Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Oct. 4, 2023 (latest changes Oct. 4, 2023).

61 place (388.86).

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

p1 = (198.20 * 4.05 * 0.71 + 953.27 * 4 * 1 + 173.33 * 3.45 * 0.14 + 0 + 0) / (4.05 * 0.71 + 4 * 1 + 3.45 * 0.14 + 1 + 1) = 476.44770038525786

p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.71 + 173.33 * 3.45 * 0.14) / max_coefficients = 301.28178999879736

score = 476.44770038525786 * 0.5 + 301.28178999879736 * 0.5 = 388.8647451920276

Rating changes

Show

all results
Date Place Points Reason
2023-09-28 66 -> 61 384.18 -> 388.86

Saint Petersburg Open 2021: 29% -> 14%
2023-09-06 68 -> 66 384.18
2023-09-03 115 -> 68 83.07 -> 384.18

SPB Riichi Open 2023: 0% -> 100%
2023-09-01 144 -> 115 64.46 -> 83.07
2021-02-01 230 -> 144 65.65 -> 64.46
2020-02-01 230 65.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 953 2023-09-03 6/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 198 2022-06-12 90/112 71% 4.05 RR Moscow Riichi 2022 Moscow
3 173 2021-11-28 63/76 14% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
4 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg