Format
OH
O`brien, Harrison
🇨🇦FIDE 2673134· Male· Canada· Born in 1993
Follow Harrison O`brienTrack his monthly FIDE ratings, games, tournaments and more.
Harrison O`Brien, a 33-year-old Canadian player, is rated 1652 — just 13 short of his peak of 1665 (Jun 2025, age 32). He has held steady between 1650 and 1700 for 12 months. 17 rated games in the past year. Recent appearances: 2025 Royal City Masters U1800 and 2025 Ontario Open Chess Championships U2000.
Current rating
1652
Standard
Rpd—·Blz—
All-time high
1665
−13 pts below
Jun 2025 · age 32
Jun 2025 · age 32
Activity
17
games / yr avg. · ≈1/mo
17 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#127,013
#127,013 · players worldwide · of 216,808
Career timeline
5 entries2025
Crossed 1600
at age 32
Jun 2025
Crossed 1500
at age 32
Jun 2025
Crossed 1400
at age 32
Jun 2025
All-time peak 1665
at age 32 · −13 from today
Jun 2025
First FIDE rating
1665 · at age 32
Jun 2025
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-13
1665 → 1652
Tournaments
2
15 games
Score
8/ 1553.3%
6W4D5L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Aug 2025 | 5/9 | #7 | 1635 | -12.8 |
Open Swiss | May 2025 | 3/5 | #50 | 1622 | 0.0 |
Rankings
/
Canada
#1,100
out of 1,861 players
Americas
#15,498
in continent
World
#127,007
out of 400,000+
National ranking
Europe & World
Europe
World
Canada
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| 6 | 🇨🇦Follow Nikolay NoritsynTrack their monthly FIDE ratings, games, tournaments and more. | 2,453 |
| 7 | 🇨🇦Follow Sai Krishna G VTrack their monthly FIDE ratings, games, tournaments and more. | 2,443 |
| 8 | 🇨🇦Follow Bator SambuevTrack their monthly FIDE ratings, games, tournaments and more. | 2,434 |
| 9 | 🇨🇦Follow Tomas KrnanTrack their monthly FIDE ratings, games, tournaments and more. | 2,427 |
| 10 | 🇨🇦Follow Kevin SpraggettTrack their monthly FIDE ratings, games, tournaments and more. | 2,414 |
| ... | ||
| 1100 | 1,652 | |
Americas
| 1 | 🇺🇸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. | 2,788 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 4 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 5 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 6 | 🇺🇸Follow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more. | 2,724 |
| 7 | 🇺🇸Follow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more. | 2,718 |
| 8 | 🇺🇸Follow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 9 | 🇺🇸Follow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more. | 2,656 |
| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 15498 | 1,652 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 127007 | 1,652 | |