Maksimova Natalya
From Moscow, Russia
EMA: 15020074
Internal rating (RR)
Rating date Sept. 29, 2023 (latest changes Sept. 29, 2023).
12 place (619.52).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (507.46 * 3.50 * 0.43 + 666.67 * 3.45 * 0.14 + 545.45 * 3.30 * 0.14 + 684.68 * 4.05 * 0.71 + 240 * 4.20 * 1 + 770.11 * 3.75 * 1 + 850.47 * 4 * 1) / (3.50 * 0.43 + 3.45 * 0.14 + 3.30 * 0.14 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 613.9306512345162
p2 = (850.47 * 4 * 1 + 770.11 * 3.75 * 1 + 684.68 * 4.05 * 0.71 + 240 * 4.20 * 1) / max_coefficients = 625.1150801577721
score = 613.9306512345162 * 0.5 + 625.1150801577721 * 0.5 = 619.5228656961442
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2023-09-28 | 11 -> 12 | 620.25 -> 619.52 | 
                        
                             Saint Petersburg Open 2021: 29% -> 14%  | 
                
| 2023-09-20 | 12 -> 11 | 619.01 -> 620.25 | 
                        
                             Tenpai can't buy happiness: 57% -> 43%  | 
                
| 2023-09-06 | 12 | 618.17 -> 619.01 | 
                        
                             Kirov Tournament: 29% -> 14%  | 
                
| 2023-09-03 | 18 -> 12 | 541.23 -> 618.17 | 
                        
                             SPB Riichi Open 2023: 0% -> 100%  | 
                
| 2023-09-01 | 23 -> 18 | 590.77 -> 541.23 | |
| 2021-02-01 | 29 -> 23 | 645.52 -> 590.77 | |
| 2020-02-01 | 29 | 645.52 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 850 | 
                     | 
                17/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 770 | 
                     | 
                21/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 240 | 
                     | 
                58/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 4 | 685 | 
                     | 
                36/112 | 71% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 5 | 507 | 
                     | 
                34/68 | 43% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 6 | 667 | 
                     | 
                26/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 7 | 545 | 
                     | 
                26/56 | 14% | 3.30 | RR | Kirov Tournament | Kirov | |
| 8 | 692 | 
                     | 
                13/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 9 | 419 | 
                     | 
                19/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 10 | 468 | 
                     | 
                60/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 11 | 762 | 
                     | 
                16/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 12 | 667 | 
                     | 
                22/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 13 | 222 | 
                     | 
                22/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 14 | 86 | 
                     | 
                33/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 15 | 892 | 
                     | 
                10/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 16 | 270 | 
                     | 
                47/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 17 | 703 | 
                     | 
                28/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 18 | 903 | 
                     | 
                4/32 | 0% | 2.70 | EMA | Tsukimi 2018 | Vologda | |
| 19 | 511 | 
                     | 
                24/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 20 | 963 | 
                     | 
                🥈 | 2/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | 
| 21 | 296 | 
                     | 
                51/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 22 | 474 | 
                     | 
                11/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | |
| 23 | 826 | 
                     | 
                5/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 24 | 343 | 
                     | 
                24/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 | Moscow | |
| 25 | 889 | 
                     | 
                4/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 26 | 710 | 
                     | 
                10/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 27 | 903 | 
                     | 
                4/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 28 | 852 | 
                     | 
                5/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm | |
| 29 | 870 | 
                     | 
                4/24 | 0% | 2.20 | RR | The first tournament of 2017 | Yekaterinburg |