defence · recognise → explain → apply

Close a dangerous diagonal with a central pawn

A bishop’s diagonal points through your position after major-piece exchanges.

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

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Karjakin,Sergey – Radjabov,T

2nd FIDE GP · 2008.08.14 · 0-1

22... e6 · White to move

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What to notice at 22... e6

Black consolidates after the exchange sacrifice and queen trade; the central pawn later participates in the conversion.

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. Which squares does ...e6 control?

Explain it in your own words before revealing.

Make it memorable

A pawn wall needs a foundation.

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.

Exeter Chess Club — Pawn mobility ↗