Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 5, 2023 (latest changes July 5, 2023).
72 place (368.09).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (871.79 * 1.80 * 1 + 645.16 * 1.80 * 1 + 379.31 * 3.75 * 1 + 0 + 0) / (1.80 * 1 + 1.80 * 1 + 3.75 * 1 + 1 + 1) = 444.1636363636364
p2 = (871.79 * 1.80 * 1 + 379.31 * 3.75 * 1 + 645.16 * 1.80 * 1) / max_coefficients = 292.0227504534586
score = 444.1636363636364 * 0.5 + 292.0227504534586 * 0.5 = 368.0931934085475
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-03 | 73 -> 72 | 368.09 | |
2023-06-12 | 74 -> 73 | 362.38 -> 368.09 | |
2023-06-11 | 79 -> 74 | 307.61 -> 362.38 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 81 -> 79 | 307.61 | |
2023-05-20 | 81 | 304.03 -> 307.61 | |
2023-05-06 | 82 -> 81 | 304.03 | |
2023-05-05 | 83 -> 82 | 304.03 | |
2023-05-01 | 81 -> 83 | 304.03 | |
2023-04-22 | 80 -> 81 | 304.03 | |
2023-04-19 | 81 -> 80 | 304.03 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 379 |
|
55/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 645 |
|
12/32 | 100% | 1.80 | CRR | Earth cup |
3 | 872 |
|
6/40 | 100% | 1.80 | CRR | Sun tournament |
4 | 947 |
|
2/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |
5 | 400 |
|
10/16 | 0% | 1.20 | CRR | Tournament |