Polozov Eduard
From Tyumen, Russia
EMA: 15020070
Common russian riichi rating (CRR)
Rating date Jan. 19, 2026 (latest changes Jan. 19, 2026).
130 place (371.04).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (739.13 * 2.20 * 0.57 + 774.19 * 2.40 * 1 + 373.13 * 4.10 * 1 + 157.89 * 1.90 * 1 + 0) / (2.20 * 0.57 + 2.40 * 1 + 4.10 * 1 + 1.90 * 1 + 1) = 433.2387483250571
p2 = (774.19 * 2.40 * 1 + 373.13 * 4.10 * 1 + 739.13 * 2.20 * 0.57 + 157.89 * 1.90 * 1) / max_coefficients = 308.8334448160535
score = 433.2387483250571 * 0.5 + 308.8334448160535 * 0.5 = 371.0360965705553
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-15 | 127 -> 130 | 383.19 -> 371.04 |
Tails, money, two renchans: 71% -> 57% |
| 2026-01-14 | 128 -> 127 | 383.19 | |
| 2026-01-12 | 130 -> 128 | 383.19 | |
| 2026-01-07 | 126 -> 130 | 383.19 | |
| 2026-01-03 | 125 -> 126 | 378.01 -> 383.19 |
Riichi in country home: 0% -> 100% |
| 2026-01-01 | 126 -> 125 | 378.01 | |
| 2025-12-29 | 127 -> 126 | 378.01 | |
| 2025-12-27 | 125 -> 127 | 378.01 | |
| 2025-12-09 | 126 -> 125 | 378.01 | |
| 2025-12-07 | 122 -> 126 | 378.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 158 |
|
17/20 | 100% | 1.90 | CRR | Riichi in country home | Megion | |
| 2 | 373 |
|
43/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 774 |
|
8/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 4 | 739 |
|
7/24 | 57% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 5 | 53 |
|
19/20 | 0% | 2.10 | CRR | Guard of the tenpai | Tyumen | |
| 6 | 1000 |
|
🥇 | 1/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen |
| 7 | 444 |
|
16/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 8 | 323 |
|
22/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 9 | 933 |
|
🥈 | 2/16 | 0% | 1.60 | RR | "Legendary player" riichi mahjong tournament 2016 | Tyumen |
| 10 | 684 |
|
7/20 | 0% | 1.70 | RR | "Tiles, doras, 2 renchans" | Tyumen | |
| 11 | 368 |
|
13/20 | 0% | 1.70 | RR | Plitochka | Tyumen | |
| 12 | 800 |
|
4/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 | Yekaterinburg | |
| 13 | 158 |
|
17/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 | Yekaterinburg |