glossary

The terms used across the docs and the solving interface, in plain language.

answer-only

A problem with one final response, graded deterministically.

guided

A problem split into ordered steps, each with its own response and marks.

free-response

A problem where the student writes a complete solution, usually against a rubric.

response.kind

The input shape rendered for a student: multiple-choice, numeric, expression, or text.

grading.strategy

The server-side evaluation method: exact, numeric, equivalence, rubric-ai, or manual.

M / A / R

Method, Answer, and Reasoning marks used for guided steps and rubric items.

Elo

A rating that estimates a user or problem’s current competitive level.

re-attempt

A later submission for the same problem; the user K-factor is halved.

flagged

A grading result held for human review, with Elo deferred.

sanitized problem

The public problem payload with correct answers, grading specs, and solutions removed.