Melnikov Ilya
From Samara, Russia
Internal rating (RR)
Rating date July 14, 2025 (latest changes July 14, 2025).
51 place (553.12).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (915.89 * 4 * 0.14 + 523.36 * 4.60 * 0.71 + 759.49 * 3.65 * 1 + 119.05 * 2.60 * 1 + 800 * 3.50 * 1) / (4 * 0.14 + 4.60 * 0.71 + 3.65 * 1 + 2.60 * 1 + 3.50 * 1) = 597.0914312674446
p2 = (800 * 3.50 * 1 + 759.49 * 3.65 * 1 + 523.36 * 4.60 * 0.71 + 915.89 * 4 * 0.14) / max_coefficients = 509.14201954397396
score = 597.0914312674446 * 0.5 + 509.14201954397396 * 0.5 = 553.1167254057093
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-13 | 50 -> 51 | 553.12 | |
| 2025-07-12 | 51 -> 50 | 557.65 -> 553.12 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 52 -> 51 | 557.65 | |
| 2025-07-03 | 47 -> 52 | 580.57 -> 557.65 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 44 -> 47 | 588.79 -> 580.57 | |
| 2025-06-11 | 45 -> 44 | 589.65 -> 588.79 |
Money can not buy tenpai: 14% -> 0% |
| 2025-05-12 | 44 -> 45 | 586.92 -> 589.65 |
X Russian Championship: 100% -> 86% |
| 2025-05-03 | 60 -> 44 | 506.84 -> 586.92 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-26 | 59 -> 60 | 506.84 | |
| 2025-04-11 | 56 -> 59 | 519.66 -> 506.84 |
Money can not buy tenpai: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
15/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 2 | 119 |
|
38/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 3 | 759 |
|
20/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 4 | 523 |
|
52/108 | 71% | 4.60 | RR | X Russian Championship | Perm |
| 5 | 916 |
|
10/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 6 | 655 |
|
31/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 7 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |