Ryzhkin Daniil
From Yekaterinburg, Russia
EMA: 15990435
Internal rating (RR)
Rating date April 24, 2025 (latest changes April 11, 2025).
93 place (395.95).
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 * 0.14 + 682.24 * 4.60 * 1 + 787.23 * 2.80 * 1 + 63.29 * 3.65 * 1 + 64.52 * 2.40 * 1) / (3.75 * 0.14 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 425.8818272006579
p2 = (682.24 * 4.60 * 1 + 787.23 * 2.80 * 1 + 63.29 * 3.65 * 1 + 425.29 * 3.75 * 0.14) / max_coefficients = 366.02460567823346
score = 425.8818272006579 * 0.5 + 366.02460567823346 * 0.5 = 395.95321643944567
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-11 | 94 -> 93 | 403.13 -> 395.95 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-03 | 96 -> 94 | 403.13 | |
| 2025-03-02 | 88 -> 96 | 419.94 -> 403.13 |
Riichi Maslenitsa (shrovetide): 0% -> 100% |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 65 |
|
30/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg |
| 2 | 63 |
|
75/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 3 | 787 |
|
11/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 4 | 682 |
|
35/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
| 5 | 425 |
|
51/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
| 6 | 397 |
|
39/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm |
| 7 | 87 |
|
22/24 | 0% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg |