Format
MC
Marchidan, Costica
🇷🇴FIDE 1222481· Male· Romania· Born in 1983
Follow Costica MarchidanTrack his monthly FIDE ratings, games, tournaments and more.
Costica Marchidan, a 43-year-old Romanian player, is rated 1749. He has slipped back 31 Elo over the past 12 months. 51 rated games in the past year (≈36/year long-term). Recent standard appearances include Ploiesti Chess Championship 2026, Sasomi Open - 4th ed., and Bucharest Chess Weekend 64th ed.. Also played 2 rapid events (including Union Cup Buzau - 18th ed.) recently. His peak of 1834 was reached at age 35 (Oct 2018).
Current rating
1749
Standard
Rpd1704·Blz1820
All-time high
1834
−85 pts below
Oct 2018 · age 35
Oct 2018 · age 35
Activity
38
games / yr avg. · ≈3/mo
51 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#92,871
#92,871 · players worldwide · of 218,279
Career timeline
15 entries2024
52nd Romanian 40-45 player
at age 41 · rated 1814
Oct 2024
Re-crossed 1800
at age 41
Oct 2024
Best 12-month gain (+242 Elo)
1544 → 1786
Aug 2024
2023
Re-crossed 1600
at age 40
Nov 2023
500 career games
at age 40
Nov 2023
2022
Re-crossed 1600
at age 39
Nov 2022
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-31
1780 → 1749
Tournaments
8
54 games
Score
29/ 5453.7%
25W8D21L
Top 3 wins
1.[W]vsCiprian-Iulian Strete1,851·Romania National Championship 2025 for visual disabled players·R4·+12.8
Top 3 losses
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 3/5 | #19 | 1678 | -7.0 |
Open Swiss | May 2026 | 3/5 | #17 | 1778 | +4.2 |
Swiss | Apr 2026 | 4/5 | #19 | 1940 | +3.8 |
Open Swiss | Feb 2026 | 3.5/8 | #183 | 1744 | -4.2 |
Open Swiss | Dec 2025 | 3/6 | #30 | 1767 | 0.0 |
Swiss | Nov 2025 | 3/6 | #17 | 1735 | -6.2 |
Swiss | Jul 2025 | 5/9 | #15 | 1838 | +15.0 |
Open Swiss | Jun 2025 | 4.5/9 | #28 | 1654 | -36.6 |
Most-Played Opponents
vsVasile Carapit
🇷🇴ROU·1814
+3 −5 =10
18 games·last met Jul 2025
View head-to-head →
vsMihai Dima
🇷🇴ROU·1985
+2 −6 =6
14 games·last met Aug 2024
View head-to-head →
vsMihai Nistor
🇷🇴ROU·1951
+0 −7 =7
14 games·last met Jan 2020
View head-to-head →
vsCiprian-Iulian Strete
🇷🇴ROU·1857
+4 −6 =2
12 games·last met Mar 2026
View head-to-head →
vsGheorghe Bratu
🇷🇴ROU·1867
+4 −1 =7
12 games·last met Mar 2025
View head-to-head →
Rankings
/
Romania
#776
out of 2,776 players
Europe
#66,316
in continent
World
#92,869
out of 400,000+
National ranking
Europe & World
Europe
World
Romania
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Europe
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World
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