Changelog

R4 — shared links

• Clubs get shared links for pairings, studies, and resources
• Coach+ create/delete API; members can list links
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — club polls

• Clubs get shared polls with multi-option member voting
• Coach+ create/delete; members cast one vote per poll
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — fixture RSVPs

• Clubs get fixture availability RSVPs (available / unavailable / maybe)
• Members upsert their own RSVP; coach+ can clear any
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — club announcements

• Clubs get shared announcements (title, body, optional pin)
• Coach+ create/delete API; members can list pinned-first
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared practice sessions

• Clubs get shared practice sessions (title, start time, location, focus, optional notes/prep link)
• Coach+ create/delete API; members can list sessions
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared match reports

• Clubs get shared match reports (result, score, summary, optional fixture/prep link)
• Coach+ create/delete API; members can list reports
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared study library

• Clubs get a shared study library (link, PGN, or notes with optional prep link)
• Coach+ create/delete API; members can list resources
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared training plans

• Clubs get shared training plans (title, focus, goals, schedule, optional notes/prep link)
• Coach+ create/delete API; members can list plans
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared openings book

• Clubs get a shared openings book (name, ECO, moves, optional notes/prep link)
• Coach+ create/delete API; members can list repertoire lines
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — shared coaching notes

• Clubs get shared coaching notes with optional prep-room link
• Coach+ create/delete API; members can list notes
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — club season standings

• Clubs get shared season standings tables (P/W/D/L + half-point scoring)
• Coach+ create/delete API; members can list by season
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — club fixture calendar

• Clubs get a fixture calendar (date, opponent, location, optional prep-room link)
• Coach+ create/delete fixtures; members can list upcoming matches
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — prep homework assignments

• Club prep rooms support homework assignments with optional due date, share link, and member assignees
• Coach+ create/delete API; members can list assignments
• claimR3Complete remains false; Vercel promote still quota-parked

R4 — prep lineup / fixture roster

• Club prep rooms gain structured board lineup slots (fixture roster)
• Coach+ replace/clear lineup API; members can view board order
• Legacy lineupJson stays dual-written for compatibility; claimR3Complete remains false

R4 — prep evidence attach

• Club prep rooms attach owned Scout/Review share cards as team evidence
• Coach+ attach/detach API with member-visible evidence list
• R3 claimR3Complete remains false until legal enablement; production promote deferred on Vercel quota

R3 — Vercel install unblock

• Vercel installCommand uses NPM_CONFIG_PRODUCTION=false npm ci
• patch-package moved to dependencies so production postinstall can patch react-chessboard
• R4 remains not started until R3 is fully complete

R3 — Vercel db:deploy no-op

• db:deploy is a no-op on Vercel unless VERCEL_RUN_MIGRATE_ON_BUILD=1
• vercel.json buildCommand is plain npm run build
• R4 remains not started until R3 is fully complete

R3 — Vercel migrate skip-by-default

• Vercel production build skips in-build db:deploy by default
• Opt in with VERCEL_RUN_MIGRATE_ON_BUILD=1; otherwise run npm run db:deploy explicitly
• R4 remains not started until R3 is fully complete

R3 — production deploy recovery

• Vercel production build continues when stuck db:deploy times out
• Migrate URL uses a short Postgres connect_timeout
• R4 remains not started until R3 is fully complete

R3 — staff text-moderation event pagination

• Staff text-moderation events use before-cursor pagination with load-more UI
• Open flagged/blocked helper and staff GET share the cursor contract
• Vercel production migrate step times out instead of hanging deploys

R3 — staff profile-report pagination

• Staff profile-report queue uses before-cursor pagination with load-more UI
• Open-report helper and staff GET share the cursor contract
• Wrap gate covers staff profile-report pagination wiring

R3 — staff club-message report pagination

• Staff club-message report queue uses before-cursor pagination with load-more UI
• Open-report helper and staff GET share the cursor contract
• Wrap gate covers staff club-report pagination wiring

R3 — notification inbox pagination

• Profile notification inbox uses before-cursor pagination with load-more UI
• Cursor indexes for notification inbox and prep-room club lists
• Wrap gate covers notification inbox pagination wiring

R3 — notify fanout paging + cursor indexes

• Community notify recipient helpers page without hard 50/500 caps
• Member roster/fanout and channel list cursor indexes
• Wrap gate covers notify fanout paging + cursor indexes

R3 — active channel list pagination

• Active club channels use after-cursor pagination with load-more UI
• Club detail and channels API share the active cursor contract
• Wrap gate covers active-channel pagination wiring

R3 — my clubs list pagination

• My clubs/groups list uses after-cursor pagination with load-more UI
• Club dissolve notifies all active members without a hard 500-member cap
• Wrap gate covers my-clubs pagination wiring

R3 — archived channel list pagination

• Archived club channels use after-cursor pagination with load-more UI
• Club detail and channels API share the archived cursor contract
• Wrap gate covers archived-channel pagination wiring

R3 — staff verification queue pagination

• Staff verification queue uses after-cursor pagination with load-more UI
• Wrap gate covers staff verification pagination wiring

R3 — staff communities directory pagination

• Staff communities directory uses after-cursor pagination with load-more UI
• Wrap gate covers staff directory pagination wiring

R3 — staff join-attempt pagination

• Staff join-attempt audit uses after-cursor pagination with load-more UI
• Wrap gate covers staff join-attempt pagination wiring

R3 — prep-room list pagination

• Team prep-room lists use after-cursor pagination with load-more UI
• Club detail and prep-rooms API share the same cursor contract
• Wrap gate covers prep-room pagination wiring

R3 — pending join-request pagination

• Pending join-request queue uses pendingAfter-cursor pagination with load-more UI
• Wrap gate covers pending join-request pagination wiring

R3 — report + banned roster pagination

• Club open message-report queue uses before-cursor pagination with load-more UI
• Banned member roster uses bannedAfter-cursor pagination with load-more UI
• Wrap gate covers report and banned-roster pagination wiring

R3 — verification notices + member pagination

• Platform staff are notified when a club requests verification
• Club admins are notified when verification is approved or rejected
• Member moderation roster uses after-cursor pagination with load-more UI
• Wrap gate covers verification notices and member pagination wiring

R3 — message report + pin/unpin notifications

• Moderators are notified when a channel message is reported
• Authors and fellow moderators are notified on message pin/unpin
• Wrap gate covers report-filed and pin/unpin notification wiring

R3 — settings/policy/prep-update notifications

• Moderators are notified when club settings change
• Moderators are notified when channel posting policy changes
• Coaches+ are notified when a prep room is updated
• Wrap gate covers settings/policy/prep-update notification wiring

R3 — channel ops + invite-rotate notifications

• Moderators are notified when a channel is archived, restored, or renamed
• Authors are notified when a moderator deletes their channel message
• Other moderators are notified when an invite code is rotated
• Wrap gate covers channel/invite/message-delete notification wiring

R3 — join + channel-create notifications

• Moderators are notified when someone joins via open membership or invite
• Moderators are notified when a new channel is created
• Wrap gate covers join/channel notification wiring

R3 — club dissolve + prep-delete notices

• Owners can dissolve a club with slug confirmation
• Members are notified when a club is dissolved
• Coaches+ are notified when a prep room is deleted

R3 — leave + prep-create notifications

• Club moderators are notified when a member leaves
• Coaches and staff are notified when a prep room is created
• Wrap gate covers leave/prep notification wiring

R3 — club channel message pagination

• Channel history supports before-cursor pagination beyond the first page
• Club detail Load older messages control for long-running channels
• Wrap gate covers chat pagination helpers + UI

R3 — prep-room account export privacy parity

• Account export includes prep rooms you created
• Privacy notice documents prep-room export coverage
• Wrap gate pairs prep export with existing note/lineup scrub

R3 — prep-room lifecycle (matchDate + delete)

• Create and edit prep-room match dates, titles, and opponents in club detail
• Coach+ can delete obsolete prep rooms with audit
• Prep create notes length aligned with edit

R3 — moderation lifecycle notifications + channel policy UI

• Mute, unban, role-change, ownership-transfer, and report-outcome in-app notices
• Club admins configure channel minRole and replyPolicy from club detail
• Member role select and ownership transfer confirmation

R3 — club moderator message-report queue

• Club moderators can list open channel message reports for their club
• Resolve or dismiss reports from the club detail page
• Staff admin queue remains available for cross-club review

R3 — membership lifecycle in-app notifications

• Join-request notifies club moderators in-app
• Approve/reject join notifies the requester
• Ban notifies the removed member

R3 — club settings + channel ops completeness (settings, archive restore, pin)

• Club admins can update name, description, visibility, and membership mode
• Archived channels listed for admins with restore; rename supported
• Moderators can pin or unpin channel messages
• Create club form exposes description, visibility, and membership controls

R3 — club moderation ops completeness (unban, delete, archive, admin directory)

• Moderators can list banned members and unban
• Moderators can delete channel messages with audit trail
• Admins can archive channels; club lists hide archived channels
• Staff admin communities directory replaces stub card

R3 — community write-path hardening (chat/report/mute/prep)

• Rate limits on club chat posts and message reports
• Mute and staff report-resolve now write AdminAuditEvent rows
• Prep-room create/update gated with adult check, rate limits, and audits

R3 — community privacy export/deletion scrub + audit retention

• Account export includes club memberships, messages, reports, guardian links, owned invite codes
• Marketplace pseudonymise scrubs community messages/memberships/guardian links and clears owned invite codes
• 180-day community AdminAuditEvent retention; privacy notice aligned with shipped club gates

R3 — channel create UI + staff join-attempt ops

• Club admins can create channels from club detail
• Staff admin ops view of recent community.join.* audit events (invite prefix only)
• Ownership transfer already on main; wrap gates now cover channel create + join ops

R3 — guardian consent scaffold (flag-off) + club moderation completeness

• COMMUNITY_GUARDIAN_ENABLED default off; communityConsentedAt on parent/guardian links
• Under-18 join/post path coded but fail-closed until flag on; create stays adults-only
• Club leave, mute UI, ban, and set-role moderation controls

R3 — invite abuse controls, verification hardening, membership requests

• Join rate limits + audited join outcomes (invite prefix only, never full codes)
• Owner/admin invite reveal/rotate; verification request cooldown and staff audit
• Moderator approve/reject for pending club membership requests

R3 — community safety: adult join/post, staff report queue, chat retention

• Adult DOB gate on club create, join, and channel post until guardian consent ships
• Staff resolve/dismiss for CommunityMessageReport in admin moderation
• 180-day club chat retention + invite-safe open/private membership defaults

R2 Delivered — Share & Return wrap claim + R3 community safety start

• claimR2Complete aligns with R1 automated wrap (cohort volumes remain continuous residuals)
• Community message reports + adult-required club create age gate begin R3 safety
• ops:r3-wrap tracks minors/safety/privacy gates; claimR3Complete stays false until they pass

R2 completion — best synced game + durable share engagement cohorts

• Weekly best synced-game line from SyncedGame wins (no PGN auto-analysis)
• ShareEngagementEvent + /api/share/engagement for closed-cohort measurement
• ops:r2-cohort-eval; claimR2Complete only when real cohort thresholds are met

R2 / Release F — durable SyncedGame outcome store foundation

• SyncedGame table stores Lichess outcome metadata on incremental sync
• Settings + weekly report surface synced game counts (no best-game yet)
• No PGN blob, no auto-analysis, no Chess.com ownership sync

R2 production — Release F progress measurement + growth CTA variants

• Staff Weekly Improved Players + analyse-to-train + D1/D7 return KPIs
• Share recipient CTA A/B variants (sv=a|b) with admin byVariant
• Weekly report improvement-trend line from DNA

R2 production fix — training progress no longer wipes DNA/patterns

• Training progress PUT merges into existing trainingDataJson bag
• Preserves personalDna, recurringPatterns, SRS, and sibling keys for weekly insights

R2 dual tranche — Release F weekly insights + share-kind referral funnel

• Weekly report surfaces remaining weakness, highest-impact mistake pattern, prescribed next session
• Share funnel emits allowlisted sk kind events; staff admin shows byKind breakdown
• No invite codes; claimR2Complete stays false until closed-cohort evidence

R2 game-sync production enrollment — verify wires cursor + Settings last-checked

• Lichess verify enrolls ExternalGameSyncState; disconnect revokes it
• Settings Chess accounts shows owner last-checked from /api/account/game-sync
• OPS runbook documents daily game-sync cron and migration

R2 retention heartbeat — daily verified-Lichess new-game sync

• ExternalGameSyncState cursor + daily cron for verified Lichess only
• In-app new_games notices (baseline suppresses backlog; no push; no auto-analysis)
• Settings honesty + owner /api/account/game-sync status

R2 social feed/block IDOR matrix — hard separation on reads

• Blocked peers cannot load public profiles or comment lists (404 ≡ missing)
• Private relationship cold lookups indistinguishable; notification inbox filters blocks
• Profile reports no longer enumerate private usernames without an existing edge

R2 production promote hardening — checklist evidence + exact-promote gate

• ops:promote-checklist writes honest awaiting-promote / promote-verified evidence
• vercel:promote --require-checklist (or PROMOTE_REQUIRE_CHECKLIST) fail-closed gate
• Runbook honesty: production Vercel builds apply db:deploy via vercel-build

R2 retention heartbeat — in-app weekly report + follow privacy

• Settings → Your ChessTing week (owner-only privacy-safe aggregates)
• Weekly progress API independent of email digests / unread counts
• Follow GET/POST private profiles indistinguishable from missing

R2 social ownership audit + privacy-aware @username discovery

• Server-resolved owners for likes/comments (no client owner spoof)
• Author/target-owner social comment delete + private profile indistinguishability
• Privacy-gated ChessTing @username search and messaging lookup

R2 share volumes + DNA card export + analytics opt-out

• Admin Share & return funnel panel with honest rolling aggregates
• Chess DNA durable shares + PNG card download from Scout
• Settings product-analytics browser opt-out beyond Do Not Track

R2 retention surface — shares inventory, reports, weekly digest progress

• Settings → My shares list + revoke for durable share links
• Profile report + staff moderation queue resolve/dismiss
• Weekly email digest appends privacy-safe ChessTing progress lines

R2 production hardening — Holding Back shares + signup closers

• Verified-self What's Holding You Back durable shares (holding_back kind)
• signup_completed and share_recipient_signup_completed once per browser
• Native Web Share intent + launch-gate honesty restores

R2 Share & Return instrumentation opens

• share_created → share_opened → share_recipient_analysis_started funnel wired
• Attributed recipient CTAs (from=share&sk=) without PII in events
• Privacy-safe return_visit / day_1 / day_7 browser milestones
• ops:r2-wrap evidence; claimR2Complete stays false until cohort proof

R1 Core ChessTing automated wrap

• Provider health registry + live Chess.com/Lichess pulse
• Signed-in onboarding sync and Learn training funnel milestones
• ops:r1-wrap evidence with continuous residuals listed

Scout durable replay + navigation IA audit contracts

• Scout local durable snapshots replay completed jobs without reopening SSE
• Force refresh clears Scout durable results alongside analysis cache
• Navigation href collision + mobile Escape/focus audit contracts

Scout v1 create/status activation + versioned failure envelopes

• Scout create/status returns charged, reused, streamPath, and statusPath
• Same Scout identity reuses within TTL without a second charge
• v1 Review/Scout body and CSRF failures stay in the v1 error envelope

Review durable replay — same game, no second charge

• Stable Review content fingerprint for job reuse
• Local durable snapshot replay before re-analysis
• Missing-result requeue without a new usage reservation

Onboarding completion → first-action handoff on home Continue

• Mark onboarding complete when the user starts their first action
• Home Continue resumes the saved first job instead of re-prompting Get started
• Learn Due · From my games shows signed empty and unsigned states

R1 Core ChessTing era — Review → Train activation loop opens

• Major version into Core: R0 delivered; R1 activation is the product north star
• Review → From My Games → Learn due-card loop with contract tests
• Style Bot live-path fix and Scout/self prep UX carried from late 6.x
• Honest: R1 not fully Delivered; R0 residuals remain continuous

R1 Review → From My Games save visibility

• After Review, show Saved / Retry / Sign-in for From My Games SRS seeding
• Seed failure never undoes a successful Review; retry is idempotent by game fingerprint

Style Bot live play at real platform strength; Scout/self prep UX for R1

• Style Bot no longer forces the GM demo ~3200 profile onto live usernames
• Practice target from dominant time-class rating; skill 0 for ≤800; habits → openings → practice strength
• Self-analysis time-control filters; deeper opening tree with sideline + engine-line exploration
• Opponent game plan keeps Main warning; other sections use plain English labels

R0 trust-recovery wrap with live production Stockfish WASM agreement

• Concurrent live Stockfish golden agreement on the production WASM binary
• ops:r0-wrap records r0TrustRecoveryDelivered + claimR0Complete with continuous residuals listed
• Vercel catalogue CDN + Pages regen + browser pack + licensed corpus + controlled refund + helper golden in the wrap pack
• Continuous residuals: organic outage drill, marketing verified Elo report, nightly full lessons catalogue, load SLO

Licensed Lichess open-database human corpus sample for Style Bot

• Stratified CC0 Lichess standard-rated sample (1930 games) with licensed manifest + import path
• Human-corpus statusClaim licensed-present with elevate flag; product still measured — never verified Elo without the full benchmark report
• R0 still blocked on organic outage ops, hosted live Stockfish agreement, Pages CDN publish, and verified Elo report

Hosted golden analysis route reachable under machine auth

• Clerk middleware allowlists /api/admin/golden-analysis-agreement for Bearer secret probes
• R0 still blocked on licensed Elo corpus, organic outage ops, and full live Stockfish agreement under load

Exact-commit browser pack fixes, Pages catalogue regen, more bounded failure paths

• Pages pricing e2e and board-drag TouchBackend delay fix unblock the exact-commit browser pack
• ops:pages-catalogue-regen records exact-commit Pages rebuild + shipped puzzle evidence (CDN deploy still open)
• analyzePlayerAsync abort, Position Analyzer deepen Cancel, bounded Lichess puzzle same-origin fetches
• R0 still blocked on licensed Elo corpus, organic outage ops run, and hosted live Stockfish agreement

Scout browser Stockfish move-quality cancel and whole-scan deadlines

• runEngineScout accepts AbortSignal with a default 240s whole-scan deadline
• Engine Scout, overview move-quality, and rating move-quality UIs expose Cancel plus timeout copy
• R0 still open: Pages regen, organic usage ops, verified Elo, hosted live Stockfish agreement

Puzzle alternatives policy and bounded Review / job-client failure handling

• Live puzzles accept only the exact provider solution; shipped puzzles may list explicit alternative UCI moves
• Review whole-operation 180s deadline with REVIEW_TIMEOUT vs cancel, plus Stockfish AbortSignal reset
• Bounded same-origin fetch for Review job lifecycle API calls
• R0 still open: Pages regen, organic usage ops, verified Elo, hosted live Stockfish agreement

Golden analysis agreement, lesson scoring, browser pack and organic-ops readiness

• Numeric lesson scoring on Finish (max(0, 100 − wrong×10 − hints×5)) with local progress persistence
• Optional full 32-lesson Playwright catalogue suite alongside the default Opening/Middlegame/Endgame matrix
• Local golden analysis agreement runner for White scores, mate, branches, motifs and fallback language
• Review job create validates PGN and Chess.com/Lichess URL shape before quota reserve
• Organic outage refund ops checklist evidence schema (ops-pending until a live ops run)
• Exact-commit browser pack script for pages/board/puzzles/lessons evidence on HEAD SHA
• Style Bot human-corpus pilot schema present but missing licensed data — still never verified Elo

Exact-commit gates, controlled refund proof, lesson matrix and Autopsy cards

• Secret-gated Review engine-failure refund proof on the real job/reservation path, with unit coverage and skip-gated hosted Playwright
• Style Bot shows offline measured strength plus an independent engine-match proxy layer — still never verified Elo
• Lesson Playwright matrix covers Opening, Middlegame/Strategy and Endgame with reload resume
• Review Game Autopsy share cards create durable privacy-safe links when signed in
• Exact-commit launch gates fail CI when the R0 automated suite fails on HEAD SHA (--r0-only mode)

Trust gates, Scout/Review loops and honest share cards

• Review completion seeds From My Games training, recurring patterns and personal DNA from one successful analysis
• Scout opens on an evidence-first screen: what they do, what to expect, and three prep actions with sample size, confidence and freshness
• Durable Scout share links support revoke, expiry and Open Graph previews without dumping PGN or secrets into the URL
• Shipped offline puzzles are legality-gated end to end; illegal lines never reach Learn
• Style Bot strength is labelled from an offline measurement artifact (measured, never fake verified Elo)
• Interactive lessons resume after refresh and only Finish when required steps are actually done
• Invalid Review PGN is rejected before quota is reserved; fail/cancel/expire restores usage in unit-proven job paths

Verified identity & safe recovery

• Verified Lichess identities are protected against duplicate claims with database-backed uniqueness and a durable audit trail
• Blocked claims now keep a support request ID and open a clear recovery path instead of failing as a generic sign-in error
• Chess.com remains private and explicitly unverified until a genuine ownership-proof integration exists

First-use clarity, Review & activation

• ChessTing was reorganised around four clear jobs: analyse a game, understand your own patterns, prepare for an opponent, and train
• Completed Chess.com and Lichess links can flow directly into Review with finished-game checks, side selection, retry and PGN fallback
• Review now leads with one useful finding, shows the evidence behind it, then connects the exact position to targeted training
• Scout and Self Analysis surface source, freshness, sample coverage and confidence before deeper report detail
• Privacy-safe first-value measurement and stronger mobile recovery were added without sending raw chess or account data
• New-device password sign-in now continues correctly into Device Trust instead of behaving like a bad-password flow

Identity, privacy & launch hardening

• Verified Lichess identity, avatars, friend requests, blocking, friend-only messaging and feed privacy shipped as one trust wave
• CAPTCHA, Device Trust, MFA, profile provisioning and production database safeguards received a hardening pass
• Chess.com scouting became more resilient to provider failures while illustrative data stayed clearly labelled

Admin, messaging & marketplace safeguards

• Staff Admin tools shipped for account operations, entitlements, moderation, feature overrides and staff messages
• Unified Messages brought coach threads, supported direct conversations and admin support into one inbox
• Scout and Self Analysis were separated more clearly while board, mobile and production-route reliability improved
• Coach marketplace finance gained holds, refunds, disputes and settlement safeguards behind fail-closed launch gates

Social, coaching & internationalisation

• Training Feed, public profiles, posts, reactions, comments and notifications became a coherent training identity layer
• Coach lesson requests progressed into accepted-request private messaging
• EN/ES/PT foundations, regional pricing and stronger billing/ops monitoring were added
• All 32 guided lessons were rebuilt around guided → practice → game pedagogy

Evidence, responsive UX & community

• chessting.com became the canonical product domain with branded auth and support surfaces
• Analysis gained clearer sample, confidence, coverage and limitation states across major scouting surfaces
• Phone/tablet navigation, boards, touch targets and dialogs received a substantial responsive pass
• Coach verification, portfolios, vanity profiles and the product suggestion box expanded community features

Production readiness

• Atomic quotas, secured scouting, signed tournament packs, verified checkout and bounded writes were introduced
• Account export/delete, fair-use rules, retention cleanup and stronger release gates moved ChessTing toward hosted beta readiness

Live, social & community

• Live Arena launched and became part of the Scout → Review → training loop
• Public profiles, follow graph and Training Feed established the social training layer
• Forums, coach marketplace foundations, notifications, staff roles and moderation tools shipped
• Privacy, Terms, Cookies and Community Guidelines established the public trust baseline

Connected product & accounts

• The Scout → Review → prescription → drill loop became a deliberate end-to-end product flow
• Scout gained progressive streaming and partial dashboard updates
• Clerk authentication, Prisma profiles, entitlements, usage quotas and hosted account infrastructure shipped

Interactive boards & product polish

• Move-quality badges, PGN import and richer Review walkthroughs expanded post-game analysis
• Interactive boards became more fluid and browser-side analysis workflows grew
• Accessibility, loading states, Coach Workspace, Live, Position Analyzer and board guidance received a broad polish pass

Hosted product baseline & coaching depth

• Player Pro and Coach entitlement infrastructure plus Stripe subscription foundations established the hosted SaaS baseline
• Coach Workspace added custom drills, assignments, student goals and tournament-prep tooling
• BoardShell, engine lines, tournament exports and deeper Review UX expanded the analysis layer

Player understanding & preparation

• Self Analysis, archetypes and deeper Stockfish-backed evidence established the self-vs-opponent analysis split
• Live annotated games, puzzle providers, H2H compare and Engine Scout connected more analysis to practice
• Prep tools, training plans, FIDE search, report cards, Legends and watchlists broadened tournament preparation

Training, Review & static hosting

• Learn launched with bots, lessons and drills alongside tournament mode and Self Analysis
• Game Review, recurring-mistake views, heatmaps, Position Analyzer and move quiz formed the first serious post-game coaching experience
• Static deployment, engine-loading fixes and analysis caching made the early product easier to use and share

Foundation

• ChessTing began with the idea of turning public chess games into understandable analysis and practical preparation
• Chess.com and Lichess scouting, Style Bot, Study Mode, H2H, repertoire tools and Victory Plans established the first broad product shape
• Stockfish WASM, Blunder Gallery, trends, opening recommendations and scouting reports moved the product beyond simple game counts