Costello, John
🇮🇲FIDE 451819· Male· Unknown (IOM)· Born in 1966
John Costello, a 60-year-old player, is rated 1832 — his current career high. He is progressing steadily with +36 Elo over the past 12 months. 28 rated games in the past year (≈9/year long-term). Recent standard appearances include 2025-26 IOMCA Manx Cup and Plate - Finals, LCU Ennis Shield 2025-2026 Rounds 9-10, and 2025-26 IOMCA Manx Candidates Round 5 - 7. He took a 28-month break between Nov 2020 and Apr 2023 (COVID-19 included). He reached #2 nationally in Apr 2023 and has been in top 10 for 91 months and counting (5 consecutive years on his current run).
Competes for Unknown (IOM) since Aug 2023.
Current rating
1832
Standard
All-time high
1832
Jun 2026 · age 60
Activity
14
games / yr avg. · ≈1/mo
classical only
Moderately active
Signature stat
#66,617
National top 10 since Mar 2026
Career timeline
15 entriesStandard rating history
Activity & highlights
Last 12 months — tournaments
15 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 1/1 | #8 | — | +9.8 |
Knockout | Mar 2026 | 1/1 | F | 2630 | +10.8 |
Team | Mar 2026 | 1/1 | #30 | — | +7.8 |
Round-Robin | Mar 2026 | 1.5/3 | #6 | 1677 | -9.8 |
Round-Robin | Feb 2026 | 3/4 | #2 | 1848 | +6.6 |
Round-Robin | Jan 2026 | 0/1 | #9 | 1003 | -9.8 |
Team | Jan 2026 | 1/1 | #41 | — | +6.2 |
Round-Robin | Dec 2025 | 1.5/2 | #2 | 2008 | +11.2 |
Team | Dec 2025 | 0.5/1 | #59 | — | +2.4 |
Team | Nov 2025 | 0.5/2 | #56 | — | -7.8 |
Rankings
National ranking
Europe & World
| 1 | 🇮🇲Follow Li WuTrack their monthly FIDE ratings, games, tournaments and more. | 2,266 |
| 2 | 🇮🇲Follow Silvester SiposTrack their monthly FIDE ratings, games, tournaments and more. | 1,961 |
| 3 | 🇮🇲Follow Henrik FabriTrack their monthly FIDE ratings, games, tournaments and more. | 1,934 |
| 4 | 🇮🇲Follow Sanjay GumireddyTrack their monthly FIDE ratings, games, tournaments and more. | 1,901 |
| 5 | 🇮🇲Follow Francis ThodayTrack their monthly FIDE ratings, games, tournaments and more. | 1,880 |
| 6 | 🇮🇲Follow Howard DobsonTrack their monthly FIDE ratings, games, tournaments and more. | 1,866 |
| 7 | 🇮🇲Follow Alan OrmsbyTrack their monthly FIDE ratings, games, tournaments and more. | 1,861 |
| 8 | 1,832 | |
| 9 | 🇮🇲Follow Sandor TalasTrack their monthly FIDE ratings, games, tournaments and more. | 1,816 |
| 10 | 🇮🇲Follow Glenn CrossTrack their monthly FIDE ratings, games, tournaments and more. | 1,815 |
| 1 | 2,710 | |
| 2 | 2,682 | |
| 3 | 2,650 | |
| 4 | 2,625 | |
| 5 | 2,599 | |
| 6 | 2,597 | |
| 6 | 2,597 | |
| 8 | 2,593 | |
| 9 | 2,590 | |
| 10 | 2,583 | |
| ... | ||
| 347 | 1,832 | |
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 66616 | 1,832 | |