Maksimova Natalya
From Moscow, Russia
EMA: 15020074
Common russian riichi rating (CRR)
Rating date May 12, 2025 (latest changes May 12, 2025).
2 place (833.07).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (770.11 * 3.75 * 0.14 + 850.47 * 4 * 0.29 + 294.12 * 3.05 * 0.71 + 1000 * 4.60 * 0.86 + 960.78 * 3.05 * 1 + 696.63 * 3.75 * 1 + 695.65 * 2.80 * 1 + 1000 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.71 + 4.60 * 0.86 + 3.05 * 1 + 3.75 * 1 + 2.80 * 1 + 3.50 * 1) = 811.4186876045158
p2 = (1000 * 4.60 * 0.86 + 1000 * 3.50 * 1 + 960.78 * 3.05 * 1 + 696.63 * 3.75 * 1) / max_coefficients = 854.7160273447836
score = 811.4186876045158 * 0.5 + 854.7160273447836 * 0.5 = 833.0673574746497
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-05-12 | 2 | 838.96 -> 833.07 | 
                        
                             X Russian Championship: 100% -> 86%  | 
                
| 2025-05-10 | 2 | 833.78 -> 838.96 | 
                        
                             Agari Spring Tournament 2024: 86% -> 71%  | 
                
| 2025-05-03 | 6 -> 2 | 767.73 -> 833.78 | 
                        
                             Riichi over The Volga 2025: 0% -> 100% SPB Riichi Open 2023: 43% -> 29%  | 
                
| 2025-04-22 | 6 | 766.43 -> 767.73 | 
                        
                             Fire cup 2023: 14% -> 0%  | 
                
| 2025-03-10 | 7 -> 6 | 761.31 -> 766.43 | 
                        
                             Agari Spring Tournament 2024: 100% -> 86%  | 
                
| 2025-03-03 | 7 | 762.55 -> 761.31 | 
                        
                             SPB Riichi Open 2023: 57% -> 43%  | 
                
| 2025-02-25 | 7 | 761.64 -> 762.55 | 
                        
                             Earth cup: 14% -> 0%  | 
                
| 2025-02-22 | 7 | 760.52 -> 761.64 | 
                        
                             Fire cup 2023: 29% -> 14%  | 
                
| 2025-02-16 | 6 -> 7 | 760.52 | |
| 2025-02-11 | 6 | 760.66 -> 760.52 | 
                        
                             Money can not buy tenpai: 43% -> 29%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1000 | 
                     | 
                🥇 | 1/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | 
| 2 | 696 | 
                     | 
                8/24 | 100% | 2.80 | CRR | Riichi never changing | Moscow | |
| 3 | 697 | 
                     | 
                28/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 4 | 961 | 
                     | 
                🥉 | 3/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | 
| 5 | 1000 | 
                     | 
                🥇 | 1/108 | 86% | 4.60 | RR | X Russian Championship | Perm | 
| 6 | 294 | 
                     | 
                37/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 7 | 850 | 
                     | 
                17/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 8 | 770 | 
                     | 
                21/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 9 | 522 | 
                     | 
                12/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 10 | 613 | 
                     | 
                13/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 11 | 609 | 
                     | 
                10/24 | 0% | 2.80 | CRR | Meeting in the billiard room | Moscow | |
| 12 | 240 | 
                     | 
                58/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 13 | 1000 | 
                     | 
                🥇 | 1/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg | 
| 14 | 685 | 
                     | 
                36/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 15 | 507 | 
                     | 
                34/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 16 | 667 | 
                     | 
                26/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 17 | 545 | 
                     | 
                26/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 18 | 692 | 
                     | 
                13/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 19 | 419 | 
                     | 
                19/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 20 | 468 | 
                     | 
                60/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 21 | 762 | 
                     | 
                16/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 22 | 667 | 
                     | 
                22/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 23 | 222 | 
                     | 
                22/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 24 | 86 | 
                     | 
                33/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 25 | 892 | 
                     | 
                10/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 26 | 270 | 
                     | 
                47/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 27 | 703 | 
                     | 
                28/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 28 | 903 | 
                     | 
                4/32 | 0% | 2.70 | EMA | Tsukimi 2018 | Vologda | |
| 29 | 511 | 
                     | 
                24/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 30 | 963 | 
                     | 
                🥈 | 2/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | 
| 31 | 296 | 
                     | 
                51/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 32 | 368 | 
                     | 
                13/20 | 0% | 2.10 | CRR | Spring tournament (Ekaterinburg) | Yekaterinburg | |
| 33 | 474 | 
                     | 
                11/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | |
| 34 | 826 | 
                     | 
                5/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 35 | 343 | 
                     | 
                24/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 | Moscow | |
| 36 | 889 | 
                     | 
                4/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 37 | 710 | 
                     | 
                10/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 38 | 903 | 
                     | 
                4/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 39 | 852 | 
                     | 
                5/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm | |
| 40 | 870 | 
                     | 
                4/24 | 0% | 2.20 | RR | The first tournament of 2017 | Yekaterinburg |