Melnikov Ilya
From Samara, Russia
Internal rating (RR)
Rating date Dec. 21, 2024 (latest changes Dec. 11, 2024).
26 place (601.80).
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 * 0.43 + 915.89 * 4 * 0.71 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.43 + 4 * 0.71 + 4.60 * 1 + 3.65 * 1 + 1) = 645.2704993638096
p2 = (759.49 * 3.65 * 1 + 915.89 * 4 * 0.71 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.43) / max_coefficients = 558.3299684542587
score = 645.2704993638096 * 0.5 + 558.3299684542587 * 0.5 = 601.8002339090342
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-11 | 27 -> 26 | 613.05 -> 601.80 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-06 | 26 -> 27 | 613.05 | |
| 2024-11-03 | 25 -> 26 | 634.76 -> 613.05 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 22 -> 25 | 641.12 -> 634.76 | |
| 2024-10-11 | 22 | 652.41 -> 641.12 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-03 | 18 -> 22 | 661.81 -> 652.41 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 14 -> 18 | 679.02 -> 661.81 | |
| 2024-08-11 | 13 -> 14 | 686.52 -> 679.02 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 31 -> 13 | 571.01 -> 686.52 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 26 -> 31 | 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 | 43% | 3.75 | RR | Money can not buy tenpai |
| 5 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |