Chernykh Svetlana
From Yekaterinburg, Russia
Internal rating (RR)
Rating date May 12, 2025 (latest changes May 12, 2025).
93 place (425.43).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (563.22 * 3.75 * 0.14 + 205.61 * 4.60 * 0.86 + 872.34 * 2.80 * 1 + 741.94 * 2.40 * 1 + 0) / (3.75 * 0.14 + 4.60 * 0.86 + 2.80 * 1 + 2.40 * 1 + 1) = 499.6612363025452
p2 = (872.34 * 2.80 * 1 + 741.94 * 2.40 * 1 + 205.61 * 4.60 * 0.86 + 563.22 * 3.75 * 0.14) / max_coefficients = 351.1991975072174
score = 499.6612363025452 * 0.5 + 351.1991975072174 * 0.5 = 425.43021690488126
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-05-12 | 93 | 413.89 -> 425.43 | 
                        
                             X Russian Championship: 100% -> 86%  | 
                
| 2025-05-10 | 94 -> 93 | 413.89 | |
| 2025-05-03 | 88 -> 94 | 413.89 | |
| 2025-04-11 | 87 -> 88 | 425.22 -> 413.89 | 
                        
                             Money can not buy tenpai: 29% -> 14%  | 
                
| 2025-03-10 | 88 -> 87 | 425.22 | |
| 2025-03-03 | 86 -> 88 | 425.22 | |
| 2025-03-02 | 119 -> 86 | 316.53 -> 425.22 | 
                        
                             Riichi Maslenitsa (shrovetide): 0% -> 100%  | 
                
| 2025-02-16 | 112 -> 119 | 316.53 | |
| 2025-02-11 | 109 -> 112 | 330.48 -> 316.53 | 
                        
                             Money can not buy tenpai: 43% -> 29%  | 
                
| 2025-02-02 | 107 -> 109 | 330.48 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 742 | 
                     | 
                9/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 2 | 872 | 
                     | 
                7/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 3 | 206 | 
                     | 
                86/108 | 86% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 563 | 
                     | 
                39/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 5 | 1000 | 
                     | 
                🥇 | 1/20 | 0% | 2.10 | RR | Spring hope | Yekaterinburg | 
| 6 | 696 | 
                     | 
                8/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 7 | 913 | 
                     | 
                🥉 | 3/24 | 0% | 2.20 | RR | The first tournament of 2017 | Yekaterinburg | 
| 8 | 348 | 
                     | 
                16/24 | 0% | 1.80 | RR | 4 riichi mahjong tournament 2015 | Yekaterinburg | |
| 9 | 200 | 
                     | 
                13/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 | Yekaterinburg | |
| 10 | 600 | 
                     | 
                7/16 | 0% | 1.60 | RR | 2 autumn riichi mahjong tournament 2015 | Yekaterinburg | |
| 11 | 444 | 
                     | 
                16/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 | Yekaterinburg | |
| 12 | 263 | 
                     | 
                15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 | Yekaterinburg |