compare the strongest reply to each move.

60 min · 6 puzzle exercises · Before this: C082

Calculate a forcing line and account for genuinely different defensive branches.

60 min · 6 puzzle exercises · Before this: C083

Reconstruct a calculated future position and identify its checks, captures and material balance.

60 min · 6 puzzle exercises · Before this: C084

Identify a decision that requires deeper calculation and justify the time spent.

60 min · 6 puzzle exercises · Before this: C085

Test the selected move against the opponent’s strongest resource before committing.

60 min · 6 puzzle exercises · Before this: C086

Solve mixed calculation tasks while recording branches and final evaluations accurately.

60 min · 6 puzzle exercises · Before this: C087

Choose an attacking or defensive candidate and justify its line without a motif label.

60 min · 6 puzzle exercises · Before this: C088

Use an isolated central pawn dynamically and compare the timing of a break with a piece move.

60 min · 6 puzzle exercises · Before this: C089

Build a secure blockade and exchange the opponent’s active pieces without conceding tactics.

60 min · 6 puzzle exercises · Before this: C090

Evaluate whether a hanging-pawn advance creates activity or lasting weaknesses.

60 min · 6 puzzle exercises · Before this: C091

Plan a minority attack and evaluate the weakness it creates against counterplay.

60 min · 6 puzzle exercises · Before this: C092

Use extra space to improve pieces while anticipating the opponent’s freeing break.

60 min · 6 puzzle exercises · Before this: C093

Choose a piece route or pawn break suited to the position’s actual lines.

60 min · 6 puzzle exercises · Before this: C094

Choose a plan from an unlabelled structure and revise it against counterplay.

60 min · 6 puzzle exercises · Before this: C095

Demonstrate attacking, calculation and structural planning skills on unseen positions.

60 min · 0 puzzle exercises · Before this: C096

Choose king activity, bishop placement and pawn advances appropriate to a bishop ending.

60 min · 6 puzzle exercises · Before this: C097

Evaluate a blockade and distinguish a drawable ending from an attack or passed-pawn win.

60 min · 6 puzzle exercises · Before this: C098

Calculate king activity, pawn races and knight checks before choosing an exchange.

60 min · 6 puzzle exercises · Before this: C099

Choose an endgame plan based on pawn mobility, piece access and king activity.

60 min · 6 puzzle exercises · Before this: C100

Calculate whether the queen can stop promotion and bring the king closer safely.

60 min · 6 puzzle exercises · Before this: C101

Select conversion or defence in an unlabelled minor-piece or queen ending.

60 min · 6 puzzle exercises · Before this: C102

Budget thinking time and record a replayable game under a stated practice time control.

60 min · 6 puzzle exercises · Before this: C103

Use a repeatable preparation and recovery routine while making a concrete chess decision.

60 min · 6 puzzle exercises · Before this: C104

Apply touch-move, clock and recording procedures in realistic practice scenarios.

60 min · 6 puzzle exercises · Before this: C105

Identify a critical decision in a recorded game and support a repair with variations.

60 min · 6 puzzle exercises · Before this: C106

Complete a practice round with the announced clock, notation and conduct procedures.

60 min · 5 puzzle exercises · Before this: C107

Extend a repertoire page and explain the position after an opponent deviation.

60 min · 6 puzzle exercises · Before this: C108

Identify the structure produced by an opening and choose a justified middlegame plan.

60 min · 6 puzzle exercises · Before this: C109

Prepare for a recurring opponent idea and reject an unsound trap with calculation.

60 min · 6 puzzle exercises · Before this: C110

Explain where a model opening becomes an independent plan and test one alternative.

60 min · 6 puzzle exercises · Before this: C111

Combine competition habits, calculation and endgame decisions in practical play.

60 min · 6 puzzle exercises · Before this: C112

Demonstrate calculation, defence, endgame decisions and competition procedures independently.

60 min · 0 puzzle exercises · Before this: C113

Compare positional imbalances and explain which one should guide the next decision.

60 min · 6 puzzle exercises · Before this: C114

Choose whether to use a temporary advantage now or convert it into a lasting one.

60 min · 6 puzzle exercises · Before this: C115

Prevent a concrete opponent plan while preserving your own useful chances.

60 min · 6 puzzle exercises · Before this: C116

Find a useful piece route in a locked structure and verify the opponent’s breaks.

60 min · 6 puzzle exercises · Before this: C117

Create or use a second target while accounting for the time needed to switch play.

60 min · 6 puzzle exercises · Before this: C118

Compare two strategic plans and support a choice with concrete resistance and a revised evaluation.

60 min · 6 puzzle exercises · Before this: C119

Evaluate rook activity, king access and checking distance in a complex ending.

60 min · 6 puzzle exercises · Before this: C120

Coordinate king, pawns and minor piece to create accessible targets in an ending.

60 min · 6 puzzle exercises · Before this: C121

Calculate a queen-ending plan including checks, king exposure and promotion threats.

60 min · 6 puzzle exercises · Before this: C122

Test a defensive setup against the stronger side’s entry routes and breaks.

60 min · 6 puzzle exercises · Before this: C123

Convert and defend advanced endings while explaining the key decision and its alternatives.

60 min · 6 puzzle exercises · Before this: C124

Choose a practical endgame continuation with a verified result and realistic time use.

60 min · 6 puzzle exercises · Before this: C125

Annotate a real game before engine use and identify an actionable cause of an error.

60 min · 6 puzzle exercises · Before this: C126

Identify important decision points using variations and explain what changed in the position.

60 min · 6 puzzle exercises · Before this: C127

Compare independent analysis with engine variations and explain disagreement or instability.

60 min · 6 puzzle exercises · Before this: C128

Produce annotations whose evaluations and alternatives can be checked on the board.

60 min · 6 puzzle exercises · Before this: C129

Compare competing analytical ideas and resolve a disagreement using legal variations.

60 min · 6 puzzle exercises · Before this: C130

Use several analysed games to choose a specific training task and a way to measure progress.

60 min · 6 puzzle exercises · Before this: C131

Evaluate, calculate and annotate unseen material with independent reasoning and honest uncertainty.

60 min · 0 puzzle exercises · Before this: C132

Compare a speculative sacrifice with a sound alternative and identify concrete compensation and risk.

60 min · 6 puzzle exercises · Before this: C133

Explain a creative tactical mechanism and verify its line against defensive alternatives.

60 min · 6 puzzle exercises · Before this: C134

Use intuition to generate candidates and choose where calculation is necessary.

60 min · 6 puzzle exercises · Before this: C135

Compare a sound ambitious move with a safer continuation using objective and practical consequences.

60 min · 6 puzzle exercises · Before this: C136

Find an unusual resource and test whether it survives accurate defence.

60 min · 6 puzzle exercises · Before this: C137

Choose between preparing an attack and committing material based on the actual position.

60 min · 6 puzzle exercises · Before this: C138

Choose a quiet improvement with a target and verify that it answers tactical demands.

60 min · 6 puzzle exercises · Before this: C139

Switch between attack, defence and positional improvement as the board requires.

60 min · 6 puzzle exercises · Before this: C140

Describe playing preferences from actual decisions and choose one complementary skill to train.

60 min · 6 puzzle exercises · Before this: C141

Explain a model game’s plans and compare them with your own plausible candidates.

60 min · 6 puzzle exercises · Before this: C142

Use a stated tournament situation to choose a practical objective without ignoring the board.

60 min · 6 puzzle exercises · Before this: C143

Choose a manageable continuation under a stated clock while preserving tactical soundness.

60 min · 6 puzzle exercises · Before this: C144

Create a concise preparation page with typical plans, alternatives and checked critical positions.

60 min · 6 puzzle exercises · Before this: C145

Choose a training method matched to evidence from several games and set a review point.

60 min · 6 puzzle exercises · Before this: C146

Present a personal game with justified decisions, alternatives and an honest error.

60 min · 6 puzzle exercises · Before this: C147

Choose and justify the right method across tactics, strategy, endgames and practical situations.

60 min · 6 puzzle exercises · Before this: C148

Demonstrate independent analysis and practical play, then produce a justified next training plan.

60 min · 0 puzzle exercises · Before this: C149