Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Internal rating (RR)

Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).

57 place (522.41).

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

p1 = (953.27 * 4 * 0.57 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 830.51 * 3.25 * 1 + 0) / (4 * 0.57 + 2.10 * 1 + 3.85 * 1 + 3.25 * 1 + 1) = 584.4364708143781

p2 = (830.51 * 3.25 * 1 + 953.27 * 4 * 0.57 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / max_coefficients = 460.3810725552051

score = 584.4364708143781 * 0.5 + 460.3810725552051 * 0.5 = 522.4087716847916

Rating changes

Show

all results
Date Place Points Reason
2025-02-16 93 -> 57 369.65 -> 522.41

White Wolf Cup: 0% -> 100%
2025-02-11 95 -> 93 369.65
2025-02-02 94 -> 95 369.65
2025-01-26 93 -> 94 369.65
2025-01-07 91 -> 93 369.65
2025-01-03 82 -> 91 400.17 -> 369.65

SPB Riichi Open 2023: 71% -> 57%
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 831 2025-02-16 11/60 100% 3.25 RR White Wolf Cup
2 95 2024-09-01 87/96 100% 3.85 RR SPB Riichi Open 2024
3 978 2024-03-30 2/47 100% 2.10 RR Seihoku spring tournament 2024
4 953 2023-09-03 6/108 57% 4.00 RR SPB Riichi Open 2023
5 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022
6 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021
7 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
8 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019