Format
ZB
Zajkowski, Bartosz
🇵🇱FIDE 91139813· Male· Poland· Born in 2015
Follow Bartosz ZajkowskiTrack his monthly FIDE ratings, games, tournaments and more.
Bartosz Zajkowski, a 11-year-old Polish player, is rated 1659 — his current career high. He is on a steady climb with +62 Elo over the past 12 months. 97 rated games in the past year (≈53/year long-term). Recent standard appearances include Droga do Mistrzostwa - FIDE Open - April 2026, VI Turniej o puchar Twierdzy Mokotow FIDE, and V Turniej o puchar "Twierdzy Mokotow" FIDE (1.msc 1000 zlotych). Also played 6 rapid (including Otwarte Mistrzostwa Pruszkowa w szachach szybkich 2026 Grupa A) and 4 blitz events (including Turniej z okazji Dnia Niepodleglosci o Puchar Prezydenta Miasta Skierniewice OPEN) recently.
At junior level, he reached #62 and #19 nationally in U12 and U10.
Current rating
1659
Standard
Rpd1676·Blz1680
All-time high
1659
at best
Jun 2026 · age 11
Jun 2026 · age 11
Activity
51
games / yr avg. · ≈4/mo
94 past 12 mo · ≈8/mo
classical only
Active
classical only
Active
Signature stat
#124,873
#124,873 · players worldwide · of 218,279
Career timeline
11 entries2026
Best 12-month gain (+62 Elo)
1597 → 1659
Jun 2026
All-time peak 1659
at age 11
Jun 2026
100 career games
at age 11
Jun 2026
62nd Polish U12 player
at age 11 · rated 1657
Mar 2026
Re-crossed 1600
at age 11
Jan 2026
Re-crossed 1500
at age 11
Jan 2026
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best result
Miedzynarodowa Olimpiada Dzieci i Mlodzikow do lat 11 lat w Szachach Klasycznych 2026perf 2016 (+357) · 6.5/7 · #2
Top opponent
Evolution
+121
1538 → 1659
Tournaments
17
121 games
Score
68.5/ 12156.6%
48W41D32L
Top 3 wins
Top 3 losses
1.[L]vsPiotr Kucharski1,567·Turniej FIDE w Ursusie do 2399 Elo o Puchar Burmistrza Ursusa B1 2026·R2·-25.1
2.[L]vsKrzysztof Pawlak1,562·V Turniej o puchar "Twierdzy Mokotow" FIDE (1.msc 1000 zlotych)·R2·-24.4
Last 12 months — tournaments
12 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 6.5/7 | #2 | 2016 | +37.6 |
Open Swiss | Apr 2026 | 2.5/2 | #25 | 2384 | -25.6 |
Swiss | Apr 2026 | 2/5 | #25 | 1699 | +12.8 |
Swiss | Mar 2026 | 2/4 | #24 | 1688 | -17.6 |
Swiss | Feb 2026 | 3/5 | #13 | 1603 | -10.4 |
Open Swiss | Feb 2026 | 6/8 | #14 | 1784 | +18.4 |
Swiss | Jan 2026 | 2.5/5 | #11 | 1739 | +34.4 |
Swiss | Dec 2025 | 3/5 | #11 | 1803 | +84.0 |
Open Swiss | Dec 2025 | 6/8 | #3 | 1751 | +83.6 |
Swiss | Nov 2025 | 3/7 | #39 | 1485 | -82.4 |
Most-Played Opponents
vsIgnacy Kaniewski
🇵🇱POL·1690
+2 −6 =3
11 games·last met Dec 2025
View head-to-head →
vsIgnacy Grzegory
🇵🇱POL·1496
+6 −2 =1
9 games·last met Oct 2025
View head-to-head →
vsWladyslaw Swiderski
🇵🇱POL·1441
+6 −1 =0
7 games·last met May 2026
View head-to-head →
vsAntoni Niewiadomski
🇵🇱POL·1539
+2 −2 =2
6 games·last met Apr 2026
View head-to-head →
vsKsawery Zaloba
🇵🇱POL·1474
+3 −2 =1
6 games·last met Feb 2026
View head-to-head →
Rankings
/
Poland
#3,079
out of 10,822 players
Europe
#86,081
in continent
World
#124,867
out of 400,000+
National ranking
Europe & World
Europe
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