Polozov Eduard
From Tyumen, Russia
EMA: 15020070
Common russian riichi rating (CRR)
Rating date Oct. 31, 2025 (latest changes Oct. 27, 2025).
118 place (396.81).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (739.13 * 2.20 * 0.86 + 774.19 * 2.40 * 1 + 373.13 * 4.10 * 1 + 0 + 0) / (2.20 * 0.86 + 2.40 * 1 + 4.10 * 1 + 1 + 1) = 460.4087189787417
p2 = (774.19 * 2.40 * 1 + 373.13 * 4.10 * 1 + 739.13 * 2.20 * 0.86) / max_coefficients = 333.21846557817565
score = 460.4087189787417 * 0.5 + 333.21846557817565 * 0.5 = 396.8135922784587
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-10-13 | 118 | 391.75 -> 396.81 | |
| 2025-10-09 | 117 -> 118 | 391.75 | |
| 2025-10-04 | 118 -> 117 | 391.75 | |
| 2025-09-30 | 119 -> 118 | 391.75 | |
| 2025-09-26 | 120 -> 119 | 391.75 | |
| 2025-09-15 | 113 -> 120 | 403.69 -> 391.75 | Tails, money, two renchans: 100% -> 86% | 
| 2025-09-12 | 115 -> 113 | 403.69 | |
| 2025-09-10 | 117 -> 115 | 403.69 | |
| 2025-09-03 | 118 -> 117 | 403.69 | |
| 2025-09-01 | 121 -> 118 | 399.23 -> 403.69 | 
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 373 |  | 43/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 2 | 774 |  | 8/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 3 | 739 |  | 7/24 | 86% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 4 | 53 |  | 19/20 | 0% | 2.10 | CRR | Guard of the tenpai | Tyumen | |
| 5 | 1000 |  | 🥇 | 1/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | 
| 6 | 444 |  | 16/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 7 | 323 |  | 22/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 8 | 933 |  | 🥈 | 2/16 | 0% | 1.60 | RR | "Legendary player" riichi mahjong tournament 2016 | Tyumen | 
| 9 | 684 |  | 7/20 | 0% | 1.70 | RR | "Tiles, doras, 2 renchans" | Tyumen | |
| 10 | 368 |  | 13/20 | 0% | 1.70 | RR | Plitochka | Tyumen | |
| 11 | 800 |  | 4/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 | Yekaterinburg | |
| 12 | 158 |  | 17/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 | Yekaterinburg |