Format
LK
Leht, Karl Samuel
🇪🇪FIDE 4520840· Male· Estonia· Born in 2013
Follow Karl Samuel LehtTrack his monthly FIDE ratings, games, tournaments and more.
Karl Samuel Leht, a 13-year-old Estonian player, is rated 1818. He has fluctuated between 1693 and 1879 over the past 2 years. 57 rated games in the past year (≈45/year long-term). Recent standard appearances include Estonian U16 Championship 2026, ChessMates XIII, and EST Championship 2026 Preliminary Tournament; U20; S50; S65 Championships. Also played 20 rapid (including XXXV Keres Memorial "Remembering Paul Keres" - Rapid Tournament) and 10 blitz events (including XXXV Keres Memorial "Remembering Paul Keres" - Blitz Tournament) recently. His peak of 1879 was reached at age 12 (Apr 2025, Estonian #71 at the time).
At junior level, he reached #1, #1 and #2 nationally in U14, U12 and U10.
Current rating
1818
Standard
Rpd1975·Blz2042
All-time high
1879
−61 pts below
Apr 2025 · age 12
Apr 2025 · age 12
Activity
47
games / yr avg. · ≈4/mo
57 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
#70,754
#70,754 · players worldwide · of 218,279
Career timeline
12 entries2026
Re-crossed 1800
at age 13
May 2026
Re-crossed 1800
at age 13
Mar 2026
1st Estonian U14 player
at age 13 · rated 1816
Jan 2026
2025
Peak Estonian rank: #71
at age 12 · rated 1879
Apr 2025
1st Estonian U12 player
at age 12 · rated 1879
Apr 2025
All-time peak 1879
at age 12 · −61 from today
Apr 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
-27
1845 → 1818
Tournaments
10
62 games
Score
33.5/ 6254.0%
28W11D23L
Top 3 wins
1.[W]vsOleg Nikulin2,005·EST Championship 2026 Preliminary Tournament; U20; S50; S65 Championships·R2·+30.8
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 5.5/6 | #3 | 2090 | +30.0 |
Team | Mar 2026 | 2/5 | #57 | 1887 | +20.8 |
Swiss | Mar 2026 | 2.5/6 | #47 | 1937 | -10.4 |
Swiss | Feb 2026 | 4.5/6 | #3 | 1737 | -42.8 |
Open Swiss | Feb 2026 | 2.5/5 | #18 | 2040 | +47.6 |
Swiss | Jan 2026 | 4/4 | #9 | 2355 | -47.2 |
Knockout | Dec 2025 | 0/2 | R16 | 1671 | -6.4 |
Open Swiss | Oct 2025 | 3/8 | #100 | 1799 | -28.4 |
Most-Played Opponents
vsKristofer Kais
🇪🇪EST·1887
+7 −15 =9
31 games·last met Feb 2026
View head-to-head →
vsIllia Voropaiev
🇺🇦UKR·1792
+9 −7 =3
19 games·last met May 2026
View head-to-head →
vsAndrii Pechonkin
🇪🇪EST·1602
+6 −12 =1
19 games·last met Apr 2026
View head-to-head →
vsKaarel Kais
🇪🇪EST·1694
+6 −6 =6
18 games·last met Jan 2026
View head-to-head →
vsMart Mattias Alas
🇪🇪EST·1682
+9 −3 =4
16 games·last met Jul 2025
View head-to-head →
Rankings
/
Estonia
#73
out of 602 players
Europe
#51,410
in continent
World
#70,753
out of 400,000+
National ranking
Europe & World
Europe
World
Estonia
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Europe
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World
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