strategy · recognise → explain → apply

Space: turn room into useful choices

Use manoeuvring room while respecting the opponent's freeing breaks.

Explanation styleChoose any style. Age is not playing strength; no birth date is needed.

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Notes and replay positions are saved. Practice games are temporary; export their PGN to keep them.

Choose an example

Anatoly Karpov – Wolfgang Unzicker

Nice Olympiad Final-A · 1974.06.18 · 1-0

12... Nc6 · White to move

Jump to move

What to notice at 12... Nc6

After d5, White gradually coordinates on both wings; the central space is a platform, not a one-move attack.

A legally replayed historical example, not a claim that every move is best. A game’s result does not prove every defensive position was lost or drawn.

Game source ↗

Your thinking first

Name the signal, choose a plan, and test the opponent’s most challenging response.

What do you notice?What is your plan, and why?How could the opponent resist?

Recall and explain

1. Why might the cramped side welcome exchanges?

Explain it in your own words before revealing.

2. Does more space mean an immediate king attack?

Explain it in your own words before revealing.

3. What should you check before extending the pawn front?

Explain it in your own words before revealing.

Make it memorable

Room, routes, restraint.

Teach this to a friend in one minute. Then return to a different example and look for the same signal without being told its name.

Reflect and revisit

This is your self-assessment, not an engine grade or a promise of mastery.

Connect the ideas

Sources and further reading

Original LumaChess teaching and game analysis. Topic references are credited below; no affiliation or endorsement is implied.

strategy · recognise → explain → apply

Space: turn room into useful choices

Use manoeuvring room while respecting the opponent's freeing breaks.

Explanation styleChoose any style. Age is not playing strength; no birth date is needed.

Loading progress…

Notes and replay positions are saved. Practice games are temporary; export their PGN to keep them.

Choose an example

Anatoly Karpov – Wolfgang Unzicker

Nice Olympiad Final-A · 1974.06.18 · 1-0

12... Nc6 · White to move

Jump to move

What to notice at 12... Nc6

After d5, White gradually coordinates on both wings; the central space is a platform, not a one-move attack.

A legally replayed historical example, not a claim that every move is best. A game’s result does not prove every defensive position was lost or drawn.

Game source ↗

Your thinking first

Name the signal, choose a plan, and test the opponent’s most challenging response.

What do you notice?What is your plan, and why?How could the opponent resist?

Recall and explain

1. Why might the cramped side welcome exchanges?

Explain it in your own words before revealing.

2. Does more space mean an immediate king attack?

Explain it in your own words before revealing.

3. What should you check before extending the pawn front?

Explain it in your own words before revealing.

Make it memorable

Room, routes, restraint.

Teach this to a friend in one minute. Then return to a different example and look for the same signal without being told its name.

Reflect and revisit

This is your self-assessment, not an engine grade or a promise of mastery.

Connect the ideas

Sources and further reading

Original LumaChess teaching and game analysis. Topic references are credited below; no affiliation or endorsement is implied.