Korobeynikov Vladimir
Russian Champion 2019
From Moscow, Russia
EMA: 15990148
Common russian riichi rating (CRR)
Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).
8 place (750.52).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (971.96 * 4.60 * 1 + 764.71 * 3.05 * 1 + 843.14 * 3.05 * 1 + 775.28 * 3.75 * 1 + 86.96 * 2.80 * 1) / (4.60 * 1 + 3.05 * 1 + 3.05 * 1 + 3.75 * 1 + 2.80 * 1) = 726.1292753623188
p2 = (971.96 * 4.60 * 1 + 775.28 * 3.75 * 1 + 843.14 * 3.05 * 1 + 764.71 * 3.05 * 1) / max_coefficients = 774.9053627760253
score = 726.1292753623188 * 0.5 + 774.9053627760253 * 0.5 = 750.5173190691721
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-18 | 9 -> 8 | 747.22 -> 750.52 |
Meeting in the billiard room: 14% -> 0% |
| 2024-12-01 | 1 -> 9 | 806.85 -> 747.22 |
Riichi never changing: 0% -> 100% |
| 2024-11-05 | 3 -> 1 | 802.73 -> 806.85 | |
| 2024-10-18 | 4 -> 3 | 797.74 -> 802.73 |
Meeting in the billiard room: 29% -> 14% |
| 2024-10-13 | 9 -> 4 | 731.28 -> 797.74 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-09-06 | 9 | 738.47 -> 731.28 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 9 | 726.89 -> 738.47 | |
| 2024-09-01 | 6 -> 9 | 743.34 -> 726.89 | |
| 2024-08-18 | 6 | 737.38 -> 743.34 |
Meeting in the billiard room: 43% -> 29% |
| 2024-08-11 | 7 -> 6 | 733.87 -> 737.38 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 87 |
|
22/24 | 100% | 2.80 | CRR | Riichi never changing |
| 2 | 775 |
|
21/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 843 |
|
9/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 4 | 972 |
|
4/108 | 100% | 4.60 | RR | X Russian Championship |
| 5 | 765 |
|
13/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 6 | 435 |
|
14/24 | 0% | 2.80 | CRR | Meeting in the billiard room |
| 7 | 627 |
|
29/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
| 8 | 946 |
|
7/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 9 | 935 |
|
3/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 10 | 1000 |
|
1/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 11 | 825 |
|
12/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 12 | 574 |
|
21/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
| 13 | 963 |
|
2/28 | 0% | 3.50 | CRR | A-League |
| 14 | 831 |
|
15/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 15 | 889 |
|
8/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 16 | 436 |
|
23/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
| 17 | 419 |
|
26/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
| 18 | 960 |
|
4/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
| 19 | 746 |
|
19/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
| 20 | 509 |
|
28/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |