Melnikov Ilya
From Samara, Russia
Internal rating (RR)
Rating date April 4, 2025 (latest changes March 30, 2025).
56 place (519.66).
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 * 0.29 + 915.89 * 4 * 0.43 + 523.36 * 4.60 * 1 + 759.49 * 3.65 * 1 + 119.05 * 2.60 * 1) / (3.75 * 0.29 + 4 * 0.43 + 4.60 * 1 + 3.65 * 1 + 2.60 * 1) = 569.1858365219433
p2 = (759.49 * 3.65 * 1 + 523.36 * 4.60 * 1 + 915.89 * 4 * 0.43 + 655.17 * 3.75 * 0.29) / max_coefficients = 470.14321766561517
score = 569.1858365219433 * 0.5 + 470.14321766561517 * 0.5 = 519.6645270937793
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-10 | 57 -> 56 | 519.66 | |
| 2025-03-03 | 52 -> 57 | 543.14 -> 519.66 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 50 -> 52 | 543.14 | |
| 2025-02-16 | 44 -> 50 | 543.14 | |
| 2025-02-11 | 44 | 555.52 -> 543.14 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 42 -> 44 | 555.52 | |
| 2025-01-26 | 33 -> 42 | 579.40 -> 555.52 |
Riichi On Ice: 0% -> 100% |
| 2025-01-07 | 32 -> 33 | 579.40 | |
| 2025-01-03 | 26 -> 32 | 601.80 -> 579.40 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 27 -> 26 | 613.05 -> 601.80 |
Money can not buy tenpai: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 119 |
|
38/43 | 100% | 2.60 | RR | Riichi On Ice |
| 2 | 759 |
|
20/80 | 100% | 3.65 | RR | Riichi over Volga |
| 3 | 523 |
|
52/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 916 |
|
10/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |
| 5 | 655 |
|
31/88 | 29% | 3.75 | RR | Money can not buy tenpai |
| 6 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |