Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

97 place (107.89).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335

p1 = (173.33 * 3.45 * 0.71 + 198.20 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 1 + 1 + 1) = 129.26284390869148

p2 = (198.20 * 4.05 * 1 + 173.33 * 3.45 * 0.71) / max_coefficients = 86.52181055251617

score = 129.26284390869148 * 0.5 + 86.52181055251617 * 0.5 = 107.89232723060383

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 97 107.31 -> 107.89
2023-01-28 97 110.43 -> 107.31

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 97 110.00 -> 110.43
2022-11-28 97 112.78 -> 110.00

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 75 -> 97 115.68 -> 112.78
2022-06-12 145 -> 75 64.46 -> 115.68

Moscow Riichi 2022: 0% -> 100%
2021-02-01 230 -> 145 65.65 -> 64.46
2020-02-01 230 65.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 198 2022-06-12 90/112 100% 4.05 RR Moscow Riichi 2022
2 173 2021-11-28 63/76 71% 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