Polyakov Kirill
Russian Champion 2022
From Kirov, Russia
EMA: 15990333
Common russian riichi rating (CRR)
Rating date Sept. 22, 2023 (latest changes Sept. 22, 2023).
32 place (514.92).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (327.27 * 3.30 * 0.14 + 656.72 * 3.50 * 0.43 + 1000 * 4.20 * 1 + 126.44 * 3.75 * 1 + 666.67 * 1.20 * 1) / (3.30 * 0.14 + 3.50 * 0.43 + 4.20 * 1 + 3.75 * 1 + 1.20 * 1) = 594.6597947970045
p2 = (1000 * 4.20 * 1 + 656.72 * 3.50 * 0.43 + 666.67 * 1.20 * 1 + 126.44 * 3.75 * 1) / max_coefficients = 435.17597453060944
score = 594.6597947970045 * 0.5 + 435.17597453060944 * 0.5 = 514.917884663807
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2023-09-20 | 31 -> 32 | 527.31 -> 514.92 | 
                        
                             Tenpai can't buy happiness: 57% -> 43%  | 
                
| 2023-09-06 | 32 -> 31 | 522.05 -> 527.31 | 
                        
                             Kirov Tournament: 29% -> 14%  | 
                
| 2023-09-03 | 19 -> 32 | 542.16 -> 522.05 | |
| 2023-09-01 | 34 -> 19 | 512.98 -> 542.16 | |
| 2021-02-01 | 60 -> 34 | 540.16 -> 512.98 | |
| 2020-02-01 | 60 | 540.16 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 667 | 
                     | 
                6/16 | 100% | 1.20 | CRR | Riichi or die | Kirov | |
| 2 | 126 | 
                     | 
                77/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 1000 | 
                     | 
                🥇 | 1/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | 
| 4 | 657 | 
                     | 
                24/68 | 43% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 5 | 327 | 
                     | 
                38/56 | 14% | 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 | |
| 20 | 455 | 
                     | 
                7/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 | Kirov |