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O`Brien, Liam

🇮🇪

FIDEFIDE 2503948· Male· Ireland· Born in 1957

Follow Liam O`BrienTrack his monthly FIDE ratings, games, tournaments and more.

Liam O`Brien, a 69-year-old Irish player, is rated 1814. He has held steady between 1800 and 1850 for 13 months. 10 rated games in the past year (≈9/year long-term). Recent standard appearances include Munster Chess Union Club League Division 1 Round 7, Munster Chess Union Club League Division 1 Rounds 5-6, and Munster Chess Union Club League Division 1 Rounds 3-4. He took a 31-month break between Apr 2020 and Dec 2022 (COVID-19 included). His peak of 1950 was reached at age 55 (Sep 2012); he also reached Irish #94 in Apr 2013.

Current rating

1814

Standard

Rpd—·Blz—

All-time high

1950

−136 pts below
Sep 2012 · age 55

Activity

6

games / yr avg. · ≈1/mo

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

Signature stat

#72,011

#72,011 · players worldwide · of 218,279

Career timeline

13 entries
2024
7th Irish 65-70 player
at age 67 · rated 1904
Nov 2024
Best 12-month gain (+75 Elo)
1824 → 1899
Mar 2024
2023
100 career games
at age 66
Apr 2023
2020
19th Irish 60-65 player
at age 63 · rated 1822
Oct 2020
Inactive for 31 months
paused at 1822 → returned at 1815
Apr 2020
2013
K-factor lowered to 15
at age 56
Nov 2013

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.

Activity & highlights

Top opponent
vs David Racz 1,659
Munster Chess Union Club League Division 1 Rounds 3-4 · Jan 2026 · +5.4 Elo
Evolution
-21
1835 → 1814
Tournaments
4
6 games
Score
2.5/ 641.7%
2W1D3L

Last 12 months — tournaments

4 events
EventDateScoreRankPerfΔ Elo
Munster Chess Union Club League Division 1 Round 7
Team
Apr 20260.5/1#201774-2.2
Munster Chess Union Club League Division 1 Rounds 5-6
Team
Feb 20260/2#36—-14.2
Munster Chess Union Club League Division 1 Rounds 3-4
Team
Jan 20262/2#42423+10.0
Munster Chess Union Club League Division 1 Rounds 1-2
Team
Nov 20250/1#37844-15.0
Worst Elo result: Munster Chess Union Club League Division 1 Rounds 1-2 (-15.0 Elo, finished #37).

Most-Played Opponents

vsGerry Casey
🇮🇪IRL·1724
+6 −1 =1
8 games·last met Apr 2025
View head-to-head →
vsPat Twomey
🇮🇪IRL·1806
+3 −1 =2
6 games·last met Dec 2022
View head-to-head →
vsPaul Dowdall
🇮🇪IRL·1789
+5 −0 =1
6 games·last met Nov 2019
View head-to-head →
vsDiana MirzaWFM
🇮🇪IRL·1950
+1 −4 =1
6 games·last met Oct 2017
View head-to-head →
vsNick J. Larter
🇮🇪IRL·1886
+2 −1 =2
5 games·last met Feb 2019
View head-to-head →

Rankings

/
Ireland
#323
out of 1,228 players
Europe
#52,268
in continent
World
#72,010
out of 400,000+

National ranking

Europe & World

Europe
World
Ireland
1
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2,462
2
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2,426
3
🇮🇪O`Gorman, TomFollow Tom O`GormanTrack their monthly FIDE ratings, games, tournaments and more.
2,385
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.
2,307
9
🇮🇪Tureshbayev, AnuarFollow Anuar TureshbayevTrack their monthly FIDE ratings, games, tournaments and more.
2,304
10
🇮🇪Venkatesan, KavinFollow Kavin VenkatesanTrack their monthly FIDE ratings, games, tournaments and more.
2,297
...
323🇮🇪O`Brien, Liam1,814
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿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.
2,713
...
52268🇮🇪O`Brien, Liam1,814
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
72010🇮🇪O`Brien, Liam1,814