Format
KB
Kolodziejczyk, Boris
CM🇫🇷FIDE 651083248· Male· France· Born in 2014
Follow Boris KolodziejczykTrack his monthly FIDE ratings, games, tournaments and more.
Boris Kolodziejczyk, a 12-year-old French Candidate Master, is rated 2219 — his current career high and ranked 2nd among French players under 12, and in the top 3% worldwide. He has fluctuated between 1983 and 2219 over the past 2 years. 113 rated games in the past year (≈88/year long-term). Recent standard appearances include Championnat de France des Jeunes 2026 - U12, Team 2026 - IDF Avril, and XXXVIe Open du Perreux-sur-Marne 2026. Also played 6 rapid (including Les Internationaux de France Rapide 2025) and 5 blitz events (including Les Internationaux de France Blitz 2025) recently.
Awarded CM in 2024 (age 10). At junior level, he reached World #21 in U12, World #7 in U10 and World #32 in U8.
Current rating
2219
Standard
Rpd2241·Blz2109
All-time high
2219
at best
Jun 2026 · age 12
Jun 2026 · age 12
Activity
100
games / yr avg. · ≈8/mo
99 past 12 mo · ≈8/mo
classical only
Very active
classical only
Very active
Signature stat
#2
#2 · French players under 12 · of 978
Career timeline
15 entries2026
Re-crossed 2200
at age 12
Jun 2026
All-time peak 2219
at age 12
Jun 2026
Re-crossed 2100
at age 12
Feb 2026
2025
21st U12 player worldwide
at age 11 · rated 2207
Jun 2025
Crossed 2200
at age 11
Jun 2025
2024
7th U10 player worldwide
at age 10 · rated 2132
Dec 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+40
2179 → 2219
Tournaments
18
92 games
Score
59/ 9264.1%
44W30D18L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 8/9 | #2 | 2257 | +34.4 |
Team | Apr 2026 | 0.5/1 | #541 | 2006 | -7.6 |
Open Swiss | Mar 2026 | 3.5/4 | #5 | 2256 | +17.6 |
Team | Jan 2026 | 0.5/1 | #130 | 1848 | -12.4 |
Team | Jan 2026 | 3/4 | #35 | 2122 | +10.0 |
Open Swiss | Dec 2025 | 4.5/9 | #60 | 2159 | +33.2 |
Team | Dec 2025 | 0/1 | #289 | 1425 | -12.8 |
Team | Nov 2025 | 3/3 | #10 | 2684 | +22.4 |
Team | Nov 2025 | 1/2 | #154 | 2170 | +4.8 |
Open Swiss | Oct 2025 | 5.5/9 | #25 | 2052 | -44.0 |
Most-Played Opponents
vsAlexandre Kolodziejczyk
🇫🇷FRA·1877
+22 −0 =3
25 games·last met Apr 2026
View head-to-head →
vsIyad LandolsiCM
🇫🇷FRA·2302
+0 −5 =5
10 games·last met Apr 2026
View head-to-head →
vsRene Jacq
🇫🇷FRA·1872
+7 −3 =0
10 games·last met Oct 2025
View head-to-head →
vsCristiano Tieres
🇵🇹POR·1928
+3 −4 =0
7 games·last met Mar 2025
View head-to-head →
vsRemi Lesbats
🇫🇷FRA·1712
+4 −2 =1
7 games·last met Sep 2023
View head-to-head →
Rankings
/
France
#341
out of 24,627 players
Europe
#5,006
in continent
World
#7,209
out of 400,000+
National ranking
Europe & World
Europe
World
France
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Europe
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World
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