CChessStats
Format
MO

McDonnell, Oisin

🇮🇪

FIDEFIDE 2523400· Male· Ireland· Born in 2001

Follow Oisin McDonnellTrack his monthly FIDE ratings, games, tournaments and more.

Oisin Mcdonnell, a 25-year-old Irish player, is rated 1507. He has slipped back 70 Elo over the past 12 months. 10 rated games in the past year (≈9/year long-term). Recent standard appearances include LCU Heidenfeld Trophy 2025-2026 Rounds 7-8, Williamson Shield 2026, and LCU O'Hanlon Cup 2025-2026 Rounds 1-2. Also played 1 rapid event (including Longford Rapid Open 2026) recently. His peak of 1596 was reached at age 23 (Jun 2024).

Current rating

1507

Standard

Rpd1579·Blz—

All-time high

1596

−89 pts below
Jun 2024 · age 23

Activity

8

games / yr avg. · ≈1/mo

10 past 12 mo · ≈1/mo
classical only
Occasional

Signature stat

#182,023

#182,023 · players worldwide · of 216,808

Career timeline

5 entries
2024
Crossed 1500
at age 23
Jun 2024
Crossed 1400
at age 23
Jun 2024
Crossed 1200
at age 23
Jun 2024
All-time peak 1596
at age 23 · −89 from today
Jun 2024
First FIDE rating
1596 · at age 23
Jun 2024

Standard rating history

Last 12 months — activity & highlights

Top opponent
vs Cathal Murphy 1,680
Ennis Congress Michael Meaney 2025 · May 2025 · +7.5 Elo
Evolution
-37
1544 → 1507
Tournaments
5
14 games
Score
2.5/ 1417.9%
2W1D11L
Top 1 win
1.[D]vsCathal Murphy1,680·Ennis Congress Michael Meaney 2025·R2·+7.5
Top 3 losses
1.[L]vsLeo Latorre1,525·Ennis Congress Michael Meaney 2025·R5·-21.1
2.[L]vsNikolai Dimitrov1,539·Williamson Shield 2026·R3·-18.3
3.[L]vsDavid Blair1,605·Williamson Shield 2026·R5·-14.7

Last 12 months — tournaments

5 events
EventDateScoreRankPerfΔ Elo
LCU Heidenfeld Trophy 2025-2026 Rounds 7-8
Team
Feb 20260/1#88—-3.2
Williamson Shield 2026
Open Swiss
Jan 20261/4#341478-59.2
LCU O'Hanlon Cup 2025-2026 Rounds 1-2
Team
Sep 20251/1#29—+32.8
LCU Heidenfeld Trophy 2025-2026 Rounds 1-2
Team
Sep 20250/1#102—-7.6
Ennis Congress Michael Meaney 2025
Swiss
May 20250.5/3#241339-33.2
Worst Elo result: Williamson Shield 2026 (-59.2 Elo, finished #34).

Rankings

/
Ireland
#913
out of 1,228 players
Europe
#115,327
in continent
World
#181,971
out of 400,000+

National ranking

Europe & World

Europe
World
Ireland
1
🇮🇪Collins, Sam E.Follow Sam E. CollinsTrack their monthly FIDE ratings, games, tournaments and more.
2,459
2
🇮🇪Kanyamarala, TarunFollow Tarun KanyamaralaTrack their monthly FIDE ratings, games, tournaments and more.
2,418
3
🇮🇪O`Gorman, TomFollow Tom O`GormanTrack their monthly FIDE ratings, games, tournaments and more.
2,388
4
🇮🇪Jessel, StephenFollow Stephen JesselTrack their monthly FIDE ratings, games, tournaments and more.
2,357
5
🇮🇪Quinn, MarkFollow Mark QuinnTrack their monthly FIDE ratings, games, tournaments and more.
2,354
6
🇮🇪Baburin, AlexanderFollow Alexander BaburinTrack their monthly FIDE ratings, games, tournaments and more.
2,344
7
🇮🇪Collins, AdamFollow Adam CollinsTrack their monthly FIDE ratings, games, tournaments and more.
2,338
8
🇮🇪Fitzsimons, DavidFollow David FitzsimonsTrack their monthly FIDE ratings, games, tournaments and more.
2,320
9
🇮🇪Venkatesan, KavinFollow Kavin VenkatesanTrack their monthly FIDE ratings, games, tournaments and more.
2,297
10
🇮🇪Heidenfeld, MarkFollow Mark HeidenfeldTrack their monthly FIDE ratings, games, tournaments and more.
2,296
...
913🇮🇪McDonnell, Oisin1,507
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
115327🇮🇪McDonnell, Oisin1,507
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
181971🇮🇪McDonnell, Oisin1,507