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Matsumura, Cocoro

CM🇯🇵

FIDEFIDE 36087114· Male· Japan· Born in 2008

Follow Cocoro MatsumuraTrack his monthly FIDE ratings, games, tournaments and more.

Cocoro Matsumura, a 18-year-old Candidate Master, is rated 2225 — his current career high and sitting in the top 3% of players worldwide under 18, and in the top 3% worldwide. He is on a breakout run, having gained +101 Elo over the past 12 months. 18 rated games in the past year (≈80/year long-term). Recent appearances: Reykjavik Open 2026 and Rilton Cup 2025-2026. Also played 1 rapid (including Japan Rapid Chess Championship 2025) and 2 blitz events (including Harpa Blitz 2026) recently. He reached #7 nationally in Feb 2026.

Competes for Japan since Sep 2023. Awarded CM in 2024 (age 16). At junior level, he reached World #77 in U14, World #34 in U10, World #70 in U8 and #1, #1 and #1 nationally in U18, U16 and U12.

Current rating

2225

Standard

Rpd2134·Blz2131

All-time high

2225

at best
May 2026 · age 18

Activity

57

games / yr avg. · ≈5/mo

18 past 12 mo · ≈2/mo
classical only
Active

Signature stat

Top 3%

#404 · players worldwide under 18 · of 15,644

Career timeline

23 entries
2026
1st U18 player nationally
at age 18 · rated 2225
May 2026
All-time peak 2225
at age 18
May 2026
Peak national rank: #7
at age 18 · rated 2202
Feb 2026
Crossed 2200
at age 18
Feb 2026
2025
Re-crossed 2100
at age 17
Jan 2025
2024
CM title awardedCM
at age 16
Oct 2024

Standard rating history

Activity & highlights

Best result
Rilton Cup 2025-2026
perf 2289 (+87) · 4.5/9 · #77
Top opponent
vs Hari Madhavan N BIM 2,363
Rilton Cup 2025-2026 · Dec 2025 · +8.7 Elo
Evolution
+101
2124 → 2225
Tournaments
2
18 games
Score
10.5/ 1858.3%
9W3D6L
Top 3 wins
1.[W]vsArvin RastiFM2,270·Rilton Cup 2025-2026·R8·+23.9
2.[W]vsPaul-Luca WuebkerCM2,269·Rilton Cup 2025-2026·R6·+23.8
3.[W]vsErik HedmanIM2,263·Rilton Cup 2025-2026·R7·+23.5
Top 3 losses
1.[L]vsGachatur KazarjanFM2,246·Rilton Cup 2025-2026·R5·-17.5
2.[L]vsVihaan Karthikeya NCM2,273·Rilton Cup 2025-2026·R3·-16.0
3.[L]vsKostya KavutskiyIM2,354·Rilton Cup 2025-2026·R9·-11.8

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
Reykjavik Open 2026
Open Swiss
Mar 20266/9#282238+23.2
Rilton Cup 2025-2026
Open Swiss
Dec 20254.5/9#772289+78.4

Most-Played Opponents

vsNoam Patole
🇫🇷FRA·2199
+2 −3 =1
6 games·last met Dec 2022
View head-to-head →
vsYanis-Huy Desarmaux-Do
🇫🇷FRA·1937
+2 −2 =2
6 games·last met Aug 2020
View head-to-head →
vsAndre TulliezFM
🇫🇷FRA·2324
+4 −0 =1
5 games·last met Dec 2022
View head-to-head →

Rankings

/
Japan
#7
out of 241 players
Asia-Pacific
#1,165
in continent
World
#6,897
out of 400,000+

National ranking

Europe & World

Europe
World
Japan
1
🇯🇵Tran, Thanh TuFollow Thanh Tu TranTrack their monthly FIDE ratings, games, tournaments and more.
2,402
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.
2,322
4
🇯🇵Kojima, ShinyaFollow Shinya KojimaTrack their monthly FIDE ratings, games, tournaments and more.
2,307
5
🇯🇵Nanjo, RyosukeFollow Ryosuke NanjoTrack their monthly FIDE ratings, games, tournaments and more.
2,301
6
🇯🇵Nakahara, KanFollow Kan NakaharaTrack their monthly FIDE ratings, games, tournaments and more.
2,244
72,225
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.
2,202
10
🇯🇵Yamada, KoheiFollow Kohei YamadaTrack their monthly FIDE ratings, games, tournaments and more.
2,182
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
...
1165🇯🇵Matsumura, Cocoro2,225
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
...
6897🇯🇵Matsumura, Cocoro2,225