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 1563. He has slipped back 44 Elo over the past 12 months. 29 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 3 rapid (including 55. Miedzynarodowy Turniej Szachowy o Puchar Prezydenta Miasta Gniezna) 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
1563
Standard
Rpd1658·Blz1752
All-time high
1670
−107 pts below
Mar 2025 · age 12
Mar 2025 · age 12
Activity
31
games / yr avg. · ≈3/mo
29 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#160,410
#160,410 · players worldwide · of 216,808
Career timeline
10 entries2025
48th Polish U12 player
at age 12 · rated 1670
Mar 2025
All-time peak 1670
at age 12 · −107 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
Crossed 1500
at age 11
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Best result
Mistrzostwa Wielkopolski Juniorow w szachach klasycznych 2025 [GRUPA C13] chlopcy ur. 2012-2013perf 2418 (+788) · 6/6 · #8
Top opponent
Evolution
-44
1607 → 1563
Tournaments
5
34 games
Score
18.5/ 3454.4%
16W5D13L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
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 |
Open Swiss | Jun 2025 | 6/6 | #8 | 2418 | +51.6 |
Rankings
/
Poland
#4,280
out of 10,756 players
Europe
#105,180
in continent
World
#160,392
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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| 105180 | 1,563 | |
World
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| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
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| ... | ||
| 160392 | 1,563 | |