Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Common russian riichi rating (CRR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

54 place (592.59).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (830.51 * 3.25 * 0.29 + 888.89 * 2 * 0.57 + 610.39 * 3.45 * 0.71 + 932.43 * 3.40 * 1 + 966.67 * 1.70 * 1 + 612.90 * 1.80 * 1 + 408.45 * 3.40 * 1 + 457.14 * 1.90 * 1) / (3.25 * 0.29 + 2 * 0.57 + 3.45 * 0.71 + 3.40 * 1 + 1.70 * 1 + 1.80 * 1 + 3.40 * 1 + 1.90 * 1) = 685.0820344103549

p2 = (932.43 * 3.40 * 1 + 966.67 * 1.70 * 1 + 610.39 * 3.45 * 0.71 + 408.45 * 3.40 * 1) / max_coefficients = 500.0992861778067

score = 685.0820344103549 * 0.5 + 500.0992861778067 * 0.5 = 592.5906602940809

Rating changes

Show

all results
Date Place Points Reason
2026-11-01 55 -> 54 592.59
2026-10-31 44 -> 55 615.27 -> 592.59

Seihoku autumn tournament 2026: 0% -> 100%

SPB Riichi Open 2025: 86% -> 71%
2026-10-24 43 -> 44 615.27
2026-10-16 43 617.03 -> 615.27

White Wolf Cup: 43% -> 29%
2026-10-15 45 -> 43 617.03
2026-10-14 45 618.58 -> 617.03

Tonpu-master: 71% -> 57%
2026-10-13 44 -> 45 618.58
2026-10-02 45 -> 44 618.58
2026-09-07 46 -> 45 618.58
2026-09-06 34 -> 46 656.17 -> 618.58

Sunset Wolf Cup 2026: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 457 2026-10-31 20/36 100% 1.90 RR Seihoku autumn tournament 2026 Saint Petersburg
2 408 2026-09-06 43/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
3 613 2026-07-25 13/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
4 967 2026-04-11 🥈 2/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
5 932 2026-02-23 6/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
6 610 2025-08-31 31/78 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
7 889 2025-06-14 🥉 3/19 57% 2.00 CRR Tonpu-master Saint Petersburg
8 831 2025-02-16 11/60 29% 3.25 RR White Wolf Cup Saint Petersburg
9 95 2024-09-01 87/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
10 978 2024-03-30 🥈 2/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
11 953 2023-09-03 6/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
12 696 2023-04-22 8/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
13 774 2023-02-25 8/32 0% 1.80 CRR Earth cup Saint Petersburg
14 795 2022-08-27 9/40 0% 1.80 CRR Sun tournament Saint Petersburg
15 198 2022-06-12 90/112 0% 4.05 RR Moscow Riichi 2022 Moscow
16 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
17 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
18 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg