Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).
61 place (388.86).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (173.33 * 3.45 * 0.14 + 198.20 * 4.05 * 0.71 + 953.27 * 4 * 1 + 0 + 0) / (3.45 * 0.14 + 4.05 * 0.71 + 4 * 1 + 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
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 | 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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 198 |
|
90/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
3 | 173 |
|
63/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |
4 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
5 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |