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FIDE ID 1008544· born 1983 · last updated 5/12/2026
FIDE standard
2304
FIDE rapid
2311
FIDE blitz
2336
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Shortlist public Lichess and chess.com accounts for Koster 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 Ramon Koster from public sources. Select a game to replay it on the board.
All games
+30 =18 -15 · score62% · 63 games
As White
+17 =10 -5 · score69% · 32 games
As Black
+13 =8 -10 · score55% · 31 games
Arvola, Daniel(2140)
Koster, Ramon(2304)½-½
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As White
| Event | Games | Dates |
|---|---|---|
| Round 4: Arvola, Daniel - Koster, Ramon | 1 | 2026-08-24 |
| Round 3: Koster, Ramon - Haug, Havard | 1 | 2026-08-23 |
| Round 1: Koster, Ramon - Kamp, Aaron | 2 | 2026-08-21 to 2026-08-22 |
| Round 2: Woods, Yannick - Koster, Ramon | 1 | 2026-08-22 |
| Djerba Open A 2026 | 9 | 2026-02-08 to 2026-02-15 |
| 61st Groningen Open 2025 | 9 | 2025-12-21 to 2025-12-30 |
| 15th London Classic Open | 9 | 2025-11-27 to 2025-12-03 |
| Maia Chess Open 2025 |
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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As Black
| 9 |
| 2025-08-22 to 2025-08-30 |
| Science Park Open A 2025 | 9 | 2025-07-05 to 2025-07-13 |
| HSG Open 2025 | 4 | 2025-06-21 to 2025-06-22 |
AI matching from found games
We already found 63 of Koster ’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources:twic (58), lichess_broadcast (5)- latest 8/24/2026
Helps match accounts whose display name is not written in Latin letters.
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