Shabardina Svetlana
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).
158 place (305.86).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (308.41 * 4.60 * 0.71 + 367.09 * 3.65 * 0.86 + 105.26 * 1.50 * 1 + 135.59 * 3.25 * 1 + 581.40 * 3 * 1) / (4.60 * 0.71 + 3.65 * 0.86 + 1.50 * 1 + 3.25 * 1 + 3 * 1) = 318.0230150742771
p2 = (581.40 * 3 * 1 + 367.09 * 3.65 * 0.86 + 308.41 * 4.60 * 0.71 + 135.59 * 3.25 * 1) / max_coefficients = 293.6925675675676
score = 318.0230150742771 * 0.5 + 293.6925675675676 * 0.5 = 305.8577913209224
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-09-03 | 160 -> 158 | 305.86 | |
| 2025-09-01 | 162 -> 160 | 301.99 -> 305.86 | |
| 2025-08-31 | 158 -> 162 | 301.99 | |
| 2025-08-25 | 159 -> 158 | 305.27 -> 301.99 | |
| 2025-08-09 | 160 -> 159 | 305.27 | |
| 2025-08-04 | 157 -> 160 | 310.86 -> 305.27 | 
                        
                             Riichi over Volga: 100% -> 86%  | 
                
| 2025-08-03 | 204 -> 157 | 226.89 -> 310.86 | 
                        
                             Two roosters and Chuckles: 0% -> 100%  | 
                
| 2025-07-26 | 202 -> 204 | 226.89 | |
| 2025-07-14 | 203 -> 202 | 226.89 | |
| 2025-07-13 | 200 -> 203 | 226.89 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 581 | 
                     | 
                19/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 2 | 136 | 
                     | 
                52/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 105 | 
                     | 
                18/20 | 100% | 1.50 | CRR | Dirty Riichi | Kirov | |
| 4 | 367 | 
                     | 
                51/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 5 | 308 | 
                     | 
                75/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 867 | 
                     | 
                🥉 | 3/16 | 0% | 1.20 | CRR | Riichi or die | Kirov | 
| 7 | 161 | 
                     | 
                74/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 8 | 413 | 
                     | 
                45/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 9 | 533 | 
                     | 
                8/16 | 0% | 1.20 | CRR | Vyatka rooster | Kirov | |
| 10 | 856 | 
                     | 
                17/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 11 | 716 | 
                     | 
                20/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 12 | 127 | 
                     | 
                49/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov |