Melnikov Ilya
From Samara, Russia
Internal rating (RR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
13 place (686.52).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (655.17 * 3.75 * 0.86 + 915.89 * 4 * 1 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.86 + 4 * 1 + 4.60 * 1 + 3.65 * 1 + 1) = 665.021068535376
p2 = (915.89 * 4 * 1 + 759.49 * 3.65 * 1 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.86) / max_coefficients = 708.0251873287367
score = 665.021068535376 * 0.5 + 708.0251873287367 * 0.5 = 686.5231279320564
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-04 | 31 -> 13 | 571.01 -> 686.52 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 26 -> 31 | 571.01 | |
2024-06-11 | 25 -> 26 | 589.78 -> 571.01 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 20 -> 25 | 589.78 | |
2024-05-12 | 17 -> 20 | 542.14 -> 589.78 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 19 -> 17 | 536.67 -> 542.14 | |
2024-04-12 | 21 -> 19 | 528.99 -> 536.67 |
Moscow Riichi 2022: 29% -> 14% |
2024-03-30 | 17 -> 21 | 528.99 | |
2024-03-20 | 20 -> 17 | 528.99 | |
2024-03-10 | 17 -> 20 | 569.06 -> 528.99 |
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 | 86% | 3.75 | RR | Money can not buy tenpai |
5 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |