Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date June 12, 2023 (latest changes June 12, 2023).

115 place (93.31).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

p1 = (173.33 * 3.45 * 0.43 + 198.20 * 4.05 * 0.86 + 0 + 0 + 0) / (3.45 * 0.43 + 4.05 * 0.86 + 1 + 1 + 1) = 118.78099478925903

p2 = (198.20 * 4.05 * 0.86 + 173.33 * 3.45 * 0.43) / max_coefficients = 67.83128449523949

score = 118.78099478925903 * 0.5 + 67.83128449523949 * 0.5 = 93.30613964224926

Rating changes

Show

all results
Date Place Points Reason
2023-06-12 113 -> 115 98.60 -> 93.31

Moscow Riichi 2022: 100% -> 86%
2023-06-11 95 -> 113 104.37 -> 98.60
2023-05-28 96 -> 95 108.41 -> 104.37

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 96 106.71 -> 108.41
2023-04-19 96 105.93 -> 106.71
2023-03-28 96 109.47 -> 105.93

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 96 107.89 -> 109.47
2023-02-19 96 107.31 -> 107.89
2023-01-28 96 110.43 -> 107.31

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 96 110.00 -> 110.43

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 198 2022-06-12 90/112 86% 4.05 RR Moscow Riichi 2022
2 173 2021-11-28 63/76 43% 3.45 RR Saint Petersburg Open 2021
3 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
4 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019