Dergunov Aleksey
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 28, 2023 (latest changes Jan. 28, 2023).
52 place (411.94).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (510.64 * 3.10 * 0.86 + 611.94 * 3.50 * 1 + 486.49 * 4.05 * 1 + 0 + 0) / (3.10 * 0.86 + 3.50 * 1 + 4.05 * 1 + 1 + 1) = 448.00733349116615
p2 = (611.94 * 3.50 * 1 + 486.49 * 4.05 * 1 + 510.64 * 3.10 * 0.86) / max_coefficients = 375.8646048109965
score = 448.00733349116615 * 0.5 + 375.8646048109965 * 0.5 = 411.93596915108134
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-01-28 | 53 -> 52 | 409.93 -> 411.94 | |
2023-01-14 | 52 -> 53 | 409.93 | |
2022-12-19 | 53 -> 52 | 416.85 -> 409.93 |
Agari team tournament: 100% -> 86% |
2022-12-18 | 51 -> 53 | 416.85 | |
2022-11-28 | 51 | 412.44 -> 416.85 | |
2022-11-06 | 37 -> 51 | 424.23 -> 412.44 | |
2022-11-05 | 37 | 424.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 486 |
|
58/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 612 |
|
27/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
3 | 511 |
|
24/48 | 86% | 3.10 | RR | Agari team tournament |