Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date June 25, 2024 (latest changes June 25, 2024).
181 place (97.75).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (641.03 * 1.80 * 0.29 + 608.70 * 1.40 * 0.71 + 9.35 * 4 * 1 + 0 + 0) / (1.80 * 0.29 + 1.40 * 0.71 + 4 * 1 + 1 + 1) = 129.85142954481336
p2 = (608.70 * 1.40 * 0.71 + 641.03 * 1.80 * 0.29 + 9.35 * 4 * 1) / max_coefficients = 65.6439581879189
score = 129.85142954481336 * 0.5 + 65.6439581879189 * 0.5 = 97.74769386636612
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-22 | 178 -> 181 | 108.05 -> 97.75 |
Fire cup 2023: 86% -> 71% |
| 2024-06-11 | 187 -> 178 | 106.76 -> 108.05 | |
| 2024-06-09 | 181 -> 187 | 106.76 | |
| 2024-05-25 | 177 -> 181 | 106.76 | |
| 2024-05-19 | 174 -> 177 | 106.76 | |
| 2024-05-14 | 175 -> 174 | 106.76 | |
| 2024-05-12 | 162 -> 175 | 111.18 -> 106.76 | |
| 2024-05-05 | 161 -> 162 | 111.18 | |
| 2024-04-27 | 160 -> 161 | 125.25 -> 111.18 |
Sun tournament: 43% -> 29% |
| 2024-04-22 | 158 -> 160 | 135.20 -> 125.25 |
Fire cup 2023: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 9 |
|
107/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 609 |
|
10/24 | 71% | 1.40 | CRR | Fire cup 2023 |
| 3 | 641 |
|
15/40 | 29% | 1.80 | CRR | Sun tournament |