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Diaconu, Costin-Silviu

🇷🇴

FIDEFIDE 42225035· Male· Romania· Born in 2012

Follow Costin-Silviu DiaconuTrack his monthly FIDE ratings, games, tournaments and more.

Costin-Silviu Diaconu, a 14-year-old Romanian player, is rated 1562 — just 24 short of his peak of 1586 (Jan 2026, age 14). He plays occasionally (9 games in the last 12 months). Recent appearances: National School Contest "Elisabeta Polihroniade" 2026 Open 15 and Gerard Cup - 6th ed.. Also played 3 rapid (including Romania Grand Prix 2025 - 1st stage) and 1 blitz events (including Summer Cup Pitesti - blitz open) recently.

At junior level, he reached #85 nationally in U14.

Current rating

1562

Standard

Rpd1448·Blz1544

All-time high

1586

−24 pts below
Jan 2026 · age 14

Activity

7

games / yr avg. · ≈1/mo

9 past 12 mo · ≈1/mo
classical only
Occasional

Signature stat

#160,800

#160,800 · players worldwide · of 216,808

Career timeline

6 entries
2026
85th Romanian U14 player
at age 14 · rated 1586
Jan 2026
All-time peak 1586
at age 14 · −24 from today
Jan 2026
2025
Crossed 1500
at age 13
Feb 2025
Crossed 1400
at age 13
Feb 2025
Crossed 1200
at age 13
Feb 2025
First FIDE rating
1560 · at age 13
Feb 2025

Standard rating history

Last 12 months — activity & highlights

Best result
National School Contest "Elisabeta Polihroniade" 2026 Open 15
perf 1638 (+75) · 3/6 · #17
Top opponent
vs Erick Popescu 1,719
National School Contest "Elisabeta Polihroniade" 2026 Open 15 · Jan 2026 · +28.4 Elo
Evolution
+1
1561 → 1562
Tournaments
2
11 games
Score
6/ 1154.5%
6W0D5L

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
National School Contest "Elisabeta Polihroniade" 2026 Open 15
Swiss
Jan 20263/6#171638-23.6
Gerard Cup - 6th ed.
Swiss
Dec 20253/3#102404+27.2
Worst Elo result: National School Contest "Elisabeta Polihroniade" 2026 Open 15 (-23.6 Elo, finished #17).

Rankings

/
Romania
#1,481
out of 2,757 players
Europe
#105,373
in continent
World
#160,782
out of 400,000+

National ranking

Europe & World

Europe
World
Romania
1
🇷🇴Deac, Bogdan-DanielFollow Bogdan-Daniel DeacTrack their monthly FIDE ratings, games, tournaments and more.
2,650
2
🇷🇴Nisipeanu, Liviu-DieterFollow Liviu-Dieter NisipeanuTrack their monthly FIDE ratings, games, tournaments and more.
2,582
3
🇷🇴Lupulescu, ConstantinFollow Constantin LupulescuTrack their monthly FIDE ratings, games, tournaments and more.
2,577
4
🇷🇴Motylev, AlexanderFollow Alexander MotylevTrack their monthly FIDE ratings, games, tournaments and more.
2,550
5
🇷🇴Gavrilescu, DavidFollow David GavrilescuTrack their monthly FIDE ratings, games, tournaments and more.
2,545
6
🇷🇴Nanu, Costica-CiprianFollow Costica-Ciprian NanuTrack their monthly FIDE ratings, games, tournaments and more.
2,517
7
🇷🇴Parligras, Mircea-EmilianFollow Mircea-Emilian ParligrasTrack their monthly FIDE ratings, games, tournaments and more.
2,507
8
🇷🇴Magold, FilipFollow Filip MagoldTrack their monthly FIDE ratings, games, tournaments and more.
2,501
9
🇷🇴Ilinca, Felix-AntonioFollow Felix-Antonio IlincaTrack their monthly FIDE ratings, games, tournaments and more.
2,486
10
🇷🇴Miron, Lucian-CostinFollow Lucian-Costin MironTrack their monthly FIDE ratings, games, tournaments and more.
2,484
...
1481🇷🇴Diaconu, Costin-Silviu1,562
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
105373🇷🇴Diaconu, Costin-Silviu1,562
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
160782🇷🇴Diaconu, Costin-Silviu1,562