Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
43 place (446.80).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 1 + 1 + 1) = 531.911742048754
p2 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1) / max_coefficients = 361.6904091952288
score = 531.911742048754 * 0.5 + 361.6904091952288 * 0.5 = 446.80107562199146
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-20 | 44 -> 43 | 446.80 | |
2023-09-06 | 43 -> 44 | 446.80 | |
2023-09-03 | 31 -> 43 | 474.97 -> 446.80 | |
2023-08-19 | 32 -> 31 | 474.97 | |
2023-08-12 | 27 -> 32 | 497.56 -> 474.97 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-20 | 28 -> 27 | 489.64 -> 497.56 | |
2023-07-06 | 29 -> 28 | 489.64 | |
2023-06-12 | 26 -> 29 | 510.11 -> 489.64 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 20 -> 26 | 545.33 -> 510.11 | |
2023-05-28 | 21 -> 20 | 541.27 -> 545.33 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 627 |
|
29/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 946 |
|
7/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
3 | 935 |
|
3/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
4 | 1000 |
|
1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
5 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
6 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
7 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
8 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
9 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
10 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
11 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
12 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
13 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |