Sednev Alexandr

From Yekaterinburg, Russia

EMA: 15020049

Player page

Internal rating (RR)

Rating date April 19, 2019 (latest changes April 19, 2019).

115 place (388.50).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (782.61 * 2.20 * 0.29 + 436.62 * 3.25 * 0.57 + 464.79 * 3.85 * 1 + 54.95 * 3.80 * 1 + 363.64 * 3 * 1 + 842.11 * 2.10 * 1) / (2.20 * 0.29 + 3.25 * 0.57 + 3.85 * 1 + 3.80 * 1 + 3 * 1 + 2.10 * 1) = 404.3348501764618

p2 = (464.79 * 3.85 * 1 + 842.11 * 2.10 * 1 + 363.64 * 3 * 1 + 436.62 * 3.25 * 0.57) / max_coefficients = 372.6682593856656

score = 404.3348501764618 * 0.5 + 372.6682593856656 * 0.5 = 388.5015547810637

Rating changes

Show

Date Place Points Reason
2019-04-16 116 -> 115 388.50
2019-04-11 118 -> 116 388.50
2019-04-01 119 -> 118 388.50
2019-03-30 117 -> 119 392.33 -> 388.50

Summer EMA rules tournament 2017: 43% -> 29%

2019-03-25 118 -> 117 391.04 -> 392.33

"Spring shanten" tournament, Perm 2017: 14% -> 0%

2019-03-17 148 -> 118 322.62 -> 391.04

Spring hope: 0% -> 100%

2019-03-12 141 -> 148 331.08 -> 322.62

Perm Riichi 2017 Aki Shanten: 71% -> 57%

2019-03-11 142 -> 141 331.08
2019-03-09 140 -> 142 331.08
2019-03-05 141 -> 140 331.08

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 842 2019-03-17 4/20 100% 2.10 RR Spring hope
2 364 2019-01-05 36/56 100% 3.00 EMA Snow Dragon
3 55 2018-11-18 87/92 100% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
4 465 2018-05-01 39/72 100% 3.85 EMA Haru Shanten 2018
5 437 2017-11-12 41/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
6 783 2017-07-30 6/24 29% 2.20 RR Summer EMA rules tournament 2017
7 222 2017-03-25 22/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
8 217 2017-01-29 19/24 0% 2.20 RR The first tournament of 2017
9 87 2015-12-05 22/24 0% 1.80 RR 4 riichi mahjong tournament 2015
10 67 2015-08-29 15/16 0% 1.60 RR 3 riichi mahjong tournament 2015
11 733 2015-05-16 5/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
12 741 2015-02-22 8/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
13 842 2014-10-25 4/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
14 632 2014-06-08 8/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017