Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
4 place (705.18).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (825.40 * 3.45 * 0.71 + 1000 * 4.05 * 0.86 + 935.48 * 2.70 * 0.86 + 0 + 0) / (3.45 * 0.71 + 4.05 * 0.86 + 2.70 * 0.86 + 1 + 1) = 748.327765723295
p2 = (1000 * 4.05 * 0.86 + 935.48 * 2.70 * 0.86 + 825.40 * 3.45 * 0.71) / max_coefficients = 662.0416903849549
score = 748.327765723295 * 0.5 + 662.0416903849549 * 0.5 = 705.1847280541249
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 11 -> 4 | 738.19 -> 705.18 | |
2020-02-01 | 11 | 738.19 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 935 |
|
3/32 | 86% | 2.70 | RR | The last chance: back to 2019 |
2 | 1000 |
|
1/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship |
3 | 825 |
|
12/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
4 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
5 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
6 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
7 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
8 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
9 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
10 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
11 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |