Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Common russian riichi rating (CRR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
22 place (518.25).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (434.78 * 2.80 * 1 + 945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 0 + 0) / (2.80 * 1 + 4.05 * 0.71 + 4.20 * 1 + 1 + 1) = 553.769197879578
p2 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 434.78 * 2.80 * 1) / max_coefficients = 482.7362774011273
score = 553.769197879578 * 0.5 + 482.7362774011273 * 0.5 = 518.2527376403526
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 20 -> 22 | 536.76 -> 518.25 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 21 -> 20 | 536.76 | |
2023-07-20 | 22 -> 21 | 536.76 | |
2023-06-19 | 24 -> 22 | 536.76 | |
2023-06-12 | 21 -> 24 | 553.75 -> 536.76 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 15 -> 21 | 577.68 -> 553.75 | |
2023-05-28 | 16 -> 15 | 577.68 | |
2023-05-20 | 19 -> 16 | 567.60 -> 577.68 | |
2023-05-06 | 20 -> 19 | 567.60 | |
2023-03-28 | 21 -> 20 | 567.60 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 435 |
|
14/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 627 |
|
29/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 946 |
|
7/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
4 | 935 |
|
3/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
5 | 1000 |
|
1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
6 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
7 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
8 | 963 |
|
2/28 | 0% | 3.50 | CRR | A-League |
9 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
10 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
11 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
12 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
13 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
14 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
15 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |