Polyakov Kirill
Russian Champion 2022
From Kirov, Russia
EMA: 15990333
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
34 place (512.98).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (927.71 * 4.20 * 0.29 + 657.14 * 3.20 * 0.43 + 666.67 * 2.60 * 0.57 + 95.24 * 3.85 * 0.71 + 288.29 * 4.05 * 0.86 + 923.08 * 2.90 * 1) / (4.20 * 0.29 + 3.20 * 0.43 + 2.60 * 0.57 + 3.85 * 0.71 + 4.05 * 0.86 + 2.90 * 1) = 526.9573491794533
p2 = (923.08 * 2.90 * 1 + 927.71 * 4.20 * 0.29 + 288.29 * 4.05 * 0.86 + 666.67 * 2.60 * 0.57) / max_coefficients = 499.00286086791033
score = 526.9573491794533 * 0.5 + 499.00286086791033 * 0.5 = 512.9801050236819
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 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 | 923 |  | 4/40 | 100% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov | |
| 2 | 288 |  | 80/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 3 | 95 |  | 58/64 | 71% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 4 | 667 |  | 10/28 | 57% | 2.60 | RR | And yet the sinner collects tanyao | Kirov | |
| 5 | 657 |  | 13/36 | 43% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 6 | 928 |  | 7/84 | 29% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 7 | 352 |  | 60/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 8 | 565 |  | 11/24 | 0% | 1.40 | RR | Seven ryanmens | Kirov | |
| 9 | 704 |  | 22/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 10 | 333 |  | 11/16 | 0% | 1.20 | RR | Yakuman in discard | Kirov | |
| 11 | 718 |  | 21/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 12 | 800 |  | 4/16 | 0% | 1.20 | RR | Crouching Peacock, Hidden Dragon 2017 | Kirov | |
| 13 | 867 |  | 🥉 | 3/16 | 0% | 1.00 | RR | Third riichi mahjong tournament, Kirov 2017 | Kirov | 
| 14 | 806 |  | 7/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 15 | 455 |  | 7/12 | 0% | 0.90 | CRR | Second riichi mahjong tournament, Kirov 2017 | Kirov |