Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Sept. 8, 2024 (latest changes Sept. 6, 2024).
24 place (652.41).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (655.17 * 3.75 * 0.71 + 915.89 * 4 * 0.86 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 3.65 * 1 + 1) = 656.0268020661554
p2 = (915.89 * 4 * 0.86 + 759.49 * 3.65 * 1 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.71) / max_coefficients = 648.7867391360346
score = 656.0268020661554 * 0.5 + 648.7867391360346 * 0.5 = 652.406770601095
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-03 | 23 -> 24 | 661.81 -> 652.41 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 19 -> 23 | 679.02 -> 661.81 | |
| 2024-08-26 | 20 -> 19 | 679.02 | |
| 2024-08-18 | 21 -> 20 | 679.02 | |
| 2024-08-11 | 19 -> 21 | 686.52 -> 679.02 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 39 -> 19 | 571.01 -> 686.52 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 35 -> 39 | 571.01 | |
| 2024-06-11 | 34 -> 35 | 589.78 -> 571.01 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 32 -> 34 | 589.78 | |
| 2024-05-25 | 31 -> 32 | 589.78 |
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 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 655 |
|
31/88 | 71% | 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 |