Dergunov Aleksey
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
104 place (315.22).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (510.64 * 3.10 * 0.29 + 611.94 * 3.50 * 0.43 + 486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / (3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1) = 351.9679844896089
p2 = (486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 611.94 * 3.50 * 0.43 + 214.95 * 4 * 1) / max_coefficients = 278.477644047682
score = 351.9679844896089 * 0.5 + 278.477644047682 * 0.5 = 315.2228142686455
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-20 | 98 -> 104 | 330.33 -> 315.22 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-09 | 99 -> 98 | 330.33 | |
2023-09-03 | 77 -> 99 | 339.23 -> 330.33 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 76 -> 77 | 339.23 | |
2023-08-19 | 72 -> 76 | 350.09 -> 339.23 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 74 -> 72 | 356.10 -> 350.09 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-20 | 70 -> 74 | 371.41 -> 356.10 |
Tenpai can't buy happiness: 71% -> 57% |
2023-07-03 | 71 -> 70 | 371.41 | |
2023-06-19 | 69 -> 71 | 381.28 -> 371.41 |
Agari team tournament: 57% -> 43% |
2023-06-12 | 67 -> 69 | 385.60 -> 381.28 |
Moscow Riichi 2022: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 215 |
|
85/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 253 |
|
66/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 486 |
|
58/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
4 | 612 |
|
27/68 | 43% | 3.50 | RR | Tenpai can't buy happiness |
5 | 511 |
|
24/48 | 29% | 3.10 | RR | Agari team tournament |