Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
32 place (613.05).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (655.17 * 3.75 * 0.57 + 915.89 * 4 * 0.71 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.57 + 4 * 0.71 + 4.60 * 1 + 3.65 * 1 + 1) = 645.6422654114575
p2 = (759.49 * 3.65 * 1 + 915.89 * 4 * 0.71 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.57) / max_coefficients = 580.4649842271293
score = 645.6422654114575 * 0.5 + 580.4649842271293 * 0.5 = 613.0536248192934
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-03 | 28 -> 32 | 634.76 -> 613.05 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 25 -> 28 | 641.12 -> 634.76 | |
| 2024-10-11 | 23 -> 25 | 652.41 -> 641.12 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-03 | 22 -> 23 | 661.81 -> 652.41 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 18 -> 22 | 679.02 -> 661.81 | |
| 2024-08-26 | 19 -> 18 | 679.02 | |
| 2024-08-18 | 20 -> 19 | 679.02 | |
| 2024-08-11 | 18 -> 20 | 686.52 -> 679.02 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 38 -> 18 | 571.01 -> 686.52 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 34 -> 38 | 571.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 759 |
|
20/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 523 |
|
52/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 916 |
|
10/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 655 |
|
31/88 | 57% | 3.75 | RR | Money can not buy tenpai |
| 5 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 6 | 263 |
|
15/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |