Format
ZG
Zajaczkowski, Gwidon
🇵🇱FIDE 1154567· Male· Poland· Born in 1959
Follow Gwidon ZajaczkowskiTrack his monthly FIDE ratings, games, tournaments and more.
Gwidon Zajaczkowski, a 67-year-old Polish player, is rated 1643. He has slipped back 83 Elo over the past 12 months. 43 rated games in the past year (≈11/year long-term). Recent standard appearances include Druzynowe Mistrzostwa Polski Niepelnosprawnych 2026, Dolnoslaskie Ligi Okregowe 2025-2026 - Gr. Wroclaw r 10-11, and Mistrzostwa Polski Niepelnosprawnych w Szachach 2026. He had 2 career breaks: 23 months (2012–2014) and 20 months (2021–2023). His peak of 1800 was reached at age 50 (Jan 2009).
Current rating
1643
Standard
Rpd1657·Blz1746
All-time high
1800
−157 pts below
Jan 2009 · age 50
Jan 2009 · age 50
Activity
26
games / yr avg. · ≈2/mo
43 past 12 mo · ≈4/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#130,811
#130,811 · players worldwide · of 218,279
Career timeline
12 entries2025
92nd Polish 65-70 player
at age 66 · rated 1726
Jun 2025
2024
Best 12-month gain (+196 Elo)
1524 → 1720
Mar 2024
Re-crossed 1600
at age 65
Mar 2024
2021
Inactive for 20 months
paused at 1524 → returned at 1562
Jul 2021
100 career games
at age 62
Jul 2021
2012
Inactive for 23 months
paused at 1660 → returned at 1659
May 2012
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-65
1708 → 1643
Tournaments
5
36 games
Score
11.5/ 3631.9%
8W7D21L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 2.5/6 | #62 | 1789 | -12.2 |
Team | Feb 2026 | 0/2 | #80 | 1122 | -7.4 |
Open Swiss | Jan 2026 | 3/8 | #53 | 1670 | +0.8 |
Swiss | Oct 2025 | 3.5/9 | #35 | 1612 | -18.8 |
Swiss | Sep 2025 | 2.5/9 | #39 | 1592 | -27.6 |
Rankings
/
Poland
#3,259
out of 10,822 players
Europe
#89,457
in continent
World
#130,805
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 3259 | 1,643 | |
Europe
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| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
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| ... | ||
| 89457 | 1,643 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
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| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 130805 | 1,643 | |