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| Date | Chess tournament name | Status |
|---|---|---|
| 2023-05-07 to 2023-05-07 | 3rd Northampton FIDE Rapid - Open @University of Northampton, Waterside Campus, University Dr, Northampton NN1 5PH  |
Finished |
| 2020-02-21 to 2020-02-23 | Warwickshire Open Chess Championships 2020: Open |
Finished |
| 2015-09-05 to 2015-09-13 | 14th International Chess Festival - Memorial Kesarovski-Stanchev, C Tournament |
Finished |
| 2014-09-07 to 2014-09-07 | Friendly match DOBRICH - MANGALIA rapid chess  |
Finished |
| 2013-11-10 to 2013-11-10 | Blitz sudents 2013 Sofia 10.11.2013 |
Finished |
| 2009-06-20 to 2009-06-28 | Albena International Open Chess Tournament 2009 |
Finished |
| 2009-02-01 to 2009-02-07 | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009, Plovdiv, Bulgaria |
Finished |
| 2009-02-01 to 2009-02-07 | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009, Plovdiv, Bulgaria |
Finished |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.06.17 | Kostov,Deyan Samuil (2352) vs (2189) Marchesich,Giovanni Titled Tue 17th Jun Late Old Benoni Pawn Thrust |
0-1 | A44 | |
| 2025.06.17 | Calvo Gonzalez,Jose Felix (2168) vs (2352) Kostov,Deyan Samuil Titled Tue 17th Jun Late Sicilian - Alatortsev |
0-1 | B53 | |
| 2025.06.17 | Kostov,Deyan Samuil (2352) vs (2600) Nguyen Ngoc Truong Son Titled Tue 17th Jun Late Indian - Trompowsky |
0-1 | A45 | |
| 2025.06.17 | Kostov,Deyan Samuil (2352) vs (2337) Muratov,Batyrkhan Titled Tue 17th Jun Late Modern |
1-0 | A41 | |
| 2025.06.17 | Medina,M ECU (2368) vs (2352) Kostov,Deyan Samuil Titled Tue 17th Jun Late Queen's Gambit Accepted - Alekhine |
0-1 | D21 | |
| 2025.06.17 | Kostov,Deyan Samuil (2352) vs (2069) Maglioni,Leonardo Titled Tue 17th Jun Late Indian - Trompowsky |
0-1 | A45 | |
| 2025.06.17 | Paravyan,D (2589) vs (2352) Kostov,Deyan Samuil Titled Tue 17th Jun Late Queen's Gambit Accepted Alekhine - Alekhine |
1-0 | D22 | |
| 2025.06.17 | Dolinskaia,Mariia (1998) vs (2352) Kostov,Deyan Samuil Titled Tue 17th Jun Late Queen's Gambit Accepted Alekhine - Alekhine |
0-1 | D22 | |
| 2025.05.20 | Leon Acevedo,Juan Alejandro (2040) vs (2363) Kostov,Deyan Samuil Titled Tue 20th May Early Queen's Gambit Accepted Alekhine - Alekhine |
1-0 | D22 | |
| 2025.06.09 | Kostov,Deyan Samuil (2352) vs (2620) Safarli,E 3rd Munich Whitsun Open A Indian - Trompowsky |
0-1 | A45 | |
| 2025.06.08 | Sieber,Fiona (2237) vs (2352) Kostov,Deyan Samuil 3rd Munich Whitsun Open A Sicilian Barnes (Bastrikov) |
0-1 | B48 | |
| 2025.06.08 | Kostov,Deyan Samuil (2352) vs (2103) Darshan G 3rd Munich Whitsun Open A Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2025.04.27 | Kostov,Deyan Samuil (2313) vs (2487) Baum,Jonasz IV Menorca Open A 2025 Nimzo-Indian Botvinnik |
0-1 | E49 | |
| 2025.01.07 | Cahaya,Satria Duta (2360) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Sicilian - Alatortsev |
0-1 | B53 | |
| 2025.01.07 | Kostov,Deyan Samuil (2334) vs (2590) Dreev,A Titled Tue 7th Jan Late Slav Delmar |
1/2-1/2 | D12 | |
| 2025.01.07 | Lashkin,Jegor (2517) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Queen's Gambit Accepted Alekhine - Alekhine |
1/2-1/2 | D22 | |
| 2025.01.07 | Kostov,Deyan Samuil (2334) vs (2621) Paravyan,D Titled Tue 7th Jan Late Queen's Gambit Accepted |
1-0 | D20 | |
| 2025.01.07 | Corrales Jimenez,F (2540) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Sicilian Barnes (Bastrikov) |
1-0 | B47 | |
| 2025.01.07 | Kostov,Deyan Samuil (2334) vs (2226) Goltsev,Dmitry Titled Tue 7th Jan Late Tarrasch - Franco-Indian |
1-0 | D32 | |
| 2025.01.07 | Da Silva Junior,Sediney Mari (2010) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Sicilian Alapin |
0-1 | B22 | |
| 2025.01.07 | Kostov,Deyan Samuil (2334) vs (2090) Przybylski,Bartosz Titled Tue 7th Jan Late Modern Averbakh |
1-0 | A42 | |
| 2025.01.07 | Kukhmazov,A (2469) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Queen's Gambit Accepted - Saduleto (Linares) |
1-0 | D20 | |
| 2025.01.07 | Kostov,Deyan Samuil (2334) vs (2035) Rosales Campos,Paul Titled Tue 7th Jan Late Queen's Pawn - Mason |
1-0 | D00 | |
| 2025.01.07 | Alvarez Perez,Adan (2149) vs (2334) Kostov,Deyan Samuil Titled Tue 7th Jan Late Sicilian - Alatortsev |
1/2-1/2 | B53 | |
| 2025.03.04 | Goryachkina,A (2548) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Mar Early Reti Zukertort |
1-0 | A06 | |
| 2025.03.04 | Luong Phuong Hanh (2207) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Mar Early Queen's Pawn - London |
0-1 | D02 | |
| 2025.02.04 | Kostov,Deyan Samuil (2347) vs (2597) Henriquez Villagra,C Titled Tue 4th Feb Early Modern |
0-1 | A41 | |
| 2025.02.04 | Kostov,Deyan Samuil (2347) vs (2090) Sundac,Ivano Titled Tue 4th Feb Early Queen's Pawn - Mason |
1-0 | D00 | |
| 2025.03.04 | Kostov,Deyan Samuil (2347) vs (2314) Kopjonkin,Kirill Titled Tue 4th Mar Early Indian - Trompowsky |
1-0 | A45 | |
| 2024.12.29 | Shchekachev,A (2456) vs (2334) Kostov,Deyan Samuil Basel Christmas Open 2024 Sicilian |
1-0 | B40 | |
| 2024.12.29 | Kostov,Deyan Samuil (2334) vs (2367) Citak,S Basel Christmas Open 2024 Nimzo-Indian Botvinnik |
1-0 | E49 | |
| 2024.12.28 | Kostov,Deyan Samuil (2334) vs (2219) Ciolek,Andreas Basel Christmas Open 2024 Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2025.03.04 | Kostov,Deyan Samuil (2347) vs (2411) Putnam,Liam Titled Tue 4th Mar Early Irregular Queen's Pawn - Kotov (Robatsch) |
0-1 | A40 | |
| 2024.12.28 | Cornette,M (2533) vs (2334) Kostov,Deyan Samuil Basel Christmas Open 2024 Queen's Pawn Zukertort - London |
1-0 | D02 | |
| 2024.12.27 | Kostov,Deyan Samuil (2334) vs (2193) Villiers,Thomas Basel Christmas Open 2024 Slav Rubinstein |
1-0 | D11 | |
| 2024.12.27 | Kazantzoglou,Stefanos (2085) vs (2334) Kostov,Deyan Samuil Basel Christmas Open 2024 Sicilian |
1/2-1/2 | B40 | |
| 2025.02.04 | Lai,Hong Jun (2036) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Feb Early Queen's Gambit Accepted - Alekhine |
0-1 | D21 | |
| 2025.03.11 | Avila Pavas,Santiago (2511) vs (2347) Kostov,Deyan Samuil Titled Tue 11th Mar Early Queen's Pawn Zukertort - London |
1-0 | D02 | |
| 2025.03.11 | Kostov,Deyan Samuil (2347) vs (2255) Germanovs,Georgijs Titled Tue 11th Mar Early Indian - Trompowsky |
1/2-1/2 | A45 | |
| 2025.02.04 | Kostov,Deyan Samuil (2347) vs (2613) Pichot,A Titled Tue 4th Feb Early Neo-Indian - Exchange |
0-1 | D35 | |
| 2025.03.11 | Garayev,Kanan (2336) vs (2347) Kostov,Deyan Samuil Titled Tue 11th Mar Early Reti Zukertort |
1/2-1/2 | A06 | |
| 2025.03.04 | Garcia Molina,Jose (2200) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Mar Early Dunst (Sleipner, Heinrichsen) opening |
0-1 | A00 | |
| 2025.03.11 | Kostov,Deyan Samuil (2347) vs (2365) Rojas Alarcon,J Titled Tue 11th Mar Early Indian - Trompowsky |
1/2-1/2 | A45 | |
| 2025.02.04 | Ishvi,Aggarwal (1954) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Feb Early Reti King's Indian |
0-1 | A07 | |
| 2025.03.04 | Kostov,Deyan Samuil (2347) vs (2002) Casares Contreras,Jose Gabriel Titled Tue 4th Mar Early Queen's Pawn - Mason |
1-0 | D00 | |
| 2025.03.11 | Kostov,Deyan Samuil (2347) vs (2304) Kovalchuk,Al RUS Titled Tue 11th Mar Early King's Indian Schwarz |
1-0 | E70 | |
| 2025.03.11 | Coe,William (2078) vs (2347) Kostov,Deyan Samuil Titled Tue 11th Mar Early Sicilian - Alatortsev |
0-1 | B53 | |
| 2025.03.04 | Ben Artzi,I (2332) vs (2347) Kostov,Deyan Samuil Titled Tue 4th Mar Early Queen's Gambit Accepted |
1-0 | D20 | |
| 2025.03.11 | Kostov,Deyan Samuil (2347) vs (2082) Levitan,Judah Nathan Titled Tue 11th Mar Early Indian - Trompowsky |
1/2-1/2 | A45 | |
| 2025.01.19 | Kostov,Deyan Samuil (2334) vs (2055) Al Saleh,M Paracin Prestige Open Irregular Queen's Pawn - Kotov (Robatsch) |
1-0 | A40 | |
| 2025.01.18 | Xu,Junwei (2296) vs (2334) Kostov,Deyan Samuil Paracin Prestige Open Reti Zukertort |
1-0 | A06 | |
| 2025.01.17 | Kostov,Deyan Samuil (2334) vs (2306) Pikula,D Paracin Prestige Open Benko Gambit |
1-0 | A57 | |
| 2025.01.16 | Dodoi,Matei-Teodor (2108) vs (2334) Kostov,Deyan Samuil Paracin Prestige Open Queen's Gambit Accepted - Saduleto |
1/2-1/2 | D20 | |
| 2025.03.11 | Rakhmatullaev,Almas (2413) vs (2347) Kostov,Deyan Samuil Titled Tue 11th Mar Early Queen's Pawn Zukertort - Symmetrical |
1-0 | D02 | |
| 2024.12.30 | Kostov,Deyan Samuil (2334) vs (2138) Hobson,Kenneth Basel Christmas Open 2024 Indian - Trompowsky |
0-1 | A45 | |
| 2025.03.15 | Dgebuadze,A (2417) vs (2347) Kostov,Deyan Samuil 24th OGD Rapid 2025 Queen's Gambit Accepted Classical |
1/2-1/2 | D26 | |
| 2025.03.15 | Kostov,Deyan Samuil (2347) vs (2357) Bosboom,M 24th OGD Rapid 2025 King's Indian |
1-0 | E90 | |
| 2025.03.15 | Vrolijk,Liam (2517) vs (2347) Kostov,Deyan Samuil 24th OGD Rapid 2025 Reti Zukertort |
0-1 | A06 | |
| 2025.03.15 | Kostov,Deyan Samuil (2347) vs (2622) Ivic,Velimir 24th OGD Rapid 2025 King's Indian Schwarz (Makogonov) |
0-1 | E71 | |
| 2025.01.15 | Kostov,Deyan Samuil (2334) vs (2352) Jiang,Haochen Paracin Prestige Open Nimzo-Indian St. Petersburg Rubinstein - Reshevsky |
1/2-1/2 | E46 | |
| 2025.01.15 | Gundavaa,B (2515) vs (2334) Kostov,Deyan Samuil Paracin Prestige Open Reti Zukertort |
0-1 | A06 | |
| 2025.01.14 | Kostov,Deyan Samuil (2334) vs (2227) Brankovic,De Paracin Prestige Open Indian - Trompowsky |
1/2-1/2 | A45 | |
| 2025.01.13 | Milosevic,Aleksandar J (2138) vs (2334) Kostov,Deyan Samuil Paracin Prestige Open English Four Knights |
0-1 | A28 | |
| 2025.01.11 | Kostov,Deyan Samuil (2334) vs (2075) Radosavljevic,SD Paracin Prestige Open King's Indian Schwarz (Makogonov) |
1-0 | E71 | |
| 2025.04.26 | Kostov,Deyan Samuil (2313) vs (2499) Iermito,S IV Menorca Open A 2025 Queen's Gambit Accepted - Janowski |
1/2-1/2 | D25 | |
| 2025.04.26 | Woodward,Andy (2536) vs (2313) Kostov,Deyan Samuil IV Menorca Open A 2025 Queen's Gambit Accepted - Saduleto |
1/2-1/2 | D20 | |
| 2025.04.25 | Kostov,Deyan Samuil (2313) vs (2550) Matviishen,Viktor IV Menorca Open A 2025 Neo-Indian - Exchange |
1/2-1/2 | D35 | |
| 2025.04.23 | Agmanov,Zhandos (2470) vs (2313) Kostov,Deyan Samuil IV Menorca Open A 2025 Sicilian |
1/2-1/2 | B40 | |
| 2025.04.23 | Kostov,Deyan Samuil (2313) vs (2487) Cuenca Jimenez,J IV Menorca Open A 2025 Neo-Indian - Exchange |
1-0 | D35 | |
| 2024.05.28 | Bettalli,Francesco (2341) vs (2358) Kostov,Deyan Samuil Titled Tue 28th May Early English Sicilian - Taimanov |
0-1 | A25 | |
| 2024.05.28 | Kostov,Deyan Samuil (2358) vs (1993) Shuvalov,E Titled Tue 28th May Early Gruenfeld Exchange (Classical) - Sokolsky |
1-0 | D89 | |
| 2024.09.17 | Kostov,Deyan Samuil (2334) vs (2007) Antoniou,Rafail Titled Tue 17th Sep Late Slav Delmar |
0-1 | D12 | |
| 2024.09.17 | Navarro,T (2117) vs (2334) Kostov,Deyan Samuil Titled Tue 17th Sep Late Queen's Pawn Zukertort - Symmetrical |
0-1 | D02 | |
| 2024.05.28 | Kostov,Deyan Samuil (2358) vs (1943) Shubhi Gupta Titled Tue 28th May Early Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2024.09.17 | Ospina Castro,Santiago (2106) vs (2334) Kostov,Deyan Samuil Titled Tue 17th Sep Late Sicilian Closed |
0-1 | B23 | |
| 2023.12.26 | Nagare Kaivalya Sandip (2095) vs (2233) Kostov,Deyan Samuil Titled Tue 26th Dec Early Queen's Pawn Closed - Symmetrical |
1-0 | D04 | |
| 2024.09.17 | Kostov,Deyan Samuil (2334) vs (2289) Chassard,Cedric Titled Tue 17th Sep Late Nimzo-Indian St. Petersburg Rubinstein (Normal) |
0-1 | E47 | |
| 2023.12.26 | Perea Fruet,Lorenzo (2247) vs (2233) Kostov,Deyan Samuil Titled Tue 26th Dec Early Bird Dutch |
0-1 | A03 | |
| 2024.05.28 | Hamidov,Allahverdi (2307) vs (2358) Kostov,Deyan Samuil Titled Tue 28th May Early Sicilian Barnes (Bastrikov) |
1-0 | B48 | |
| 2023.12.26 | Kostov,Deyan Samuil (2233) vs (2278) Al Tarbosh,W Titled Tue 26th Dec Early Indian - Saemisch (Marienbad) |
0-1 | A50 | |
| 2024.09.17 | Alvarado,C (2044) vs (2334) Kostov,Deyan Samuil Titled Tue 17th Sep Late Reti Zukertort - Mexican |
0-1 | A06 | |
| 2023.12.26 | Merriman,J (2251) vs (2233) Kostov,Deyan Samuil Titled Tue 26th Dec Early Queen's Pawn - Mason |
0-1 | D00 | |
| 2024.06.23 | Fischer,Daniel (2352) vs (2328) Kostov,Deyan Samuil TCh-SUI 2024 Sicilian Barnes (Bastrikov) |
1-0 | B48 | |
| 2024.05.28 | Kostov,Deyan Samuil (2358) vs (2190) Jodar Arias,M Titled Tue 28th May Early Slav Rubinstein |
1-0 | D11 | |
| 2024.09.17 | Harriott,Tyrell (1924) vs (2334) Kostov,Deyan Samuil Titled Tue 17th Sep Late Queen's Pawn - Stonewall (Pillsbury) |
1-0 | D00 | |
| 2024.05.28 | Nadera,B (2129) vs (2358) Kostov,Deyan Samuil Titled Tue 28th May Early Queen's Gambit Accepted - Janowski |
1-0 | D25 | |
| 2023.12.26 | Jeet,J (2320) vs (2233) Kostov,Deyan Samuil Titled Tue 26th Dec Early Reti King's Indian |
1-0 | A07 | |
| 2023.12.26 | Kostov,Deyan Samuil (2233) vs (2309) Skvortsov,Andrei Titled Tue 26th Dec Early Queen's Pawn - Mason |
1/2-1/2 | D00 | |
| 2024.09.17 | Kostov,Deyan Samuil (2334) vs (1872) Yunker,Alisa Genrietta Titled Tue 17th Sep Late Slav Rubinstein - Neo-Gruenfeld (Schlechter) |
1/2-1/2 | D70 | |
| 2023.12.26 | Kostov,Deyan Samuil (2233) vs (2670) Bluebaum,M Titled Tue 26th Dec Early Queen's Gambit Declined |
0-1 | D31 | |
| 2024.05.28 | Kostov,Deyan Samuil (2358) vs (2413) Aldokhin,I Titled Tue 28th May Early King's Indian |
0-1 | E90 | |
| 2024.09.17 | Kostov,Deyan Samuil (2334) vs (2075) Cahuapaza Tarapaca,Leonardo Titled Tue 17th Sep Late Nimzo-Indian St. Petersburg (Bronstein) |
1-0 | E45 | |
| 2024.09.10 | Dolinskaya,Mariia (1899) vs (2334) Kostov,Deyan Samuil Titled Tue 10th Sep Late Queen's Gambit Accepted Alekhine - Alekhine |
1-0 | D22 | |
| 2023.12.26 | Tasev,D (2188) vs (2233) Kostov,Deyan Samuil Titled Tue 26th Dec Early Sicilian |
1/2-1/2 | B50 | |
| 2024.09.17 | Sari,Yasin (2304) vs (2334) Kostov,Deyan Samuil Titled Tue 17th Sep Late Saragossa opening |
1-0 | A00 | |
| 2024.09.10 | Kostov,Deyan Samuil (2334) vs (2223) Alivodic,Dario Titled Tue 10th Sep Late Queen's Pawn - Mason |
1-0 | D00 | |
| 2023.12.26 | Kostov,Deyan Samuil (2233) vs (2170) Djokic,Mihailo Titled Tue 26th Dec Early Nimzo-Indian Botvinnik |
1-0 | E49 | |
| 2024.09.10 | Skaric,D (2277) vs (2334) Kostov,Deyan Samuil Titled Tue 10th Sep Late Benko's opening |
1/2-1/2 | A00 | |
| 2024.05.28 | Kostov,Deyan Samuil (2358) vs (2545) Goryachkina,A Titled Tue 28th May Early Nimzo-Indian St. Petersburg Rubinstein (Normal) |
0-1 | E48 | |
| 2024.09.17 | Kostov,Deyan Samuil (2334) vs (2380) Riehle,Marco Titled Tue 17th Sep Late Tarrasch |
0-1 | D32 |