Dergunov Aleksey
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
45 place (447.64).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (863.64 * 2.10 * 1 + 611.94 * 3.50 * 0.14 + 486.49 * 4.05 * 0.29 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1 + 769.23 * 2.90 * 1) / (2.10 * 1 + 3.50 * 0.14 + 4.05 * 0.29 + 3.75 * 1 + 4 * 1 + 2.90 * 1) = 466.5343488879026
p2 = (769.23 * 2.90 * 1 + 863.64 * 2.10 * 1 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / max_coefficients = 428.7526941273518
score = 466.5343488879026 * 0.5 + 428.7526941273518 * 0.5 = 447.64352150762716
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-02-12 | 46 -> 45 | 448.03 -> 447.64 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-20 | 46 | 450.36 -> 448.03 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 50 -> 46 | 441.34 -> 450.36 | |
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 |
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 | 29% | 4.05 | RR | Moscow Riichi 2022 |
6 | 612 |
|
27/68 | 14% | 3.50 | RR | Tenpai can't buy happiness |
7 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |