Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date March 30, 2024 (latest changes March 30, 2024).

16 place (560.24).

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 + 978.26 * 2.10 * 1 + 0 + 0) / (4.05 * 0.29 + 4 * 1 + 2.10 * 1 + 1 + 1) = 658.6047335635354

p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 198.20 * 4.05 * 0.29) / max_coefficients = 461.8799564844529

score = 658.6047335635354 * 0.5 + 461.8799564844529 * 0.5 = 560.2423450239942

Rating changes

Show

Date Place Points Reason
2024-03-30 49 -> 16 400.91 -> 560.24

Seihoku spring tournament 2024: 0% -> 100%

2024-03-20 54 -> 49 400.91
2024-03-10 46 -> 54 426.54 -> 400.91
2024-03-06 46 417.53 -> 426.54
2024-02-12 47 -> 46 404.41 -> 417.53

Moscow Riichi 2022: 43% -> 29%

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 53 -> 49 400.10 -> 406.81

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 978 2024-03-30 2/47 100% 2.10 RR Seihoku spring tournament 2024
2 953 2023-09-03 6/108 100% 4.00 RR SPB Riichi Open 2023
3 198 2022-06-12 90/112 29% 4.05 RR Moscow Riichi 2022
4 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021
5 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
6 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019