Key Concepts
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This page introduces the core ideas behind how the Repertoire Builder is designed and how to use it most effectively. The platform favors a modular, line-based approach: study one variation deeply, keep things focused and compact, and let targeted tools (trainers, puzzles, analytics) do their best work.
Repertoire
A Repertoire is the core unit of the platform. It’s flexible — you can create repertoires for White or Black — but the recommended approach is to make each repertoire a single variation or line (rather than an entire colour). This keeps study focused and makes training, puzzles, and analytics precise and useful. Smaller, well-scoped repertoires are easier to maintain, faster to review, and simpler to improve over time.
- + Targeted learning — trainers and puzzles concentrate on one idea, pattern, and move order.
- + Manageable scope — modular repertoires are simpler to organise, update, and expand.
Cross-repertoire insight. Cards such as Repertoire Match compare positions and lines across repertoires, helping you spot overlaps, shared structures, and transpositions.
Library
The Library is your workspace for importing games and creating focused analyses. You can bring in PGNs (or games from supported services like Lichess/Chess.com) or start a fresh analysis from any position. Analytics cards (evaluations, references, structure) help you study critical moments, alternatives, and typical plans.
A key idea here is the feedback loop between your Repertoires and your real games: use your repertoires to review what happened, see where play matched or deviated from your prep, annotate with the intended lines and ideas, then merge the improvements back into the relevant repertoires.
This section helps you to:
- + Study your games against your existing repertoires — confirm where you followed prep and pinpoint exact deviations.
- + Annotate with repertoire context (intended plans, critical moves, transpositions) using analytics cards for clarity.
- + Merge polished lines back into your Repertoires to keep your preparation up to date.
Typical workflow. Import a game → compare moves to your repertoire (match/deviation highlights) → annotate the critical points with engine checks and references → decide what to keep/change → use Merge to Repertoire to update the exact line(s). Repeat after future games to maintain a tight preparation–practice feedback loop.
Reinforced Learning
Beyond building and reviewing lines, the platform includes hands-on ways to strengthen what you’ve learned. These modes turn your preparation into durable skill through repetition, recall, and practical play — reinforcing your repertoires from multiple angles.
- + Trainers — A suite of focused drills (e.g., Position Trainer, Repertoire Trainer, Spaced Trainer, and more) designed to help you rehearse move orders, key ideas, and transpositions. The aim is simple: deliberate practice that makes your lines automatic.
- + Puzzles — Varied, game-like challenges that interact directly with your repertoires. They offer different ways to test recall, visualize positions, and focus on critical moments — keeping training fresh while targeting the same core knowledge.
- + Practice — Play through important positions from your repertoires to explore continuations, build comfort, and discover new ideas. This is practical rehearsal that complements the Repertoire ⇄ Library feedback loop with on-board experience.
Goal: combine targeted drills, playful testing, and practical rehearsal so your preparation moves from “learned” to “ready to use.”