Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

66 place (384.18).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (173.33 * 3.45 * 0.29 + 198.20 * 4.05 * 0.71 + 953.27 * 4 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4 * 1 + 1 + 1) = 461.33148691411117

p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.71 + 173.33 * 3.45 * 0.29) / max_coefficients = 307.0353768110914

score = 461.33148691411117 * 0.5 + 307.0353768110914 * 0.5 = 384.1834318626013

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 68 -> 66 384.18
2023-09-03 114 -> 68 83.07 -> 384.18

SPB Riichi Open 2023: 0% -> 100%
2023-08-12 114 89.58 -> 83.07

Moscow Riichi 2022: 86% -> 71%
2023-07-28 114 94.57 -> 89.58

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 114 93.31 -> 94.57
2023-06-19 115 -> 114 93.31
2023-06-12 113 -> 115 98.60 -> 93.31

Moscow Riichi 2022: 100% -> 86%
2023-06-11 95 -> 113 104.37 -> 98.60
2023-05-28 96 -> 95 108.41 -> 104.37

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 96 106.71 -> 108.41

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 71% 4.05 RR Moscow Riichi 2022
3 173 2021-11-28 63/76 29% 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