Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
34 place (611.84).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (146.67 * 4.20 * 0.14 + 988.51 * 3.75 * 0.57 + 551.40 * 4 * 0.71 + 635.51 * 4.60 * 1 + 234.04 * 2.80 * 1 + 810.13 * 3.65 * 1) / (4.20 * 0.14 + 3.75 * 0.57 + 4 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 619.6504171438902
p2 = (810.13 * 3.65 * 1 + 635.51 * 4.60 * 1 + 988.51 * 3.75 * 0.57 + 551.40 * 4 * 0.71) / max_coefficients = 604.0321766561515
score = 619.6504171438902 * 0.5 + 604.0321766561515 * 0.5 = 611.8412969000208
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2024-11-03 | 34 | 620.65 -> 611.84 | 
                        
                             SPB Riichi Open 2023: 86% -> 71%  | 
                
| 2024-10-22 | 35 -> 34 | 620.65 | |
| 2024-10-13 | 32 -> 35 | 627.11 -> 620.65 | |
| 2024-10-11 | 24 -> 32 | 649.76 -> 627.11 | 
                        
                             Money can not buy tenpai: 71% -> 57%  | 
                
| 2024-09-06 | 26 -> 24 | 641.89 -> 649.76 | 
                        
                             IX Russian Riichi Championship: 29% -> 14%  | 
                
| 2024-09-03 | 29 -> 26 | 638.84 -> 641.89 | 
                        
                             SPB Riichi Open 2023: 100% -> 86%  | 
                
| 2024-09-01 | 24 -> 29 | 656.27 -> 638.84 | |
| 2024-08-26 | 25 -> 24 | 656.27 | |
| 2024-08-11 | 21 -> 25 | 674.85 -> 656.27 | 
                        
                             Money can not buy tenpai: 86% -> 71%  | 
                
| 2024-08-04 | 30 -> 21 | 590.35 -> 674.85 | 
                        
                             Riichi over Volga: 0% -> 100%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 810 | 
                     | 
                16/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 2 | 234 | 
                     | 
                37/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 3 | 636 | 
                     | 
                40/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 551 | 
                     | 
                49/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 5 | 989 | 
                     | 
                🥈 | 2/88 | 57% | 3.75 | RR | Money can not buy tenpai | Perm | 
| 6 | 147 | 
                     | 
                65/76 | 14% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 7 | 180 | 
                     | 
                92/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 8 | 433 | 
                     | 
                39/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 9 | 640 | 
                     | 
                28/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 10 | 568 | 
                     | 
                49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 11 | 333 | 
                     | 
                43/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 12 | 988 | 
                     | 
                🥈 | 2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | 
| 13 | 947 | 
                     | 
                🥈 | 2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm | 
| 14 | 560 | 
                     | 
                41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 15 | 889 | 
                     | 
                4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | |
| 16 | 676 | 
                     | 
                24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 17 | 185 | 
                     | 
                23/28 | 0% | 1.70 | RR | Fuyu Shanten | Perm | |
| 18 | 324 | 
                     | 
                49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 19 | 548 | 
                     | 
                15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 20 | 548 | 
                     | 
                15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 21 | 444 | 
                     | 
                16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm | |
| 22 | 579 | 
                     | 
                9/20 | 0% | 1.70 | RR | Plitochka | Tyumen | |
| 23 | 815 | 
                     | 
                6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 | Yekaterinburg | |
| 24 | 263 | 
                     | 
                15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 | Yekaterinburg | |
| 25 | 455 | 
                     | 
                31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |