Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
193 place (71.35).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (641.03 * 1.80 * 0.14 + 608.70 * 1.40 * 0.57 + 9.35 * 4 * 1 + 0 + 0) / (1.80 * 0.14 + 1.40 * 0.57 + 4 * 1 + 1 + 1) = 97.65798803488079
p2 = (608.70 * 1.40 * 0.57 + 641.03 * 1.80 * 0.14 + 9.35 * 4 * 1) / max_coefficients = 45.04509803921568
score = 97.65798803488079 * 0.5 + 45.04509803921568 * 0.5 = 71.35154303704823
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-22 | 191 -> 193 | 82.38 -> 71.35 |
Fire cup 2023: 71% -> 57% |
| 2024-08-20 | 193 -> 191 | 82.38 | |
| 2024-08-11 | 193 | 82.09 -> 82.38 | |
| 2024-08-04 | 190 -> 193 | 83.15 -> 82.09 | |
| 2024-07-14 | 184 -> 190 | 83.15 | |
| 2024-07-09 | 185 -> 184 | 83.15 | |
| 2024-07-06 | 186 -> 185 | 83.15 | |
| 2024-07-03 | 187 -> 186 | 83.15 | |
| 2024-06-27 | 182 -> 187 | 97.75 -> 83.15 |
Sun tournament: 29% -> 14% |
| 2024-06-22 | 179 -> 182 | 108.05 -> 97.75 |
Fire cup 2023: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 |
|
107/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 609 |
|
10/24 | 57% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 3 | 641 |
|
15/40 | 14% | 1.80 | CRR | Sun tournament | Saint Petersburg |