Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).
20 place (679.02).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (655.17 * 3.75 * 0.71 + 915.89 * 4 * 1 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.71 + 4 * 1 + 4.60 * 1 + 3.65 * 1 + 1) = 665.3518429870751
p2 = (915.89 * 4 * 1 + 759.49 * 3.65 * 1 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.71) / max_coefficients = 692.6888888888889
score = 665.3518429870751 * 0.5 + 692.6888888888889 * 0.5 = 679.020365937982
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-06-11 | 33 -> 34 | 589.78 -> 571.01 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 31 -> 33 | 589.78 | |
| 2024-05-25 | 30 -> 31 | 589.78 | |
| 2024-05-12 | 34 -> 30 | 528.07 -> 589.78 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 35 -> 34 | 528.07 | |
| 2024-04-18 | 36 -> 35 | 528.07 | |
| 2024-04-12 | 39 -> 36 | 520.25 -> 528.07 |
Moscow Riichi 2022: 29% -> 14% |
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 | 100% | 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 |