Rozhkova Anastasiya
From Moscow, Russia
EMA: 15990371
Internal rating (RR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
38 place (616.82).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (551.40 * 4.60 * 0.57 + 588.24 * 3.05 * 0.57 + 734.18 * 3.65 * 0.71 + 578.95 * 3.85 * 0.86 + 225.81 * 3.10 * 1 + 500 * 2.60 * 1 + 864.41 * 3.25 * 1 + 96.77 * 2.40 * 1 + 485.71 * 1.90 * 1 + 657.14 * 3.50 * 1 + 753.25 * 3.45 * 1) / (4.60 * 0.57 + 3.05 * 0.57 + 3.65 * 0.71 + 3.85 * 0.86 + 3.10 * 1 + 2.60 * 1 + 3.25 * 1 + 2.40 * 1 + 1.90 * 1 + 3.50 * 1 + 3.45 * 1) = 563.0968192389063
p2 = (864.41 * 3.25 * 1 + 753.25 * 3.45 * 1 + 657.14 * 3.50 * 1 + 734.18 * 3.65 * 0.71) / max_coefficients = 670.5415079685584
score = 563.0968192389063 * 0.5 + 670.5415079685584 * 0.5 = 616.8191636037324
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-10-13 | 42 -> 38 | 606.62 -> 616.82 | |
| 2025-10-09 | 42 | 606.80 -> 606.62 | 
                        
                             Agari Summer Tournament 2024: 71% -> 57%  | 
                
| 2025-10-04 | 39 -> 42 | 621.14 -> 606.80 | 
                        
                             Riichi over Volga: 86% -> 71%  | 
                
| 2025-09-30 | 40 -> 39 | 621.14 | |
| 2025-09-12 | 42 -> 40 | 620.99 -> 621.14 | 
                        
                             X Russian Championship: 71% -> 57%  | 
                
| 2025-09-03 | 42 | 620.78 -> 620.99 | 
                        
                             SPB Riichi Open 2023: 14% -> 0%  | 
                
| 2025-09-01 | 43 -> 42 | 612.00 -> 620.78 | 
                        
                             SPB Riichi Open 2024: 100% -> 86%  | 
                
| 2025-08-31 | 44 -> 43 | 588.97 -> 612.00 | 
                        
                             SPB Riichi Open 2025: 0% -> 100%  | 
                
| 2025-08-09 | 44 | 589.29 -> 588.97 | 
                        
                             Agari Summer Tournament 2024: 86% -> 71%  | 
                
| 2025-08-04 | 45 -> 44 | 600.27 -> 589.29 | 
                        
                             Riichi over Volga: 100% -> 86%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 753 | 
                     | 
                20/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 104 | 
                     | 
                61/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 657 | 
                     | 
                25/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 4 | 486 | 
                     | 
                19/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 5 | 97 | 
                     | 
                29/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 6 | 864 | 
                     | 
                9/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 7 | 500 | 
                     | 
                22/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 8 | 226 | 
                     | 
                25/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 9 | 579 | 
                     | 
                41/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 734 | 
                     | 
                22/80 | 71% | 3.65 | RR | Riichi over Volga | Samara | |
| 11 | 588 | 
                     | 
                22/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 12 | 551 | 
                     | 
                49/108 | 57% | 4.60 | RR | X Russian Championship | Perm | |
| 13 | 542 | 
                     | 
                50/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 14 | 853 | 
                     | 
                12/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 15 | 297 | 
                     | 
                79/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 16 | 537 | 
                     | 
                32/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 17 | 362 | 
                     | 
                31/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 18 | 867 | 
                     | 
                11/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 19 | 516 | 
                     | 
                16/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 20 | 955 | 
                     | 
                6/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 21 | 619 | 
                     | 
                25/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 22 | 619 | 
                     | 
                25/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 23 | 314 | 
                     | 
                25/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 24 | 769 | 
                     | 
                10/40 | 0% | 2.90 | RR | Summer Cup 2019 | Saint Petersburg | |
| 25 | 398 | 
                     | 
                51/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 26 | 511 | 
                     | 
                24/48 | 0% | 3.10 | RR | Agari team tournament 2019 | Moscow | |
| 27 | 176 | 
                     | 
                76/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |