Format
MI
Maciejewski, Iwo
🇵🇱FIDE 21093130· Male· Poland· Born in 2013
Follow Iwo MaciejewskiTrack his monthly FIDE ratings, games, tournaments and more.
Iwo Maciejewski, a 13-year-old Polish player, is rated 1621. He has fluctuated between 1539 and 1670 over the past 2 years. 32 rated games in the past year (≈31/year long-term). Recent standard appearances include III Wielkopolska Liga Juniorow 2026 Round 5-9, III Wielkopolska Liga Juniorow 2026 Round 1-4, and Miedzynarodowy Turniej Szachowy o korone Boleslawa Chrobrego - OPEN B.. Also played 2 rapid (including Mistrzostwa Polski Juniorow w Szachach Szybkich 2025 - grupa C12) and 3 blitz events (including Mistrzostwa Polski Juniorow w Szachach Blyskawicznych 2025 - grupa C12) recently. His peak of 1670 was reached at age 12 (Mar 2025).
At junior level, he reached #48, #28 and #18 nationally in U12, U10 and U8.
Current rating
1621
Standard
Rpd1658·Blz1752
All-time high
1670
−49 pts below
Mar 2025 · age 12
Mar 2025 · age 12
Activity
31
games / yr avg. · ≈3/mo
32 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#139,001
#139,001 · players worldwide · of 218,279
Career timeline
11 entries2026
Re-crossed 1600
at age 13
Jun 2026
2025
48th Polish U12 player
at age 12 · rated 1670
Mar 2025
All-time peak 1670
at age 12 · −49 from today
Mar 2025
100 career games
at age 12
Mar 2025
2024
Crossed 1600
at age 11
Dec 2024
Best 12-month gain (+440 Elo)
1106 → 1546
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
-9
1630 → 1621
Tournaments
5
32 games
Score
19.5/ 3260.9%
18W3D11L
Top 3 wins
Top 3 losses
2.[L]vsWitold Raburski1,465·Miedzynarodowy Turniej Szachowy o korone Boleslawa Chrobrego - OPEN B.·R5·-26.8
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | May 2026 | 7/3 | #1 | 2352 | +58.4 |
Round-Robin | Mar 2026 | 2.5/5 | #9 | 1615 | +15.2 |
Round-Robin | Feb 2026 | 2/3 | #32 | 1667 | -27.2 |
Open Swiss | Nov 2025 | 4.5/4 | #18 | 2413 | -15.2 |
Swiss | Sep 2025 | 3.5/9 | #16 | 1527 | -66.4 |
Most-Played Opponents
vsJan Szeszycki
🇵🇱POL·1977
+2 −5 =4
11 games·last met Nov 2025
View head-to-head →
vsMichal Gorecki
🇵🇱POL·1841
+0 −11 =0
11 games·last met Nov 2025
View head-to-head →
vsOlaf Siwek
🇵🇱POL·1669
+3 −4 =0
7 games·last met Sep 2025
View head-to-head →
vsFranciszek Blochowiak
🇵🇱POL·1441
+5 −1 =0
6 games·last met Nov 2025
View head-to-head →
vsKacper Kilarski
🇵🇱POL·1875
+2 −3 =1
6 games·last met Nov 2025
View head-to-head →
Rankings
/
Poland
#3,513
out of 10,822 players
Europe
#94,016
in continent
World
#138,993
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 3513 | 1,621 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
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| ... | ||
| 94016 | 1,621 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
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| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
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| ... | ||
| 138993 | 1,621 | |