Lepekhin Mikhail

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 3, 2024 (latest changes Jan. 3, 2024).

154 place (146.23).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (641.03 * 1.80 * 0.57 + 608.70 * 1.40 * 1 + 9.35 * 4 * 1 + 0 + 0) / (1.80 * 0.57 + 1.40 * 1 + 4 * 1 + 1 + 1) = 183.7641721203723

p2 = (608.70 * 1.40 * 1 + 641.03 * 1.80 * 0.57 + 9.35 * 4 * 1) / max_coefficients = 108.69330279259668

score = 183.7641721203723 * 0.5 + 108.69330279259668 * 0.5 = 146.2287374564845

Rating changes

Show

all results
Date Place Points Reason
2023-12-27 151 -> 154 158.78 -> 146.23

Sun tournament: 71% -> 57%
2023-12-19 157 -> 151 158.78
2023-12-12 159 -> 157 158.78
2023-11-28 166 -> 159 158.78
2023-11-26 159 -> 166 159.21 -> 158.78
2023-11-06 159 159.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 9 2023-09-03 107/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 609 2023-04-22 10/24 100% 1.40 CRR Fire cup 2023 Saint Petersburg
3 641 2022-08-27 15/40 57% 1.80 CRR Sun tournament Saint Petersburg