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FIDE ID 8694451· born 2014 · last updated 9/24/2026
Start with a known public account, or find preparation leads from names and game samples.
FIDE standard
-
FIDE rapid
1575
FIDE blitz
-
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Shortlist public Lichess and chess.com accounts for Chang via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
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AI matching by sample game
Searching public databases for known games ofChang…
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Real tournament games of Jiachen Chang from public sources. Select a game to replay it on the board.
All games
+0 =1 -1 · score25% · 2 games
As White
+0 =1 -0 · score50% · 1 game
As Black
+0 =0 -1 · score0% · 1 game
Cui, Jie(1706)
Chang, Jiachen1-0
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As White
As Black
| Event | Games | Dates |
|---|---|---|
| 2026年全国国际象棋棋协大师赛 (上海站) | 2 | 2026-08-22 |
Prep report
Their repertoire vs yours
Once you have a candidate account, we cross-reference its opening tree against your imported games, surfacing the lines they play that you don’t know, the leaks in their repertoire you can punish, and the gaps in yours you’ll need to plug before the game.
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AI matching from found games
We already found 2 of Chang ’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources:lichess_broadcast (2)- latest 8/22/2026
Helps match accounts whose display name is not written in Latin letters.
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Uses 1 credit. Results take a few minutes; the results page updates itself.