Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).
43 place (411.98).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (945.95 * 4.05 * 0.57 + 626.67 * 4.20 * 0.86 + 0 + 0 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 1 + 1 + 1) = 498.6509969160835
p2 = (626.67 * 4.20 * 0.86 + 945.95 * 4.05 * 0.57) / max_coefficients = 325.30541957363835
score = 498.6509969160835 * 0.5 + 325.30541957363835 * 0.5 = 411.9782082448609
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-28 | 44 -> 43 | 411.98 | |
2023-11-20 | 45 -> 44 | 411.98 | |
2023-11-06 | 45 | 422.36 -> 411.98 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 43 -> 45 | 446.80 -> 422.36 |
Moscow Riichi 2022: 71% -> 57% |
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 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 627 |
|
29/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
2 | 946 |
|
7/112 | 57% | 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 |