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Kostov, Rubin

🇸🇰

FIDEFIDE 14989000· Male· Slovakia· Born in 2011

Follow Rubin KostovTrack his monthly FIDE ratings, games, tournaments and more.

Rubin Kostov, a 15-year-old Slovak player, is rated 1660. He is on a breakout run, having gained +81 Elo over the past 12 months. 39 rated games in the past year (≈30/year long-term). Recent standard appearances include Majstrovstva Slovenska 2026 - kategoria C16, 5. liga A22 2025 2026 R10-11, and 3. liga A2 2025 2026 R9-11. Also played 4 rapid events (including 6.rocnik Hodoveho sachoveho turnaja Cifer) recently. His peak of 1719 was reached at age 15 (Feb 2026).

At junior level, he reached #52 and #47 nationally in U16 and U14.

Current rating

1660

Standard

Rpd1723·Blz1616

All-time high

1719

−59 pts below
Feb 2026 · age 15

Activity

29

games / yr avg. · ≈2/mo

39 past 12 mo · ≈3/mo
classical only
Moderately active

Signature stat

#124,027

#124,027 · players worldwide · of 216,808

Career timeline

9 entries
2026
52nd Slovak U16 player
at age 15 · rated 1719
Feb 2026
All-time peak 1719
at age 15 · −59 from today
Feb 2026
2025
47th Slovak U14 player
at age 14 · rated 1662
Dec 2025
Best 12-month gain (+220 Elo)
1403 → 1623
Jul 2025
7-month rising streak
+113 Elo
Jul 2025
Crossed 1600
at age 14
Jun 2025

Standard rating history

Last 12 months — activity & highlights

Best result
Majstrovstva Slovenska 2025 - kategoria C14
perf 1814 (+193) · 4/7 · #32
Top opponent
vs Simon MatejkaCM 1,942
Majstrovstva Slovenska 2025 - kategoria C14 · May 2025 · +14.6 Elo
Evolution
+39
1621 → 1660
Tournaments
16
45 games
Score
21/ 4546.7%
13W18D14L
Top 3 wins
1.[W]vsVince Vegh1,925·4. liga A22 2025 2026 R5·R5·+31.6
2.[W]vsZsofia Bolla1,772·European Union Youth Championship 2025 - U14·R3·+28.5
3.[W]vsPeter Smrek1,854·5. liga A22 2025 2026 R9·R9·+28.2

Last 12 months — tournaments

top 10 of 16
EventDateScoreRankPerfΔ Elo
Majstrovstva Slovenska 2026 - kategoria C16
Open Swiss
Apr 20263.5/9#401637-31.2
5. liga A22 2025 2026 R10-11
Team
Mar 20260/1#58838-22.0
3. liga A2 2025 2026 R9-11
Team
Mar 20261/2#481760+9.2
5. liga A22 2025 2026 R9
Team
Feb 20261/1#22654+28.0
4. liga A22 2025 2026 R8-9
Team
Feb 20261/1#782582-15.6
Worst Elo result: European Union Youth Championship 2025 - U14 (-34.4 Elo, finished #22).

Rankings

/
Slovakia
#2,158
out of 3,170 players
Europe
#85,588
in continent
World
#124,021
out of 400,000+

National ranking

Europe & World

Europe
World
Slovakia
1
🇸🇰Michalik, PeterFollow Peter MichalikTrack their monthly FIDE ratings, games, tournaments and more.
2,540
2
🇸🇰Pechac, JergusFollow Jergus PechacTrack their monthly FIDE ratings, games, tournaments and more.
2,539
3
🇸🇰Gazik, ViktorFollow Viktor GazikTrack their monthly FIDE ratings, games, tournaments and more.
2,529
4
🇸🇰Sahidi, SamirFollow Samir SahidiTrack their monthly FIDE ratings, games, tournaments and more.
2,491
5
🇸🇰Repka, ChristopherFollow Christopher RepkaTrack their monthly FIDE ratings, games, tournaments and more.
2,487
6
🇸🇰Plat, VojtechFollow Vojtech PlatTrack their monthly FIDE ratings, games, tournaments and more.
2,483
7
🇸🇰Neugebauer, MartinFollow Martin NeugebauerTrack their monthly FIDE ratings, games, tournaments and more.
2,480
8
🇸🇰Haring, FilipFollow Filip HaringTrack their monthly FIDE ratings, games, tournaments and more.
2,464
9
🇸🇰Druska, JurajFollow Juraj DruskaTrack their monthly FIDE ratings, games, tournaments and more.
2,463
10
🇸🇰Hujbert, FlorianFollow Florian HujbertTrack their monthly FIDE ratings, games, tournaments and more.
2,430
...
2158🇸🇰Kostov, Rubin1,660
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
...
85588🇸🇰Kostov, Rubin1,660
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
...
124021🇸🇰Kostov, Rubin1,660