 
                                    | Date | Chess tournament name | Status | 
|---|---|---|
| 2019-11-09 to 2019-11-09 | ТУРНИР ПО УСКОРЕН ШАХМАТ ЗА СЕНЬОРИ (45+) за купа "ЛИНОПРОСТ", СОФИЯ, 9 ноември  | Finished | 
| 2015-02-01 to 2015-02-08 | 37th Bulgarian Open Chess Championship "G.Tringov" Memorial 2015  | Finished | 
| 2013-04-21 to 2013-04-21 | Blitz tournament "LIDER"  | Finished | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2023.08.07 | Tilicheev,V (2489) vs (1767) Kolev,H 45th Georgi Tringov Irregular King's Pawn - Nimzovich (Colorado) | 1-0 | B00 | |
| 2023.01.25 | Kolev,Lachezar (2018) vs (2222) Nikolov,Sas ch-BUL 2023 Irregular Queen's Pawn - Franco-Indian | 1/2-1/2 | A40 | |
| 2021.06.23 | Enchev,I (2501) vs (2085) Kolev,Lachezar TCh-BUL 2021 Reti Zukertort | 1/2-1/2 | A06 | |
| 2016.08.20 | Kolev, Stoyan M vs (1914) Andreev, Do 31st Teteven Open 2016 Semi-Slav - Stoltz | 1-0 | D45 | |
| 2016.08.18 | Koev, Koycho (1411) vs (1517) Kolev, Georgi 31st Teteven Open 2016 Queen's Gambit Accepted - Saduleto | 0-1 | D20 | |
| 2016.08.18 | Kolev, Stoyan M vs (1874) Kamenov, Filip 31st Teteven Open 2016 Benko Gambit Accepted - Half-Accepted | 1-0 | A58 | |
| 2015.08.11 | Minkov, Borislav vs (1633) Kolev, Lachezar 30th Teteven Open 2015 Nimzo-Indian | 0-1 | E20 | |
| 2020.09.15 | Kostov, Deyan Samuil (2140) vs (1870) Kolev, Nikola Primorsko Open 2020 Sicilian - Hungarian | 1/2-1/2 | B27 | |
| 2020.09.16 | Kolev, Nikola (1870) vs (2123) Smolin, S1 Primorsko Open 2020 English - Snake | 0-1 | A10 | |
| 2020.09.21 | Kolev, H (1847) vs (2198) Gromovs, S Primorsko Open 2020 Sicilian Closed - Zukertort | 1-0 | B23 | |
| 2018.02.24 | Kolev, Nikola (1931) vs (2145) Iliev, Di 207th MGU Open 2018 Reti Symmetrical | 1/2-1/2 | A05 | |
| 2017.09.10 | Krustev, Krasimir S (1970) vs (1909) Kolev, Nikola 189th MGU Open 2017 Sicilian Center Game - Smith-Morra | 0-1 | B21 | |
| 2017.09.10 | Kolev, Nikola (1909) vs (1805) Timev, Anzhelo 189th MGU Open 2017 Bird Dutch | 1-0 | A03 | |
| 2017.09.10 | Babatov, Martin (1737) vs (1909) Kolev, Nikola 189th MGU Open 2017 Dutch | 0-1 | A80 | |
| 2017.09.09 | Kolev, Nikola (1909) vs (1558) Mladenov, Andrey 189th MGU Open 2017 Bird Dutch | 1-0 | A03 | |
| 2017.09.09 | Kolev, Nikola (1909) vs (1503) Sapareva, Magdalena 189th MGU Open 2017 Bird | 1-0 | A02 | |
| 2018.09.19 | Badev, K (2170) vs (1956) Kolev, Lachezar Primorsko Open 2018 Reti Zukertort - Mexican | 1-0 | A06 | |
| 2018.09.20 | Kolev, Lachezar (1956) vs (2164) Andreev, St Primorsko Open 2018 Caro-Kann | 1/2-1/2 | B10 | |
| 2016.07.16 | Kolev, H. (1860) vs (1718) Roydov, P. 2nd ChessBomb Young Hopes French | 1-0 | C01 | |
| 2016.07.16 | Kolev, I. (2095) vs (2262) Georgiev, Todor 2nd ChessBomb Young Hopes Reti | 0-1 | A04 | |
| 2016.07.15 | Stankov, A. (1838) vs (1491) Kolev, Georgi 2nd ChessBomb Young Hopes Petrov - Cozio | 1-0 | C42 | |
| 2016.07.15 | Mishev, L. (2168) vs (1860) Kolev, H. 2nd ChessBomb Young Hopes Sicilian - Hungarian | 1-0 | B27 | |
| 2016.07.15 | Popchev, M. (2281) vs (2095) Kolev, I. 2nd ChessBomb Young Hopes Indian East Indian | 1/2-1/2 | A48 | |
| 2016.07.15 | Kolev, Georgi (1491) vs (1920) Shivacheva, D. 2nd ChessBomb Young Hopes Queen's Gambit Chigorin | 0-1 | D07 | |
| 2016.07.15 | Kolev, I. (2095) vs (1718) Roydov, P. 2nd ChessBomb Young Hopes Reti | 1-0 | A04 | |
| 2016.07.15 | Kolev, H. (1860) vs (2281) Popchev, M. 2nd ChessBomb Young Hopes Sicilian Closed | 0-1 | B23 | |
| 2016.07.14 | Kartalov, K. (1640) vs (2095) Kolev, I. 2nd ChessBomb Young Hopes Pirc | 0-1 | B07 | |
| 2016.07.14 | Boev, Viktor (2001) vs (1860) Kolev, H. 2nd ChessBomb Young Hopes Sicilian Closed | 0-1 | B23 | |
| 2016.07.13 | Terziyski, Isaiah vs (1491) Kolev, Georgi 2nd ChessBomb Young Hopes Petrov - Three Knights | 0-1 | C42 | |
| 2016.07.13 | Kolev, I. (2095) vs (1854) Stoyanov, Stoyan Or 2nd ChessBomb Young Hopes Sicilian Closed | 1/2-1/2 | B25 | |
| 2016.07.13 | Kolev, Georgi (1491) vs Atanasova, Borislava 2nd ChessBomb Young Hopes Queen's Gambit Accepted | 1-0 | D20 | |
| 2016.07.13 | Chitakova, Galya (1579) vs (1860) Kolev, H. 2nd ChessBomb Young Hopes Sicilian - Hungarian | 0-1 | B27 | |
| 2016.07.13 | Karadzhov, Ivan (1731) vs (2095) Kolev, I. 2nd ChessBomb Young Hopes King's Indian | 1/2-1/2 | E61 | |
| 2016.07.12 | Kolev, H. (1860) vs (1040) Karov, Aleksandar 2nd ChessBomb Young Hopes Evans Gambit | 1-0 | C51 | |
| 2016.07.12 | Kolev, I. (2095) vs (1416) Malinov, Martin 2nd ChessBomb Young Hopes Spanish Morphy - Exchange (Alekhine) | 1-0 | C68 | |
| 2016.07.12 | Ninov, D. (2264) vs (1491) Kolev, Georgi 2nd ChessBomb Young Hopes Queen's Pawn Zukertort - Krause | 1-0 | D02 | |
| 2018.03.21 | Kolev, Vel (1717) vs (2103) Nenov, R 11th Hristo Gerenski Mem Reti Symmetrical - Barcza | 1/2-1/2 | A05 | |
| 2018.03.23 | Kolev, Vel (1717) vs (1489) Simov, Zahari 11th Hristo Gerenski Mem King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2018.09.16 | Kolev, Lachezar (1956) vs (2528) Tilicheev, V Primorsko Open 2018 Sicilian | 0-1 | B50 | |
| 2019.10.30 | Kolev, Lachezar (1983) vs (2200) Gombocz, Ferenc Jr. World Youth U16 Olympiad Italian - Semi-Italian | 1/2-1/2 | C50 | |
| 2019.10.31 | Kolev, Lachezar (1983) vs (2142) Tarasenka, Aliaksandra World Youth U16 Olympiad French - Two Knights | 0-1 | C00 | |
| 2020.09.14 | Kolev, Nikola (1870) vs (2322) Georgiev, Kr Primorsko Open 2020 English Anglo-Indian - King's Knight | 1/2-1/2 | A15 | |
| 2018.03.24 | Ivanov, Ol BUL (1540) vs (1717) Kolev, Vel 11th Hristo Gerenski Mem English Sicilian | 0-1 | A21 | |
| 2016.06.26 | Kolev, At2 (2116) vs (1986) Bashirinia, O. Albena Open 2016 Slav Delmar | 1/2-1/2 | D12 | |
| 2016.06.25 | Yakimenko, Alex (2217) vs (2116) Kolev, At2 Albena Open 2016 Scandinavian | 1-0 | B01 | |
| 2016.06.21 | Kamenov, V. (1829) vs (2116) Kolev, At2 Albena Open 2016 Scandinavian | 1-0 | B01 | |
| 2016.06.19 | Cakan, C. (1939) vs (2116) Kolev, At2 Albena Open 2016 King's Indian Yugoslav - Taimanov | 1-0 | E97 | |
| 2016.06.18 | Kolev, At2 (2116) vs (2399) Filev, G. Albena Open 2016 Dutch Indian - Semi-Leningrad | 0-1 | A81 | |
| 2020.09.14 | Kolev, H (1847) vs (2309) Bilych, Olexiy Primorsko Open 2020 Evans Gambit - Stone-Ware | 0-1 | C51 | |
| 2017.07.16 | Kolev, Nikola (1913) vs (2040) Vassilev, Martin 188th MGU Open 2017 Reti Symmetrical | 1/2-1/2 | A05 | |
| 2017.07.16 | Andreev, Do (1907) vs (1913) Kolev, Nikola 188th MGU Open 2017 Sicilian - Hungarian | 0-1 | B27 | |
| 2017.07.15 | Kolev, Nikola (1913) vs (1427) Stoyanov, Plamen 188th MGU Open 2017 English Anglo-Indian (Queen's Knight) | 1-0 | A16 | |
| 2017.07.15 | Nikolov, Petko (1867) vs (1913) Kolev, Nikola 188th MGU Open 2017 Irregular Queen's Pawn - Exchange | 1-0 | C01 | |
| 2018.02.24 | Kolev, Nikola (1931) vs (1477) Mavrodiev, Slav 207th MGU Open 2018 English - Anglo-Scandinavian | 1-0 | A10 | |
| 2018.02.25 | Kolev, Nikola (1931) vs (1434) Dimova, Mariya 207th MGU Open 2018 Reti | 1-0 | A04 | |
| 2016.05.22 | Kolev, Lachezar (1883) vs (1573) Vasileva, C. 1st Dyuni Open 2016 Four Knights - Scotch | 0-1 | C47 | |
| 2016.05.22 | Panajotov, J. (2172) vs (1883) Kolev, Lachezar 1st Dyuni Open 2016 Reti Symmetrical - Torre | 1-0 | A46 | |
| 2016.05.21 | Kolev, Lachezar (1883) vs Ivanov, Ivan Mikov 1st Dyuni Open 2016 Scandinavian | 1/2-1/2 | B01 | |
| 2015.04.05 | Kolev, Nikola (1854) vs (2009) Metev, M. 142nd MGU Open 2015 Reti - King's Knight | 0-1 | A13 | |
| 2015.04.05 | Semerdzhiev, Denis vs (1854) Kolev, Nikola 142nd MGU Open 2015 Old Benoni - Hromádka | 0-1 | A56 | |
| 2015.04.05 | Kolev, Nikola (1854) vs (1366) Tenev, Bogdan 142nd MGU Open 2015 Reti Gambit | 1-0 | A09 | |
| 2015.04.04 | Sapareva, Magdalena (1614) vs (1854) Kolev, Nikola 142nd MGU Open 2015 Polish Sokolsky opening | 0-1 | A00 | |
| 2018.09.21 | Kanov, Nikola (1929) vs (1956) Kolev, Lachezar Primorsko Open 2018 Sicilian - Godiva | 1/2-1/2 | B32 | |
| 2018.09.24 | Kolev, Lachezar (1956) vs (2144) Marholev, D Primorsko Open 2018 Italian - Hungarian | 1/2-1/2 | C50 | |
| 2015.03.15 | Kolev, Vel (1803) vs (1562) Georgiev, Nikolay 139th MGU Open 2015 Reti King's Indian | 1-0 | A07 | |
| 2015.03.14 | Green, Moria (1717) vs (1803) Kolev, Vel 139th MGU Open 2015 Benoni | 1/2-1/2 | A56 | |
| 2015.03.14 | Tenev, Bogdan (1366) vs (1803) Kolev, Vel 139th MGU Open 2015 Indian | 0-1 | A45 | |
| 2017.06.24 | Kolev, Nikola (1892) vs (2324) Bargan, Se Albena Open 2017 Slav Modern Exchange | 0-1 | D13 | |
| 2017.06.23 | Kolev, Nikola (1892) vs (2093) Arnaudov, P. Albena Open 2017 Reti Symmetrical | 1/2-1/2 | A05 | |
| 2017.06.22 | Zavialov, Volodymyr (2143) vs (1892) Kolev, Nikola Albena Open 2017 Queen's Pawn - Mason | 1-0 | D00 | |
| 2017.06.21 | Kolev, Nikola (1892) vs (2141) Kalchev, St Albena Open 2017 Reti Symmetrical | 1-0 | A05 | |
| 2017.06.19 | Kolev, Nikola (1892) vs (2214) Abdulla, Murad Albena Open 2017 Reti Symmetrical | 0-1 | A05 | |
| 2017.06.17 | Kolev, Nikola (1892) vs (2458) Dimitrov, R. Albena Open 2017 Reti | 0-1 | A04 | |
| 2018.02.03 | Krastev, Krasimir Naidenov (1688) vs (1931) Kolev, Nikola 205th MGU Open 2018 Sicilian - Hungarian | 0-1 | B27 | |
| 2018.02.04 | Kostov, N (1631) vs (1931) Kolev, Nikola 205th MGU Open 2018 Dutch | 1/2-1/2 | A80 | |
| 2017.06.18 | Kolev, At1 (2572) vs (2524) Gorovets, A. National Open 2017 Dutch Indian | 0-1 | A81 | |
| 2017.06.17 | Raptis, N. (2296) vs (2572) Kolev, At1 National Open 2017 Reti Symmetrical - Neo-Catalan Accepted | 1/2-1/2 | A13 | |
| 2017.06.17 | Kolev, At1 (2572) vs (2298) Feng, Maggie National Open 2017 Queen's Pawn Zukertort - Krause | 1-0 | D02 | |
| 2017.06.16 | He, Anthony B (2295) vs (2572) Kolev, At1 National Open 2017 Giuoco Piano - Pianissimo | 1/2-1/2 | C54 | |
| 2017.06.16 | Kolev, At1 (2572) vs (2283) Shevelev, Da National Open 2017 Queen's Gambit Declined | 1/2-1/2 | D30 | |
| 2015.03.01 | Kolev, Vel (1825) vs (1707) Le Borgne, Romain 137th MGU Open 2015 French - Hanham | 0-1 | C00 | |
| 2015.03.01 | Tsintsarski, B. (1737) vs (1825) Kolev, Vel 137th MGU Open 2015 Sicilian Closed | 0-1 | B23 | |
| 2015.02.28 | Kolev, Vel (1825) vs (1545) Grabcheva, Natalia 137th MGU Open 2015 Irregular King's Pawn - Owen | 1/2-1/2 | B00 | |
| 2018.09.17 | Vasileva, C (1594) vs (1956) Kolev, Lachezar Primorsko Open 2018 Slav Czech - Krause | 0-1 | D17 | |
| 2015.02.02 | Antic, De (2450) vs (2122) Kolev, At2 37th Bulgarian Open 2015 King's Indian Yugoslav - Taimanov | 1-0 | E97 | |
| 2015.02.02 | Kolev, I. (2118) vs (2460) Berescu, A. 37th Bulgarian Open 2015 Caro-Kann - Breyer | 1/2-1/2 | B10 | |
| 2015.02.01 | Berescu, A. (2460) vs (1825) Kolev, Vel 37th Bulgarian Open 2015 Reti | 1-0 | A04 | |
| 2015.02.01 | Georgescu, T. (2468) vs (1830) Kolev, H. 37th Bulgarian Open 2015 Gruenfeld - Accelerated Byrne | 1-0 | E80 | |
| 2020.09.09 | Kolev, Lachezar (2040) vs (2508) Rusev, K 70th TCh-BUL 2020 Queen's Pawn - Mason (Steinitz) | 0-1 | D00 | |
| 2015.01.29 | Ninov, D. (2218) vs (2122) Kolev, At2 79th ch-BUL SF 2015 Indian | 1-0 | A45 | |
| 2015.01.28 | Karadzhov, Ivan (1545) vs (2122) Kolev, At2 79th ch-BUL SF 2015 Indian Knight | 0-1 | A46 | |
| 2015.01.26 | Kolev, At2 (2122) vs (2026) Valkov, V. 79th ch-BUL SF 2015 King's Indian Fianchetto (Classical) - Gruenfeld | 0-1 | E69 | |
| 2016.03.13 | Sharkov, Venko (1675) vs (1841) Kolev, Nikola 165th MGU Open 2016 Reti | 0-1 | A04 | |
| 2016.03.13 | Kolev, Nikola (1841) vs (2025) Metev, M. 165th MGU Open 2016 English Sicilian | 0-1 | A20 | |
| 2016.03.12 | Bozilov, D. (2049) vs (1841) Kolev, Nikola 165th MGU Open 2016 Sicilian - Hungarian | 0-1 | B27 | |
| 2016.03.12 | Kolev, Nikola (1841) vs (1506) Georgiev, Nikolay 165th MGU Open 2016 Slav Alapin | 1-0 | D16 | |
| 2015.01.25 | Slavejkov, Kristian (1657) vs (1847) Kolev, Vel 133rd MGU Open 2015 Sicilian Paulsen | 1-0 | B43 | |
| 2015.01.25 | Slavejkov, Kristian (1657) vs (1414) Kolev, Georgi 133rd MGU Open 2015 Pirc | 1-0 | B07 | |
| 2015.01.25 | Kolev, Georgi (1414) vs (1779) Slavejkov, Anton 133rd MGU Open 2015 Indian | 0-1 | A45 | |
| 2015.01.24 | Tenev, Bogdan vs (1414) Kolev, Georgi 133rd MGU Open 2015 Pirc | 0-1 | B07 |