Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Nov. 7, 2023 (latest changes Nov. 7, 2023).

49 place (406.81).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (173.33 * 3.45 * 0.14 + 198.20 * 4.05 * 0.57 + 953.27 * 4 * 1 + 0 + 0) / (3.45 * 0.14 + 4.05 * 0.57 + 4 * 1 + 1 + 1) = 494.7318521546352

p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.57 + 173.33 * 3.45 * 0.14) / max_coefficients = 318.88123454422896

score = 494.7318521546352 * 0.5 + 318.88123454422896 * 0.5 = 406.8065433494321

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 141 -> 49 64.46 -> 406.81
2021-02-01 227 -> 141 65.65 -> 64.46
2020-02-01 227 65.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 953 2023-09-03 6/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 198 2022-06-12 90/112 57% 4.05 RR Moscow Riichi 2022 Moscow
3 173 2021-11-28 63/76 14% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
4 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg