In-app bug reports and Chess960 engine compatibility
Report a bug from Help or the startup screen, and find engines that support Chess960.
Read entryRelease history
Changelog
A curated history of player-visible improvements to Ironwood Chess.
Resizable workspace, direct imports, and faster Lichess profiles
Resize the board divider, import from Saved Games, and reuse Lichess data with sections that load when opened.
Read entryImport history, Chess.com timings, and collapsible analysis controls
Reuse recent import usernames, calculate Chess.com move durations, and give analysis details more room on smaller screens.
Read entryLibrary consoles, batch analysis, and training progress
Search saved games with a compact console, analyze selected games in two passes, and follow training progress by phase.
Read entryLichess studies and prediction hints
Study chapters in one workspace, compare live PV moves on the board, and keep saved alternatives visible with blue ghosts.
Read entryAnalysis tabs and time-use review
Dedicated critical-analysis and timing views, compact Companion help, and safer saved-game separation.
Read entryCompanion 0.1.6: server-side archive backups
Configure a backup folder on each Companion and back up large archives without downloading them into the browser.
Read entryCompanion 0.1.8: corrected Windows update restart
Fix the updater executable-name handoff and publish a corrected Windows package.
Read entryCompanion 0.1.7 for Windows
Public Windows release with sign-in startup, server-side backups, and unified archive collections.
Read entryCollections in Saved Games
Manage collections for Browser and named Companions in the same Saved Games window.
Read entryDirect play menus, clearer game setup, and an updated gallery
Simplified navigation, installed-engine selection, stable move navigation, unified storage tools, and new screenshots.
Read entryMove timings in PGN
Record time spent and time remaining per move, and preserve imported PGN timings.
Read entryAccuracy comparison charts and Companion startup settings
Compare accuracy and CPL for both players and each game phase, plus optional Windows sign-in startup in Companion 0.1.5 development builds.
Read entryStudy tabs, annotations, and faster analysis comparison
Dedicated Position, Explore, Tactical, and Annotations tabs, complete NAG preservation, saved-analysis shortcuts, and cached engine discovery.
Read entryWindows Companion, desktop engines, and local archives
Ironwood Companion 0.1.4 is available for Windows, with desktop engines, named archive locations, compressed imports, and verified updates.
Read entryLibrary cleanup, responsive panels, and safer imports
Find short games, clear library filters, fit the board to your window, maximize training profiles, and import PGN and ZIP collections with stronger safeguards.
Read entrySaved Games search, ZIP imports, playback, and engine delivery security
Import zipped PGN collections, search library filters, replay moves with adjustable autoplay, and secure engine asset delivery.
Read entryTabbed workspace, analysis budgets, and training setup
Keep the board beside tabbed study tools, choose analysis time budgets and verification, and set a training profile’s starting strength.
Read entryFICS workspace, lobby pop-outs, and window controls
Use the expanded FICS workspace, pop out the Lichess lobby and appearance tools, and arrange resizable study windows.
Read entryExpanded analysis, profile pop-outs, and refreshed guides
Review captures and annotations on the expanded graph, move player profiles to another monitor, and use the refreshed Help center.
Read entryPlayer profiles and engine prediction boards
Compare Lichess profiles and engine lines, preview recent games, and keep the games you choose to save.
Read entryA consistent study workspace and independent account access
Sunken tool panels, responsive study layouts, clearer notes, and Lichess account access alongside FICS.
Read entryBoard controls and focused practice
Drag moves, wheel navigation, capture feedback, 3D tactical overlays, and phase puzzles from training recommendations.
Read entryFaster startup and 3D updates
On-demand theme artwork, a 2D-first chooser, deferred startup work, and smaller 3D updates for selection, moves, and game review.
Read entryOptional statistics and clearer engine help
Optional usage statistics, expanded engine settings guidance, and easier deferred updates.
Read entrySyzygy endgames and Hybrid Marble
Explore tablebase continuations with hover arrows, DTZ/DTM badges, and a branching tree; customize a flat board with 3D pieces and textured squares.
Read entryDrawing tools, tactical counts, and background settings
Ghost pieces, new drawing shapes, Attack vs Defense bubbles, printed annotations, and a dedicated background settings window.
Read entryFocus mode, theme adjustments, and player statistics
Board focus mode, personal opening history, online account statistics, and individually customizable 2D and 3D themes.
Read entryLichess play and correspondence
Lichess account play, a redesigned lobby and computer setup, game chat, and correspondence switching that preserves local study.
Read entryPositional insights and a new analysis workspace
Pawn Structure, Piece Mobility, King Safety, Opening Explorer, Chess.com imports, improved filters, and a redesigned analysis layout.
Read entryFloating study tools and game-phase highlights
Tactical Map, floating Notes and drawing tools, editable drawings with undo, and phase highlights on the expanded graph.
Read entryTraining profiles, keyboard moves, and preview playback
Adaptive Stockfish training with per-color Elo, typed move entry, and move playback in Saved Games previews.
Read entryImport games from handwritten scoresheets
Manual scoresheet entry with live validation, board preview, reference photos, and saved drafts.
Read entryNotes beside the board and personal annotations
Visible Starting notes, manual annotation symbols, colored board drawings, and dedicated help guides.
Read entryLichess imports, board rotation, and graph navigation
Import completed Lichess games, rotate the 3D board, and inspect move details beside the pointer in the expanded analysis graph.
Read entry3D boards, analysis tools, and help
Five 3D themes, soft under-board lighting, analysis tools, and a searchable help center with plain-language guides.
Read entryFICS sign-in and menu fixes
More reliable FICS sign-in and challenges, clearer connection feedback, and in-place game-list refreshes.
Read entryGame review and saved-library improvements
Move notes, a full-screen analysis graph, board-image copying, and multi-game library actions.
Read entryOnline play, live games, and position tools
FICS play and chat, ten simultaneous observation boards, Chess960, and positions from screenshots.
Read entrySaved games, storage tools, and clearer play
A persistent game library, portable backups, global display preferences, and safer installed-app updates.
Read entryAnalysis workspace and portable reports
Full-game review, lossless analysis files, annotated PGN, and printable critical-position reports.
Read entryInitial public build
The first public foundation for private, full-NNUE browser chess.
Read entry