Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Common russian riichi rating (CRR)

Rating date April 22, 2025 (latest changes April 22, 2025).

75 place (481.81).

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

p1 = (953.27 * 4 * 0.43 + 978.26 * 2.10 * 0.86 + 94.74 * 3.85 * 1 + 830.51 * 3.25 * 1 + 0) / (4 * 0.43 + 2.10 * 0.86 + 3.85 * 1 + 3.25 * 1 + 1) = 556.120854359837

p2 = (830.51 * 3.25 * 1 + 978.26 * 2.10 * 0.86 + 953.27 * 4 * 0.43 + 94.74 * 3.85 * 1) / max_coefficients = 407.50536277602527

score = 556.120854359837 * 0.5 + 407.50536277602527 * 0.5 = 481.8131085679312

Rating changes

Show

all results
Date Place Points Reason
2025-04-22 67 -> 75 508.82 -> 481.81

Fire cup 2023: 14% -> 0%
2025-04-13 66 -> 67 508.82
2025-04-11 67 -> 66 508.82
2025-03-30 63 -> 67 523.05 -> 508.82

Seihoku spring tournament 2024: 100% -> 86%
2025-03-10 64 -> 63 523.05
2025-03-03 61 -> 64 548.37 -> 523.05

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 57 -> 61 548.37
2025-02-25 58 -> 57 549.85 -> 548.37

Earth cup: 14% -> 0%
2025-02-22 58 550.32 -> 549.85

Fire cup 2023: 29% -> 14%
2025-02-16 83 -> 58 439.18 -> 550.32

White Wolf Cup: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 831 2025-02-16 11/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 95 2024-09-01 87/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 978 2024-03-30 2/47 86% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
4 953 2023-09-03 6/108 43% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
5 696 2023-04-22 8/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
6 774 2023-02-25 8/32 0% 1.80 CRR Earth cup Saint Petersburg
7 795 2022-08-27 9/40 0% 1.80 CRR Sun tournament Saint Petersburg
8 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
10 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
11 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg