Dergunov Aleksey
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
50 place (441.34).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (611.94 * 3.50 * 0.29 + 486.49 * 4.05 * 0.43 + 214.95 * 4 * 1 + 863.64 * 2.10 * 1 + 769.23 * 2.90 * 1 + 252.87 * 3.75 * 1) / (3.50 * 0.29 + 4.05 * 0.43 + 4 * 1 + 2.10 * 1 + 2.90 * 1 + 3.75 * 1) = 471.97299716255816
p2 = (769.23 * 2.90 * 1 + 863.64 * 2.10 * 1 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / max_coefficients = 410.7069422631303
score = 471.97299716255816 * 0.5 + 410.7069422631303 * 0.5 = 441.3399697128442
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 50 | 441.88 -> 441.34 |
Agari team tournament: 14% -> 0% |
2023-12-12 | 51 -> 50 | 451.45 -> 441.88 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 52 -> 51 | 451.45 | |
2023-11-26 | 75 -> 52 | 373.01 -> 451.45 |
Autumn Agari tournament: 0% -> 100% |
2023-11-20 | 73 -> 75 | 378.63 -> 373.01 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 78 -> 73 | 371.72 -> 378.63 | |
2023-11-05 | 74 -> 78 | 371.72 | |
2023-10-27 | 73 -> 74 | 371.72 | |
2023-10-22 | 103 -> 73 | 300.39 -> 371.72 |
Mushroom League: 0% -> 100% |
2023-10-19 | 103 | 303.43 -> 300.39 |
Agari team tournament: 29% -> 14% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 769 |
|
10/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
2 | 864 |
|
4/23 | 100% | 2.10 | CRR | Mushroom League |
3 | 215 |
|
85/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
4 | 253 |
|
66/88 | 100% | 3.75 | RR | Money can not buy tenpai |
5 | 486 |
|
58/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
6 | 612 |
|
27/68 | 29% | 3.50 | RR | Tenpai can't buy happiness |
7 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |