Melnikov Ilya
From Samara, Russia
Internal rating (RR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
43 place (601.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (759.49 * 3.65 * 0.71 + 119.05 * 2.60 * 1 + 523.36 * 4.60 * 0.57 + 800 * 3.50 * 1 + 813.95 * 3 * 1) / (3.65 * 0.71 + 2.60 * 1 + 4.60 * 0.57 + 3.50 * 1 + 3 * 1) = 621.3299934045475
p2 = (800 * 3.50 * 1 + 813.95 * 3 * 1 + 759.49 * 3.65 * 0.71 + 523.36 * 4.60 * 0.57) / max_coefficients = 580.9216216216215
score = 621.3299934045475 * 0.5 + 580.9216216216215 * 0.5 = 601.1258075130845
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-04 | 41 -> 43 | 616.92 -> 601.13 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 42 -> 41 | 616.92 | |
| 2025-09-12 | 40 -> 42 | 626.37 -> 616.92 |
X Russian Championship: 71% -> 57% |
| 2025-09-03 | 39 -> 40 | 631.59 -> 626.37 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 41 -> 39 | 623.29 -> 631.59 | |
| 2025-08-31 | 39 -> 41 | 623.29 | |
| 2025-08-04 | 36 -> 39 | 635.19 -> 623.29 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 50 -> 36 | 553.12 -> 635.19 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-30 | 51 -> 50 | 553.12 | |
| 2025-07-13 | 50 -> 51 | 553.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 814 |
|
9/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 2 | 800 |
|
15/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 3 | 119 |
|
38/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 4 | 759 |
|
20/80 | 71% | 3.65 | RR | Riichi over Volga | Samara | |
| 5 | 523 |
|
52/108 | 57% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 916 |
|
10/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 655 |
|
31/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 8 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |