Format
DK
Dec, Kazimierz
🇵🇱FIDE 1126946· Male· Poland· Born in 1960
Follow Kazimierz DecTrack his monthly FIDE ratings, games, tournaments and more.
Kazimierz Dec, a 66-year-old Polish player, is rated 1547. He has fluctuated between 1547 and 1623 over the past 2 years. 13 rated games in the past year (≈15/year long-term). Recent appearances: Miedzynarodowy Turniej Szachowy Cztery Pory Roku - edycja Wiosenna 2026 - grupa A and VI SZACHOWE MISTRZOSTWA SENIOROW PANSTW GRUPY WYSZEHRADZKIEJ NA ROK 2026. Also played 8 rapid (including XV MTSz o Puchar Burmistrza Sedziszowa Malopolskiego - Grupa OPEN) and 5 blitz events (including Mistrzostwa Miasta Debicy w Szachach Szybkich i Blyskawicznych - grupa OPEN BLITZ) recently. He had 3 career breaks: 35 months (2005–2008), 63 months (2008–2014) and 17 months (2021–2023). His peak of 1989 was reached at age 45 (Apr 2005).
Current rating
1547
Standard
Rpd1615·Blz1612
All-time high
1989
−442 pts below
Apr 2005 · age 45
Apr 2005 · age 45
Activity
18
games / yr avg. · ≈2/mo
13 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#167,454
#167,454 · players worldwide · of 218,279
Career timeline
9 entries2024
Best 12-month gain (+280 Elo)
1343 → 1623
May 2024
2021
Inactive for 17 months
paused at 1369 → returned at 1343
Sep 2021
2017
100 career games
at age 57
Mar 2017
2014
K-factor lowered to 15
at age 54
Feb 2014
2008
Inactive for 63 months
paused at 1816 → returned at 1692
Oct 2008
2005
All-time peak 1989
at age 45 · −442 from today
Apr 2005
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-13
1560 → 1547
Tournaments
2
21 games
Score
5/ 2123.8%
8W4D9L
Top 3 wins
1.[W]vsLech Karczynski1,648·VI SZACHOWE MISTRZOSTWA SENIOROW PANSTW GRUPY WYSZEHRADZKIEJ NA ROK 2026·R7·+12.8
2.[W]vsAdam Borowski1,616·VI SZACHOWE MISTRZOSTWA SENIOROW PANSTW GRUPY WYSZEHRADZKIEJ NA ROK 2026·R5·+12.0
Top 3 losses
1.[L]vsNikodem Mikula1,437·Miedzynarodowy Turniej Szachowy Cztery Pory Roku - edycja Wiosenna 2026 - grupa A·R5·-13.1
2.[L]vsTymoteusz Kaplon1,523·XXXVI MIEDZYNARODOWE SZACHOWE MISTRZOSTWA MALOPOLSKI - Grupa C·R7·-10.7
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 1.5/4 | #33 | 1498 | -17.8 |
Open Swiss | Mar 2026 | 3.5/9 | #118 | 1588 | +5.0 |
Worst Elo result: Miedzynarodowy Turniej Szachowy Cztery Pory Roku - edycja Wiosenna 2026 - grupa A (-17.8 Elo, finished #33).
Most-Played Opponents
vsJanusz Dyrkacz
🇵🇱POL·1670
+1 −2 =3
6 games·last met Jun 2026
View head-to-head →
vsArtur Chowaniec
🇵🇱POL·1645
+1 −5 =0
6 games·last met Dec 2024
View head-to-head →
vsWieslaw Bieniasz
🇵🇱POL
+1 −0 =4
5 games·last met May 2026
View head-to-head →
vsTadeusz Zakorczmenny
🇵🇱POL·1752
+1 −1 =3
5 games·last met Apr 2025
View head-to-head →
vsMateusz KusiakCM
🇵🇱POL·2063
+1 −4 =0
5 games·last met Feb 2023
View head-to-head →
Rankings
/
Poland
#4,573
out of 10,822 players
Europe
#108,743
in continent
World
#167,432
out of 400,000+
National ranking
Europe & World
Europe
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Poland
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