Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date June 9, 2024 (latest changes June 9, 2024).

35 place (538.87).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (198.20 * 4.05 * 0.14 + 953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 0 + 0) / (4.05 * 0.14 + 4 * 1 + 2.10 * 1 + 1 + 1) = 689.2862965785952

p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 198.20 * 4.05 * 0.14) / max_coefficients = 388.4506493506494

score = 689.2862965785952 * 0.5 + 388.4506493506494 * 0.5 = 538.8684729646222

Rating changes

Show

Date Place Points Reason
2024-06-09 30 -> 35 538.87
2024-05-12 15 -> 30 576.51 -> 538.87
2024-05-06 15 571.24 -> 576.51
2024-04-12 16 -> 15 560.24 -> 571.24

Moscow Riichi 2022: 29% -> 14%

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

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 14% 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