Zayakin Vladimir

From Perm, Russia

EMA: 15020030

Player page

Common russian riichi rating (CRR)

Rating date May 12, 2025 (latest changes May 12, 2025).

268 place (25.80).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (413.79 * 3.75 * 0.14 + 9.35 * 4.60 * 0.86 + 0 + 0 + 0) / (3.75 * 0.14 + 4.60 * 0.86 + 1 + 1 + 1) = 34.577627837537705

p2 = (413.79 * 3.75 * 0.14 + 9.35 * 4.60 * 0.86) / max_coefficients = 17.020719215726544

score = 34.577627837537705 * 0.5 + 17.020719215726544 * 0.5 = 25.799173526632124

Rating changes

Show

all results
Date Place Points Reason
2025-05-12 268 24.62 -> 25.80

X Russian Championship: 100% -> 86%
2025-05-03 262 -> 268 24.62
2025-05-01 269 -> 262 24.62
2025-04-27 264 -> 269 24.62
2025-04-26 262 -> 264 24.62
2025-04-22 266 -> 262 24.62
2025-04-13 262 -> 266 24.62
2025-04-11 258 -> 262 43.38 -> 24.62

Money can not buy tenpai: 29% -> 14%
2025-03-29 251 -> 258 43.38
2025-03-23 238 -> 251 43.38

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 9 2024-05-12 107/108 86% 4.60 RR X Russian Championship Perm
2 414 2023-06-11 52/88 14% 3.75 RR Money can not buy tenpai Perm
3 707 2022-11-06 23/76 0% 4.20 RR IX Russian Riichi Championship Perm
4 159 2019-11-04 54/64 0% 3.85 EMA Aki Shanten 2019 Perm
5 277 2019-05-04 61/84 0% 4.20 EMA Haru Shanten 2019 Perm
6 462 2018-11-18 50/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
7 1000 2018-08-11 🥇 1/28 0% 1.70 RR Natsu Shanten 2018 Perm
8 1000 2018-05-01 🥇 1/72 0% 3.85 EMA Haru Shanten 2018 Perm
9 444 2018-02-17 16/28 0% 1.70 RR Fuyu Shanten Perm
10 239 2017-11-12 55/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
11 0 2017-06-03 32/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
12 963 2017-03-25 🥈 2/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
13 775 2016-12-04 17/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
14 184 2016-09-11 72/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow