Format
MJ
Mietkiewicz, Jacek
🇵🇱FIDE 1191241· Male· Poland· Born in 2002
Follow Jacek MietkiewiczTrack his monthly FIDE ratings, games, tournaments and more.
Jacek Mietkiewicz, a 24-year-old Polish player, is rated 1947 — just 22 short of his peak of 1969 (Jan 2017, age 15). He is on a breakout run, having gained +116 Elo over the past 12 months. 24 rated games in the past year (≈25/year long-term). Recent standard appearances include KONIN MASTERS 2026 OPEN A, I Kujawski Integracyjny Festiwal Szachowy Feniksa - OPEN A., and 78 Otwarte Mistrzostwa Wojewodztwa Kujawsko-Pomorskiego w Szachach Klasycznych.. Also played 1 blitz event (including I Kujawski Integracyjny Festiwal Szachowy FENIKSA- I Otwarte Mistrzostwa Powiatu Inowroclawskiego w Szachach Blyskawicznych) recently. He had 3 career breaks: 21 months (2017–2019), 58 months (2019–2024, COVID-19 included) and 18 months (2024–2025).
At junior level, he reached #26, #19, #20 and #17 nationally in U16, U14, U12 and U10.
Current rating
1947
Standard
Rpd1858·Blz1845
All-time high
1969
−22 pts below
Jan 2017 · age 15
Jan 2017 · age 15
Activity
10
games / yr avg. · ≈1/mo
24 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#37,254
#37,254 · players worldwide · of 218,279
Career timeline
15 entries2024
Re-crossed 1800
at age 22
Mar 2024
Inactive for 18 months
paused at 1719 → returned at 1874
Jan 2024
2021
K-factor lowered to 20
at age 19
Jan 2021
2019
Inactive for 58 months
paused at 1691 → returned at 1719
Feb 2019
2017
Inactive for 21 months
paused at 1681 → returned at 1691
Apr 2017
26th Polish U16 player
at age 15 · rated 1969
Jan 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+116
1831 → 1947
Tournaments
4
24 games
Score
15/ 2462.5%
12W6D6L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 2.5/5 | #18 | 2108 | +18.8 |
Swiss | Mar 2026 | 3.5/5 | #8 | 2090 | +26.8 |
Open Swiss | Oct 2025 | 3/5 | #5 | 2089 | +26.6 |
Open Swiss | Jul 2025 | 6/9 | #4 | 2012 | +43.2 |
Hot streak: 4 tournaments without losing Elo.
Most-Played Opponents
vsJan Kukorowski
🇵🇱POL·1884
+6 −3 =2
11 games·last met Dec 2018
View head-to-head →
vsKamil Zurawski
🇵🇱POL·1825
+5 −2 =1
8 games·last met Aug 2016
View head-to-head →
vsHubert Niemier
🇵🇱POL·1903
+5 −3 =0
8 games·last met Jun 2016
View head-to-head →
vsMiroslaw Sobczak
🇵🇱POL·1790
+0 −6 =1
7 games·last met Jan 2016
View head-to-head →
vsOskar Dixa
🇵🇱POL·2093
+4 −3 =0
7 games·last met Dec 2015
View head-to-head →
Rankings
/
Poland
#964
out of 10,822 players
Europe
#27,538
in continent
World
#37,253
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 964 | 1,947 | |
Europe
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| 27538 | 1,947 | |
World
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| 37253 | 1,947 | |