Concept

Theoretical position

You might say: known endgame position, table position

A theoretical position is a reduced-material arrangement whose result or method is known from endgame theory, such as a king-and-pawn key-square position, a basic rook ending, or a standard mating finish. It is a pattern to verify and understand, not a shortcut around legal calculation.

What it does

Supplies a tested reference point for deciding whether to simplify, seek a win, hold a draw, or calculate a race exactly.

Ask

Does this position match a known win, draw, or loss, and what is the human plan behind the verdict?

Trouble

A remembered rule is applied to a changed move order, pawn file, king square, or 50-move context.

What to look for

1. Reduced-material arrangement
2. King-and-pawn key-square position
3. Basic rook ending
4. Standard mating finish

Pattern

Pattern chunking

Connections

• Measured by: Tablebase
• See also: Passed pawn
• See also: Opposition

Sources

1. Daniel Rensch, Chess Endgames: 10 Principles for Beginners, Rule #9What if you realized that in the majority of the endgames you play, the result is likely already decided or forced if the best moves are played by both sides?
2. Daniel Rensch, Chess Endgames: 10 Principles for Beginners, Rulethe endgame requires more knowledge of specific positions and patterns.

Use it on your project

teardown-apply: hold "Theoretical position" (theoretical-position) from the teardown at https://teardownatlas.com/chess/ against my project

Paste it into a coding agent that has the teardown skills.

An AI agent wrote this map with the teardown skill. It can contain errors: check the sources before you rely on a part. About and legal