Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
162 place (111.18).
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 * 0.29 + 608.70 * 1.40 * 0.86 + 9.35 * 4 * 1 + 0 + 0) / (1.80 * 0.29 + 1.40 * 0.86 + 4 * 1 + 1 + 1) = 142.26102512250137
p2 = (608.70 * 1.40 * 0.86 + 641.03 * 1.80 * 0.29 + 9.35 * 4 * 1) / max_coefficients = 80.10437956204379
score = 142.26102512250137 * 0.5 + 80.10437956204379 * 0.5 = 111.18270234227258
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-04-17 | 159 -> 158 | 135.20 | |
| 2024-04-12 | 160 -> 159 | 135.20 | |
| 2024-03-30 | 152 -> 160 | 135.20 | |
| 2024-03-20 | 158 -> 152 | 135.20 | |
| 2024-03-14 | 159 -> 158 | 135.20 | |
| 2024-03-10 | 157 -> 159 | 137.72 -> 135.20 | |
| 2024-03-06 | 159 -> 157 | 135.39 -> 137.72 |
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 | 29% | 1.80 | CRR | Sun tournament |