Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Common russian riichi rating (CRR)
Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).
99 place (399.15).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (981.31 * 4.60 * 1 + 63.16 * 3.85 * 1 + 325.84 * 3.75 * 1 + 0 + 0) / (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 1 + 1) = 421.06267605633803
p2 = (981.31 * 4.60 * 1 + 325.84 * 3.75 * 1 + 63.16 * 3.85 * 1) / max_coefficients = 377.22965299684546
score = 421.06267605633803 * 0.5 + 377.22965299684546 * 0.5 = 399.14616452659175
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2024-11-05 | 103 -> 99 | 399.15 | |
| 2024-11-04 | 102 -> 103 | 399.15 | |
| 2024-11-03 | 103 -> 102 | 399.15 | |
| 2024-10-27 | 102 -> 103 | 399.15 | |
| 2024-10-25 | 101 -> 102 | 399.15 | |
| 2024-10-13 | 114 -> 101 | 360.91 -> 399.15 | 
                        
                             Moscow Riichi 2024: 0% -> 100%  | 
                
| 2024-10-11 | 115 -> 114 | 360.91 | |
| 2024-09-15 | 112 -> 115 | 360.91 | |
| 2024-09-03 | 114 -> 112 | 355.48 -> 360.91 | |
| 2024-09-01 | 72 -> 114 | 430.33 -> 355.48 | 
                        
                             SPB Riichi Open 2024: 0% -> 100%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 326 | 
                     | 
                61/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 2 | 63 | 
                     | 
                90/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 981 | 
                     | 
                🥉 | 3/108 | 100% | 4.60 | RR | X Russian Championship | Perm | 
| 4 | 144 | 
                     | 
                96/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 5 | 979 | 
                     | 
                🥈 | 2/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | 
| 6 | 709 | 
                     | 
                17/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 7 | 0 | 
                     | 
                36/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 8 | 193 | 
                     | 
                68/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |