Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date May 16, 2026 (latest changes May 14, 2026).
62 place (499.65).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (843.14 * 3.05 * 0.14 + 775.28 * 3.75 * 0.43 + 912.28 * 3.90 * 1 + 0 + 0) / (3.05 * 0.14 + 3.75 * 0.43 + 3.90 * 1 + 1 + 1) = 651.0610788363981
p2 = (912.28 * 3.90 * 1 + 775.28 * 3.75 * 0.43 + 843.14 * 3.05 * 0.14) / max_coefficients = 348.2451178451179
score = 651.0610788363981 * 0.5 + 348.2451178451179 * 0.5 = 499.653098340758
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-12 | 50 -> 62 | 577.87 -> 499.65 |
X Russian Championship: 14% -> 0% |
| 2026-05-03 | 47 -> 50 | 576.56 -> 577.87 | |
| 2026-05-01 | 48 -> 47 | 576.56 | |
| 2026-04-13 | 47 -> 48 | 590.80 -> 576.56 |
Moscow Riichi 2024: 57% -> 43% |
| 2026-04-11 | 44 -> 47 | 590.80 | |
| 2026-04-09 | 40 -> 44 | 605.07 -> 590.80 |
Agari Summer Tournament 2024: 29% -> 14% |
| 2026-04-05 | 37 -> 40 | 605.07 | |
| 2026-04-02 | 38 -> 37 | 605.07 | |
| 2026-03-30 | 39 -> 38 | 605.07 | |
| 2026-03-26 | 40 -> 39 | 605.07 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 912 |
|
6/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 2 | 775 |
|
21/90 | 43% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 3 | 843 |
|
9/52 | 14% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 4 | 972 |
|
4/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 5 | 765 |
|
13/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 6 | 627 |
|
29/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 7 | 946 |
|
7/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 8 | 935 |
|
🥉 | 3/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow |
| 9 | 1000 |
|
🥇 | 1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |
| 10 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 11 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 12 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 | Saint Petersburg | |
| 13 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 | Moscow | |
| 14 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) | Moscow | |
| 15 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 | Moscow | |
| 16 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 | Moscow | |
| 17 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 | Moscow | |
| 18 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |