Ryzhkin Daniil
From Yekaterinburg, Russia
EMA: 15990435
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
76 place (504.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (0 * 2.30 * 0.14 + 682.24 * 4.60 * 0.57 + 787.23 * 2.80 * 0.71 + 63.29 * 3.65 * 0.71 + 64.52 * 2.40 * 1 + 865.67 * 4.10 * 1) / (2.30 * 0.14 + 4.60 * 0.57 + 2.80 * 0.71 + 3.65 * 0.71 + 2.40 * 1 + 4.10 * 1) = 514.5515130637083
p2 = (865.67 * 4.10 * 1 + 682.24 * 4.60 * 0.57 + 787.23 * 2.80 * 0.71 + 63.29 * 3.65 * 0.71) / max_coefficients = 495.2440559440559
score = 514.5515130637083 * 0.5 + 495.2440559440559 * 0.5 = 504.8977845038821
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-11-01 | 77 -> 76 | 504.04 -> 504.90 | |
| 2025-10-25 | 76 -> 77 | 504.04 | |
| 2025-10-22 | 77 -> 76 | 504.04 | |
| 2025-10-13 | 79 -> 77 | 496.53 -> 504.04 | |
| 2025-10-09 | 80 -> 79 | 496.53 | |
| 2025-10-04 | 81 -> 80 | 489.58 -> 496.53 | 
                        
                             Riichi over Volga: 86% -> 71%  | 
                
| 2025-09-14 | 78 -> 81 | 504.07 -> 489.58 | 
                        
                             Guardian of the Winds: 86% -> 71%  | 
                
| 2025-09-12 | 74 -> 78 | 522.92 -> 504.07 | 
                        
                             X Russian Championship: 71% -> 57%  | 
                
| 2025-09-10 | 75 -> 74 | 522.92 | |
| 2025-09-05 | 76 -> 75 | 517.64 -> 522.92 | 
                        
                             Finding Dora: 29% -> 14%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | 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 | 71% | 3.65 | RR | Riichi over Volga | Samara | |
| 4 | 787 | 
                     | 
                11/48 | 71% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 5 | 682 | 
                     | 
                35/108 | 57% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 0 | 
                     | 
                28/28 | 14% | 2.30 | CRR | Finding Dora | Yekaterinburg | |
| 7 | 105 | 
                     | 
                18/20 | 0% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg | |
| 8 | 425 | 
                     | 
                51/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 9 | 397 | 
                     | 
                39/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 10 | 87 | 
                     | 
                22/24 | 0% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg |