or
Loading player profile…
FIDE ID 403580· born 1954 · last updated 5/12/2026
FIDE standard
1883
FIDE rapid
-
FIDE blitz
-
Quick name searchFree
Shortlist public Lichess and chess.com accounts for Costello 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 ofCostello…
Have your own PGNs? You can also paste them below once this finishes; or use Quick name search above to skip this step.
Real tournament games of Colin A Costello from public sources. Select a game to replay it on the board.
All games
+7 =7 -15 · score36% · 29 games
As White
+5 =1 -6 · score46% · 12 games
As Black
+2 =6 -9 · score29% · 17 games
Eilenberg,Jonas(2388)
Costello,C(1878)0-1
Loading the game…
Select a game
As White
As Black
| Event | Games | Dates |
|---|---|---|
| Werner-Ott-Open 2026 | 1 | 2026-08-01 |
| Isle of Wight Weekend | 3 | 2026-02-20 to 2026-02-22 |
| Harry Lamb Mem 2025 | 5 | 2025-08-15 to 2025-08-17 |
| Rudolf Teschner Mem 2025 | 1 | 2025-05-29 |
| 13th Int Senioren-Cup | 6 | 2025-03-29 to 2025-04-03 |
| Marburger Schachtage 2024 | 7 | 2024-10-24 to 2024-10-27 |
| 41st Muensterland Open | 1 | 2024-10-12 |
| 6th Bamberg Open 2024 | 5 | 2024-09-05 to 2024-09-08 |
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 29 of Costello ’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources:twic (29)- latest 8/1/2026
Helps match accounts whose display name is not written in Latin letters.
Costs 1 credit
Uses 1 credit. Results take a few minutes; the results page updates itself.