Day 01 · Week 01
Tactics vs Strategy
When to follow a plan, and when to stop and calculate
The master-game board is the Opera Game, Paris 1858. The exercises ask for the move before the line is shown.
The scan found two checks. Which one ends the game?
LESSON · difficulty 3 · mixed/priority · 0s · attempts 0 · hints 0
Qxf7 is checkmate. Qxe5+ is also a check, and it is not mate. The first forcing move is not the best move.
Why this lesson exists
Most avoidable losses come from one habit: making a reasonable-looking move in a position that required a concrete calculation. Today you learn to tell those two situations apart.
By the end you will be able to
You know how the pieces move and what check and checkmate are.
Eleven stages. You will be asked to decide before anything is revealed — that is the point. Nothing here is a video you watch passively.
Tactics and strategy are different questions
Both matter. The skill is knowing which one the position in front of you is asking for — and the scan is how you find out.
A tactic is a short, forcing sequence that changes the position now. It wins material, forces mate, or creates a threat the opponent cannot answer. Tactics are not judged — they are calculated, move by move, to the end of the line.
Strategy is the slow improvement of your position: safer king, better squares for your pieces, a healthier pawn structure, more space. Strategy answers the question "what should I aim for?" when nothing forcing exists.
Run the scan before you choose
Before choosing a move, run the same three-part scan every time. It takes seconds and it is the difference between a plan and a blunder.
Qxf7 and Qxe5 are both checks. One of them is mate, so the search stops there.
Qxf7 and Qxe5 capture material. Every capture changes the evaluation instantly.
The bishop on c4 and the queen on h5 both aim at f7 — two attackers, one defender.
Black's e5 pawn and f7 pawn are the loose points. Loose material is where tactics live.
Stop and think
Axiora Chess Coach
Before you look for your move: what changed when Black played Nf6?
Calculation drill
This is the habit the whole course is built on: name the line before you trust it.
Do not move the pieces. Name your candidate move, Black's only reply, and your finish.
If you cannot name all three, you have not calculated — you have guessed.
What the scan found
One board cannot explain a forcing idea. Step through the move and see exactly why Black has no reply.
Why did the developing move lose here, when it is normally correct? Because principles describe positions that are not forcing. The moment a check, capture or threat can end the game, general advice stops applying and only calculation counts.
This is the whole lesson in one sentence: strategy chooses the plan, tactics interrupt it.
Master game
One historical game, chosen because it demonstrates today's concept — not because it is famous.
Can you find the master move?
White to move. What was played?
PUZZLE · difficulty 5 · game/real_game · 0s · attempts 0 · hints 0
Morphy spends the whole game on strategy — fast development and control of the open d-file — and then switches to pure calculation the moment the black king is trapped. It is the clearest historical example of the lesson.
White to move. What would you play?
Three exercises
One position per level. Commit to a move before you open a hint — a solved position with two hints is a different result from one solved cold.
Exercise 01
White to move. What ends the game immediately?
PUZZLE · difficulty 2 · check/mate · 0s · attempts 0 · hints 0
White to move. What ends the game immediately?
Exercise 02
White to move. Find the check that wins Black's queen.
PUZZLE · difficulty 2 · threat/fork · 0s · attempts 0 · hints 0
White to move. Find the check that wins Black's queen.
Exercise 03
White to move. One candidate forces mate in two. Which one?
PUZZLE · difficulty 4 · mixed/calculation · 0s · attempts 0 · hints 0
White to move. One candidate forces mate in two. Which one, and why do the others fail?
Defend the position
You are in check. What is the defensive capture?
PUZZLE · difficulty 2 · mixed/defense · 0s · attempts 0 · hints 0
Tactics are not only something you do. Half of practical strength is noticing the threat aimed at you.
Your opponent just played a move with a threat. Before you develop anything: what are they actually threatening?
Play it
Play one or two games after this lesson. Before every move, run the scan out loud in your head.
After the game, write down one moment where you moved without scanning. That note is your next training target.