Lepekhin Mikhail
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).
153 place (168.31).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (608.70 * 1.40 * 1 + 641.03 * 1.80 * 0.86 + 9.35 * 4 * 1 + 0 + 0) / (1.40 * 1 + 1.80 * 0.86 + 4 * 1 + 1 + 1) = 210.05884076316318
p2 = (641.03 * 1.80 * 0.86 + 608.70 * 1.40 * 1 + 9.35 * 4 * 1) / max_coefficients = 126.55937192930097
score = 210.05884076316318 * 0.5 + 126.55937192930097 * 0.5 = 168.30910634623206
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-28 | 154 -> 153 | 168.31 | |
2023-09-09 | 155 -> 154 | 168.31 | |
2023-09-06 | 157 -> 155 | 168.31 | |
2023-09-05 | 156 -> 157 | 168.31 | |
2023-09-03 | 122 -> 156 | 222.38 -> 168.31 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 113 -> 122 | 235.29 -> 222.38 |
Sun tournament: 100% -> 86% |
2023-08-26 | 110 -> 113 | 235.29 | |
2023-08-19 | 113 -> 110 | 235.29 | |
2023-08-12 | 116 -> 113 | 232.30 -> 235.29 | |
2023-07-20 | 117 -> 116 | 232.30 |
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 | 100% | 1.40 | CRR | Fire cup 2023 |
3 | 641 |
|
15/40 | 86% | 1.80 | CRR | Sun tournament |