Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date April 11, 2025 (latest changes April 11, 2025).
60 place (537.14).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (988.51 * 3.75 * 0.14 + 551.40 * 4 * 0.43 + 635.51 * 4.60 * 1 + 234.04 * 2.80 * 1 + 810.13 * 3.65 * 1) / (3.75 * 0.14 + 4 * 0.43 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 602.2943134634434
p2 = (810.13 * 3.65 * 1 + 635.51 * 4.60 * 1 + 551.40 * 4 * 0.43 + 234.04 * 2.80 * 1) / max_coefficients = 471.984858044164
score = 602.2943134634434 * 0.5 + 471.984858044164 * 0.5 = 537.1395857538037
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-04-11 | 57 -> 60 | 557.35 -> 537.14 | 
                        
                             Money can not buy tenpai: 29% -> 14%  | 
                
| 2025-03-30 | 59 -> 57 | 557.35 | |
| 2025-03-26 | 57 -> 59 | 557.35 | |
| 2025-03-03 | 51 -> 57 | 565.98 -> 557.35 | 
                        
                             SPB Riichi Open 2023: 57% -> 43%  | 
                
| 2025-03-02 | 49 -> 51 | 565.98 | |
| 2025-02-25 | 52 -> 49 | 565.98 | |
| 2025-02-22 | 53 -> 52 | 565.98 | |
| 2025-02-16 | 49 -> 53 | 565.98 | |
| 2025-02-11 | 42 -> 49 | 589.39 -> 565.98 | 
                        
                             Money can not buy tenpai: 43% -> 29%  | 
                
| 2025-02-02 | 39 -> 42 | 589.39 | 
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 | 43% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 5 | 989 | 
                     | 
                🥈 | 2/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | 
| 6 | 147 | 
                     | 
                65/76 | 0% | 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 |