Zayakin Vladimir

From Perm, Russia

EMA: 15020030

Player page

Internal rating (RR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

58 place (354.35).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (706.67 * 4.20 * 0.86 + 413.79 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 0.86 + 3.75 * 1 + 1 + 1 + 1) = 395.71606076240937

p2 = (706.67 * 4.20 * 0.86 + 413.79 * 3.75 * 1) / max_coefficients = 312.9833061406961

score = 395.71606076240937 * 0.5 + 312.9833061406961 * 0.5 = 354.3496834515527

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 64 -> 58 347.73 -> 354.35
2023-11-28 66 -> 64 347.73
2023-11-20 69 -> 66 347.73
2023-11-06 133 -> 69 88.51 -> 347.73

IX Russian Riichi Championship: 100% -> 86%
2021-02-01 115 -> 133 343.37 -> 88.51
2020-02-01 115 343.37

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 414 2023-06-11 52/88 100% 3.75 RR Money can not buy tenpai Perm
2 707 2022-11-06 23/76 86% 4.20 RR IX Russian Riichi Championship Perm
3 159 2019-11-04 54/64 0% 3.85 EMA Aki Shanten 2019 Perm
4 277 2019-05-04 61/84 0% 4.20 EMA Haru Shanten 2019 Perm
5 462 2018-11-18 50/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
6 1000 2018-08-11 🥇 1/28 0% 1.70 RR Natsu Shanten 2018 Perm
7 1000 2018-05-01 🥇 1/72 0% 3.85 EMA Haru Shanten 2018 Perm
8 444 2018-02-17 16/28 0% 1.70 RR Fuyu Shanten Perm
9 239 2017-11-12 55/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
10 0 2017-06-03 32/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
11 963 2017-03-25 🥈 2/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
12 775 2016-12-04 17/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
13 184 2016-09-11 72/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow