Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
40 place (425.10).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (945.95 * 4.05 * 0.14 + 626.67 * 4.20 * 0.43 + 764.71 * 3.05 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 3.05 * 1 + 1 + 1) = 539.5023331289503
p2 = (764.71 * 3.05 * 1 + 626.67 * 4.20 * 0.43 + 945.95 * 4.05 * 0.14) / max_coefficients = 310.6891472868217
score = 539.5023331289503 * 0.5 + 310.6891472868217 * 0.5 = 425.095740207886
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-05-06 | 37 -> 40 | 439.06 -> 425.10 |
IX Russian Riichi Championship: 57% -> 43% |
2024-04-12 | 33 -> 37 | 473.22 -> 439.06 |
Moscow Riichi 2022: 29% -> 14% |
2024-03-30 | 31 -> 33 | 473.22 | |
2024-03-10 | 65 -> 31 | 313.05 -> 473.22 |
Agari Spring Tournament 2024: 0% -> 100% |
2024-03-06 | 59 -> 65 | 332.71 -> 313.05 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-12 | 51 -> 59 | 368.68 -> 332.71 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-20 | 52 -> 51 | 368.68 | |
2024-01-06 | 51 -> 52 | 382.75 -> 368.68 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 52 -> 51 | 382.75 | |
2023-12-12 | 43 -> 52 | 411.98 -> 382.75 |
Moscow Riichi 2022: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 765 |
|
13/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
2 | 627 |
|
29/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
3 | 946 |
|
7/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
4 | 935 |
|
3/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
5 | 1000 |
|
1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
7 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
8 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
9 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
10 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
11 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
12 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
13 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
14 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |