Format
MT
Mai, Thien Kim Ngoc Diep
WFM🇻🇳FIDE 12401846· Female· Vietnam· Born in 1990
Follow Thien Kim Ngoc Diep MaiTrack her monthly FIDE ratings, games, tournaments and more.
Thien Kim Ngoc Diep Mai, a 36-year-old Vietnamese Woman FIDE Master, is rated 1821. She has slipped back 78 Elo over the past 12 months. 21 rated games in the past year (≈3/year long-term). Recent standard appearances include 4th An Giang Chess Tournament - Chess Star Cup 2026 - Championship Category, 3rd An Giang Chess Tournament - Chess Star Cup 2026 - Championship Category, and 1st An Giang Chess Tournament - Chess Star Cup 2025 - Championship Category. She had 2 career breaks: 123 months (2013–2024) and 22 months (2024–2026). Her peak of 1899 was reached at age 34 (Mar 2024, Vietnamese #99 at the time).
Awarded WFM in 2013 (age 23).
Current rating
1821
Standard
Rpd1744·Blz1844
All-time high
1899
−78 pts below
Mar 2024 · age 34
Mar 2024 · age 34
Activity
9
games / yr avg. · ≈1/mo
21 past 12 mo · ≈2/mo
classical only
Occasional
classical only
Occasional
Signature stat
#69,867
#69,867 · players worldwide · of 218,279
Career timeline
11 entries2026
K-factor lowered to 20
at age 36
Jan 2026
2024
Best 12-month gain (+41 Elo)
1858 → 1899
Mar 2024
All-time peak 1899
at age 34 · −78 from today
Mar 2024
Peak Vietnamese rank: #99
at age 34 · rated 1832
Feb 2024
Inactive for 22 months
paused at 1832 → returned at 1845
Feb 2024
2013
WFM title awardedWFM
at age 23
Nov 2013
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-78
1899 → 1821
Tournaments
3
21 games
Score
9.5/ 2145.2%
6W7D8L
Top 3 wins
1.[W]vsPham Minh Hieu1,961·3rd An Giang Chess Tournament - Chess Star Cup 2026 - Championship Category·R5·+13.0
2.[W]vsThi Dieu Uyen VuWFM1,873·3rd An Giang Chess Tournament - Chess Star Cup 2026 - Championship Category·R7·+10.5
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Feb 2026 | 2.5/7 | #13 | 1665 | -34.0 |
Open Swiss | Feb 2026 | 4/7 | #5 | 1894 | +9.6 |
Open Swiss | Dec 2025 | 3/7 | #11 | 1751 | -54.0 |
Worst Elo result: 1st An Giang Chess Tournament - Chess Star Cup 2025 - Championship Category (-54.0 Elo, finished #11).
Rankings
/
Vietnam
#225
out of 2,028 players
Asia-Pacific
#8,455
in continent
World
#69,866
out of 400,000+
National ranking
Europe & World
Europe
World
Vietnam
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| 2 | 🇻🇳Follow Tuan Minh LeTrack their monthly FIDE ratings, games, tournaments and more. | 2,585 |
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| 5 | 🇻🇳Follow Pham Tran Gia PhucTrack their monthly FIDE ratings, games, tournaments and more. | 2,450 |
| 6 | 🇻🇳Follow Quoc Hy NguyenTrack their monthly FIDE ratings, games, tournaments and more. | 2,422 |
| 7 | 🇻🇳Follow Tuan Minh TranTrack their monthly FIDE ratings, games, tournaments and more. | 2,412 |
| 8 | 🇻🇳Follow Huynh Minh Huy NguyenTrack their monthly FIDE ratings, games, tournaments and more. | 2,410 |
| 9 | 🇻🇳Follow Nguyen Anh DungTrack their monthly FIDE ratings, games, tournaments and more. | 2,400 |
| 10 | 🇻🇳Follow Duc Hoa NguyenTrack their monthly FIDE ratings, games, tournaments and more. | 2,381 |
| ... | ||
| 225 | 1,821 | |
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 |
| ... | ||
| 8455 | 1,821 | |
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 |
| ... | ||
| 69866 | 1,821 | |