Polyakov Kirill
Russian Champion 2022
From Kirov, Russia
EMA: 15990333
Internal rating (RR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
93 place (381.27).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (1000 * 4.20 * 0.14 + 126.44 * 3.75 * 0.57 + 785.05 * 4.60 * 1 + 0 + 0) / (4.20 * 0.14 + 3.75 * 0.57 + 4.60 * 1 + 1 + 1) = 479.7542098677824
p2 = (785.05 * 4.60 * 1 + 1000 * 4.20 * 0.14 + 126.44 * 3.75 * 0.57) / max_coefficients = 282.79558359621456
score = 479.7542098677824 * 0.5 + 282.79558359621456 * 0.5 = 381.27489673199847
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2024-10-13 | 81 -> 93 | 384.20 -> 381.27 | |
| 2024-10-11 | 83 -> 81 | 376.80 -> 384.20 | 
                        
                             Money can not buy tenpai: 71% -> 57%  | 
                
| 2024-09-06 | 78 -> 83 | 411.55 -> 376.80 | 
                        
                             IX Russian Riichi Championship: 29% -> 14%  | 
                
| 2024-09-03 | 78 | 405.66 -> 411.55 | |
| 2024-09-01 | 68 -> 78 | 414.03 -> 405.66 | |
| 2024-08-11 | 72 -> 68 | 405.56 -> 414.03 | 
                        
                             Money can not buy tenpai: 86% -> 71%  | 
                
| 2024-08-04 | 60 -> 72 | 412.37 -> 405.56 | |
| 2024-07-14 | 54 -> 60 | 412.37 | |
| 2024-07-06 | 52 -> 54 | 446.15 -> 412.37 | 
                        
                             IX Russian Riichi Championship: 43% -> 29%  | 
                
| 2024-06-11 | 55 -> 52 | 433.28 -> 446.15 | 
                        
                             Money can not buy tenpai: 100% -> 86%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 785 | 
                     | 
                24/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 2 | 126 | 
                     | 
                77/88 | 57% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 1000 | 
                     | 
                🥇 | 1/76 | 14% | 4.20 | RR | IX Russian Riichi Championship | Perm | 
| 4 | 657 | 
                     | 
                24/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 5 | 327 | 
                     | 
                38/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 6 | 923 | 
                     | 
                4/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 7 | 288 | 
                     | 
                80/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 8 | 95 | 
                     | 
                58/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 9 | 667 | 
                     | 
                10/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 10 | 657 | 
                     | 
                13/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 11 | 928 | 
                     | 
                7/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 12 | 352 | 
                     | 
                60/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 13 | 565 | 
                     | 
                11/24 | 0% | 1.40 | RR | Seven ryanmens | Kirov | |
| 14 | 704 | 
                     | 
                22/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 15 | 333 | 
                     | 
                11/16 | 0% | 1.20 | RR | Yakuman in discard | Kirov | |
| 16 | 718 | 
                     | 
                21/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 17 | 800 | 
                     | 
                4/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 | Kirov | |
| 18 | 867 | 
                     | 
                🥉 | 3/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 | Kirov | 
| 19 | 806 | 
                     | 
                7/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm |