Format
MJ
Mortensen, John Michael
🇬🇺FIDE 31005950· Male· Guam· Born in 2012
Follow John Michael MortensenTrack his monthly FIDE ratings, games, tournaments and more.
John Michael Mortensen, a 14-year-old player, is rated 1509. He has slipped back 50 Elo over the past 12 months. 22 rated games in the past year. Recent standard appearances include 2026 Guam National Championship, MMB National Chess Open Tournament, and 2025 National Team Championship Round 9. Also played 6 rapid (including 2026 Rapid Team Championship) and 3 blitz events (including October 19 Blitz) recently. His peak of 1581 was reached at age 13 (Jun 2025, #38 nationally at the time).
At junior level, he reached #5 nationally in U14.
Current rating
1509
Standard
Rpd1538·Blz1457
All-time high
1581
−72 pts below
Jun 2025 · age 13
Jun 2025 · age 13
Activity
20
games / yr avg. · ≈2/mo
22 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#181,291
#181,291 · players worldwide · of 216,808
Career timeline
7 entries2025
5th U14 player nationally
at age 13 · rated 1581
Jun 2025
All-time peak 1581
at age 13 · −72 from today
Jun 2025
Peak national rank: #38
at age 13 · rated 1559
May 2025
Crossed 1500
at age 13
Mar 2025
Crossed 1400
at age 13
Mar 2025
Crossed 1200
at age 13
Mar 2025
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-72
1581 → 1509
Tournaments
5
29 games
Score
12.5/ 2943.1%
11W3D15L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Feb 2026 | 3/4 | #50 | 1967 | -33.2 |
Swiss | Nov 2025 | 2.5/3 | #29 | 2027 | -14.0 |
Team | Oct 2025 | 0/1 | #25 | 727 | -20.0 |
Team | Sep 2025 | 4/6 | #26 | 1745 | +22.8 |
Swiss | Jul 2025 | 3/6 | #12 | 1636 | -27.2 |
Rankings
/
Guam
#60
out of 106 players
Asia-Pacific
#35,840
in continent
World
#181,242
out of 400,000+
National ranking
Europe & World
Europe
World
Guam
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| 60 | 1,509 | |
Asia-Pacific
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| ... | ||
| 35840 | 1,509 | |
World
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| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
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| 181242 | 1,509 | |