Ryzhkin Daniil
From Yekaterinburg, Russia
EMA: 15990435
Internal rating (RR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
73 place (475.89).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (682.24 * 4.60 * 0.43 + 787.23 * 2.80 * 0.57 + 63.29 * 3.65 * 0.57 + 64.52 * 2.40 * 1 + 865.67 * 4.10 * 1) / (4.60 * 0.43 + 2.80 * 0.57 + 3.65 * 0.57 + 2.40 * 1 + 4.10 * 1) = 529.7879673507393
p2 = (865.67 * 4.10 * 1 + 682.24 * 4.60 * 0.43 + 787.23 * 2.80 * 0.57 + 64.52 * 2.40 * 1) / max_coefficients = 421.98528428093647
score = 529.7879673507393 * 0.5 + 421.98528428093647 * 0.5 = 475.8866258158379
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-04 | 76 -> 73 | 466.63 -> 475.89 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 74 -> 76 | 466.63 | |
| 2025-11-14 | 70 -> 74 | 481.40 -> 466.63 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-12 | 67 -> 70 | 500.29 -> 481.40 |
X Russian Championship: 57% -> 43% |
| 2025-11-04 | 67 | 511.05 -> 500.29 | |
| 2025-11-01 | 69 -> 67 | 510.19 -> 511.05 | |
| 2025-10-13 | 69 | 502.69 -> 510.19 | |
| 2025-10-04 | 71 -> 69 | 495.33 -> 502.69 |
Riichi over Volga: 86% -> 71% |
| 2025-09-14 | 67 -> 71 | 509.75 -> 495.33 |
Guardian of the Winds: 86% -> 71% |
| 2025-09-12 | 62 -> 67 | 528.43 -> 509.75 |
X Russian Championship: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 866 |
|
10/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 2 | 65 |
|
30/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 3 | 63 |
|
75/80 | 57% | 3.65 | RR | Riichi over Volga | Samara | |
| 4 | 787 |
|
11/48 | 57% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 5 | 682 |
|
35/108 | 43% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 425 |
|
51/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 7 | 397 |
|
39/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 8 | 87 |
|
22/24 | 0% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg |