Format
RK
Rechtenberg, Karel
🇨🇿FIDE 341568· Male· Czech Republic· Born in 1947
Follow Karel RechtenbergTrack his monthly FIDE ratings, games, tournaments and more.
Karel Rechtenberg, a 79-year-old Czech player, is rated 1623. He has slipped back 112 Elo over the past 12 months. 28 rated games in the past year (≈20/year long-term). Recent standard appearances include Ostravsky konik 2026 C, MKSS - Okresni prebor druzstev F-M 2025-2026 r11, and MKSS - Krajska soutez B 2025-2026 r10-11. His peak of 2010 was reached at age 64 (Jul 2011).
Current rating
1623
Standard
Rpd1692·Blz1860
All-time high
2010
−387 pts below
Jul 2011 · age 64
Jul 2011 · age 64
Activity
17
games / yr avg. · ≈1/mo
19 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#138,253
#138,253 · players worldwide · of 218,279
Career timeline
13 entries2025
6-month rising streak
+31 Elo
Mar 2025
Best 12-month gain (+190 Elo)
1547 → 1737
Feb 2025
2018
93rd Czech 70-75 player
at age 71 · rated 1800
Mar 2018
Re-crossed 1800
at age 71
Feb 2018
2017
100 career games
at age 70
Jun 2017
Re-crossed 1800
at age 70
Mar 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-112
1735 → 1623
Tournaments
10
21 games
Score
6/ 2128.6%
4W4D13L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 3/7 | #57 | 1422 | -68.8 |
Team | Apr 2026 | 1/1 | #2 | 2517 | +11.0 |
Team | Mar 2026 | 0.5/1 | #92 | 1606 | -2.2 |
Team | Feb 2026 | 1/2 | #33 | 1649 | -2.6 |
Team | Jan 2026 | 0.5/2 | #36 | 1628 | -3.6 |
Team | Jan 2026 | 0/1 | #53 | 1231 | -2.4 |
Team | Dec 2025 | 0/1 | #52 | 1280 | -2.0 |
Team | Nov 2025 | 0/1 | #85 | 647 | -16.8 |
Team | Nov 2025 | 0/2 | #70 | 1017 | -15.0 |
Team | Oct 2025 | 0/1 | #35 | 964 | -9.2 |
Most-Played Opponents
vsRostislav Heczko
🇨🇿CZE·1944
+1 −4 =1
6 games·last met Nov 2025
View head-to-head →
vsJan Kotas
🇨🇿CZE·1827
+1 −0 =5
6 games·last met Nov 2019
View head-to-head →
vsZdenek Bok
🇨🇿CZE·1706
+3 −1 =1
5 games·last met Apr 2026
View head-to-head →
vsMilan Cubok
🇨🇿CZE·1826
+2 −1 =2
5 games·last met Feb 2025
View head-to-head →
vsJaroslav Machura
🇨🇿CZE·1518
+3 −1 =1
5 games·last met Apr 2023
View head-to-head →
Rankings
/
Czech Republic
#4,699
out of 6,361 players
Europe
#93,600
in continent
World
#138,245
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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