Maksimova Natalya
From Moscow, Russia
EMA: 15020074
Internal rating (RR)
Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).
3 place (803.37).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (294.12 * 3.05 * 0.57 + 1000 * 4.60 * 0.71 + 960.78 * 3.05 * 0.71 + 696.63 * 3.75 * 1 + 1000 * 3.50 * 1) / (3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.75 * 1 + 3.50 * 1) = 830.3080168207252
p2 = (1000 * 3.50 * 1 + 1000 * 4.60 * 0.71 + 696.63 * 3.75 * 1 + 960.78 * 3.05 * 0.71) / max_coefficients = 776.4405405405406
score = 830.3080168207252 * 0.5 + 776.4405405405406 * 0.5 = 803.3742786806329
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-09-03 | 4 -> 3 | 803.76 -> 803.37 | 
                        
                             SPB Riichi Open 2023: 14% -> 0%  | 
                
| 2025-09-01 | 4 | 793.54 -> 803.76 | |
| 2025-08-31 | 2 -> 4 | 793.54 | |
| 2025-08-09 | 1 -> 2 | 809.13 -> 793.54 | 
                        
                             Agari Summer Tournament 2024: 86% -> 71%  | 
                
| 2025-08-04 | 1 | 805.30 -> 809.13 | |
| 2025-07-12 | 1 | 822.41 -> 805.30 | 
                        
                             X Russian Championship: 86% -> 71%  | 
                
| 2025-07-10 | 1 | 815.21 -> 822.41 | 
                        
                             Agari Spring Tournament 2024: 71% -> 57%  | 
                
| 2025-07-03 | 1 | 815.60 -> 815.21 | 
                        
                             SPB Riichi Open 2023: 29% -> 14%  | 
                
| 2025-06-15 | 2 -> 1 | 827.49 -> 815.60 | |
| 2025-06-11 | 2 | 826.62 -> 827.49 | 
                        
                             Money can not buy tenpai: 14% -> 0%  | 
                
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 | 697 | 
                     | 
                28/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 3 | 961 | 
                     | 
                🥉 | 3/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | 
| 4 | 1000 | 
                     | 
                🥇 | 1/108 | 71% | 4.60 | RR | X Russian Championship | Perm | 
| 5 | 294 | 
                     | 
                37/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 6 | 850 | 
                     | 
                17/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 770 | 
                     | 
                21/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 8 | 240 | 
                     | 
                58/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 9 | 685 | 
                     | 
                36/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 10 | 507 | 
                     | 
                34/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 11 | 667 | 
                     | 
                26/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 12 | 545 | 
                     | 
                26/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 13 | 692 | 
                     | 
                13/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 14 | 419 | 
                     | 
                19/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 15 | 468 | 
                     | 
                60/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 16 | 762 | 
                     | 
                16/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 17 | 667 | 
                     | 
                22/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 18 | 222 | 
                     | 
                22/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 19 | 86 | 
                     | 
                33/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 20 | 892 | 
                     | 
                10/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 21 | 270 | 
                     | 
                47/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 22 | 703 | 
                     | 
                28/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 23 | 903 | 
                     | 
                4/32 | 0% | 2.70 | EMA | Tsukimi 2018 | Vologda | |
| 24 | 511 | 
                     | 
                24/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 25 | 963 | 
                     | 
                🥈 | 2/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | 
| 26 | 296 | 
                     | 
                51/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 27 | 474 | 
                     | 
                11/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | |
| 28 | 826 | 
                     | 
                5/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 29 | 343 | 
                     | 
                24/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 | Moscow | |
| 30 | 889 | 
                     | 
                4/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 31 | 710 | 
                     | 
                10/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 32 | 903 | 
                     | 
                4/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 33 | 852 | 
                     | 
                5/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm | |
| 34 | 870 | 
                     | 
                4/24 | 0% | 2.20 | RR | The first tournament of 2017 | Yekaterinburg |