Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date March 20, 2024 (latest changes March 20, 2024).
37 place (520.25).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (171.17 * 4.05 * 0.29 + 655.17 * 3.75 * 1 + 915.89 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 3.75 * 1 + 4 * 1 + 1 + 1) = 579.3032693886588
p2 = (915.89 * 4 * 1 + 655.17 * 3.75 * 1 + 171.17 * 4.05 * 0.29) / max_coefficients = 461.20510948905115
score = 579.3032693886588 * 0.5 + 461.20510948905115 * 0.5 = 520.254189438855
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-20 | 38 -> 37 | 520.25 | |
| 2024-03-10 | 32 -> 38 | 531.74 -> 520.25 | |
| 2024-03-06 | 33 -> 32 | 521.10 -> 531.74 | |
| 2024-02-25 | 28 -> 33 | 521.10 | |
| 2024-02-12 | 30 -> 28 | 514.44 -> 521.10 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 31 -> 30 | 504.55 -> 514.44 | |
| 2023-12-12 | 33 -> 31 | 498.73 -> 504.55 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 34 -> 33 | 498.73 | |
| 2023-11-26 | 34 | 500.35 -> 498.73 | |
| 2023-11-20 | 33 -> 34 | 500.35 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 916 |
|
10/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 655 |
|
31/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 171 |
|
93/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 263 |
|
15/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |