Zarezin Ivan

From Yekaterinburg, Russia

EMA: 15020003

Player page

Internal rating (RR)

Rating date April 25, 2019 (latest changes April 25, 2019).

99 place (427.21).

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

p1 = (740.74 * 2.10 * 0.14 + 260.87 * 2.20 * 0.29 + 366.20 * 3.25 * 0.57 + 478.87 * 3.85 * 1 + 703.70 * 1.70 * 1 + 362.64 * 3.80 * 1 + 472.73 * 3 * 1) / (2.10 * 0.14 + 2.20 * 0.29 + 3.25 * 0.57 + 3.85 * 1 + 1.70 * 1 + 3.80 * 1 + 3 * 1) = 456.03963614452744

p2 = (478.87 * 3.85 * 1 + 472.73 * 3 * 1 + 362.64 * 3.80 * 1 + 703.70 * 1.70 * 1) / max_coefficients = 398.3726962457339

score = 456.03963614452744 * 0.5 + 398.3726962457339 * 0.5 = 427.20616619513066

Rating changes

Show

Date Place Points Reason
2019-04-16 100 -> 99 427.21
2019-04-13 101 -> 100 427.21
2019-04-11 99 -> 101 429.97 -> 427.21

Tyumen Mahjong Tournament (TMT) 2017: 29% -> 14%

2019-04-03 98 -> 99 429.97
2019-04-01 99 -> 98 429.97
2019-03-30 101 -> 99 427.97 -> 429.97

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

2019-03-25 102 -> 101 425.64 -> 427.97

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

2019-03-18 103 -> 102 425.64
2019-03-17 101 -> 103 425.64
2019-03-12 102 -> 101 424.42 -> 425.64

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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 473 2019-01-05 30/56 100% 3.00 EMA Snow Dragon
2 363 2018-11-18 59/92 100% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
3 704 2018-08-11 9/28 100% 1.70 RR Natsu Shanten 2018
4 479 2018-05-01 38/72 100% 3.85 EMA Haru Shanten 2018
5 366 2017-11-12 46/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
6 261 2017-07-30 18/24 29% 2.20 RR Summer EMA rules tournament 2017
7 741 2017-06-11 8/28 14% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
8 111 2017-03-25 25/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
9 696 2017-01-29 8/24 0% 2.20 RR The first tournament of 2017
10 543 2017-01-05 17/36 0% 2.50 RR Quick discard 2017
11 600 2016-07-17 7/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
12 484 2016-05-03 17/32 0% 2.40 RR Siberia Cup 2016
13 384 2016-03-13 62/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
14 947 2016-02-07 2/20 0% 1.70 RR "Tiles, doras, 2 renchans"
15 478 2015-12-05 13/24 0% 1.80 RR 4 riichi mahjong tournament 2015
16 667 2015-10-18 18/52 0% 2.90 EMA Russian Open Riichi Championship 2015
17 421 2015-09-27 12/20 0% 1.70 RR Plitochka
18 1000 2015-08-29 1/16 0% 1.60 RR 3 riichi mahjong tournament 2015
19 333 2015-05-16 11/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
20 889 2015-02-22 4/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
21 895 2014-10-25 3/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
22 158 2014-06-08 17/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017