Format
MK
Mooi, Kok Onn Osric
🇸🇬FIDE 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 1694. He has held steady between 1650 and 1700 for 7 months. 77 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 9 rapid (including Chess Connexion Rapid Open 2025) and 5 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
1694
Standard
Rpd1738·Blz1738
All-time high
2146
−452 pts below
Apr 2005 · age 36
Apr 2005 · age 36
Activity
49
games / yr avg. · ≈4/mo
72 past 12 mo · ≈6/mo
classical only
Active
classical only
Active
Signature stat
#112,159
#112,159 · players worldwide · of 218,279
Career timeline
16 entries2025
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
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+2
1692 → 1694
Tournaments
11
71 games
Score
37/ 7152.1%
33W8D30L
Top 3 wins
1.[W]vsSeng Sun Quah1,986·23rd ASEAN AGE GROUP CHESS CHAMPIONSHIP 2025 (SENIORS S50_W50_S65 Open)·R4·+16.8
Top 3 losses
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 5/5 | #4 | 2359 | +18.4 |
Swiss | Feb 2026 | 1/5 | #6 | 1595 | -11.6 |
Open Swiss | Feb 2026 | 4/2 | #16 | 2365 | +0.4 |
Swiss | Dec 2025 | 2/3 | #10 | 1762 | +6.4 |
Swiss | Nov 2025 | 2/5 | #13 | 1622 | -12.8 |
Swiss | Oct 2025 | 2/5 | #14 | 1606 | -14.2 |
Open Swiss | Sep 2025 | 4/6 | #3 | 1581 | -13.8 |
Open Swiss | Sep 2025 | 5/7 | #56 | 1972 | +32.8 |
Open Swiss | Aug 2025 | 3.5/8 | #73 | 1762 | -7.8 |
Most-Played Opponents
vsYi Hearn Lawrence Teoh
🇲🇾MAS·1805
+0 −6 =3
9 games·last met Dec 2024
View head-to-head →
vsChit Ye Thu
🇲🇲MYA·1635
+2 −3 =2
7 games·last met Feb 2026
View head-to-head →
vsSomasundaram Kumaran
🇸🇬SGP·1508
+5 −1 =0
6 games·last met Aug 2025
View head-to-head →
vsGerard Lopez Timothy
🇸🇬SGP·1714
+4 −2 =0
6 games·last met Jun 2025
View head-to-head →
vsJunren Huang
🇸🇬SGP·1642
+3 −3 =0
6 games·last met Apr 2025
View head-to-head →
Rankings
/
Singapore
#117
out of 1,166 players
Asia-Pacific
#15,385
in continent
World
#112,155
out of 400,000+
National ranking
Europe & World
Europe
World
Singapore
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