Ryzhkin Daniil
From Yekaterinburg, Russia
EMA: 15990435
Internal rating (RR)
Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).
88 place (419.94).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (425.29 * 3.75 * 0.29 + 682.24 * 4.60 * 1 + 787.23 * 2.80 * 1 + 63.29 * 3.65 * 1 + 0) / (3.75 * 0.29 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 1) = 459.4968134056073
p2 = (682.24 * 4.60 * 1 + 787.23 * 2.80 * 1 + 425.29 * 3.75 * 0.29 + 63.29 * 3.65 * 1) / max_coefficients = 380.39305993690857
score = 459.4968134056073 * 0.5 + 380.39305993690857 * 0.5 = 419.94493667125795
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 84 -> 88 | 419.94 | |
| 2025-02-11 | 80 -> 84 | 426.46 -> 419.94 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 77 -> 80 | 426.46 | |
| 2025-01-26 | 73 -> 77 | 426.46 | |
| 2025-01-07 | 70 -> 73 | 426.46 | |
| 2025-01-03 | 71 -> 70 | 426.46 | |
| 2024-12-11 | 71 | 433.03 -> 426.46 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-06 | 73 -> 71 | 433.03 | |
| 2024-10-13 | 67 -> 73 | 437.26 -> 433.03 | |
| 2024-10-11 | 67 | 444.03 -> 437.26 |
Money can not buy tenpai: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 63 |
|
75/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 787 |
|
11/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 682 |
|
35/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 425 |
|
51/88 | 29% | 3.75 | RR | Money can not buy tenpai |
| 5 | 397 |
|
39/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 6 | 87 |
|
22/24 | 0% | 2.20 | RR | URAL Mahjong Battle |