Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Feb. 22, 2025 (latest changes Feb. 22, 2025).
246 place (17.56).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (608.70 * 1.40 * 0.14 + 9.35 * 4 * 0.57 + 0 + 0 + 0) / (1.40 * 0.14 + 4 * 0.57 + 1 + 1 + 1) = 26.093487383468897
p2 = (608.70 * 1.40 * 0.14 + 9.35 * 4 * 0.57) / max_coefficients = 9.030914826498423
score = 26.093487383468897 * 0.5 + 9.030914826498423 * 0.5 = 17.56220110498366
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-22 | 245 -> 246 | 31.64 -> 17.56 |
Fire cup 2023: 29% -> 14% |
| 2025-02-16 | 240 -> 245 | 31.64 | |
| 2025-02-02 | 233 -> 240 | 31.64 | |
| 2025-01-26 | 222 -> 233 | 31.64 | |
| 2025-01-14 | 227 -> 222 | 31.64 | |
| 2025-01-07 | 222 -> 227 | 31.64 | |
| 2025-01-04 | 221 -> 222 | 31.64 | |
| 2025-01-03 | 221 | 30.11 -> 31.64 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-29 | 220 -> 221 | 30.11 | |
| 2024-12-22 | 218 -> 220 | 42.71 -> 30.11 |
Fire cup 2023: 43% -> 29% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 9 |
|
107/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 609 |
|
10/24 | 14% | 1.40 | CRR | Fire cup 2023 |
| 3 | 641 |
|
15/40 | 0% | 1.80 | CRR | Sun tournament |