Format
OM
Oslej, Marek
🇸🇰FIDE 73613770· Male· Slovakia· Born in 2007
Follow Marek OslejTrack his monthly FIDE ratings, games, tournaments and more.
Marek Oslej, a 19-year-old Slovak player, is rated 1928. He is on a steady climb with +23 Elo over the past 12 months. 37 rated games in the past year (≈14/year long-term). Recent standard appearances include Majstrovstva Slovenska 2026 - kategoria C20, 2. liga A 2025 2026 R10-11, and 4. liga A21 2025 2026 R10-11. He took a 26-month break between Mar 2020 and Jun 2022 (COVID-19 included). His peak of 1980 was reached at age 18 (Feb 2025).
At junior level, he reached #40, #22, #45, #63 and #36 nationally in U20, U18, U16, U14 and U12.
Current rating
1928
Standard
Rpd1555·Blz—
All-time high
1980
−52 pts below
Feb 2025 · age 18
Feb 2025 · age 18
Activity
36
games / yr avg. · ≈3/mo
28 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#41,419
#41,419 · players worldwide · of 218,279
Career timeline
13 entries2026
40th Slovak U20 player
at age 19 · rated 1940
Mar 2026
K-factor lowered to 20
at age 19
Jan 2026
2025
100 career games
at age 18
May 2025
22nd Slovak U18 player
at age 18 · rated 1980
Feb 2025
All-time peak 1980
at age 18 · −52 from today
Feb 2025
2024
7-month rising streak
+270 Elo
May 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
+23
1905 → 1928
Tournaments
14
29 games
Score
15/ 2951.7%
12W8D9L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
14 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 4.5/9 | #7 | 1918 | -1.4 |
Team | Mar 2026 | 0.5/2 | #97 | 1814 | -6.4 |
Team | Mar 2026 | 0/1 | #62 | 1154 | -9.6 |
Team | Mar 2026 | 2/3 | #19 | 1996 | +5.4 |
Team | Feb 2026 | 1/1 | #17 | 2709 | +10.0 |
Team | Feb 2026 | 1.5/2 | #13 | 2310 | +20.4 |
Team | Feb 2026 | 0.5/1 | #80 | 1902 | -0.2 |
Team | Jan 2026 | 0.5/1 | #56 | 1884 | -0.2 |
Team | Jan 2026 | 2/2 | #3 | 2703 | +20.6 |
Team | Dec 2025 | 0/1 | #75 | 1207 | -15.2 |
Rankings
/
Slovakia
#708
out of 3,199 players
Europe
#30,580
in continent
World
#41,418
out of 400,000+
National ranking
Europe & World
Europe
World
Slovakia
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