Format
JJ
Justo, James Marcus
🇬🇺FIDE 31002544· Male· Guam· Born in 2014
Follow James Marcus JustoTrack his monthly FIDE ratings, games, tournaments and more.
James Marcus Justo, a 12-year-old player, is rated 1991 — just 19 short of his peak of 2010 (Aug 2025, age 11) and sitting in the top 1% of players worldwide under 12. He has fluctuated between 1764 and 2010 over the past 2 years. 48 rated games in the past year (≈31/year long-term). Recent standard appearances include 2026 Guam National Championship, 2025 Oceania Youth Championship U12 Open, and MMB National Chess Open Tournament. Also played 4 rapid (including 2026 Rapid Team Championship) and 5 blitz events (including June 21 Blitz) recently. He reached #1 nationally in Jun 2025 and has been in top 3 for 13 months and counting.
At junior level, he reached #1 and #1 nationally in U12 and U10.
Current rating
1991
Standard
Rpd2167·Blz2025
All-time high
2010
−19 pts below
Aug 2025 · age 11
Aug 2025 · age 11
Activity
34
games / yr avg. · ≈3/mo
41 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
Top 1%
#194 · players worldwide under 12 · of 14,529
National top 3 since Apr 2026
National top 3 since Apr 2026
Career timeline
11 entries2026
13 months in national top 3 (ongoing)
since Mar 2025
Jun 2026
100 career games
at age 12
Apr 2026
2025
1st U12 player nationally
at age 11 · rated 2010
Aug 2025
Crossed 2000
at age 11
Aug 2025
All-time peak 2010
at age 11 · −19 from today
Aug 2025
Peak national rank: #1
at age 11 · rated 1984
Jun 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+7
1984 → 1991
Tournaments
6
41 games
Score
30/ 4173.2%
27W6D8L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Feb 2026 | 8.5/9 | #1 | 2287 | +136.8 |
Swiss | Dec 2025 | 5/9 | #7 | 1712 | -98.4 |
Swiss | Nov 2025 | 5/7 | #5 | 1910 | -3.2 |
Team | Oct 2025 | 1/1 | #6 | 2303 | +3.2 |
Team | Sep 2025 | 4.5/8 | #14 | 1871 | -54.0 |
Swiss | Jul 2025 | 6/7 | #1 | 2066 | +26.0 |
Most-Played Opponents
vsElmer PrudenteCM
🇬🇺GUM·2003
+13 −24 =9
46 games·last met Apr 2026
View head-to-head →
vsTuan An TranCM
🇬🇺GUM·1939
+22 −14 =6
42 games·last met Feb 2026
View head-to-head →
vsDaniel Combs
🇬🇺GUM·1702
+21 −8 =6
35 games·last met Apr 2026
View head-to-head →
vsAlexis Rian Justo
🇬🇺GUM·1629
+24 −1 =3
28 games·last met Apr 2026
View head-to-head →
vsJunesun Kim
🇬🇺GUM·1662
+12 −8 =5
25 games·last met Feb 2026
View head-to-head →
Rankings
/
Guam
#2
out of 105 players
Asia-Pacific
#3,586
in continent
World
#28,939
out of 400,000+
National ranking
Europe & World
Europe
World
Guam
| 1 | 🇬🇺Follow Elmer PrudenteTrack their monthly FIDE ratings, games, tournaments and more. | 2,003 |
| 2 | 1,991 | |
| 3 | 🇬🇺Follow Cristian TenezacaTrack their monthly FIDE ratings, games, tournaments and more. | 1,944 |
| 4 | 🇬🇺Follow Tuan An TranTrack their monthly FIDE ratings, games, tournaments and more. | 1,939 |
| 5 | 🇬🇺Follow Ruel RemetiraTrack their monthly FIDE ratings, games, tournaments and more. | 1,902 |
| 6 | 🇬🇺Follow Jonathan MolodTrack their monthly FIDE ratings, games, tournaments and more. | 1,897 |
| 7 | 🇬🇺Follow Benchly Cabanayan BuccatTrack their monthly FIDE ratings, games, tournaments and more. | 1,896 |
| 8 | 🇬🇺Follow Jefferson A PascuaTrack their monthly FIDE ratings, games, tournaments and more. | 1,873 |
| 9 | 🇬🇺Follow Edward Rowell P LaudeTrack their monthly FIDE ratings, games, tournaments and more. | 1,867 |
| 10 | 🇬🇺Follow Khenner De MesaTrack their monthly FIDE ratings, games, tournaments and more. | 1,860 |
Asia-Pacific
| 1 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 1 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 3 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 4 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 5 | 🇮🇳Follow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇨🇳Follow Liren DingTrack their monthly FIDE ratings, games, tournaments and more. | 2,738 |
| 7 | 🇮🇳Follow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
| 8 | 🇷🇺Follow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more. | 2,733 |
| 9 | 🇮🇳Follow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 10 | 🇻🇳Follow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more. | 2,731 |
| ... | ||
| 3586 | 1,991 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 28939 | 1,991 | |