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FIDE ID 1045660 · born 1997 · last updated 5/12/2026
Standard
2017
Rapid
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Blitz
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Quick name search
Shortlist public Lichess and chess.com accounts for Heij via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
Searching public databases for known games of Heij…
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Real tournament games of Jacco Heij from public sources. Select a game to replay it on the board.
All games
+4 =1 -3 · score 56% · 8 games
As White
+3 =1 -0 · score 88% · 4 games
As Black
+1 =0 -3 · score 25% · 4 games
Boswell,Jacob Connor(2241)
Heij,Jacco(1960)1-0
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As White
As Black
| Event | Games | Dates |
|---|---|---|
| 19th South Wales Int 2024 | 8 | 2024-07-05 to 2024-07-10 |
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.
Pick a candidate account above to unlock the report.
AI matching from found games
We already found 8 of Heij’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources: twic (8) - latest 7/10/2024
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.