Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date May 20, 2025 (latest changes May 12, 2025).
7 place (755.51).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (764.71 * 3.05 * 0.71 + 971.96 * 4.60 * 0.86 + 843.14 * 3.05 * 1 + 775.28 * 3.75 * 1 + 0) / (3.05 * 0.71 + 4.60 * 0.86 + 3.05 * 1 + 3.75 * 1 + 1) = 788.5046448690944
p2 = (971.96 * 4.60 * 0.86 + 775.28 * 3.75 * 1 + 843.14 * 3.05 * 1 + 764.71 * 3.05 * 0.71) / max_coefficients = 722.5192955019069
score = 788.5046448690944 * 0.5 + 722.5192955019069 * 0.5 = 755.5119701855006
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-05-12 | 6 -> 7 | 764.82 -> 755.51 |
X Russian Championship: 100% -> 86% |
2025-05-10 | 4 -> 6 | 774.86 -> 764.82 |
Agari Spring Tournament 2024: 86% -> 71% |
2025-03-10 | 3 -> 4 | 784.94 -> 774.86 |
Agari Spring Tournament 2024: 100% -> 86% |
2025-03-03 | 4 -> 3 | 784.94 | |
2025-02-11 | 3 -> 4 | 784.94 | |
2025-01-07 | 2 -> 3 | 784.94 | |
2025-01-03 | 4 -> 2 | 784.94 | |
2024-11-06 | 1 -> 4 | 807.99 -> 784.94 |
IX Russian Riichi Championship: 14% -> 0% |
2024-10-13 | 10 -> 1 | 710.35 -> 807.99 |
Moscow Riichi 2024: 0% -> 100% |
2024-10-11 | 11 -> 10 | 710.35 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 775 |
|
21/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
2 | 843 |
|
9/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
3 | 972 |
|
4/108 | 86% | 4.60 | RR | X Russian Championship | Perm |
4 | 765 |
|
13/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
5 | 627 |
|
29/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
6 | 946 |
|
7/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
7 | 935 |
|
3/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow |
8 | 1000 |
|
1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow |
9 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg |
10 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow |
11 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 | Saint Petersburg |
12 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 | Moscow |
13 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) | Moscow |
14 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 | Moscow |
15 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 | Moscow |
16 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 | Moscow |
17 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |