Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 20, 2023 (latest changes Aug. 20, 2023).
63 place (374.28).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
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 = 304.4019551540122
score = 444.1636363636364 * 0.5 + 304.4019551540122 * 0.5 = 374.2827957588243
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-08-19 | 64 -> 63 | 374.28 | |
| 2023-08-12 | 68 -> 64 | 368.09 -> 374.28 | |
| 2023-07-28 | 70 -> 68 | 368.09 | |
| 2023-07-20 | 71 -> 70 | 368.09 | |
| 2023-07-06 | 72 -> 71 | 368.09 | |
| 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 |
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 |