Deyan Samuil Kostov

Country

BUL

Birth Year

2006

Gender

M

Title

FIDE Master

FIDE ID

30909015

FIDE ratings

2316

Classical

Published FIDE

2305

Rapid

Published FIDE

2246

Blitz

Published FIDE

Official classical ranks

World rank
#3581
National rank · BUL
#28

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2368 Aug 2025
Recorded years
2015–2026
Archived games
364

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-04 (UTC).

# Date Event Site Round White Black Result Moves View
1 2025-11-27 1st 3-0 Thu 27th Nov 2025 chess.com INT 5 Deyan Samuil Kostov Vidip Kona 0-1 47 Open
2 2025-11-27 1st 3-0 Thu 27th Nov 2025 chess.com INT 4 Deyan Samuil Kostov Timur Nurzhanov 1-0 44 Open
3 2025-11-27 1st 3-0 Thu 27th Nov 2025 chess.com INT 3 Dmitriy Kushko Deyan Samuil Kostov 1-0 27 Open
4 2025-11-27 1st 3-0 Thu 27th Nov 2025 chess.com INT 2 Zsigmond Szajbely Deyan Samuil Kostov 0-1 41 Open
5 2025-11-27 1st 3-0 Thu 27th Nov 2025 chess.com INT 1 Deyan Samuil Kostov Matvey Galchenko 0-1 31 Open
6 2025-10-02 IV Mallorca Int. Masters Inca ESP 8.2 Deyan Samuil Kostov Viktor Moskalenko 1/2-1/2 39 Open
7 2025-10-02 IV Mallorca Int. Masters Inca ESP 7.4 Hristiyan Iliev Deyan Samuil Kostov 1-0 57 Open
8 2025-10-01 IV Mallorca Int. Masters Inca ESP 6.3 Deyan Samuil Kostov Darius Zagorskis 1/2-1/2 18 Open
9 2025-10-01 IV Mallorca Int. Masters Inca ESP 5.3 Ilmars Starostits Deyan Samuil Kostov 0-1 48 Open
10 2025-09-30 IV Mallorca Int. Masters Inca ESP 4.4 Deyan Samuil Kostov Juan David Becerra 1-0 71 Open
11 2025-09-30 IV Mallorca Int. Masters Inca ESP 3.2 Deniman Mamani Beltran Deyan Samuil Kostov 1-0 77 Open
12 2025-09-29 IV Mallorca Int. Masters Inca ESP 2.5 Deyan Samuil Kostov Daniel Martin Rueda 1-0 26 Open
13 2025-09-28 IV Mallorca Int. Masters Inca ESP 1.1 Deyan Samuil Kostov Abdessadek Maalla 1-0 39 Open
14 2025-08-17 6th Paul Keres Rapid 2025 Parnu EST 7.6 Deyan Samuil Kostov Arturs Neiksans 0-1 40 Open
15 2025-08-17 6th Paul Keres Rapid 2025 Parnu EST 6.8 Renars Muzis Deyan Samuil Kostov 1/2-1/2 26 Open
16 2025-08-17 6th Paul Keres Rapid 2025 Parnu EST 5.11 Deyan Samuil Kostov Kristaps Krustkalns 1-0 48 Open
17 2025-08-16 6th Paul Keres Open A Parnu EST 9.9 Ilja Haitin Deyan Samuil Kostov 1-0 87 Open
18 2025-08-15 6th Paul Keres Open A Parnu EST 8.7 Deyan Samuil Kostov Yury Lapshun 1/2-1/2 52 Open
19 2025-08-15 6th Paul Keres Open A Parnu EST 7.7 Deyan Samuil Kostov Reinis Valdats 1/2-1/2 27 Open
20 2025-08-14 6th Paul Keres Open A Parnu EST 6.7 Henri Lahdelma Deyan Samuil Kostov 1/2-1/2 50 Open
21 2025-08-13 6th Paul Keres Open A Parnu EST 4.7 Deniss Andrijashkin Deyan Samuil Kostov 1-0 43 Open
22 2025-08-12 6th Paul Keres Open A Parnu EST 3.11 Deyan Samuil Kostov Akaki Shalamberidze 1-0 65 Open
23 2025-08-12 6th Paul Keres Open A Parnu EST 2.7 Lorenz Wuethrich Deyan Samuil Kostov 1/2-1/2 32 Open
24 2025-08-11 6th Paul Keres Open A Parnu EST 1.1 Deyan Samuil Kostov Niko Rosenboom 1-0 60 Open
25 2025-06-17 Titled Tue 17th Jun Late chess.com INT 8 Deyan Samuil Kostov Giovanni Marchesich 0-1 45 Open
26 2025-06-17 Titled Tue 17th Jun Late chess.com INT 7 Jose Felix Calvo Gonzalez Deyan Samuil Kostov 0-1 57 Open
27 2025-06-17 Titled Tue 17th Jun Late chess.com INT 6 Deyan Samuil Kostov Ngoc Truong Son Nguyen 0-1 46 Open
28 2025-06-17 Titled Tue 17th Jun Late chess.com INT 5 Deyan Samuil Kostov Batyrkhan Muratov 1-0 32 Open
29 2025-06-17 Titled Tue 17th Jun Late chess.com INT 4 Miguel Medina Paz Deyan Samuil Kostov 0-1 40 Open
30 2025-06-17 Titled Tue 17th Jun Late chess.com INT 3 Deyan Samuil Kostov Leonardo Maglioni 0-1 25 Open
31 2025-06-17 Titled Tue 17th Jun Late chess.com INT 2 David Paravyan Deyan Samuil Kostov 1-0 40 Open
32 2025-06-17 Titled Tue 17th Jun Late chess.com INT 1 Mariia Dolinskaia Deyan Samuil Kostov 0-1 44 Open
33 2025-06-14 3rd Munich Whitsun Open A Munich GER 9.7 Anton Demchenko Deyan Samuil Kostov 1-0 53 Open
34 2025-06-13 3rd Munich Whitsun Open A Munich GER 8.16 Prishita Gupta Deyan Samuil Kostov 0-1 39 Open
35 2025-06-12 3rd Munich Whitsun Open A Munich GER 7.7 Deyan Samuil Kostov Vitaliy Bernadskiy 0-1 35 Open
36 2025-06-11 3rd Munich Whitsun Open A Munich GER 6.15 Carlos Alvarez Serrano Deyan Samuil Kostov 0-1 64 Open
37 2025-06-10 3rd Munich Whitsun Open A Munich GER 5.24 Deyan Samuil Kostov Aarav Sarbalia 1-0 43 Open
38 2025-06-09 3rd Munich Whitsun Open A Munich GER 4.2 Nandish V S Deyan Samuil Kostov 1/2-1/2 51 Open
39 2025-06-09 3rd Munich Whitsun Open A Munich GER 3.2 Deyan Samuil Kostov Eltaj Safarli 0-1 79 Open
40 2025-06-08 3rd Munich Whitsun Open A Munich GER 2.2 Fiona Sieber Deyan Samuil Kostov 0-1 35 Open
41 2025-06-08 3rd Munich Whitsun Open A Munich GER 1.3 Deyan Samuil Kostov Darshan G 1-0 42 Open
42 2025-05-20 Titled Tue 20th May Early chess.com INT 1 Juan Alejandro Leon Acevedo Deyan Samuil Kostov 1-0 32 Open
43 2025-04-27 IV Menorca Open A 2025 Ciutadella de Menorca ESP 9.23 Deyan Samuil Kostov Jonasz Baum 0-1 71 Open
44 2025-04-26 IV Menorca Open A 2025 Ciutadella de Menorca ESP 8.16 Deyan Samuil Kostov Sebastian Dario Iermito 1/2-1/2 40 Open
45 2025-04-26 IV Menorca Open A 2025 Ciutadella de Menorca ESP 7.13 Andy Woodward Deyan Samuil Kostov 1/2-1/2 54 Open
46 2025-04-25 IV Menorca Open A 2025 Ciutadella de Menorca ESP 6.9 Deyan Samuil Kostov Viktor Matviishen 1/2-1/2 32 Open
47 2025-04-23 IV Menorca Open A 2025 Ciutadella de Menorca ESP 3.22 Zhandos Agmanov Deyan Samuil Kostov 1/2-1/2 47 Open
48 2025-04-23 IV Menorca Open A 2025 Ciutadella de Menorca ESP 2.27 Deyan Samuil Kostov Jose Fernando Cuenca Jimenez 1-0 91 Open
49 2025-03-15 24th OGD Rapid 2025 Delft NED 7.2 Alexandre Dgebuadze Deyan Samuil Kostov 1/2-1/2 7 Open
50 2025-03-15 24th OGD Rapid 2025 Delft NED 6.4 Deyan Samuil Kostov Manuel Bosboom 1-0 43 Open

© 2024-2026 EloTracker