Melkov Dmitrii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
72 place (423.76).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (379.31 * 3.75 * 0.57 + 177.57 * 4 * 0.86 + 333.33 * 3.05 * 1 + 826.09 * 2.10 * 1 + 579.44 * 4.60 * 1) / (3.75 * 0.57 + 4 * 0.86 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1) = 446.3385581369545
p2 = (579.44 * 4.60 * 1 + 826.09 * 2.10 * 1 + 333.33 * 3.05 * 1 + 379.31 * 3.75 * 0.57) / max_coefficients = 401.17719790834855
score = 446.3385581369545 * 0.5 + 401.17719790834855 * 0.5 = 423.75787802265154
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-11 | 72 | 429.17 -> 423.76 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-06 | 73 -> 72 | 429.17 | |
| 2024-09-03 | 74 -> 73 | 417.18 -> 429.17 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 64 -> 74 | 427.63 -> 417.18 | |
| 2024-08-11 | 66 -> 64 | 431.09 -> 427.63 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 56 -> 66 | 439.75 -> 431.09 | |
| 2024-07-14 | 51 -> 56 | 439.75 | |
| 2024-07-06 | 53 -> 51 | 439.75 | |
| 2024-06-11 | 53 | 437.76 -> 439.75 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 51 -> 53 | 437.76 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 579 |
|
46/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 2 | 826 |
|
9/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 3 | 333 |
|
35/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 4 | 178 |
|
89/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 5 | 379 |
|
55/88 | 57% | 3.75 | RR | Money can not buy tenpai | Perm |