Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).

47 place (404.41).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001

p1 = (198.20 * 4.05 * 0.43 + 953.27 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.43 + 4 * 1 + 1 + 1 + 1) = 475.87006615284406

p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.43) / max_coefficients = 332.94542880002945

score = 475.87006615284406 * 0.5 + 332.94542880002945 * 0.5 = 404.4077474764367

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 48 -> 47 396.78 -> 404.41
2023-12-19 49 -> 48 396.78
2023-12-12 51 -> 49 385.63 -> 396.78

Moscow Riichi 2022: 57% -> 43%
2023-11-28 49 -> 51 406.81 -> 385.63

Saint Petersburg Open 2021: 14% -> 0%
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 43% 4.05 RR Moscow Riichi 2022 Moscow
3 173 2021-11-28 63/76 0% 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