| PGN | | Event Name | City | Sys | Start | End | Received | I |
|
Tournaments registered for May 2021 (2021-05-01)
|
| |  | Berdsk Rapid Cup 2021, Stage 1 | Berdsk | s | 2021-04-25 | 2021-04-25 | 2021-04-26 | Inf. |
| | | Rostov-on-Don April 2021 blitz | Rostov-on-Don | r | 2021-04-25 | 2021-04-25 | 2021-04-25 | Inf. |
| | | V Cup Grand-Prix Chelyabinsk 2021 Blitz 2 | Chelyabinsk | s | 2021-04-25 | 2021-04-25 | 2021-04-29 | Inf. |
| | | 29 Memorial Mastera sporta SSSR M.A. Gerchikova | Lyubertsy | s | 2021-04-25 | 2021-04-25 | 2021-04-29 | Inf. |
| | | Karelian Olonets Osipov memorial 2021 rapid | Olonets | s | 2021-04-25 | 2021-04-25 | 2021-04-28 | Inf. |
| | | The 2021 Khimki City District Rapid Chess Championship for men and women | Khimki | s | 2021-04-25 | 2021-04-25 | 2021-04-29 | Inf. |
| | | Chess club Olimpic rapid april-4 | Mytishchi | r | 2021-04-25 | 2021-04-25 | 2021-04-28 | Inf. |
| | | Profi64 - Champion | Ufa | s | 2021-04-25 | 2021-04-25 | 2021-04-29 | Inf. |
| | | Rapid Moscow. April 2021 - 4 | Moscow | s | 2021-04-24 | 2021-04-24 | 2021-04-25 | Inf. |
| | | Blitz Moscow. April 2021 - 8 | Moscow | s | 2021-04-24 | 2021-04-24 | 2021-04-25 | Inf. |
| | | Spring rapid Verbilki | Verbilki | s | 2021-04-24 | 2021-04-24 | 2021-04-28 | Inf. |
| | | Rostov-on-Don April 2021 rapid | Rostov-on-Don | s | 2021-04-24 | 2021-04-24 | 2021-04-25 | Inf. |
| | | Ulianovsk Cup 2021 | Ulianovsk | s | 2021-04-24 | 2021-04-28 | 2021-04-28 | Inf. |
| | | V Cup Gran-Prix Chelyabinsk 2021 Blitz 2 (sf) | Chelyabinsk | s | 2021-04-24 | 2021-04-24 | 2021-04-29 | Inf. |
| | | Konakovo Rapid Championship 2021 | Konakovo | s | 2021-04-24 | 2021-04-24 | 2021-04-28 | Inf. |
| | | Blitz Moscow. April 2021 - 7 | Moscow | s | 2021-04-23 | 2021-04-23 | 2021-04-26 | Inf. |
| | | III stage ICCC Cup 2021 (Rapid) | Irkutsk | s | 2021-04-19 | 2021-04-19 | 2021-04-20 | Inf. |
| | | 2020 FIDE World Chess Candidates Tournament | Yekaterinburg | r | 2021-04-19 | 2021-04-27 | 2021-04-30 | Inf. |
| | | Chess club Olimpic rapid april-3 | Mytishchi | s | 2021-04-18 | 2021-04-18 | 2021-04-19 | Inf. |
| | | Blitz League series RT 2019-2020 final | Kazan | s | 2021-04-18 | 2021-04-18 | 2021-04-26 | Inf. |
| | | Dedovsk Cup Stage April 2021 | Dedovsk | s | 2021-04-18 | 2021-04-18 | 2021-04-21 | Inf. |
| | | Petrograd District Blitz 2021-8 | St. Petersburg | s | 2021-04-18 | 2021-04-18 | 2021-04-21 | Inf. |
| | | 1st stage_Cup of the Head of Konakovo 2021 | Konakovo | s | 2021-04-18 | 2021-04-18 | 2021-04-22 | Inf. |
| | | Novosibirsk Region Blitz Cup. Men. Stage 1 | Novosibirsk | s | 2021-04-18 | 2021-04-18 | 2021-04-26 | Inf. |
| | | XI memorial R.S.Gun 2021 rapid | Magnitogorsk | s | 2021-04-18 | 2021-04-18 | 2021-04-20 | Inf. |
| | | I.Blechzin Memorial Blitz, 2021 Apr | St. Petersburg | s | 2021-04-18 | 2021-04-18 | 2021-04-22 | Inf. |
| | | Novosibirsk Region Blitz Cup. U18. Stage 1 | Novosibirsk | s | 2021-04-18 | 2021-04-18 | 2021-04-26 | Inf. |
| | | III stage ICCC Cup 2021 (blitz) | Irkutsk | s | 2021-04-18 | 2021-04-18 | 2021-04-20 | Inf. |
| | | Novosibirsk Region Blitz Cup. D18. Stage 1 | Novosibirsk | s | 2021-04-18 | 2021-04-18 | 2021-04-26 | Inf. |
| | | Novosibirsk Region Blitz Cup. M13. Stage 1 | Novosibirsk | s | 2021-04-18 | 2021-04-18 | 2021-04-26 | Inf. |
| | | Rapid Moscow. April 2021 - 3 | Moscow | s | 2021-04-17 | 2021-04-17 | 2021-04-25 | Inf. |
| | | Blitz Moscow. April 2021 - 6 | Moscow | s | 2021-04-17 | 2021-04-17 | 2021-04-25 | Inf. |
| | | Petrograd District Rapid 2021-8 | St. Petersburg | s | 2021-04-17 | 2021-04-17 | 2021-04-23 | Inf. |
| | | A.Goldman Memorial 2021 Rapid Seniors | St. Petersburg | s | 2021-04-17 | 2021-04-18 | 2021-04-20 | Inf. |
| | | Kuzbass Cup 2021 Rapid 4 | Prokopjevsk | s | 2021-04-17 | 2021-04-18 | 2021-04-24 | Inf. |
| | | Tambov Region Rapid Chess Championship 2021 | Tambov | s | 2021-04-17 | 2021-04-18 | 2021-04-19 | Inf. |
| | | Rapid Grand Prix 2021 - Chelny 7th stage | Naberezhnye Chelny | s | 2021-04-17 | 2021-04-18 | 2021-04-20 | Inf. |
| | | Grand Prix Blitz Yekaterinburg. 2nd stage | Yekaterinburg | s | 2021-04-17 | 2021-04-17 | 2021-04-20 | Inf. |
| | | Novosibirsk Region Rapid Cup. U18. Stage 1 | Novosibirsk | s | 2021-04-17 | 2021-04-17 | 2021-04-24 | Inf. |
| | | Novosibirsk Region Rapid Cup. D18. Stage 1 | Novosibirsk | s | 2021-04-17 | 2021-04-17 | 2021-04-24 | Inf. |
| | | Novosibirsk Region Rapid Cup. M13. Stage 1 | Novosibirsk | s | 2021-04-17 | 2021-04-17 | 2021-04-24 | Inf. |
| | | Novosibirsk Region Rapid Cup. Men. Stage 1 | Novosibirsk | s | 2021-04-17 | 2021-04-17 | 2021-04-24 | Inf. |
| | | Tatarstan chess federation cup - rapid tournament final | Kazan | s | 2021-04-17 | 2021-04-17 | 2021-04-26 | Inf. |
| | | Krasnoznamensk open A | Krasnoznamensk | s | 2021-04-17 | 2021-04-17 | 2021-04-28 | Inf. |
| | | Dostoyanie-15 Rapid | Kaluga | s | 2021-04-17 | 2021-04-17 | 2021-04-22 | Inf. |
| | | Blitz Moscow. April 2021 - 5 | Moscow | s | 2021-04-16 | 2021-04-16 | 2021-04-25 | Inf. |
| | | UR chmp 2021 rpd (2 gr.) | Izhevsk | s | 2021-04-15 | 2021-04-17 | 2021-04-19 | Inf. |
| | | UR chmp 2021 rpd (1 gr.) | Izhevsk | s | 2021-04-15 | 2021-04-17 | 2021-04-19 | Inf. |
| | | Spring rapid chess tournament at PGUPS | St. Petersburg | s | 2021-04-15 | 2021-04-15 | 2021-04-20 | Inf. |
| | | UR Cup 2021 blz (SCK st. 4) | Izhevsk | s | 2021-04-14 | 2021-04-14 | 2021-04-15 | Inf. |
| | | Deaf Chmp. RUS 2021 Team | Zelenograd | t | 2021-04-14 | 2021-04-15 | 2021-04-18 | Inf. |
| | | Petrograd District Blitz 2021-7, I.Blechzin Memorial | St. Petersburg | s | 2021-04-13 | 2021-04-13 | 2021-04-15 | Inf. |
| | | Grand Prix Rapid Yekaterinburg. 2nd stage | Yekaterinburg | s | 2021-04-11 | 2021-04-11 | 2021-04-13 | Inf. |
| | | Championship Sports School Tuimazy-2021 (Rapid) | Tuimazy | s | 2021-04-11 | 2021-04-11 | 2021-04-14 | Inf. |
| | | IV stage ICCC Cup 2021 (Rapid) | Irkutsk | s | 2021-04-11 | 2021-04-11 | 2021-04-19 | Inf. |
| | | Odintsovo Cosmonautics day 2021 | Odintsovo | s | 2021-04-11 | 2021-04-11 | 2021-04-12 | Inf. |
| | | Pushkin 2021 Cosmonautics Day Blitz | St. Petersburg | s | 2021-04-11 | 2021-04-11 | 2021-04-13 | Inf. |
| | | Maloy Rapid 2020 Stage 34_1 | Maloyaroslavets | s | 2021-04-11 | 2021-04-11 | 2021-04-13 | Inf. |
| | | Overtime Rapid Cup U15 2021-6 | St. Petersburg | r | 2021-04-11 | 2021-04-11 | 2021-04-13 | Inf. |
| | | St. Petersburg Seniors Team Blitz Championship 2021 | St. Petersburg | t | 2021-04-11 | 2021-04-11 | 2021-04-14 | Inf. |
| | | VEGAS_APRIL_Rapid_2 | Nemchinovka | s | 2021-04-11 | 2021-04-11 | 2021-04-17 | Inf. |
| | | VEGAS_APRIL_Blitz | Nemchinovka | s | 2021-04-11 | 2021-04-11 | 2021-04-14 | Inf. |
| | | Petrograd District Rapid 2021-7 | St. Petersburg | s | 2021-04-10 | 2021-04-10 | 2021-04-13 | Inf. |
| | | Blitz Moscow. April 2021 - 4 | Moscow | s | 2021-04-10 | 2021-04-10 | 2021-04-11 | Inf. |
| | | Rapid Moscow. April 2021 - 2 | Moscow | s | 2021-04-10 | 2021-04-10 | 2021-04-11 | Inf. |
| | | Newspaper Nashe Vremya - 100 | Rostov-on-Don | s | 2021-04-10 | 2021-04-10 | 2021-04-13 | Inf. |
| | | VEGAS_APRIL_Rapid_1 | Nemchinovka | s | 2021-04-10 | 2021-04-10 | 2021-04-17 | Inf. |
| | | VEGAS_APRIL_Standard | Nemchinovka | s | 2021-04-10 | 2021-04-11 | 2021-04-14 | Inf. |
| | | Rapid regional team championship among the MO 2021 | Tver | t | 2021-04-10 | 2021-04-10 | 2021-04-15 | Inf. |
| | | Memorial of Yuri Gagarin and V. S. Seregin 2021_juniors_B | Kirzhach | s | 2021-04-10 | 2021-04-10 | 2021-04-11 | Inf. |
| | | Memorial of Yuri Gagarin and V. S. Seregin 2021_juniors_A | Kirzhach | r | 2021-04-10 | 2021-04-10 | 2021-04-11 | Inf. |
| | | Pushkin 2021 Cosmonautics Day Rapid | St. Petersburg | s | 2021-04-10 | 2021-04-10 | 2021-04-13 | Inf. |
| | | Championship Sports School Tuimazy-2021 (Blitz) | Tuimazy | s | 2021-04-10 | 2021-04-10 | 2021-04-14 | Inf. |
| | | 76th Championship of Maikop 2021_men | Maikop | s | 2021-04-10 | 2021-04-24 | 2021-04-25 | Inf. |
| | | Kuibyshev district Blitz cup. Stage 1 | Kuibyshev | s | 2021-04-10 | 2021-04-10 | 2021-04-13 | Inf. |
| | | Satka Cup 2021 rapid (2nd lap) | Satka | s | 2021-04-10 | 2021-04-10 | 2021-04-20 | Inf. |
| | | IV stage ICCC Cup 2021 (blitz) | Irkutsk | s | 2021-04-10 | 2021-04-10 | 2021-04-19 | Inf. |
| | | Yuri Gagarin Memorial_Rapid | Krasnoyarsk | s | 2021-04-10 | 2021-04-11 | 2021-04-21 | Inf. |
| | | Russian Championship B13 1st league 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship G11 1st league 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship G11 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship B11 1st league 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship G13 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship B11 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship B13 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship G13 1st league 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Russian Championship G15 1st league 2021 | Loo | s | 2021-04-09 | 2021-04-17 | 2021-04-17 | Inf. |
| | | Blitz Moscow. April 2021 - 3 | Moscow | s | 2021-04-09 | 2021-04-09 | 2021-04-11 | Inf. |
| | | Yakutsk Champ. 2021 | Yakutsk | s | 2021-04-09 | 2021-04-11 | 2021-04-18 | Inf. |
| | | Sergievskiy Memorial Rapid 2021 | Cheboksary | s | 2021-04-09 | 2021-04-11 | 2021-04-15 | Inf. |
| | | Berdsk Blitz Cup 2021, Stage 1 | Berdsk | s | 2021-04-07 | 2021-04-07 | 2021-04-07 | Inf. |
| | | 1 EP Rapid Chess Cup of Angarsk | Angarsk | s | 2021-04-05 | 2021-04-05 | 2021-04-19 | Inf. |
| | | VLADIMIR REGION CHESS CUP | Vladimir | s | 2021-04-05 | 2021-04-11 | 2021-04-19 | Inf. |
| | | Kuzmolovo Rapid Cup 2021-4 | St. Petersburg | s | 2021-04-04 | 2021-04-04 | 2021-04-09 | Inf. |
| | | Pushchino Championship among schoolchildren 2021 Blz | Pushchino | r | 2021-04-04 | 2021-04-04 | 2021-04-10 | Inf. |
| | | VLADIMIR REGION CHESS CUP_RAPID | Vladimir | s | 2021-04-04 | 2021-04-04 | 2021-04-10 | Inf. |
| | | IX Cup Gran-Prix Chelyabinsk 2021 Rapid 2 | Chelyabinsk | s | 2021-04-04 | 2021-04-04 | 2021-04-13 | Inf. |
| | | Cup of FCNO blitz_2021 | Nizhniy Novgorod | s | 2021-04-04 | 2021-04-04 | 2021-04-12 | Inf. |
| | | B.A. Bludov memorial_blitz | Angarsk | s | 2021-04-04 | 2021-04-04 | 2021-04-05 | Inf. |
| | | Geologist day final 2021 | Omsk | s | 2021-04-04 | 2021-04-04 | 2021-04-14 | Inf. |
| | | Kimry Spring 2021 | Kimry | s | 2021-04-04 | 2021-04-04 | 2021-04-13 | Inf. |
| | | Overtime Rapid Cup U15 2021-5 | St. Petersburg | s | 2021-04-04 | 2021-04-04 | 2021-04-09 | Inf. |
| | | Chess club Olimpic rapid april-1 | Mytischi | s | 2021-04-04 | 2021-04-04 | 2021-04-06 | Inf. |
| | | I.A.Bocharov Memorial Blitz Open 2021 | Borisoglebsk | s | 2021-04-04 | 2021-04-04 | 2021-04-17 | Inf. |
| | | Karelian 2021 rapid chmp | Petrozavodsk | s | 2021-04-03 | 2021-04-04 | 2021-04-13 | Inf. |
| | | I.A.Bocharov Memorial Rapid Open 2021 | Borisoglebsk | s | 2021-04-03 | 2021-04-03 | 2021-04-16 | Inf. |
| | | VLADIMIR REGION CHESS CUP_BLITZ | Vladimir | s | 2021-04-03 | 2021-04-03 | 2021-04-04 | Inf. |
| | | Memorial A. S. Scherbakov A 2021 - Team Championship Rybinsk 2021 | Rybinsk | t | 2021-04-03 | 2021-04-03 | 2021-04-12 | Inf. |
| | | Malachite casket-2021. 13th stage | Ekaterinburg | s | 2021-04-03 | 2021-04-03 | 2021-04-06 | Inf. |
| | | Deaf Chmp. RUS 2021 Men | Zelenograd | s | 2021-04-03 | 2021-04-13 | 2021-04-18 | Inf. |
| | | Deaf Chmp. RUS 2021 Women | Zelenograd | s | 2021-04-03 | 2021-04-13 | 2021-04-18 | Inf. |
| | | Kuzbass Cup 2021 Rapid 3 | Myski | s | 2021-04-03 | 2021-04-04 | 2021-04-05 | Inf. |
| | | Petrograd District Rapid 2021-6 | St. Petersburg | s | 2021-04-03 | 2021-04-03 | 2021-04-09 | Inf. |
| | | Blitz Moscow. April 2021 - 2 | Moscow | s | 2021-04-03 | 2021-04-03 | 2021-04-11 | Inf. |
| | | Krasnoyarsk region rapid cup 2021. 5 stage. | Krasnoyarsk | s | 2021-04-03 | 2021-04-04 | 2021-04-14 | Inf. |
| | | Pushchino Championship among schoolchildren 2021 Rpd | Pushchino | s | 2021-04-03 | 2021-04-03 | 2021-04-09 | Inf. |
| | | Rapid Moscow. April 2021 - 1 | Moscow | s | 2021-04-03 | 2021-04-03 | 2021-04-11 | Inf. |
| | | Deaf Blitz Chmp. RUS 2021 Men | Zelenograd | s | 2021-04-02 | 2021-04-02 | 2021-04-04 | Inf. |
| | | IX Cup Gran-Prix Chelyabinsk 2021 Rapid 2 (sf) | Chelyabinsk | s | 2021-04-02 | 2021-04-03 | 2021-04-13 | Inf. |
| | | Blitz Moscow. April 2021 - 1 | Moscow | s | 2021-04-02 | 2021-04-02 | 2021-04-11 | Inf. |
| | | Deaf Blitz Chmp. RUS 2021 Women | Zelenograd | r | 2021-04-02 | 2021-04-02 | 2021-04-04 | Inf. |
| | | 92 Novosibirsk Chess Championship - 2021 Final | Novosibirsk | s | 2021-04-02 | 2021-04-21 | 2021-04-25 | Inf. |
| | | Samara City Championships 2021 men | Samara | s | 2021-04-02 | 2021-04-20 | 2021-04-26 | Inf. |
| | | Naberezhnye Chelny cup 2021 blitz 8th stage | Naberezhnye Chelny | s | 2021-04-02 | 2021-04-02 | 2021-04-11 | Inf. |
| | | SKFO men Blitz Championship 2021 | Grozny | s | 2021-03-30 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Championship of Russia on sport of blind people 2021. Blitz | Kostroma | s | 2021-03-30 | 2021-03-30 | 2021-03-31 | Inf. |
| | | SKFO women Blitz Championship 2021 | Grozny | r | 2021-03-30 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Blitz chess champ of Novosibirsk region_juniors u19 | Novosibirsk | s | 2021-03-29 | 2021-03-29 | 2021-04-09 | Inf. |
| | | SouthFR Chmpionship Women 2021 Blitz | Krasnoslobodsk | r | 2021-03-29 | 2021-03-29 | 2021-04-04 | Inf. |
| | | Open semifinal of the champ. of RB | Uchaly | s | 2021-03-29 | 2021-04-01 | 2021-04-02 | Inf. |
| | | Open the semifinal of the champ. of RB_rapid | Uchaly | s | 2021-03-28 | 2021-03-28 | 2021-03-31 | Inf. |
| | | Championship of Russia on sport of blind people 2021. Rapid | Kostroma | s | 2021-03-28 | 2021-03-29 | 2021-03-31 | Inf. |
| | | Dedovsk Cup Stage March 2021 | Dedovsk | s | 2021-03-28 | 2021-03-28 | 2021-04-05 | Inf. |
| | | SouthFR Chmpionship Women 2021 Rapid | Krasnoslobodsk | s | 2021-03-28 | 2021-03-28 | 2021-04-04 | Inf. |
| | | Rapid Moscow. March 2021 - 4 | Moscow | s | 2021-03-27 | 2021-03-27 | 2021-03-31 | Inf. |
| | | Blitz Moscow. March 2021 - 8 | Moscow | s | 2021-03-27 | 2021-03-27 | 2021-03-31 | Inf. |
| | | Memorial A.K.Savchenko 2021 | Ukhta | s | 2021-03-27 | 2021-03-28 | 2021-04-11 | Inf. |
| | | Magnitogorsk Champ 2021 B19 | Magnitogorsk | s | 2021-03-27 | 2021-04-04 | 2021-04-06 | Inf. |
| | | Open the semifinal of the champ. of RB_blitz | Uchaly | s | 2021-03-27 | 2021-03-27 | 2021-03-31 | Inf. |
| | | Novokuznetsk Champ.2021 SF1 | Novokuznetsk | s | 2021-03-27 | 2021-04-25 | 2021-04-28 | Inf. |
| | | St. Petersburg 94th Championship Final, Men | St. Petersburg | s | 2021-03-25 | 2021-04-02 | 2021-04-07 | Inf. |
| | | St. Petersburg 89th Championship Final, Women | St. Petersburg | s | 2021-03-25 | 2021-04-02 | 2021-04-07 | Inf. |
| | | Championship Moscow 2021 (women) | Moscow | s | 2021-03-25 | 2021-04-02 | 2021-04-09 | Inf. |
| | | Championship Moscow 2021 (men) | Moscow | s | 2021-03-25 | 2021-04-02 | 2021-04-09 | Inf. |
 | | Chelyabinskiy variant 2021 - A | Chelyabinsk | s | 2021-03-23 | 2021-03-31 | 2021-04-05 | Inf. |
| | | Chelyabinskiy variant 2021 - B | Chelyabinsk | s | 2021-03-23 | 2021-03-31 | 2021-04-07 | Inf. |
| | | Championship PFO_standard_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_B-11_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_B-13_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Women Championship PFO_standard_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_G-11_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_G-15_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-28 | 2021-04-06 | Inf. |
| | | Cup of Minin_B-9_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_G-13_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | Cup of Minin_B-15_2021 | Nizhniy Novgorod | s | 2021-03-22 | 2021-03-30 | 2021-04-06 | Inf. |
| | | ZAO21_03a | Moscow | s | 2021-03-21 | 2021-03-28 | 2021-04-05 | Inf. |
| | | SKFO men Championship 2021 | Grozny | s | 2021-03-21 | 2021-03-29 | 2021-04-05 | Inf. |
| | | 60-th anniversary of Palace of Culture Rostselmash | Rostov-on-Don | s | 2021-03-21 | 2021-04-04 | 2021-04-17 | Inf. |
| | | Championship2021CFOmen | Tula | s | 2021-03-20 | 2021-03-28 | 2021-04-10 | Inf. |
| | | V.Yandemirov memorial - B15 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | V.Yandemirov memorial - G15 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | V.Yandemirov memorial - B11 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | V.Yandemirov memorial - G11 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | V.Yandemirov memorial - G13 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | V.Yandemirov memorial - B13 | Kazan | s | 2021-03-20 | 2021-03-28 | 2021-04-07 | Inf. |
| | | Link of times - link of generations_2021 | Moscow | s | 2021-03-19 | 2021-03-28 | 2021-04-04 | Inf. |
| | | SouthFR Chmpionship Women 2021 | Krasnoslobodsk | s | 2021-03-19 | 2021-03-27 | 2021-04-04 | Inf. |
| | | Championship of Russia on sport of blind people 2021. Standard | Kostroma | s | 2021-03-19 | 2021-03-27 | 2021-03-31 | Inf. |
| | | VO Moscow. March 2021 | Moscow | s | 2021-03-14 | 2021-04-04 | 2021-04-11 | Inf. |
| | | Sunday in Skolkovo. March 2021 | Moscow | s | 2021-03-14 | 2021-04-04 | 2021-04-07 | Inf. |
| | | ZAO21_03b | Moscow | s | 2021-03-13 | 2021-03-14 | 2021-04-04 | Inf. |
| | | OPEN Moscow. March 2021 | Moscow | s | 2021-03-09 | 2021-04-01 | 2021-04-11 | Inf. |
| Tournament System: r = Round Robin,d = Double RR, s = Swiss, t = Team, m = Match |
