Chess.com source desk. Monthly public archives. Lesson writeups stay in ZONE and surface on /daily. Closed accounts are not playable logins.
- 11brose — primary historical corpus. 2013-03 to 2022-02. 93 months.
- brosetheghost — DJ Brose. Live basic account, Legend league. Joined 2014-05. Public monthly archives currently listed 2025-02 to 2025-04 (3 months). Ingest this handle.
- TCZ_CoachChad — branded years. 2021-09 to 2024-07. 26 months. Status closed:abuse. Archives still listed. Last online 2024-07-08. League Legend.
- TheChessZone — early brand, closed, 2016-03 only.
- coachchad — name-park, 2020-12.
TCZ_CoachChad stats (public API, pulled 2026-09-06)
- Bullet last 1321 / best 1697 (2023-10-04). Record 5471–5426–529.
- Blitz last 1353 / best 1569 (2023-11-21). Record 467–638–73.
- Rapid last 1518 / best 2061 (2021-12-21). Record 503–505–54.
- Daily last 1034 / best 1600 (join day). Record 2–9–0.
Puzzler / tactics (emphasis)
Canon numbers come from the Chess.com app Stats tab (All time), archived 2026-09-06 from Coach Chad’s screenshot. The public API does not return this curve.
- Current Puzzler 2783. Friends (22) rank #1.
- Highest Puzzler 2938 on Mar 11, 2024.
- Rated Training 22 hrs 11 minutes. Rated Puzzles 0.
- All-time chart: climb from about 1000 on Jun 30, 2023 through 2k by late 2023, peak early 2024, then a long plateau near 2800 across 2024.
Public-API leftover only: tactics highest=lowest 2192 on join day 2021-09-22; Puzzle Rush best 27 / 499 attempts. Do not use 2192 as the Puzzler record.
US Chess — Chad D Ambrose, TX, ID 16395630
Official card: ratings.uschess.org/player/16395630. Membership expired 2025-05-31. FIDE ID 0. Last changed 2026-06-26. Last rated event 202407065322 US Chess Blitz on Chess.com (2024-07-06). Snapshot from ratings-api.uschess.org on 2026-09-06:
- Regular (R) 1280 / 11 games / provisional / floor 100
- Quick (Q) 656 / 6 games / provisional / floor 100
- Blitz (B) unrated
- Online-Regular (OR) 1210 / 24 games / provisional / floor 100
- Online-Quick (OQ) 1236 / established / floor 100
- Online-Blitz (OB) 1420 / established / floor 1400
Rated games on file: 1499 (W 424 / D 78 / L 997). Almost all online Chess.com events (1258 OB). Yearly volume: 2017 3, 2018 175, 2019 160, 2020 61, 2021 455, 2022 191, 2023 209, 2024 245. Public API has current ratings plus event/game lists, not a month-by-month rating graph. OTB / non-Chess.com events on file: June 2017 Swiss (Austin), June 6 G/24 2018 (Austin), 4th ACC Summer Open 2018 (Austin), US Championship Online Qualifier U1600 2020, U1400 US Chess December 2020 (Eden Prairie), USOQ side blitz 2020-12-18, January Open 2021 (Eden Prairie), Nov 7 2021 ACF (Austin).
Self-reported USCF on Lichess TCZ_CoachChad is 1450 and on tksatxchad_ambrose is 1381. Those are profile fields, not the published US Chess numbers above.
Skip: TCz (Thomas Chan), chadchess (2012 two-game), prosetnegost (404 / share typo).
New Chess.com-tagged lessons use child category ZONE · Chess.com plus ZONE. Historical 543 stay on ZONE only.