Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Aug. 8, 2025 (latest changes Aug. 4, 2025).
39 place (623.29).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (915.89 * 4 * 0.14 + 523.36 * 4.60 * 0.71 + 759.49 * 3.65 * 0.86 + 119.05 * 2.60 * 1 + 800 * 3.50 * 1 + 813.95 * 3 * 1) / (4 * 0.14 + 4.60 * 0.71 + 3.65 * 0.86 + 2.60 * 1 + 3.50 * 1 + 3 * 1) = 632.2702732441886
p2 = (800 * 3.50 * 1 + 813.95 * 3 * 1 + 759.49 * 3.65 * 0.86 + 523.36 * 4.60 * 0.71) / max_coefficients = 614.3111842105263
score = 632.2702732441886 * 0.5 + 614.3111842105263 * 0.5 = 623.2907287273574
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-04 | 37 -> 39 | 635.19 -> 623.29 |
Riichi over Volga: 100% -> 86% |
2025-08-03 | 59 -> 37 | 553.12 -> 635.19 |
Two roosters and Chuckles: 0% -> 100% |
2025-07-30 | 60 -> 59 | 553.12 | |
2025-07-26 | 59 -> 60 | 553.12 | |
2025-07-19 | 60 -> 59 | 553.12 | |
2025-07-14 | 63 -> 60 | 553.12 | |
2025-07-13 | 62 -> 63 | 553.12 | |
2025-07-12 | 59 -> 62 | 557.65 -> 553.12 |
X Russian Championship: 86% -> 71% |
2025-07-05 | 58 -> 59 | 557.65 | |
2025-07-03 | 55 -> 58 | 580.57 -> 557.65 |
SPB Riichi Open 2023: 29% -> 14% |
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 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
5 | 523 |
|
52/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
6 | 916 |
|
10/108 | 14% | 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 | |
9 | 263 |
|
15/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 | Samara |