Features | Masterboard

Game Library & Import

Import from PGN files — single game, multi-game files, or entire folders
One-click import from chess.com and lichess by username, date range, and time control
Record over-the-board games directly in a distraction-free entry mode
Duplicate detection on every import — the same game is never stored twice
Folder hierarchy and cross-cutting collections for flexible organisation
Bulk select, delete, and move games across folders
Sort and filter by player, result, date, ECO code, time control, or source

Stockfish 17 bundled — immediate analysis with no setup
Any UCI-compatible engine supported: Leela Chess Zero, Komodo Dragon, and others
Real-time evaluation: centipawn score, Win/Draw/Loss bar, depth, and time
Multi-PV mode: view up to 5 candidate lines simultaneously
Click any principal variation to navigate to that position on the board
Configurable hash size and thread count per engine
"Analyse game" mode: automated batch annotation with inaccuracies, mistakes, and blunders

Create separate repertoires for White and Black openings
Visual variation tree: navigate, add, and delete lines with direct manipulation
PGN import as the primary building workflow — import an entire repertoire in one step
Right-click any move for text comments, NAG symbols, and branch deletion
ECO classification live as you step through moves, with transposition awareness
ECO auto-tagged on every imported game at import time
Click any move in the Explorer panel to add it directly to the repertoire as an opponent response

Import any large OTB PGN collection as a local position index (Lumbra's Gigabase recommended)
Background import with a live progress bar — no app restart required
For any position: move popularity, W/D/L%, and average Elo from master games
All/OTB/Online source toggle — filter move statistics to over-the-board or online games
Compact sidecar database — separate from your personal games for clean removal
Select one or more PGN files via the standard OS file picker — not tied to a specific data source

Mosaic panel layout: drag, resize, and hide panels to match your workflow
Board colour themes: Brown, Blue, Green, Purple
App accent palettes: Walnut, Slate, Forest, Navy, Burgundy
Dark and light mode with system preference detection
Connect chess.com and lichess accounts for quick import without re-typing usernames
"Your name" field for automatic personal game detection across all stats features

Spaced repetition opening drills powered by the FSRS algorithm — each move builds its own stability and difficulty profile over time
Auto-play opponent moves; enter your response; immediate correct/incorrect feedback
Drill scope: all repertoires, White only, Black only, a specific repertoire, or any branch within a repertoire
Annotations from your repertoire — comments and NAG symbols — shown in the feedback strip after each answer
"Review All" mode: walk the full repertoire linearly, ignoring due dates — for pre-tournament preparation
Session summary on completion: moves reviewed, success rate, and new cards added to your schedule
Coverage heatmap: colour-coded recall probability for every move in the repertoire tree
Endgame training with Syzygy tablebases — coming soon

W/D/L breakdown by colour, time control, and opening — know your actual results at a glance
Accuracy trend chart: 5-game rolling average shows whether you are improving over time
Blunder position gallery: FEN thumbnails of your most common error positions, click to explore
Blunder heatmap: board visualisation 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
All accuracy and blunder figures sourced from batch-analysed games

Search any opponent by name — autocomplete from your game library
Colour-by-colour W/D/L and opening tendency breakdown with ECO labels
Strongest lines tier: most frequent and most successful opening systems ranked by result rate
Deviations tier: exact positions where the opponent went off their own established book
Export the full report as PGN for offline study in ChessBase, Scid, or any chess tool
Batch-analyse all games against an opponent in one click from the report page

Puzzles automatically extracted from your own games — the exact positions where you blundered
FSRS spaced repetition scheduling: positions you miss return sooner; ones you master are spaced out
10-puzzle sessions with immediate correct/incorrect feedback and solution display
End-of-session summary: solved rate, new puzzles added to schedule, due count for tomorrow
Puzzle pool grows automatically each time you batch-analyse more games
Requires batch analysis — positions are sourced from blunders and mistakes flagged by the engine

Coming soon

Import or record any game (OTB, chess.com, lichess) — the loop works for all of them
One-click engine analysis: blunders and inaccuracies are flagged automatically
Opening deviation detection: shows the exact move where you left your prepared repertoire
Add the opponent's unexpected move directly into your repertoire from the game review
Newly added lines are automatically queued for tomorrow's spaced repetition session
Tactical mistakes from the game are added to your personal puzzle set