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Mooi, Kok Onn Osric

🇸🇬

FIDEFIDE 5800528· Male· Singapore· Born in 1969

Follow Kok Onn Osric MooiTrack his monthly FIDE ratings, games, tournaments and more.

Kok Onn Osric Mooi, a 57-year-old player, is rated 1676. He has held steady between 1650 and 1700 for 6 months. 72 rated games in the past year (≈13/year long-term). Recent standard appearances include SGMS Monthly International Open (Feb 2026), 5th DAV Go Checkmate FIDE Standard - U1800, and 2025 National Qualifier C. Also played 11 rapid (including Chess Connexion Rapid Open 2025) and 4 blitz events (including 2025 CTCA International Chess Open-Blitz) recently. He had 3 career breaks: 20 months (2001–2003), 17 months (2010–2012) and 91 months (2015–2023). His peak of 2146 was reached at age 36 (Apr 2005); he also reached #22 nationally in Jan 2006.

Competes for Singapore since Sep 2016.

Current rating

1676

Standard

Rpd1748·Blz1766

All-time high

2146

−470 pts below
Apr 2005 · age 36

Activity

48

games / yr avg. · ≈4/mo

72 past 12 mo · ≈6/mo
classical only
Active

Signature stat

#118,320

#118,320 · players worldwide · of 216,808

Career timeline

16 entries
2025
6th 55-60 player nationally
at age 56 · rated 1715
Jun 2025
2024
Best 12-month gain (+54 Elo)
1761 → 1815
Mar 2024
2023
2nd 50-55 player nationally
at age 54 · rated 1761
Oct 2023
2016
Switched federation: SIN → SGP
at age 47
Sep 2016
2015
3rd 45-50 player nationally
at age 46 · rated 1795
Aug 2015
Inactive for 91 months
paused at 1795 → returned at 1761
Jun 2015

Standard rating history

Last 12 months — activity & highlights

Best result
2025 CTCA International Chess Open-Open U19GU19U17GU17
perf 2159 (+464) · 4/5 · #76
Top opponent
vs Seng Sun Quah 1,986
23rd ASEAN AGE GROUP CHESS CHAMPIONSHIP 2025 (SENIORS S50_W50_S65 Open) · Jul 2025 · +16.8 Elo
Evolution
-39
1715 → 1676
Tournaments
12
79 games
Score
42/ 7953.2%
37W10D32L

Last 12 months — tournaments

9 events
EventDateScoreRankPerfΔ Elo
SGMS Monthly International Open (Feb 2026)
Swiss
Feb 20261/5#61595-11.6
5th DAV Go Checkmate FIDE Standard - U1800
Open Swiss
Feb 20264/2#162365+0.4
2025 National Qualifier C
Swiss
Dec 20252/3#101762+6.4
2025 National Qualifiers B
Swiss
Nov 20252/5#131622-12.8
2025 National Qualifiers A
Swiss
Oct 20252/5#141606-14.2
Worst Elo result: 2025 CTCA International Chess Open-Open U19GU19U17GU17 (-24.6 Elo, finished #76).

Rankings

/
Singapore
#131
out of 1,147 players
Asia-Pacific
#16,680
in continent
World
#118,315
out of 400,000+

National ranking

Europe & World

Europe
World
Singapore
1
🇸🇬Tin, JingyaoFollow Jingyao TinTrack their monthly FIDE ratings, games, tournaments and more.
2,589
2
🇸🇬Siddharth, JagadeeshFollow Jagadeesh SiddharthTrack their monthly FIDE ratings, games, tournaments and more.
2,513
3
🇸🇬Goh, Zi HanFollow Zi Han GohTrack their monthly FIDE ratings, games, tournaments and more.
2,383
4
🇸🇬Wong, Zhenyong JaydenFollow Zhenyong Jayden WongTrack their monthly FIDE ratings, games, tournaments and more.
2,371
5
🇸🇬Liu, XiangyiFollow Xiangyi LiuTrack their monthly FIDE ratings, games, tournaments and more.
2,353
6
🇸🇬Villamayor, BuenaventuraFollow Buenaventura VillamayorTrack their monthly FIDE ratings, games, tournaments and more.
2,280
7
🇸🇬Ashwath KaushikFollow Ashwath KaushikTrack their monthly FIDE ratings, games, tournaments and more.
2,266
8
🇸🇬Paciencia, EnriqueFollow Enrique PacienciaTrack their monthly FIDE ratings, games, tournaments and more.
2,253
9
🇸🇬Tan, Yi Rui RayFollow Yi Rui Ray TanTrack their monthly FIDE ratings, games, tournaments and more.
2,247
10
🇸🇬Low, Pe YeowFollow Pe Yeow LowTrack their monthly FIDE ratings, games, tournaments and more.
2,210
...
131🇸🇬Mooi, Kok Onn Osric1,676
Asia-Pacific
1
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
2
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
3
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,751
5
🇮🇳Anand, ViswanathanFollow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇨🇳Ding, LirenFollow Liren DingTrack their monthly FIDE ratings, games, tournaments and more.
2,738
7
🇮🇳Praggnanandhaa RFollow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more.
2,733
8
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
9
🇻🇳Le, Quang LiemFollow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more.
2,731
10
🇷🇺Nepomniachtchi, IanFollow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more.
2,729
...
16680🇸🇬Mooi, Kok Onn Osric1,676
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
...
118315🇸🇬Mooi, Kok Onn Osric1,676