Format
MJ
Mazus, Jakub
🇵🇱FIDE 21888450· Male· Poland· Born in 2006
Follow Jakub MazusTrack his monthly FIDE ratings, games, tournaments and more.
Jakub Mazus, a 20-year-old Polish player, is rated 1874. He has held steady between 1850 and 1900 for 16 months. 26 rated games in the past year (≈35/year long-term). Recent standard appearances include XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa B, DRUZYNOWE MISTRZOSTWA POLSKI II LIGA 2025, and XVII Miedzynarodowy Turniej Szachowy im. Jana Zukertorta. Also played 2 rapid (including Zamosc Chess Cup 2025) and 1 blitz events (including Druzynowe Mistrzostwa Polski w Szachach Blyskawicznych 2025) recently. His peak of 1909 was reached at age 18 (Sep 2024).
At junior level, he reached #83 and #89 nationally in U20 and U18.
Current rating
1874
Standard
Rpd1874·Blz1732
All-time high
1909
−35 pts below
Sep 2024 · age 18
Sep 2024 · age 18
Activity
49
games / yr avg. · ≈4/mo
26 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#54,768
#54,768 · players worldwide · of 216,808
Career timeline
8 entries2025
83rd Polish U20 player
at age 19 · rated 1909
Jan 2025
K-factor lowered to 20
at age 19
Jan 2025
2024
Best 12-month gain (+367 Elo)
1542 → 1909
Dec 2024
89th Polish U18 player
at age 18 · rated 1909
Sep 2024
All-time peak 1909
at age 18 · −35 from today
Sep 2024
Crossed 1800
at age 18
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Best result
XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa Bperf 1940 (+66) · 4.5/9 · #84
Top opponent
Evolution
-1
1875 → 1874
Tournaments
3
26 games
Score
12/ 2646.2%
7W10D9L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 4.5/9 | #84 | 1940 | +21.2 |
Open Swiss | Aug 2025 | 4.5/9 | #150 | 1860 | -4.0 |
Round-Robin | Aug 2025 | 3/8 | #9 | 1800 | -17.6 |
Worst Elo result: XVII Miedzynarodowy Turniej Szachowy im. Jana Zukertorta (-17.6 Elo, finished #9).
Rankings
/
Poland
#1,358
out of 10,756 players
Europe
#40,182
in continent
World
#54,768
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 1358 | 1,874 | |
Europe
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| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
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| ... | ||
| 40182 | 1,874 | |
World
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| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
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| ... | ||
| 54768 | 1,874 | |