Format
BB
Baidar, Buyandelger
🇲🇳FIDE 4928016· Male· Mongolia· Born in 2011
Follow Buyandelger BaidarTrack his monthly FIDE ratings, games, tournaments and more.
Buyandelger Baidar, a 15-year-old Mongolian player, is rated 1840 — just 26 short of his peak of 1866 (Dec 2025, age 14). He is on a breakout run, having gained +80 Elo over the past 12 months. 45 rated games in the past year (≈27/year long-term). Recent standard appearances include Hong Kong International Open 2025, FIDE World Amateur Chess Championships 2025 - U2000, and 19th Asian Schools Chess Championships 2025 - U15. Also played 3 rapid (including Mongolian Rapid Chess Championship 2025 Open) and 3 blitz events (including Mongolian Blitz Chess Championship 2025 Open) recently.
At junior level, he reached #15 and #12 nationally in U16 and U14.
Current rating
1840
Standard
Rpd1607·Blz1582
All-time high
1866
−26 pts below
Dec 2025 · age 14
Dec 2025 · age 14
Activity
26
games / yr avg. · ≈2/mo
45 past 12 mo · ≈4/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#64,208
#64,208 · players worldwide · of 216,808
Career timeline
7 entries2026
15th Mongolian U16 player
at age 15 · rated 1840
Jan 2026
2025
12th Mongolian U14 player
at age 14 · rated 1866
Dec 2025
Best 12-month gain (+106 Elo)
1760 → 1866
Dec 2025
Crossed 1800
at age 14
Dec 2025
All-time peak 1866
at age 14 · −26 from today
Dec 2025
Crossed 1600
at age 14
Jun 2025
Standard rating history
Last 12 months — activity & highlights
Evolution
+80
1760 → 1840
Tournaments
6
63 games
Score
27.5/ 6343.7%
26W13D24L
Top 3 wins
Top 3 losses
1.[L]vsAriunbuyan Ariunbadrakh1,623·Mongolian National Chess Championship-2026 (Semifinal) Open·R7·-31.1
2.[L]vsSanjaanamdag Munkh-Erdene1,662·Mongolian National Chess Championship-2026 (Semifinal) Open·R5·-29.4
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 2.5/9 | #113 | 1818 | -25.6 |
Open Swiss | Nov 2025 | 5.5/9 | #23 | 2000 | +149.2 |
Open Swiss | Oct 2025 | 4.5/7 | #26 | 1966 | +42.0 |
Open Swiss | Oct 2025 | 5.5/5 | #23 | 2415 | +7.2 |
Open Swiss | Jul 2025 | 4/4 | #55 | 2501 | -91.6 |
Worst Elo result: 9th Eastern Asia Youth Chess Championships 2025 Standard-U14 (-91.6 Elo, finished #55).
Rankings
/
Mongolia
#128
out of 533 players
Asia-Pacific
#7,674
in continent
World
#64,208
out of 400,000+
National ranking
Europe & World
Europe
World
Mongolia
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| ... | ||
| 128 | 1,840 | |
Asia-Pacific
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| ... | ||
| 7674 | 1,840 | |
World
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| ... | ||
| 64208 | 1,840 | |