Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
7 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 | 6 -> 7 | 775.31 -> 705.18 | |
| 2020-02-01 | 6 | 775.31 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 935 |  | 🥉 | 3/32 | 86% | 2.70 | RR | The last chance: back to 2019 | Moscow | 
| 2 | 1000 |  | 🥇 | 1/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | 
| 3 | 825 |  | 12/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 4 | 574 |  | 21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 5 | 963 |  | 🥈 | 2/28 | 0% | 3.50 | CRR | A-League | Moscow | 
| 6 | 831 |  | 15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 | Saint Petersburg | |
| 7 | 889 |  | 8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 | Moscow | |
| 8 | 436 |  | 23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) | Moscow | |
| 9 | 419 |  | 26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 | Moscow | |
| 10 | 960 |  | 4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 | Moscow | |
| 11 | 746 |  | 19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 | Moscow | |
| 12 | 509 |  | 28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |