Melnikov Ilya
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).
35 place (601.80).
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 * 0.43 + 523.36 * 4.60 * 1 + 915.89 * 4 * 0.71 + 759.49 * 3.65 * 1 + 0) / (3.75 * 0.43 + 4.60 * 1 + 4 * 0.71 + 3.65 * 1 + 1) = 645.2704993638098
p2 = (759.49 * 3.65 * 1 + 915.89 * 4 * 0.71 + 523.36 * 4.60 * 1 + 655.17 * 3.75 * 0.43) / max_coefficients = 558.3299684542587
score = 645.2704993638098 * 0.5 + 558.3299684542587 * 0.5 = 601.8002339090342
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-11 | 32 -> 35 | 613.05 -> 601.80 |
Money can not buy tenpai: 57% -> 43% |
2024-12-01 | 31 -> 32 | 613.05 | |
2024-11-05 | 32 -> 31 | 613.05 | |
2024-11-03 | 28 -> 32 | 634.76 -> 613.05 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-13 | 25 -> 28 | 641.12 -> 634.76 | |
2024-10-11 | 23 -> 25 | 652.41 -> 641.12 |
Money can not buy tenpai: 71% -> 57% |
2024-09-03 | 22 -> 23 | 661.81 -> 652.41 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 18 -> 22 | 679.02 -> 661.81 | |
2024-08-26 | 19 -> 18 | 679.02 | |
2024-08-18 | 20 -> 19 | 679.02 |
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 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
4 | 655 |
|
31/88 | 43% | 3.75 | RR | Money can not buy tenpai |
5 | 171 |
|
93/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
6 | 263 |
|
15/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |