Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date July 7, 2022 (latest changes June 30, 2022).
2 place (874.92).
how we calculated rating score
max_coefficients = (4.05 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.05
p1 = (825.40 * 3.45 * 1 + 1000 * 4.05 * 1 + 935.48 * 2.70 * 1 + 945.95 * 4.05 * 1 + 0) / (3.45 * 1 + 4.05 * 1 + 2.70 * 1 + 4.05 * 1 + 1) = 869.1481967213115
p2 = (1000 * 4.05 * 1 + 945.95 * 4.05 * 1 + 825.40 * 3.45 * 1 + 935.48 * 2.70 * 1) / max_coefficients = 880.6983388704318
score = 869.1481967213115 * 0.5 + 880.6983388704318 * 0.5 = 874.9232677958717
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-06-30 | 2 | 863.52 -> 874.92 | |
2022-06-12 | 20 -> 2 | 703.49 -> 863.52 |
Moscow Riichi 2022: 0% -> 100% |
2022-05-30 | 21 -> 20 | 703.49 | |
2022-04-30 | 16 -> 21 | 741.47 -> 703.49 |
Moscow Riichi Open 2018: 14% -> 0% |
2022-03-30 | 17 -> 16 | 741.47 | |
2022-03-20 | 14 -> 17 | 742.57 -> 741.47 | |
2022-02-28 | 16 -> 14 | 743.09 -> 742.57 |
Moscow Riichi Open 2018: 29% -> 14% |
2022-01-30 | 17 -> 16 | 743.09 | |
2021-12-30 | 16 -> 17 | 734.08 -> 743.09 |
Moscow Riichi Open 2018: 43% -> 29% |
2021-11-30 | 17 -> 16 | 734.08 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 946 |
|
7/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 935 |
|
3/32 | 100% | 2.70 | RR | The last chance: back to 2019 |
3 | 1000 |
|
1/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship |
4 | 825 |
|
12/64 | 100% | 3.45 | EMA | Saint Petersburg Open 2019 |
5 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
6 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
7 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
8 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
9 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
10 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
11 | 746 |
|
19/72 | 0% | 3.25 | RR | Russian Riichi Championship 2013 |
12 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |