Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Common russian riichi rating (CRR)

Rating date June 15, 2025 (latest changes June 15, 2025).

64 place (539.85).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (830.51 * 3.25 * 1 + 953.27 * 4 * 0.29 + 978.26 * 2.10 * 0.71 + 94.74 * 3.85 * 1 + 888.89 * 2 * 1) / (3.25 * 1 + 4 * 0.29 + 2.10 * 0.71 + 3.85 * 1 + 2 * 1) = 630.0431837981134

p2 = (830.51 * 3.25 * 1 + 888.89 * 2 * 1 + 978.26 * 2.10 * 0.71 + 953.27 * 4 * 0.29) / max_coefficients = 449.65178556588205

score = 630.0431837981134 * 0.5 + 449.65178556588205 * 0.5 = 539.8474846819977

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 61 -> 64 546.51 -> 539.85
2025-06-14 90 -> 61 446.58 -> 546.51

Tonpu-master: 0% -> 100%
2025-06-11 92 -> 90 446.58
2025-05-30 88 -> 92 462.42 -> 446.58

Seihoku spring tournament 2024: 86% -> 71%
2025-05-12 90 -> 88 454.35 -> 462.42
2025-05-03 76 -> 90 481.81 -> 454.35

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 75 -> 76 481.81
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 889 2025-06-14 3/19 100% 2.00 CRR Tonpu-master Saint Petersburg
2 831 2025-02-16 11/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 95 2024-09-01 87/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 978 2024-03-30 2/47 71% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 953 2023-09-03 6/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 696 2023-04-22 8/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
7 774 2023-02-25 8/32 0% 1.80 CRR Earth cup Saint Petersburg
8 795 2022-08-27 9/40 0% 1.80 CRR Sun tournament Saint Petersburg
9 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022 Moscow
10 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
11 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
12 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg