Synthesis log

Append-only log of every gap analysis artifact produced by the pipeline. Updated each time a new gap report or web supplement is generated.

Artifact index

Artifact ID	Kind	Title	Date	Tier	Sources cited
gap-20260824-001	whitepaper	Tennis Knowledge Gap Whitepaper	2026-08-24	all	18 books + web
gap-20260824-002	report	Tier 1 — Concrete high-value gaps	2026-08-24	T1	18 books + Kovacs/Ellenbecker + Paris 2024
gap-20260824-003	report	Tier 2 — Topic depth gaps	2026-08-24	T2	10 books + Talent Code web research
gap-20260824-004	report	Tier 3 — Niche and specialty gaps	2026-08-24	T3	5+
gap-20260824-005	research	Modern tennis research 2024–2026	2026-08-24	web	ITF, ATP, Wikipedia, peer-reviewed
gap-20260824-006	research	Web-research technical content	2026-08-24	web	Cross, Kovacs/Ellenbecker, Coyle
gap-20260824-007	research	Authoritative sources index	2026-08-24	web	ITF, ATP, Wikipedia, USPTA
gap-20260824-008	library	Tennis Books Library (inline PDF reader)	2026-08-24	library	34 books

Path: docs/whitepapers/tennis-knowledge-gap-2026-08-24.md
Confidence: 0.85
Sources cited: 18 books across 4 tier reports + 3 web-research supplements
Summary: Single headline artifact ranking all 20 gaps and pairing each one with the source books that justify adding it to the repo. Extended with Kovacs/Ellenbecker 8-stage data and Cross & Lindsey 2013 aerodynamics.

Path: docs/reports/tier-1-high-value-gaps.md
Confidence: 0.90
Tier: 1
Gaps covered: 11 (+ Kovacs/Ellenbecker as separate 1b entry)
Books cited: 18
Highest-priority extractions:
Rod Cross double-pendulum (millisecond serve timings) — extended with TWU model parameters
Kovacs/Ellenbecker 8-stage serve model — NEW entry with measured EMG, joint angles, timing
Mehta aerodynamics (CD = 0.55–0.65, fuzz contribution)
Cross kick-serve (sidespin-dominated, axis tilt)
Marty Smith Future Strokes (Overlapping Dual Forehand, Reverse Serve, Volleyball Serve)

Path: docs/research/modern-tennis-2024-2026.md
Confidence: 0.85 (player stats), 0.90 (rule changes), 0.70 (modern coaching consensus)
Sources: Wikipedia, ITF official, ATP, Olympics.com, The Guardian, Marca, Reuters
Summary: Alcaraz / Sinner / Sabalenka / Swiatek / Gauff profiles; ITF rule changes 2024–2026 (shot clock, Hawk-Eye Live, coaching); Paris 2024 wheelchair tennis full medal table

Path: docs/https://tennis-unified.github.io/research/web-research-summary/
Confidence: 0.90
Sources: Cross (AJP 2011), Cross & Lindsey (Sports Engineering 2013), Kovacs & Ellenbecker (Sports Health 2011), Coyle (Bantam 2009)
Summary: Cross double pendulum extended data, aerodynamics full source table, Kovacs 8-stage full joint angle/EMG table, Talent Code three-rule + myelin science

Path: docs/research/authoritative-sources.md
Confidence: 0.95
Sources: ITF, ATP, WTA, USPTA, peer-reviewed journals, tennisplayer.net archive
Summary: Standard tennis court dimensions; ITF Tennis 10s; ATP 2024 rulebook; ITF wheelchair classification; tennis biomechanics paper index

Source	Reason
`September-October-Tennis-Industry-Magazine.pdf`	skipped: advertising catalogue, no tennis content
`Tennis-Industrial_magazine.pdf`	skipped: advertising catalogue
`Tennis-Industry.pdf`	skipped: advertising catalogue
`10 Most common mistakes in Tennis Doubles and how to fix them!.mkv`	skipped: video format, not text-extractable
`1. Absolute tennis.docx/.pdf/_clean.md/_final_vi.md/_structured.md` (duplicates)	skipped: near-duplicate of `.pdf` canonical
`TEC_130_-_THE_SERVE_from_FTPTennis.docx/.epub` (duplicates)	skipped: near-duplicate
`Coaching_Tennis_Successfully.docx` etc. (when topic already in repo)	skipped: topic already well-covered

Trang web này được xây dựng với ❤️ cho cộng đồng quần vợt Việt Nam 🎾 by Henry Phạm