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MH

Moon, Heesung

🇰🇷

FIDEFIDE 13221639· Male· South Korea· Born in 2009

Follow Heesung MoonTrack his monthly FIDE ratings, games, tournaments and more.

Heesung Moon, a 17-year-old South Korean player, is rated 1782. He is on a breakout run, having gained +116 Elo over the past 12 months. 53 rated games in the past year (≈39/year long-term). Recent standard appearances include 33rd Korea Chess League Div2 Round 5-6, Via Spring Invitational (Masters), and 33rd Korea Chess League Div2 Round 3-4. His peak of 1855 was reached at age 17 (Mar 2026, South Korean #54 at the time).

At junior level, he reached #10, #13 and #24 nationally in U18, U16 and U14.

Current rating

1782

Standard

Rpd1489·Blz—

All-time high

1855

−73 pts below
Mar 2026 · age 17

Activity

38

games / yr avg. · ≈3/mo

51 past 12 mo · ≈4/mo
classical only
Active

Signature stat

#82,023

#82,023 · players worldwide · of 218,279

Career timeline

11 entries
2026
100 career games
at age 17
Apr 2026
Peak South Korean rank: #54
at age 17 · rated 1855
Mar 2026
10th South Korean U18 player
at age 17 · rated 1855
Mar 2026
Crossed 1800
at age 17
Mar 2026
All-time peak 1855
at age 17 · −73 from today
Mar 2026
2025
13th South Korean U16 player
at age 16 · rated 1721
Oct 2025

Standard rating history

Peak
FIDE title
Threshold
First rated
FIDE recal.

Activity & highlights

Best result
Via U1800 February
perf 2501 (+646) · 6/6 · #1
Top opponent
vs Jooyeon KimWCM 1,898
Via Spring Invitational (Masters) · Mar 2026 · +7.0 Elo
Evolution
+78
1704 → 1782
Tournaments
14
54 games
Score
32/ 5459.3%
25W14D15L

Last 12 months — tournaments

14 events
EventDateScoreRankPerfΔ Elo
33rd Korea Chess League Div2 Round 7-8
Team
May 20261/2#181746-4.0
33rd Korea Chess League Div2 Round 5-6
Team
Apr 20262/2#42318+14.8
Via Spring Invitational (Masters)
Round-Robin
Mar 20263/9#91739-58.0
33rd Korea Chess League Div2 Round 3-4
Team
Mar 20260/2#291052-40.0
33rd Korea Chess League Div2 Round 1-2
Team
Mar 20261.5/2#71997+14.8
15th Queen's
Swiss
Feb 20263.5/4#21890+23.6
Via U1800 February
Swiss
Feb 20266/6#12501+113.2
2026 Korea Youth Championship U18
Swiss
Feb 20262.5/6#71709-8.0
9th Gritchess Standard Match
Swiss
Jan 20264/5#101965+10.4
32nd Club League Division 2 Round 5-6
Team
Dec 20251.5/2#51880+19.6
Worst Elo result: Via Spring Invitational (Masters) (-58.0 Elo, finished #9).

Rankings

/
South Korea
#112
out of 718 players
Asia-Pacific
#10,139
in continent
World
#82,021
out of 400,000+

National ranking

Europe & World

Europe
World
South Korea
1
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2,398
2
🇰🇷Ahn, HongjinFollow Hongjin AhnTrack their monthly FIDE ratings, games, tournaments and more.
2,336
3
🇰🇷Kwon, SehyunFollow Sehyun KwonTrack their monthly FIDE ratings, games, tournaments and more.
2,286
4
🇰🇷Yun, HungiFollow Hungi YunTrack their monthly FIDE ratings, games, tournaments and more.
2,214
5
🇰🇷Rentsen, ErdenetulgaFollow Erdenetulga RentsenTrack their monthly FIDE ratings, games, tournaments and more.
2,182
6
🇰🇷Huh, IsaakFollow Isaak HuhTrack their monthly FIDE ratings, games, tournaments and more.
2,174
7
🇰🇷Lee, KyungseokFollow Kyungseok LeeTrack their monthly FIDE ratings, games, tournaments and more.
2,111
8
🇰🇷Gu, InjungFollow Injung GuTrack their monthly FIDE ratings, games, tournaments and more.
2,077
9
🇰🇷Eynula, RozaFollow Roza EynulaTrack her monthly FIDE ratings, games, tournaments and more.
2,048
10
🇰🇷Lee, YounggyuFollow Younggyu LeeTrack their monthly FIDE ratings, games, tournaments and more.
2,045
...
112🇰🇷Moon, Heesung1,782
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
...
10139🇰🇷Moon, Heesung1,782
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
...
82021🇰🇷Moon, Heesung1,782