Melkov Dmitrii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date March 6, 2024 (latest changes March 6, 2024).
85 place (193.50).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965
p1 = (379.31 * 3.75 * 1 + 177.57 * 4 * 1 + 0 + 0 + 0) / (3.75 * 1 + 4 * 1 + 1 + 1 + 1) = 198.38976744186047
p2 = (379.31 * 3.75 * 1 + 177.57 * 4 * 1) / max_coefficients = 188.61736991314646
score = 198.38976744186047 * 0.5 + 188.61736991314646 * 0.5 = 193.50356867750347
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 86 -> 85 | 188.75 -> 193.50 | |
| 2024-02-12 | 87 -> 86 | 184.60 -> 188.75 | |
| 2024-01-20 | 89 -> 87 | 184.60 | |
| 2024-01-06 | 89 | 180.68 -> 184.60 | |
| 2023-12-19 | 99 -> 89 | 180.68 | |
| 2023-12-12 | 103 -> 99 | 177.24 -> 180.68 | |
| 2023-11-28 | 109 -> 103 | 177.24 | |
| 2023-11-20 | 111 -> 109 | 177.24 | |
| 2023-11-06 | 115 -> 111 | 173.95 -> 177.24 | |
| 2023-10-19 | 117 -> 115 | 173.95 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 178 |
|
89/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 379 |
|
55/88 | 100% | 3.75 | RR | Money can not buy tenpai |