Melkov Dmitrii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
87 place (184.60).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
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 = 170.80800807952014
score = 198.38976744186047 * 0.5 + 170.80800807952014 * 0.5 = 184.5988877606903
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-01-20 | 89 -> 87 | 184.60 | |
| 2024-01-06 | 89 | 180.68 -> 184.60 | |
| 2023-12-19 | 98 -> 89 | 180.68 | |
| 2023-12-12 | 102 -> 98 | 177.24 -> 180.68 | |
| 2023-11-28 | 108 -> 102 | 177.24 | |
| 2023-11-20 | 110 -> 108 | 177.24 | |
| 2023-11-06 | 110 | 177.24 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 178 |
|
89/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 379 |
|
55/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm |