Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Common russian riichi rating (CRR)

Rating date Jan. 5, 2025 (latest changes Jan. 5, 2025).

77 place (439.18).

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

p1 = (774.19 * 1.80 * 0.14 + 695.65 * 1.40 * 0.29 + 953.27 * 4 * 0.57 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / (1.80 * 0.14 + 1.40 * 0.29 + 4 * 0.57 + 2.10 * 1 + 3.85 * 1) = 570.7178841309824

p2 = (953.27 * 4 * 0.57 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 695.65 * 1.40 * 0.29) / max_coefficients = 307.64290220820186

score = 570.7178841309824 * 0.5 + 307.64290220820186 * 0.5 = 439.1803931695921

Rating changes

Show

all results
Date Place Points Reason
2025-01-05 78 -> 77 439.18
2025-01-03 74 -> 78 467.92 -> 439.18

SPB Riichi Open 2023: 71% -> 57%
2024-12-25 69 -> 74 474.09 -> 467.92

Earth cup: 29% -> 14%
2024-12-22 69 476.73 -> 474.09

Fire cup 2023: 43% -> 29%
2024-12-11 70 -> 69 476.73
2024-11-05 71 -> 70 476.73
2024-11-03 65 -> 71 503.51 -> 476.73

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 67 -> 65 503.51
2024-10-25 64 -> 67 511.63 -> 503.51

Earth cup: 43% -> 29%
2024-10-22 62 -> 64 516.68 -> 511.63

Fire cup 2023: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 95 2024-09-01 87/96 100% 3.85 RR SPB Riichi Open 2024
2 978 2024-03-30 2/47 100% 2.10 RR Seihoku spring tournament 2024
3 953 2023-09-03 6/108 57% 4.00 RR SPB Riichi Open 2023
4 696 2023-04-22 8/24 29% 1.40 CRR Fire cup 2023
5 774 2023-02-25 8/32 14% 1.80 CRR Earth cup
6 795 2022-08-27 9/40 0% 1.80 CRR Sun tournament
7 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022
8 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021
9 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019
10 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019