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FIDE ID 515590 · born 2008 · last updated 5/12/2026
Standard
2104
Rapid
1692
Blitz
1774
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Shortlist public Lichess and chess.com accounts for Ruusunen via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
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Real tournament games of Onni Ruusunen from public sources. Select a game to replay it on the board.
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Tiitta,S(2159)
Ruusunen,Onni(1958)1-0
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| Event | Games | Dates |
|---|---|---|
| TCh-FIN 2025-26 | 1 | 2026-03-15 |
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 1 of Ruusunen’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources: twic (1) - latest 3/15/2026
Helps match accounts whose display name is not written in Latin letters.
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