Players
John Costello
Record
7 classical games in top events since 16 Sep 2026
| Games | W | D | L | Score | |
|---|---|---|---|---|---|
| As White | 3 | 0 | 0 | 3 | 0% |
| As Black | 4 | 1 | 0 | 3 | 25% |
| All games | 7 | 1 | 0 | 6 | 14% |
Recent events
| Event | Score | Perf |
|---|---|---|
| 46th FIDE Chess Olympiad Samarkand 202627 Sep 2026 | 1/7 | 1699 |
Best wins
| Opponent | Rating |
|---|---|
| M. Abdou24 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1806 |
Most played
| Opponent | Games | + = − |
|---|---|---|
| CMG. GermanovsLast 16 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| FMS. ThihaLast 18 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| IMO. HusbandsLast 20 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| J. MBOULA MBOUMBALast 21 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 0 0 1 |
| M. AbdouLast 24 Sep 2026 · 46th FIDE Chess Olympiad Samarkand 2026 | 1 | 1 0 0 |
No rapid games in our archive of top events yet.