Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

71 place (433.04).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 0 + 0) / (4 * 0.86 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 499.831259228011

p2 = (953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / max_coefficients = 366.2502253934726

score = 499.831259228011 * 0.5 + 366.2502253934726 * 0.5 = 433.0407423107418

Rating changes

Show

Date Place Points Reason
2024-09-03 66 -> 71 454.31 -> 433.04

SPB Riichi Open 2023: 100% -> 86%

2024-09-01 45 -> 66 514.13 -> 454.31

SPB Riichi Open 2024: 0% -> 100%

2024-08-11 46 -> 45 512.10 -> 514.13
2024-08-04 39 -> 46 519.76 -> 512.10
2024-07-14 35 -> 39 519.76
2024-06-11 35 538.87 -> 519.76
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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 95 2024-09-01 87/96 100% 3.85 RR SPB Riichi Open 2024
2 978 2024-03-30 2/47 100% 2.10 RR Seihoku spring tournament 2024
3 953 2023-09-03 6/108 86% 4.00 RR SPB Riichi Open 2023
4 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022
5 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021
6 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
7 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019