| PGN | | Event Name | City | Sys | Start | End | Received | I |
|
Tournaments registered for May 2023 (2023-05-01)
|
| |  | Naberezhnye Chelny cup 2023 blitz 8th stage | Naberezhnye Chelny | s | 2023-03-31 | 2023-03-31 | 2023-04-06 | Inf. |
| | | Orel championship 2023_men | Orel | s | 2023-04-10 | 2023-04-16 | 2023-04-21 | Inf. |
| | | Kamchatka cup 2023_B13 | Petropavlovsk-Kamchatskiy | s | 2023-03-25 | 2023-03-31 | 2023-04-11 | Inf. |
| | | Kamchatka cup 2023_B15 | Petropavlovsk-Kamchatskiy | s | 2023-03-25 | 2023-03-31 | 2023-04-11 | Inf. |
| | | Kamchatka cup 2023_G15 | Petropavlovsk-Kamchatskiy | r | 2023-03-25 | 2023-03-31 | 2023-04-11 | Inf. |
| | | Blitz Moscow. March 2023 - 8 | Moscow | s | 2023-03-31 | 2023-03-31 | 2023-04-03 | Inf. |
| | | Yakutsk Championship 2023 | Yakutsk | s | 2023-03-29 | 2023-04-02 | 2023-04-04 | Inf. |
| | | Born in the USSR Rating Tournament 1-2023 | Voronezh | s | 2023-03-10 | 2023-03-31 | 2023-04-06 | Inf. |
| | | Team Leningrad region Championship 2023. Blitz | Tosno | s | 2023-03-12 | 2023-03-12 | 2023-04-07 | Inf. |
| | | Spring on Petrograd Side 2023 | St. Petersburg | s | 2023-03-20 | 2023-03-30 | 2023-04-02 | Inf. |
| | | Irkutsk_Region_Chmp_2023_U19 (standard) | Irkutsk | s | 2023-03-19 | 2023-03-23 | 2023-04-03 | Inf. |
| | | Ivanovo cup Tseeb V.L. memorial_group B | Ivanovo | s | 2023-03-23 | 2023-03-26 | 2023-03-31 | Inf. |
| | | Championship PFO blitz_2023 | Nizhniy Novgorod | s | 2023-03-30 | 2023-03-30 | 2023-04-09 | Inf. |
| | | Championship PFO rapid_2023 | Nizhniy Novgorod | s | 2023-03-29 | 2023-03-29 | 2023-04-09 | Inf. |
| | | Championship PFO standard_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Women Championship PFO standard_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Women Championship PFO rapid_2023 | Nizhniy Novgorod | s | 2023-03-29 | 2023-03-29 | 2023-04-09 | Inf. |
| | | Women Championship PFO blitz_2023 | Nizhniy Novgorod | s | 2023-03-30 | 2023-03-30 | 2023-04-09 | Inf. |
| | | Cup of Minin rapid_2023 | Nizhniy Novgorod | s | 2023-03-29 | 2023-03-29 | 2023-04-09 | Inf. |
| | | Cup of Minin_OPEN_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin blitz_2023 | Nizhniy Novgorod | s | 2023-03-30 | 2023-03-30 | 2023-04-09 | Inf. |
| | | Cup of Minin_B-9_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_B-11_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_B-13_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_B-15_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_G-15_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_G-13_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Cup of Minin_G-11_2023 | Nizhniy Novgorod | s | 2023-03-20 | 2023-03-28 | 2023-04-08 | Inf. |
| | | Chess Fight Night_April_2023 | Moscow | s | 2023-04-01 | 2023-04-09 | 2023-04-10 | Inf. |
| | | Chess Fight Night_Pro_March_2023 | Moscow | s | 2023-03-21 | 2023-03-28 | 2023-04-05 | Inf. |
| | | Russian Championship B11 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B13 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B15 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B17 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B19 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G11 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G13 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G15 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G17 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G19 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B11 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B13 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B15 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B17 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G11 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G13 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G15 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G17 1st league 2023 | Moscow | s | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship B11 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship B13 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship B15 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship B17 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship B19 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship G11 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship G13 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship G15 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship G17 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship G19 blitz 2023 | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Russian Championship B11 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship B13 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship B15 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship B17 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship B19 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship G11 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship G13 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship G15 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship G17 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship G19 rapid 2023 | Moscow | s | 2023-04-17 | 2023-04-18 | 2023-04-24 | Inf. |
| | | Russian Championship B21 2023 | Moscow | r | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Russian Championship G21 2023 | Moscow | r | 2023-04-19 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Krasnoyarsk Championship 2023 | Krasnoyarsk | s | 2023-03-18 | 2023-03-22 | 2023-03-31 | Inf. |
| | | Irkutsk_Region_Chmp_2023_U17 (standard) | Irkutsk | r | 2023-03-19 | 2023-03-23 | 2023-04-03 | Inf. |
| | | Chess Fight Night. Blitz IV-XXIII | Moscow | s | 2023-03-29 | 2023-03-29 | 2023-04-02 | Inf. |
| | | Chess Fight Night. Blitz IV-XXIV | Moscow | s | 2023-04-02 | 2023-04-02 | 2023-04-05 | Inf. |
| | | Chess Fight Night. Blitz IV-XXV | Moscow | s | 2023-04-05 | 2023-04-05 | 2023-04-07 | Inf. |
| | | Chess Fight Night. Blitz IV-XXVI | Moscow | s | 2023-04-09 | 2023-04-09 | 2023-04-10 | Inf. |
| | | Chess Fight Night. Blitz IV-XXVII | Moscow | s | 2023-04-12 | 2023-04-12 | 2023-04-19 | Inf. |
| | | Chess Fight Night. Blitz IV-XXVIII | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Chess Fight Night. Blitz IV-XXIX | Moscow | s | 2023-04-19 | 2023-04-19 | 2023-04-24 | Inf. |
| | | Chess Fight Night. Blitz IV-XXX | Moscow | s | 2023-04-23 | 2023-04-23 | 2023-04-27 | Inf. |
| | | Chess Fight Night. Blitz IV-XXXI | Moscow | s | 2023-04-26 | 2023-04-26 | 2023-04-29 | Inf. |
| | | Chess Fight Night. Rapid IV-XII | Moscow | s | 2023-04-01 | 2023-04-01 | 2023-04-05 | Inf. |
| | | Chess Fight Night. Rapid IV-XIII | Moscow | s | 2023-04-08 | 2023-04-08 | 2023-04-10 | Inf. |
| | | Chess Fight Night. Rapid IV-XIV | Moscow | s | 2023-04-15 | 2023-04-15 | 2023-04-22 | Inf. |
| | | Chess Fight Night. Rapid IV-XV | Moscow | s | 2023-04-22 | 2023-04-22 | 2023-04-27 | Inf. |
| | | Chess Fight Night. II-XII amateurs | Moscow | s | 2023-03-30 | 2023-03-30 | 2023-04-02 | Inf. |
| | | Chess Fight Night. II-XIII amateurs | Moscow | s | 2023-04-06 | 2023-04-06 | 2023-04-07 | Inf. |
| | | Chess Fight Night. II-XIV amateurs | Moscow | s | 2023-04-13 | 2023-04-13 | 2023-04-19 | Inf. |
| | | Chess Fight Night. II-XV amateurs | Moscow | s | 2023-04-20 | 2023-04-20 | 2023-04-24 | Inf. |
| | | Chess Fight Night. II-XVI amateurs | Moscow | s | 2023-04-27 | 2023-04-27 | 2023-04-29 | Inf. |
| | | Chess tournament_Surgut spring 2023 | Surgut | s | 2023-03-27 | 2023-04-02 | 2023-04-13 | Inf. |
| | | Championship Vologda region 2023 | Vologda | s | 2023-03-29 | 2023-04-02 | 2023-04-04 | Inf. |
| | | Rapid Grand Prix 2023 - Chelny 7th stage | Naberezhnye Chelny | s | 2023-04-01 | 2023-04-02 | 2023-04-07 | Inf. |
| | | Rapid Grand Prix 2023 - Chelny 8th stage | Naberezhnye Chelny | s | 2023-04-15 | 2023-04-16 | 2023-04-25 | Inf. |
| | | Vidnovskaya Spring 2023 B (U11) | Vidnoe | s | 2023-03-26 | 2023-03-26 | 2023-04-06 | Inf. |
| | | Vidnovskaya Spring 2023 A (U15) | Vidnoe | s | 2023-03-26 | 2023-03-26 | 2023-04-06 | Inf. |
| | | Link of times - link of generations 2023 | Moscow | s | 2023-04-07 | 2023-04-09 | 2023-04-23 | Inf. |
| | | Overtime First Line Blitz 2023-1 | St. Petersburg | s | 2023-04-01 | 2023-04-01 | 2023-04-03 | Inf. |
| | | Karelian rapid 2023 chmp | Petrozavodsk | s | 2023-04-01 | 2023-04-02 | 2023-04-10 | Inf. |
| | | Voronezh Region White Rook 2023 | Voronezh | s | 2023-03-29 | 2023-03-31 | 2023-04-08 | Inf. |
| | | Goon Memorial 2023 rapid | Magnitogorsk | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Gagarin Cup - 2023, U-19 | Lyubertsy | s | 2023-04-02 | 2023-04-02 | 2023-04-09 | Inf. |
| | | Rapid JINR Open 2023 | Dubna | s | 2023-04-01 | 2023-04-01 | 2023-04-05 | Inf. |
| | | A.K.Savchenko Memorial 2023 | Ukhta | s | 2023-04-01 | 2023-04-02 | 2023-04-11 | Inf. |
| | | Odintsovo Championship 2023 Final | Odintsovo | s | 2023-03-25 | 2023-04-02 | 2023-04-12 | Inf. |
| | | 6 stage Blitz League series RT 2022-2023 | Kazan | s | 2023-04-02 | 2023-04-02 | 2023-04-09 | Inf. |
| | | Championship Moscow 2023 A | Moscow | s | 2023-03-25 | 2023-04-02 | 2023-04-05 | Inf. |
| | | Championship Moscow 2023 B | Moscow | s | 2023-03-25 | 2023-04-02 | 2023-04-05 | Inf. |
| | | Championship Moscow 2023 women | Moscow | s | 2023-03-25 | 2023-04-02 | 2023-04-05 | Inf. |
| | | Championship Moscow 2023 rapid | Moscow | s | 2023-04-08 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Championship Moscow 2023 rapid women | Moscow | s | 2023-04-08 | 2023-04-09 | 2023-04-11 | Inf. |
| | | I.A.Bocharov Memorial Blitz Open 2023 | Borisoglebsk | s | 2023-04-02 | 2023-04-02 | 2023-04-10 | Inf. |
| | | I.A.Bocharov Memorial Rapid Open 2023 | Borisoglebsk | s | 2023-04-01 | 2023-04-01 | 2023-04-10 | Inf. |
| | | Chess Tournament "64974, PremiumChess Cup 2023; Stage 6 group A" | Moscow | s | 2023-04-02 | 2023-04-02 | 2023-04-11 | Inf. |
| | | Chess Tournament "64974, PremiumChess Cup 2023; Stage 6 group B" | Moscow | s | 2023-04-02 | 2023-04-02 | 2023-04-11 | Inf. |
| | | The Municipal Spring Chess Congress 2023 of Mytyschi | Mytyschi | s | 2023-04-01 | 2023-04-09 | 2023-04-21 | Inf. |
| | | Championship Sverdlosk region blitz 2023 | Pervouralsk | s | 2023-04-02 | 2023-04-02 | 2023-04-07 | Inf. |
| | | Championship Sverdlosk region rapid 2023 | Pervouralsk | s | 2023-04-01 | 2023-04-01 | 2023-04-07 | Inf. |
| | | Memorial A. S. Scherbakov A 2023 - Team Championship Rybinsk 2023 | Rybinsk | t | 2023-04-08 | 2023-04-08 | 2023-04-19 | Inf. |
| | | Memorial A. S. Scherbakov B 2023 - open-blitz | Rybinsk | s | 2023-04-09 | 2023-04-09 | 2023-04-19 | Inf. |
| | | Championship Rostov-on-Don - 2023_B-15 | Rostov-on-Don | s | 2023-03-28 | 2023-03-31 | 2023-04-04 | Inf. |
| | | Championship Rostov-on-Don - 2023_B-17 | Rostov-on-Don | s | 2023-03-28 | 2023-03-31 | 2023-04-04 | Inf. |
| | | Championship Rostov-on-Don - 2023_B-19 | Rostov-on-Don | s | 2023-03-28 | 2023-03-31 | 2023-04-04 | Inf. |
| | | Championship Rostov-on-Don - 2023_G-19 | Rostov-on-Don | s | 2023-03-28 | 2023-03-31 | 2023-04-04 | Inf. |
| | | Championship Rostov-on-Don - 2023_G-15 | Rostov-on-Don | s | 2023-03-28 | 2023-03-31 | 2023-04-04 | Inf. |
| | | I.Blechzin Memorial 2023 Blitz | St. Petersburg | s | 2023-04-13 | 2023-04-13 | 2023-04-21 | Inf. |
| | | Spring Vacation Trophy 2023 Blitz | St. Petersburg | s | 2023-04-02 | 2023-04-02 | 2023-04-03 | Inf. |
| | | Spring Vacation Trophy 2023 Rapid | St. Petersburg | s | 2023-04-01 | 2023-04-01 | 2023-04-03 | Inf. |
| | | Spring Vacation Trophy 2023 | St. Petersburg | s | 2023-03-27 | 2023-03-30 | 2023-04-03 | Inf. |
| | | St. Petersburg Seniors Championship 2023 | St. Petersburg | s | 2023-04-04 | 2023-04-25 | 2023-04-27 | Inf. |
| | | XIII Mukhamedzyanov Memorial 2023_blitz 1 | Aktanysh | s | 2023-04-09 | 2023-04-09 | 2023-04-17 | Inf. |
| | | XIII Mukhamedzyanov Memorial 2023_rapid 1 | Aktanysh | s | 2023-04-08 | 2023-04-08 | 2023-04-14 | Inf. |
| | | Amateurs Chess League, 2nd stage | Krasnoyarsk | s | 2023-04-01 | 2023-04-01 | 2023-04-10 | Inf. |
| | | Chess Plaza April 2023 Standard | Moscow | s | 2023-04-08 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Chess Plaza April 2023 Rapid_E | Moscow | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Chess Plaza April 2023 Rapid_B | Moscow | s | 2023-04-08 | 2023-04-08 | 2023-04-11 | Inf. |
| | | Chess Plaza April 2023 Blitz | Moscow | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | DEPO April 2023_Standard | Moscow | s | 2023-04-01 | 2023-04-02 | 2023-04-11 | Inf. |
| | | DEPO April 2023_Rapid | Moscow | r | 2023-04-01 | 2023-04-01 | 2023-04-11 | Inf. |
| | | DEPO April 2023_Blitz | Moscow | s | 2023-04-02 | 2023-04-02 | 2023-04-11 | Inf. |
| | | Rubius Cup Rapid 4 Stage | Tomsk | s | 2023-04-01 | 2023-04-02 | 2023-04-04 | Inf. |
| | | VII Cup Gran-Prix Chelyabinsk 2023 Blitz 3 (sf) | Chelyabinsk | s | 2023-03-31 | 2023-03-31 | 2023-04-08 | Inf. |
| | | VII Cup Gran-Prix Chelyabinsk 2023 Blitz 3 | Chelyabinsk | s | 2023-04-01 | 2023-04-01 | 2023-04-08 | Inf. |
| | | Orenburg OBL Champ Blitz-2023 | Orenburg | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Orenburg OBL Champ Rapid-2023 | Orenburg | s | 2023-04-07 | 2023-04-08 | 2023-04-11 | Inf. |
| | | Artur Manvelyan Memorial Rapid Open 2023 | Liski | s | 2023-04-22 | 2023-04-23 | 2023-04-27 | Inf. |
| | | Seniors UrFO Championship 2023 blitz | Satka | s | 2023-04-01 | 2023-04-01 | 2023-04-11 | Inf. |
| | | Seniors UrFO Championship 2023 rapid | Satka | s | 2023-04-02 | 2023-04-02 | 2023-04-11 | Inf. |
| | | Stavropol April Rapid - 2023 | Stavropol | s | 2023-04-02 | 2023-04-02 | 2023-04-06 | Inf. |
| | | VO Moscow. April 2023 | Moscow | s | 2023-04-02 | 2023-04-23 | 2023-04-28 | Inf. |
| | | Rapid Moscow. April 2023 - 1 | Moscow | s | 2023-04-01 | 2023-04-01 | 2023-04-03 | Inf. |
| | | Rapid Moscow. April 2023 - 2 | Moscow | s | 2023-04-08 | 2023-04-08 | 2023-04-21 | Inf. |
| | | Rapid Moscow. April 2023 - 3 | Moscow | s | 2023-04-22 | 2023-04-22 | 2023-04-28 | Inf. |
| | | Blitz Moscow. April 2023 - 1 | Moscow | s | 2023-04-01 | 2023-04-01 | 2023-04-03 | Inf. |
| | | Blitz Moscow. April 2023 - 2 | Moscow | s | 2023-04-07 | 2023-04-07 | 2023-04-21 | Inf. |
| | | Blitz Moscow. April 2023 - 3 | Moscow | s | 2023-04-08 | 2023-04-08 | 2023-04-21 | Inf. |
| | | Blitz Moscow. April 2023 - 4 | Moscow | s | 2023-04-14 | 2023-04-14 | 2023-04-21 | Inf. |
| | | Blitz Moscow. April 2023 - 5 | Moscow | s | 2023-04-15 | 2023-04-15 | 2023-04-21 | Inf. |
| | | Blitz Moscow. April 2023 - 6 | Moscow | s | 2023-04-21 | 2023-04-21 | 2023-04-28 | Inf. |
| | | Blitz Moscow. April 2023 - 7 | Moscow | s | 2023-04-22 | 2023-04-22 | 2023-04-28 | Inf. |
| | | Blitz Moscow. April 2023 - 8 | Moscow | s | 2023-04-28 | 2023-04-28 | 2023-03-28 | Inf. |
| | | Spring in the Maestro Centre 2023 | Berdsk | r | 2023-03-29 | 2023-04-01 | 2023-04-07 | Inf. |
| | | Sergievskiy Memorial Blitz 2023 | Cheboksary | s | 2023-04-15 | 2023-04-15 | 2023-04-16 | Inf. |
| | | Sergievskiy Memorial Rapid 2023 | Cheboksary | s | 2023-04-16 | 2023-04-16 | 2023-04-16 | Inf. |
| | | Novosibirsk Region Cup 2023, 1st stage. Women. Blitz | Novosibirsk | s | 2023-04-16 | 2023-04-16 | 2023-04-24 | Inf. |
| | | Novosibirsk Region Cup 2023, 1st stage. Men. Blitz | Novosibirsk | s | 2023-04-16 | 2023-04-16 | 2023-04-24 | Inf. |
| | | Novosibirsk Region Cup 2023, 1st stage. Men. Rapid | Novosibirsk | s | 2023-04-15 | 2023-04-15 | 2023-04-24 | Inf. |
| | | Novosibirsk Region Cup 2023, 1st stage. Women. Rapid | Novosibirsk | s | 2023-04-15 | 2023-04-15 | 2023-04-24 | Inf. |
| | | Carl Jaenisch Memorial 2023 at PGUPS | St. Petersburg | s | 2023-04-03 | 2023-04-03 | 2023-04-06 | Inf. |
| | | Standard Perm 2023 April | Perm | s | 2023-04-08 | 2023-04-16 | 2023-04-25 | Inf. |
| | | Moscow region blitz team girls under 17 2023 | Krasnogorsk | t | 2023-04-09 | 2023-04-09 | 2023-04-17 | Inf. |
| | | Moscow region blitz team under 17 2023 | Krasnogorsk | t | 2023-04-09 | 2023-04-09 | 2023-04-21 | Inf. |
| | | Moscow region rapid team under 11 2023 | Krasnogorsk | t | 2023-04-08 | 2023-04-08 | 2023-04-21 | Inf. |
| | | Moscow region rapid team under 13 2023 | Krasnogorsk | t | 2023-04-08 | 2023-04-08 | 2023-04-17 | Inf. |
| | | Moscow region rapid team under 17 2023 | Krasnogorsk | t | 2023-04-08 | 2023-04-08 | 2023-04-17 | Inf. |
| | | Moscow region rapid team girls under 17 2023 | Krasnogorsk | t | 2023-04-08 | 2023-04-08 | 2023-04-17 | Inf. |
| | | Kimry Spring 2023 | Kimry | s | 2023-04-09 | 2023-04-09 | 2023-04-18 | Inf. |
| | | Karelian Olonets Osipov memorial 2023 rapid | Olonets | s | 2023-04-22 | 2023-04-22 | 2023-04-28 | Inf. |
| | | Rapid Novosibirsk Cup 2023 - 2 stage | Novosibirsk | s | 2023-04-22 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Etude Rapid C April 2023 | Novosibirsk | s | 2023-04-15 | 2023-04-16 | 2023-04-24 | Inf. |
| | | Spring rapid | Astrakhan | s | 2023-04-12 | 2023-04-12 | 2023-04-21 | Inf. |
| | | Championship Sports School Tuimazy 2023 Blitz | Tuimazy | s | 2023-04-08 | 2023-04-08 | 2023-04-16 | Inf. |
| | | Championship Sports School Tuimazy 2023 Rapid | Tuimazy | s | 2023-04-09 | 2023-04-09 | 2023-04-17 | Inf. |
| | | Overtime Blitz Cup 2023-5 | St. Petersburg | d | 2023-04-23 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Overtime Round Robin Blitz 2023-4 | St. Petersburg | r | 2023-04-15 | 2023-04-15 | 2023-04-18 | Inf. |
| | | Overtime Rapid Cup U15 2023-4 | St. Petersburg | s | 2023-04-09 | 2023-04-09 | 2023-04-10 | Inf. |
| | | Yekaterinburg Women Blitz Championship 2023 | Yekaterinburg | s | 2023-04-09 | 2023-04-09 | 2023-04-10 | Inf. |
| | | Yekaterinburg Men Blitz Championship 2023 | Yekaterinburg | s | 2023-04-09 | 2023-04-09 | 2023-04-10 | Inf. |
| | | Tver Region Chess Cup (rapid ) - 2nd stage | Konakovo | s | 2023-04-23 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Konakovo Mayor's Cup 2023 | Konakovo | s | 2023-04-16 | 2023-04-16 | 2023-04-19 | Inf. |
| | | Vladikavkaz Major's Cup 2023_Blitz A | Vladikavkaz | s | 2023-04-08 | 2023-04-08 | 2023-04-18 | Inf. |
| | | Vladikavkaz Major's Cup 2023_Blitz B | Vladikavkaz | s | 2023-04-08 | 2023-04-08 | 2023-04-18 | Inf. |
| | | Vladikavkaz Major's Cup 2023_Rapid | Vladikavkaz | s | 2023-04-09 | 2023-04-09 | 2023-04-21 | Inf. |
| | | UR Cup 2023 blz (SCK st. 3) | Izhevsk | d | 2023-04-11 | 2023-04-11 | 2023-04-18 | Inf. |
| | | UR Cup 2023 rpd (SCK st. 2) | Izhevsk | r | 2023-04-18 | 2023-04-18 | 2023-04-21 | Inf. |
| | | UR Cup 2023 blz (SCK st. 4) | Izhevsk | d | 2023-04-27 | 2023-04-27 | 2023-04-28 | Inf. |
| | | Kuzbass Cup 2023 Rapid 2 | Myski | s | 2023-04-08 | 2023-04-09 | 2023-04-14 | Inf. |
| | | Spring on Ladoga 2023. Blitz | Novaya Ladoga | s | 2023-04-07 | 2023-04-07 | 2023-04-16 | Inf. |
| | | Tournament in honor of the opening of the chess exposition in "Nastavnik" | Rostov-on-Don | s | 2023-04-09 | 2023-04-09 | 2023-04-18 | Inf. |
| | | Berdsk Rapid Cup 2023, Stage 3 | Berdsk | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Odintsovo_Pegas A | Odintsovo | s | 2023-04-09 | 2023-04-09 | 2023-04-18 | Inf. |
| | | Rapid_Cosmonautics Day (women) | Poikovsky | s | 2023-04-08 | 2023-04-08 | 2023-04-13 | Inf. |
| | | Rapid_Cosmonautics Day (men) | Poikovsky | s | 2023-04-08 | 2023-04-08 | 2023-04-13 | Inf. |
| | | Tambov Region Rapid Chess Championship 2023 | Tambov | s | 2023-04-15 | 2023-04-16 | 2023-04-16 | Inf. |
| | | Rapid Verbilki Spring 2023 | Verbilki | s | 2023-04-15 | 2023-04-15 | 2023-04-21 | Inf. |
| | | Strupinsky Memorial_rapid_2023 | Nizhniy Tagil | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Empire_Lounge_A | Moscow | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Empire_Lounge_B | Moscow | s | 2023-04-09 | 2023-04-09 | 2023-04-11 | Inf. |
| | | Gagarinsky April 2023_Standard | Moscow | s | 2023-04-15 | 2023-04-16 | 2023-04-21 | Inf. |
| | | Gagarinsky April 2023_Blitz | Moscow | s | 2023-04-16 | 2023-04-16 | 2023-04-21 | Inf. |
| | | Gagarinsky April 2023_Rapid | Moscow | s | 2023-04-15 | 2023-04-15 | 2023-04-21 | Inf. |
| | | Chess Federation Cup of the Republic of Bashkortostan (stage 4) | Ufa | s | 2023-04-09 | 2023-04-09 | 2023-04-17 | Inf. |
| | | 31th M.A. Gerchikov Memorial | Lyubertsy | s | 2023-04-15 | 2023-04-15 | 2023-04-22 | Inf. |
| | | Kuzbass Cup 2023 Rapid 3 | Prokopjevsk | s | 2023-04-15 | 2023-04-16 | 2023-04-22 | Inf. |
| | | Pushkin City Cup 2023 Blitz Open, Stage 4 | St. Petersburg | s | 2023-04-09 | 2023-04-09 | 2023-04-14 | Inf. |
| | | Pushkin City Cup 2023 Rapid Open, Stage 4 | St. Petersburg | s | 2023-04-08 | 2023-04-08 | 2023-04-14 | Inf. |
| | | Team Tournament "Formula of Success" | Moscow | t | 2023-04-15 | 2023-04-15 | 2023-04-25 | Inf. |
| | | Novocherkassk open senior rapid 2023 | Novocherkassk | s | 2023-04-22 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Maloy District Blitz 2023 Stage 7_1 | Maloyaroslavets | s | 2023-04-23 | 2023-04-23 | 2023-04-24 | Inf. |
| | | 78th Championship Maikop 2023 | Maikop | s | 2023-04-13 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Kirov City Chess Championship 2023 | Kirov | s | 2023-04-07 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Odintsovo Cosmonautics day 2023 A | Odintsovo | s | 2023-04-16 | 2023-04-16 | 2023-04-25 | Inf. |
| | | Odintsovo Cosmonautics day 2023 B | Odintsovo | s | 2023-04-16 | 2023-04-16 | 2023-04-27 | Inf. |
| | | Khimki_Cosmonautics Day | Khimki | s | 2023-04-15 | 2023-04-15 | 2023-04-25 | Inf. |
| | | Novosibirsk Seniors Rapid Team Tournament "Trough Sport - towards Active Longevity - 2023" | Novosibirsk | t | 2023-04-18 | 2023-04-19 | 2023-04-26 | Inf. |
| | | Space Encounters 2023 Khimki 2023 A (U15) | Khimki | s | 2023-04-23 | 2023-04-23 | 2023-04-29 | Inf. |
| | | Krestovsky Cup - 4 | St. Petersburg | s | 2023-04-15 | 2023-04-23 | 2023-04-25 | Inf. |
| | | Europolis 2023 (April)_Blitz | Moscow | s | 2023-04-23 | 2023-04-23 | 2023-04-27 | Inf. |
| | | Europolis 2023 (April)_Rapid C | Moscow | s | 2023-04-22 | 2023-04-22 | 2023-04-27 | Inf. |
| | | Europolis 2023 (April) | Moscow | s | 2023-04-22 | 2023-04-23 | 2023-04-27 | Inf. |
| Tournament System: r = Round Robin,d = Double RR, s = Swiss, t = Team, m = Match |
