Vakhonin Stepan

From Saint Petersburg, Russia

EMA: 15990444

Player page

Common russian riichi rating (CRR)

Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).

13 place (624.76).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (198.20 * 4.05 * 0.43 + 794.87 * 1.80 * 0.57 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1 + 953.27 * 4 * 1) / (4.05 * 0.43 + 1.80 * 0.57 + 1.80 * 1 + 1.40 * 1 + 4 * 1) = 736.8388304304847

p2 = (953.27 * 4 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1 + 794.87 * 1.80 * 0.57) / max_coefficients = 512.6775999519415

score = 736.8388304304847 * 0.5 + 512.6775999519415 * 0.5 = 624.7582151912131

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 14 -> 13 613.97 -> 624.76
2023-12-27 12 -> 14 621.87 -> 613.97

Sun tournament: 71% -> 57%
2023-12-19 13 -> 12 621.87
2023-12-18 15 -> 13 621.87
2023-12-12 20 -> 15 607.41 -> 621.87

Moscow Riichi 2022: 57% -> 43%
2023-11-28 20 595.71 -> 607.41

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 17 -> 20 597.50 -> 595.71
2023-11-20 18 -> 17 597.50
2023-11-06 167 -> 18 64.46 -> 597.50
2021-02-01 263 -> 167 65.65 -> 64.46

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 953 2023-09-03 6/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 696 2023-04-22 8/24 100% 1.40 CRR Fire cup 2023 Saint Petersburg
3 774 2023-02-25 8/32 100% 1.80 CRR Earth cup Saint Petersburg
4 795 2022-08-27 9/40 57% 1.80 CRR Sun tournament Saint Petersburg
5 198 2022-06-12 90/112 43% 4.05 RR Moscow Riichi 2022 Moscow
6 173 2021-11-28 63/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
7 222 2019-11-24 50/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
8 0 2019-06-02 40/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg