Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Internal rating (RR)
Rating date April 19, 2021 (latest changes April 16, 2021).
11 place (669.96).
how we calculated rating score
max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999
p1 = (825.40 * 3.45 * 0.57 + 1000 * 4.05 * 0.57 + 935.48 * 2.70 * 0.71 + 0 + 0) / (3.45 * 0.57 + 4.05 * 0.57 + 2.70 * 0.71 + 1 + 1) = 699.4647015927471
p2 = (1000 * 4.05 * 0.57 + 935.48 * 2.70 * 0.71 + 825.40 * 3.45 * 0.57) / max_coefficients = 640.4517678113207
score = 699.4647015927471 * 0.5 + 640.4517678113207 * 0.5 = 669.9582347020339
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-04-15 | 8 -> 11 | 690.74 -> 669.96 |
VIII Russian Riichi Championship: 71% -> 57% |
2021-04-02 | 7 -> 8 | 690.74 | |
2021-03-26 | 6 -> 7 | 702.04 -> 690.74 |
The last chance: back to 2019: 86% -> 71% |
2021-03-24 | 6 | 715.75 -> 702.04 |
Saint Petersburg Open 2019: 71% -> 57% |
2021-03-08 | 6 | 702.06 -> 715.75 | |
2021-03-04 | 8 -> 6 | 688.78 -> 702.06 | |
2021-02-20 | 10 -> 8 | 688.78 | |
2021-02-15 | 5 -> 10 | 705.18 -> 688.78 |
VIII Russian Riichi Championship: 86% -> 71% |
2021-01-26 | 5 | 717.25 -> 705.18 |
The last chance: back to 2019: 100% -> 86% |
2021-01-24 | 6 -> 5 | 728.41 -> 717.25 |
Saint Petersburg Open 2019: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 935 |
|
3/32 | 71% | 2.70 | RR | The last chance: back to 2019 |
2 | 1000 |
|
1/112 | 57% | 4.05 | EMA | VIII Russian Riichi Championship |
3 | 825 |
|
12/64 | 57% | 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 | RR | Russian Riichi Championship 2013 |
11 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |