Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date April 26, 2024 (latest changes April 25, 2024).
162 place (125.25).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (641.03 * 1.80 * 0.43 + 608.70 * 1.40 * 0.86 + 9.35 * 4 * 1 + 0 + 0) / (1.80 * 0.43 + 1.40 * 0.86 + 4 * 1 + 1 + 1) = 158.3557258305296
p2 = (608.70 * 1.40 * 0.86 + 641.03 * 1.80 * 0.43 + 9.35 * 4 * 1) / max_coefficients = 92.14014598540146
score = 158.3557258305296 * 0.5 + 92.14014598540146 * 0.5 = 125.24793590796553
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-22 | 159 -> 162 | 135.20 -> 125.25 |
Fire cup 2023: 100% -> 86% |
| 2024-04-17 | 160 -> 159 | 135.20 | |
| 2024-04-12 | 161 -> 160 | 135.20 | |
| 2024-03-30 | 153 -> 161 | 135.20 | |
| 2024-03-20 | 159 -> 153 | 135.20 | |
| 2024-03-14 | 160 -> 159 | 135.20 | |
| 2024-03-10 | 158 -> 160 | 137.72 -> 135.20 | |
| 2024-03-06 | 160 -> 158 | 135.39 -> 137.72 | |
| 2024-02-27 | 155 -> 160 | 148.62 -> 135.39 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 151 -> 155 | 148.62 |
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 | 86% | 1.40 | CRR | Fire cup 2023 |
| 3 | 641 |
|
15/40 | 43% | 1.80 | CRR | Sun tournament |