Format
DM
Derejczyk, Mateusz
🇵🇱FIDE 21004188· Male· Poland· Born in 2008
Follow Mateusz DerejczykTrack his monthly FIDE ratings, games, tournaments and more.
Mateusz Derejczyk, a 18-year-old Polish player, is rated 1940. He has slipped back 70 Elo over the past 12 months. 57 rated games in the past year (≈31/year long-term). Recent standard appearances include KONIN MASTERS 2026 OPEN A, DRUZYNOWE MISTRZOSTWA POLSKI II LIGA 2025, and 61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN. Also played 10 rapid (including Mistrzostwa Polski w Szachach Szybkich 2025) and 4 blitz events (including 61st International Akiba Rubinstein Chess Festival - opening Blitz) recently. His peak of 2069 was reached at age 17 (Sep 2025).
At junior level, he reached #48, #57, #46 and #51 nationally in U18, U16, U14 and U12.
Current rating
1940
Standard
Rpd2103·Blz1984
All-time high
2069
−129 pts below
Sep 2025 · age 17
Sep 2025 · age 17
Activity
35
games / yr avg. · ≈3/mo
38 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#38,760
#38,760 · players worldwide · of 218,279
Career timeline
10 entries2025
48th Polish U18 player
at age 17 · rated 2069
Sep 2025
All-time peak 2069
at age 17 · −129 from today
Sep 2025
Crossed 2000
at age 17
Jun 2025
2024
Best 12-month gain (+350 Elo)
1594 → 1944
Dec 2024
57th Polish U16 player
at age 16 · rated 1941
Sep 2024
Crossed 1800
at age 16
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-70
2010 → 1940
Tournaments
5
50 games
Score
18/ 5036.0%
21W9D20L
Top 3 wins
1.[W]vsMarcel KutowskiFM2,282·61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN·R1·+30.9
3.[W]vsLeonard Lecki2,223·61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN·R5·+28.3
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 3/7 | #52 | 1857 | -52.0 |
Swiss | Mar 2026 | 4/5 | #3 | 2101 | +38.0 |
Open Swiss | Aug 2025 | 3.5/9 | #211 | 1794 | -116.4 |
Open Swiss | Aug 2025 | 4/9 | #57 | 2103 | +25.6 |
Open Swiss | Jun 2025 | 3.5/8 | #66 | 2095 | +34.4 |
Most-Played Opponents
vsAndrzej Zeissel
🇵🇱POL·2097
+4 −7 =4
15 games·last met Sep 2025
View head-to-head →
vsTymoteusz HuryCM
🇵🇱POL·2103
+7 −4 =3
14 games·last met May 2026
View head-to-head →
vsMikolaj GbiorczykCM
🇵🇱POL·2147
+4 −7 =2
13 games·last met Jan 2025
View head-to-head →
vsPiotr ZarebaCM
🇵🇱POL·2237
+3 −7 =2
12 games·last met Feb 2026
View head-to-head →
vsRafal SzyszyloCM
🇵🇱POL·2156
+4 −7 =1
12 games·last met Nov 2025
View head-to-head →
Rankings
/
Poland
#997
out of 10,822 players
Europe
#28,629
in continent
World
#38,759
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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World
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