Format
KN
Koyama, Nobuyuki
🇯🇵FIDE 7002327· Male· Japan· Born in 1958
Follow Nobuyuki KoyamaTrack his monthly FIDE ratings, games, tournaments and more.
Nobuyuki Koyama, a 68-year-old player, is rated 1707. He has slipped back 32 Elo over the past 12 months. 14 rated games in the past year (≈7/year long-term). Recent appearance: Japan Open 2025(Challenger Category). His peak of 1798 was reached at age 66 (Mar 2024); he also reached #46 nationally in May 2019.
Current rating
1707
Standard
Rpd—·Blz—
All-time high
1798
−91 pts below
Mar 2024 · age 66
Mar 2024 · age 66
Activity
5
games / yr avg.
7 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#107,429
#107,429 · players worldwide · of 218,279
Career timeline
13 entries2024
4th 65-70 player nationally
at age 66 · rated 1798
May 2024
Best 12-month gain (+125 Elo)
1673 → 1798
Mar 2024
All-time peak 1798
at age 66 · −91 from today
Mar 2024
2020
3rd 60-65 player nationally
at age 62 · rated 1762
Oct 2020
2019
Inactive for 23 months
paused at 1762 → returned at 1743
Dec 2019
Peak national rank: #46
at age 61 · rated 1759
May 2019
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-32
1739 → 1707
Tournaments
1
9 games
Score
4.5/ 950.0%
4W1D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Sep 2025 | 4.5/7 | #68 | 1669 | -32.4 |
Rankings
/
Japan
#129
out of 254 players
Asia-Pacific
#14,471
in continent
World
#107,426
out of 400,000+
National ranking
Europe & World
Europe
World
Japan
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