Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date July 28, 2023 (latest changes July 28, 2023).

115 place (89.58).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (173.33 * 3.45 * 0.29 + 198.20 * 4.05 * 0.86 + 0 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.86 + 1 + 1 + 1) = 115.17489794714172

p2 = (198.20 * 4.05 * 0.86 + 173.33 * 3.45 * 0.29) / max_coefficients = 63.99225700023582

score = 115.17489794714172 * 0.5 + 63.99225700023582 * 0.5 = 89.58357747368876

Rating changes

Show

all results
Date Place Points Reason
2023-07-28 115 94.57 -> 89.58

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 115 93.31 -> 94.57
2023-06-19 116 -> 115 93.31
2023-06-12 114 -> 116 98.60 -> 93.31

Moscow Riichi 2022: 100% -> 86%
2023-06-11 95 -> 114 104.37 -> 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
2023-05-05 144 -> 96 64.46 -> 106.71
2021-02-01 230 -> 144 65.65 -> 64.46
2020-02-01 230 65.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 198 2022-06-12 90/112 86% 4.05 RR Moscow Riichi 2022 Moscow
2 173 2021-11-28 63/76 29% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
3 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
4 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg