Features | Masterboard

Game Library & Import

Import from PGN files — single games, multi-game files, or entire folders
One-click import from chess.com and Lichess by username, date range, and time control
Automatic background sync — new chess.com and Lichess games import on their own, filtered and filed where you want them
Import any public Lichess Study directly into an opening repertoire
Record over-the-board games directly in the app
Duplicate detection on every import — the same game is never stored twice
Organise with folders and cross-cutting collections
Bulk select, move, and delete games
Filter by player, result, date, ECO code, time control, or source

One-click Stockfish download — set up in seconds from Settings, with the right CPU build chosen automatically
Download Leela Chess Zero, or human-style Maia networks (1100–1900) to see how a player of a given level would respond
Any UCI-compatible engine supported: Komodo Dragon, Stockfish variants, and others
Real-time evaluation with centipawn score, an evaluation bar beside the board, search depth, and time
Multi-PV mode: view up to 5 candidate lines simultaneously, with best-move arrows on the board
Click any candidate line to jump to that position on the board
Configurable hash size and thread count per engine
Automated game analysis classifies every move as an inaccuracy, mistake, or blunder
Run two engines simultaneously for side-by-side comparisons on the same position

Download a ready-made master database directly in the app — no hunting down or building multi-gigabyte PGN files yourself
Choose a collection to match your disk: Masters (both players 2200+), Elite (2400+), or the Full OTB database of over ten million games
In-app delta updates keep it current, downloading only what changed and verifying every update
Move popularity, W/D/L%, and average Elo from master games at any position
Or index your own large PGN collection for personal-game statistics alongside it

Opening drills powered by FSRS spaced repetition — your schedule adapts based on how well you know each move
The app plays opponent moves automatically; your responses are scored immediately
Drill your full repertoire, a single colour, or any branch
Comments and symbols from your repertoire shown after each answer
Review mode walks the full repertoire regardless of schedule — ideal before a tournament
Session summary with moves reviewed, success rate, and cards due next time
Coverage heatmap showing recall probability for every move in the tree

Play through any saved game as one side and try to match the moves
Scored against the engine — the best move earns full marks even when it differs from what was played
A separate Elo-style rating tracks your guessing strength and improves across sessions
Works on any game in your library: your own games, master games, or study material

W/D/L results broken down by colour, time control, and opening
Accuracy trend chart to track improvement over time
Gallery of your most common error positions to study and revisit
Blunder heatmap showing which squares appear most in your mistakes
Luck rate and opportunism rate: how often opponents gift you wins, and how often you convert them
Filter all figures by folder, collection, or date range

Puzzles automatically extracted from your own games — the exact positions where you blundered
FSRS scheduling: missed positions return sooner, mastered ones are spaced out
Each puzzle links back to the game it came from, with adjustable strictness for what counts as correct
End-of-session summary with your solve rate, plus a full drill history
Puzzle pool grows automatically as you analyse more games

Import or record any game — OTB, chess.com, Lichess, or PGN
One-click engine analysis flags blunders and inaccuracies automatically
Opening deviation detection shows exactly where you left your prepared repertoire
Add the opponent's unexpected move to your repertoire — it's due in the next drill session
Tactical mistakes from the game are added to your personal puzzle pool