Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Common russian riichi rating (CRR)
Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).
60 place (417.10).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (434.78 * 2.80 * 0.86 + 945.95 * 4.05 * 0.43 + 626.67 * 4.20 * 0.71 + 0 + 0) / (2.80 * 0.86 + 4.05 * 0.43 + 4.20 * 0.71 + 1 + 1) = 499.7356544659071
p2 = (626.67 * 4.20 * 0.71 + 945.95 * 4.05 * 0.43 + 434.78 * 2.80 * 0.86) / max_coefficients = 334.4651964899788
score = 499.7356544659071 * 0.5 + 334.4651964899788 * 0.5 = 417.10042547794296
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-06 | 56 -> 60 | 427.16 -> 417.10 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 58 -> 56 | 427.16 | |
2023-12-18 | 56 -> 58 | 431.83 -> 427.16 |
Meeting in the billiard room: 100% -> 86% |
2023-12-12 | 42 -> 56 | 462.93 -> 431.83 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-26 | 41 -> 42 | 464.34 -> 462.93 | |
2023-11-20 | 45 -> 41 | 464.34 | |
2023-11-06 | 43 -> 45 | 471.55 -> 464.34 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 35 -> 43 | 498.74 -> 471.55 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-20 | 37 -> 35 | 498.74 | |
2023-09-03 | 24 -> 37 | 518.25 -> 498.74 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 435 |
|
14/24 | 86% | 2.80 | CRR | Meeting in the billiard room |
2 | 627 |
|
29/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
3 | 946 |
|
7/112 | 43% | 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 |