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Kostov, Deyan Samuil

FM🇧🇬

FIDEFIDE 30909015· Male· Bulgaria· Born in 2006

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

Deyan Samuil Kostov, a 20-year-old Bulgarian FIDE Master, is rated 2320 and ranked 29th among Bulgarian players, and in the top 2% worldwide. He has slipped back 43 Elo over the past 12 months. 46 rated games in the past year (≈72/year long-term). Recent standard appearances include Masters Inca - IV Mallorca Chess International, 6th Paul Keres Memorial Festival 2025 - Keres Classic Open A, and 34th OPEN CHESS TOURNAMENT OF KAVALA VASILIS THEODORIDIS A. Also played 2 rapid (including 6th Paul Keres Memorial Festival 2025 - Rapid Tournament) and 1 blitz events (including 6th Paul Keres Memorial Festival 2025 - Blitz Tournament) recently. His peak of 2368 was reached at age 19 (Aug 2025); he also reached Bulgarian #20 in May 2025.

Competes for Bulgaria since Oct 2018. Awarded FM in 2022 (age 16) and CM in 2017 (age 11). At junior level, he reached World #89 in U18, World #88 in U14, World #99 in U10 and #2, #2 and #2 nationally in U20, U16 and U12.

Current rating

2320

Standard

Rpd2305·Blz2203

All-time high

2368

−48 pts below
Aug 2025 · age 19

Activity

60

games / yr avg. · ≈5/mo

46 past 12 mo · ≈4/mo
classical only
Active

Signature stat

#29

#29 · Bulgarian players · of 701

Career timeline

24 entries
2025
All-time peak 2368
at age 19 · −48 from today
Aug 2025
2nd Bulgarian U20 player
at age 19 · rated 2367
Jul 2025
Peak Bulgarian rank: #20
at age 19 · rated 2363
May 2025
2024
Re-crossed 2300
at age 18
Sep 2024
89th U18 player worldwide
at age 18 · rated 2358
May 2024
Crossed 2300
at age 18
Mar 2024

Standard rating history

Activity & highlights

Best result
Masters Inca - IV Mallorca Chess International
perf 2376 (+56) · 5/8 · #4
Top opponent
vs Viktor MoskalenkoGM 2,423
Masters Inca - IV Mallorca Chess International · Sep 2025 · +2.9 Elo
Evolution
-32
2352 → 2320
Tournaments
6
46 games
Score
27/ 4658.7%
19W17D10L

Last 12 months — tournaments

6 events
EventDateScoreRankPerfΔ Elo
Masters Inca - IV Mallorca Chess International
Round-Robin
Sep 20255/8#42376+16.8
6th Paul Keres Memorial Festival 2025 - Keres Classic Open A
Open Swiss
Aug 20255/9#302225-31.0
34th OPEN CHESS TOURNAMENT OF KAVALA VASILIS THEODORIDIS A
Open Swiss
Jul 20255/9#752212-34.2
Open International d'Aix en Provence - Trophee Dole 2025 - Tournoi Masters (p2100 elo)
Open Swiss
Jul 20255.5/9#632367+1.2
SMM 2025 NLB round 5
Team
Jun 20251/1#103050+7.2
Internationales Pfingst-Open 2025 A im 3. Muenchner Schachfestival
Open Swiss
Jun 20255.5/9#242374+7.8
Worst Elo result: 34th OPEN CHESS TOURNAMENT OF KAVALA VASILIS THEODORIDIS A (-34.2 Elo, finished #75).

Most-Played Opponents

vsKiril Kostov
🇧🇬BUL·2020
+8 −0 =4
12 games·last met Aug 2024
View head-to-head →
vsSteve Papaux
🇨🇭SUI·2183
+6 −1 =0
7 games·last met Mar 2024
View head-to-head →
vsIgor SchlegelFM
🇨🇭SUI·2228
+0 −3 =2
5 games·last met Sep 2020
View head-to-head →
vsNadya TonchevaFM
🇧🇬BUL·2320
+0 −4 =1
5 games·last met Jul 2020
View head-to-head →

Rankings

/
Bulgaria
#29
out of 1,171 players
Europe
#2,282
in continent
World
#3,485
out of 400,000+

National ranking

Europe & World

Europe
World
Bulgaria
1
🇧🇬Topalov, VeselinFollow Veselin TopalovTrack their monthly FIDE ratings, games, tournaments and more.
2,695
2
🇧🇬Cheparinov, IvanFollow Ivan CheparinovTrack their monthly FIDE ratings, games, tournaments and more.
2,627
3
🇧🇬Naiditsch, ArkadijFollow Arkadij NaiditschTrack their monthly FIDE ratings, games, tournaments and more.
2,574
4
🇧🇬Petrov, MartinFollow Martin PetrovTrack their monthly FIDE ratings, games, tournaments and more.
2,542
5
🇧🇬Georgiev, KirilFollow Kiril GeorgievTrack their monthly FIDE ratings, games, tournaments and more.
2,525
6
🇧🇬Petkov, MomchilFollow Momchil PetkovTrack their monthly FIDE ratings, games, tournaments and more.
2,523
7
🇧🇬Grigorov, GrigorFollow Grigor GrigorovTrack their monthly FIDE ratings, games, tournaments and more.
2,496
8
🇧🇬Dimitrov, RadoslavFollow Radoslav DimitrovTrack their monthly FIDE ratings, games, tournaments and more.
2,474
9
🇧🇬Rusev, KrasimirFollow Krasimir RusevTrack their monthly FIDE ratings, games, tournaments and more.
2,457
10
🇧🇬Stoyanov, TsvetanFollow Tsvetan StoyanovTrack their monthly FIDE ratings, games, tournaments and more.
2,445
...
29🇧🇬Kostov, Deyan Samuil2,320
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
...
2282🇧🇬Kostov, Deyan Samuil2,320
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
...
3485🇧🇬Kostov, Deyan Samuil2,320