Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date March 29, 2024 (latest changes March 20, 2024).

49 place (400.91).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (198.20 * 4.05 * 0.29 + 953.27 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.29 + 4 * 1 + 1 + 1 + 1) = 495.5704151666925

p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.29) / max_coefficients = 306.245965872417

score = 495.5704151666925 * 0.5 + 306.245965872417 * 0.5 = 400.90819051955475

Rating changes

Show

Date Place Points Reason
2024-03-20 55 -> 49 400.91
2024-03-10 47 -> 55 426.54 -> 400.91
2024-03-06 47 417.53 -> 426.54
2024-02-12 48 -> 47 404.41 -> 417.53

Moscow Riichi 2022: 43% -> 29%

2024-01-06 49 -> 48 396.78 -> 404.41
2023-12-19 50 -> 49 396.78
2023-12-12 52 -> 50 385.63 -> 396.78

Moscow Riichi 2022: 57% -> 43%

2023-11-28 50 -> 52 406.81 -> 385.63

Saint Petersburg Open 2021: 14% -> 0%

2023-11-06 54 -> 50 400.10 -> 406.81
2023-10-19 55 -> 54 400.10

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 953 2023-09-03 6/108 100% 4.00 RR SPB Riichi Open 2023
2 198 2022-06-12 90/112 29% 4.05 RR Moscow Riichi 2022
3 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021
4 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
5 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019