Polyakov Kirill
Russian Champion 2022
From Kirov, Russia
EMA: 15990333
Common russian riichi rating (CRR)
Rating date May 12, 2025 (latest changes May 12, 2025).
128 place (360.21).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (126.44 * 3.75 * 0.14 + 666.67 * 1.20 * 0.29 + 785.05 * 4.60 * 0.86 + 0 + 0) / (3.75 * 0.14 + 1.20 * 0.29 + 4.60 * 0.86 + 1 + 1) = 497.18421872423085
p2 = (785.05 * 4.60 * 0.86 + 666.67 * 1.20 * 0.29 + 126.44 * 3.75 * 0.14) / max_coefficients = 223.23148151804884
score = 497.18421872423085 * 0.5 + 223.23148151804884 * 0.5 = 360.2078501211398
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-05-12 | 113 -> 128 | 384.51 -> 360.21 | 
                        
                             X Russian Championship: 100% -> 86%  | 
                
| 2025-05-03 | 109 -> 113 | 384.51 | |
| 2025-04-27 | 106 -> 109 | 384.51 | |
| 2025-04-26 | 102 -> 106 | 389.73 -> 384.51 | 
                        
                             Riichi or die: 43% -> 29%  | 
                
| 2025-04-25 | 103 -> 102 | 389.73 | |
| 2025-04-11 | 107 -> 103 | 378.81 -> 389.73 | 
                        
                             Money can not buy tenpai: 29% -> 14%  | 
                
| 2025-03-30 | 108 -> 107 | 378.81 | |
| 2025-03-23 | 106 -> 108 | 378.81 | |
| 2025-03-10 | 108 -> 106 | 378.81 | |
| 2025-03-03 | 109 -> 108 | 378.81 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 785 | 
                     | 
                24/108 | 86% | 4.60 | RR | X Russian Championship | Perm | |
| 2 | 667 | 
                     | 
                6/16 | 29% | 1.20 | CRR | Riichi or die | Kirov | |
| 3 | 126 | 
                     | 
                77/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 4 | 1000 | 
                     | 
                🥇 | 1/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | 
| 5 | 657 | 
                     | 
                24/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 6 | 327 | 
                     | 
                38/56 | 0% | 3.30 | RR | Kirov Tournament | Kirov | |
| 7 | 923 | 
                     | 
                4/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 8 | 288 | 
                     | 
                80/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 9 | 95 | 
                     | 
                58/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 10 | 667 | 
                     | 
                10/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 11 | 657 | 
                     | 
                13/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 12 | 928 | 
                     | 
                7/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 13 | 352 | 
                     | 
                60/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 14 | 565 | 
                     | 
                11/24 | 0% | 1.40 | RR | Seven ryanmens | Kirov | |
| 15 | 704 | 
                     | 
                22/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 16 | 333 | 
                     | 
                11/16 | 0% | 1.20 | RR | Yakuman in discard | Kirov | |
| 17 | 718 | 
                     | 
                21/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 18 | 800 | 
                     | 
                4/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 | Kirov | |
| 19 | 867 | 
                     | 
                🥉 | 3/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 | Kirov | 
| 20 | 806 | 
                     | 
                7/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 21 | 455 | 
                     | 
                7/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 | Kirov |