Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Dec. 26, 2024 (latest changes Dec. 11, 2024).

82 place (400.17).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 0 + 0) / (4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 475.8660892738174

p2 = (953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / max_coefficients = 324.4656151419558

score = 475.8660892738174 * 0.5 + 324.4656151419558 * 0.5 = 400.1658522078866

Rating changes

Show

Date Place Points Reason
2024-12-11 83 -> 82 400.17
2024-11-06 85 -> 83 400.17
2024-11-03 74 -> 85 429.33 -> 400.17

SPB Riichi Open 2023: 86% -> 71%

2024-10-13 68 -> 74 433.04 -> 429.33
2024-10-11 70 -> 68 433.04
2024-09-06 71 -> 70 433.04
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

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 71% 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