Sorokin Pavel
From Saint Petersburg, Russia
EMA: 15990297
Common russian riichi rating (CRR)
Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).
13 place (737.44).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (738.32 * 4 * 0.14 + 51.28 * 2.90 * 0.29 + 254.90 * 3.05 * 0.57 + 913.04 * 2.10 * 0.57 + 485.98 * 4.60 * 0.71 + 147.37 * 3.85 * 0.86 + 662.92 * 3.75 * 1 + 915.25 * 3.25 * 1 + 971.43 * 1.90 * 1 + 900 * 3.50 * 1 + 850.75 * 4.10 * 1) / (4 * 0.14 + 2.90 * 0.29 + 3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1) = 657.4114364079203
p2 = (850.75 * 4.10 * 1 + 900 * 3.50 * 1 + 915.25 * 3.25 * 1 + 662.92 * 3.75 * 1) / max_coefficients = 817.4729729729728
score = 657.4114364079203 * 0.5 + 817.4729729729728 * 0.5 = 737.4422046904465
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 15 -> 13 | 721.67 -> 737.44 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 5 -> 15 | 761.56 -> 721.67 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-25 | 6 -> 5 | 761.56 | |
| 2025-08-04 | 6 | 757.67 -> 761.56 | |
| 2025-08-03 | 5 -> 6 | 757.67 | |
| 2025-07-30 | 5 | 758.82 -> 757.67 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 5 | 753.16 -> 758.82 |
Autumn Agari tournament: 43% -> 29% |
| 2025-07-12 | 8 -> 5 | 742.80 -> 753.16 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 8 | 738.95 -> 742.80 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-03 | 8 | 739.32 -> 738.95 |
SPB Riichi Open 2023: 29% -> 14% |