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Onuma, Kota

🇯🇵

FIDEFIDE 7006594· Male· Japan· Born in 2010

Follow Kota OnumaTrack his monthly FIDE ratings, games, tournaments and more.

Kota Onuma, a 16-year-old player, is rated 1758 — just 28 short of his peak of 1786 (Jun 2025, age 15). He has held steady between 1750 and 1800 for 13 months. 22 rated games in the past year (≈12/year long-term). Recent appearances: Japan Open 2025(Challenger Category) and Japan Chess Classic 2025. Also played 1 rapid event (including Japan Rapid Chess Championship 2025) recently. He reached #91 nationally in Aug 2025.

At junior level, he reached #2 nationally in U16.

Current rating

1758

Standard

Rpd1827·Blz—

All-time high

1786

−28 pts below
Jun 2025 · age 15

Activity

11

games / yr avg. · ≈1/mo

12 past 12 mo · ≈1/mo
classical only
Moderately active

Signature stat

#89,860

#89,860 · players worldwide · of 218,279

Career timeline

7 entries
2025
Peak national rank: #91
at age 15 · rated 1779
Aug 2025
2nd U16 player nationally
at age 15 · rated 1786
Jun 2025
Crossed 1600
at age 15
Jun 2025
Crossed 1500
at age 15
Jun 2025
Crossed 1400
at age 15
Jun 2025
All-time peak 1786
at age 15 · −28 from today
Jun 2025

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Best result
Japan Open 2025(Challenger Category)
perf 1815 (+57) · 5.5/8 · #36
Top opponent
vs Kohei YamadaFM 2,189
Japan Chess Classic 2025 · Jul 2025 · +16.5 Elo
Evolution
-28
1786 → 1758
Tournaments
2
16 games
Score
10/ 1662.5%
7W6D3L
Top 3 wins
1.[D]vsKohei YamadaFM2,189·Japan Chess Classic 2025·R2·+16.5
2.[W]vsYasuto Abe1,700·Japan Chess Classic 2025·R6·+15.5
3.[W]vsHibiki Ishii1,667·Japan Open 2025(Challenger Category)·R8·+14.9

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
Japan Open 2025(Challenger Category)
Open Swiss
Sep 20255.5/8#361815-20.8
Japan Chess Classic 2025
Open Swiss
Jul 20254.5/4#512569-7.2
Worst Elo result: Japan Open 2025(Challenger Category) (-20.8 Elo, finished #36).

Rankings

/
Japan
#103
out of 254 players
Asia-Pacific
#11,365
in continent
World
#89,858
out of 400,000+

National ranking

Europe & World

Europe
World
Japan
1
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2,399
2
🇯🇵Aoshima, MiraiFollow Mirai AoshimaTrack their monthly FIDE ratings, games, tournaments and more.
2,355
3
🇯🇵Otsuka, ShouFollow Shou OtsukaTrack their monthly FIDE ratings, games, tournaments and more.
2,314
4
🇯🇵Kojima, ShinyaFollow Shinya KojimaTrack their monthly FIDE ratings, games, tournaments and more.
2,309
5
🇯🇵Nanjo, RyosukeFollow Ryosuke NanjoTrack their monthly FIDE ratings, games, tournaments and more.
2,294
6
🇯🇵Nakahara, KanFollow Kan NakaharaTrack their monthly FIDE ratings, games, tournaments and more.
2,290
7
🇯🇵Matsumura, CocoroFollow Cocoro MatsumuraTrack their monthly FIDE ratings, games, tournaments and more.
2,225
8
🇯🇵Watanabe, AkiraFollow Akira WatanabeTrack their monthly FIDE ratings, games, tournaments and more.
2,206
9
🇯🇵Schweizer, SimonFollow Simon SchweizerTrack their monthly FIDE ratings, games, tournaments and more.
2,198
10
🇯🇵Yamada, KoheiFollow Kohei YamadaTrack their monthly FIDE ratings, games, tournaments and more.
2,189
...
103🇯🇵Onuma, Kota1,758
Asia-Pacific
1
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
1
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
3
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
4
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
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.
2,735
8
🇷🇺Nepomniachtchi, IanFollow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more.
2,733
9
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
10
🇻🇳Le, Quang LiemFollow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more.
2,731
...
11365🇯🇵Onuma, Kota1,758
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
...
89858🇯🇵Onuma, Kota1,758