| Rankings | Players | Tournaments | Gadget | Charts | Calculators | Log-In |
| Costello, Colin A |
| FIDE on list | Live FIDE |
|---|---|
1894 | 1894 |
World Rank |
Europe Rank |
UNITED KINGDOM Rank |
|---|---|---|
133412 |
93759 |
2095 |
| Tournament | Elo at the start of the tournament | Variation |
|---|---|---|
International Senior Open | 1894 | +2.6 |
